What is the value of X and Y?

What Is The Value Of X And Y?

Answers

Answer 1

The value of x and y is 31° and 101°.  Value is the measure of what something is worth, either financially or in terms of importance.

What is meant by value?The value describes the value of each digit in relation to its position in the number. The place value and face value of the digit are multiplied to arrive at the answer. Value equals Location Value minus Face Value.Value is concerned with how much something is worth, whether in monetary terms or in terms of significance. It can mean "identify how much something is worth" like a reward valued at $200 or it can indicate "hold something in high esteem" like "I value our friendship."The things that someone values are known as their values. In other terms, values are what a person or a group of people see as "important." Examples include valor, integrity, freedom, and creativity, among others.

[tex]$\angle \mathrm{PRT}+\angle \mathrm{RTP}+\angle \mathrm{TPR}=180^{\circ} \text { (angle sum property of triangle) } \\[/tex]

[tex]& \Rightarrow \mathrm{x}+\left(180^{\circ}-\angle \mathrm{RTQ}\right)+60^{\circ}=180^{\circ} \text { (linear pair) } \\[/tex]

[tex]& \Rightarrow \mathrm{x}+\left(180^{\circ}-97^{\circ}\right)+60^{\circ}=180^{\circ} \\[/tex]

We get,

[tex]& \Rightarrow \mathrm{x}=31^{\circ} \\[/tex]

[tex]& \text { Now } \angle \mathrm{PRT}+\angle \mathrm{TRQ}+\angle \mathrm{QRS}=180^{\circ} \text { (angle of straight line) } \\[/tex]

[tex]& \Rightarrow \mathrm{x}+48^{\circ}+\mathrm{y}=180^{\circ} \\[/tex]

Simplifying,

[tex]& \Rightarrow 31^{\circ}+48^{\circ}+\mathrm{y}=180^{\circ} \\[/tex]

Then we get,

[tex]& \Rightarrow \mathrm{y}=101^{\circ}[/tex]

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Related Questions

Suppose triangle has sides a, b, and c and that a^2+b^2

Answers

The options that are true with respect to the lengths of the sides of the triangle and the included angle between sides a and b are;

The triangle is not a right triangle

cos(θ) < 0

The angle θ is an obtuse angle

What is a triangle?

A triangle is a polygon that has three sides and three interior angles.

The specified sides of the triangle are; a, b, and c

The relationship between the squares of the lengths of the sides, obtained from a similar question is presented as follows; a² + b² < c²

The specified measure of the angle opposite the side c = θ

According to Pythagorean Theorem, a triangle is a right triangle, if in the triangle, we can get; a² + b² = c²

The specified inequality, relating the squares of the lengths of the sides, a² + b² < c², which therefore, indicates;

The triangle is not a right triangle.

According to cosine rule, we get;

c² = a² + b² - 2·a·b·cos(θ)

However; a² + b² < c²

c² - (a² + b²) = -2·a·b·cos(θ)

a² + b² < c²

0 < c² - (a² + b²)

0 < c² - (a² + b²) = -2·a·b·cos(θ)

0 < -2·a·b·cos(θ)

Dividing both sides by -1, the inequality sign is reversed, and we get;

0/(-1) > -2·a·b·cos(θ)/(-1) = 2·a·b·cos(θ)

0 > 2·a·b·cos(θ)

Therefore; 2·a·b·cos(θ) < 0

2·a·b·cos(θ)/(2·a·b) = cos(θ)  < 0/(2·a·b) = 0

cos(θ)  < 0

cos(θ) is therefore, negative, which indicates that θ is in the second quadrant, with the solution, obtained using an online tool which can be expressed as follows;

(π/2) + 2·π·n < θ < (3·π/2) + 2·π·n

Where n = 0, we get;

(π/2) < θ < (3·π/2); The angle θ is therefore larger than π/2 = 90° and less than (3·π/2) = 270°, which in a triangle the maximum angle is 180°, indicating that the angle θ is an obtuse angle.

θ is an obtuse angle

Part of the question includes to select the options that are true from the following;

cos(θ) < 0

The angle θ is an obtuse angle

The specified triangle is a right triangle

The triangle is not a right triangle

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use equation 1.3 to estimate the solar radius r^2 from its luminosity and effective temperature. show that the gravitational acceleration g at the surface is about 30 times larger than that on earth. L=4 phi R^2 SB θ T^4

Answers

The solar radius R² from its luminosity and effective temperature is R ≈ 695586.468 km.

We can find solar radius by direct substitution of values into Eqn 1.3

See the pic below,

Given L = 4πR²σT⁴

where,

L is the Luminosity

R solar radius

T the effective temperature

σ is the Stefan Boltman's constant

From 1 solar radius can be written as,

R² = L/4πσT⁴

L = 3.846 x 10²⁶

R² = 3.846x10²⁶/4x3.14x5.6703x10⁻⁸ x 5780⁴

R ≈ 695586.468 km

Therefore, the solar radius is R ≈ 695586.468 km

g = GM/r²

g = 6.67x10⁻¹¹ x 1.99 x 10³⁰/(6.95x10⁸)²

g = 274.13m/s² about 30 times that of earth.

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ap stats chapter 7 hw multiple choice . for which of the following conditions is not appropriate to assume that the sampling distribution of the sample mean is approximately normal

Answers

To assume that the sampling distribution of the sample mean is approximately normal -  A random sample of 10 taken from a population distribution that is skewed to the right.

There are several conditions that must be met for the sampling distribution of the sample mean to be approximately normal, including:

The sample size should be large (n ≥ 30).The population distribution should be approximately normal or the sample size should be very large.The observations in the sample should be independent of each other.

In these cases, the central limit theorem may not apply and the sampling distribution may not be approximately normal.

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The following question may be like this:

For which conditions is not appropriate to assume that the sampling distribution of the sample mean is approximately normal?

The Nutrition Facts tell us that one serving (2 Kind bars) accounts for 17% of a person’s daily intake of fat for a 2,000 calorie diet. How did they get that number; in other words, how did they calculate that number? Hint: Use the information at the bottom of the label and that “total” fat for daily intake vs “total” fat of Kind bars.

Answers

So, one serving of Kind bars, which is two bars, contributes for roughly 13.8% of a 2,000 calorie diet's daily fat consumption.

What is equation?

An equation is a mathematical statement that shows that two expressions are equal. Equations can be used to represent relationships between variables, or to solve problems. Equations use mathematical symbols, such as the equal sign (=), to show the equality between the two expressions. For example, the equation 2x + 3 = 7 represents the relationship between the variable x and the constants 2 and 3. The equation can be solved for x to find its value. In this case, solving for x would give us x = 2.

Here,

The calculation for determining the percentage of daily fat intake in a serving of Kind bars is based on the Recommended Dietary Allowance (RDA) for fat. The RDA is a guideline for the average daily amount of a nutrient that is considered sufficient to meet the needs of most people.

For a 2,000 calorie diet, the RDA for total fat is about 65 grams per day. To calculate the percentage of daily fat intake in a serving of Kind bars, you divide the total amount of fat in the serving by the RDA for daily fat and multiply by 100.

For example, if one serving of Kind bars contains 9 grams of fat, you would perform the following calculation:

9 grams fat ÷ 65 grams RDA for daily fat x 100 = 13.8% daily fat intake

So, one serving of Kind bars, which is two bars, accounts for approximately 13.8% of a person's daily fat intake for a 2,000 calorie diet.

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Complete the input-output table:
X 3x²+2

Answers

Answer:

Here's the completed input-output table for the function f(x) = 3x²+2:

X f(X)

-2 14

-1 5

0 2

1 5

2 14

Step-by-step explanation:

How do i do this could someone teach me

Answers

The area of the given figure will be 145.13 m².


What is an area?

The area of a rectangle is calculated as length multiplied by width, while the area of a semi-circle is half the area of a circle with the same radius. We can calculate the combined area of the rectangle and semi-circle as follows:

Area of rectangle = length x width = 15 m x 8 m = 120 m^2

Area of semi-circle = 1/2 x pi x radius^2 = 1/2 x pi x 4^2 = 8 pi m^2

To find the total combined area, we add the area of the rectangle to the area of the semi-circle:

Total combined area = Area of rectangle + Area of the semi-circle

= 120 m² + 8π m²

= 120 m² + 25.13 m² (using π= 3.14159)

= 145.13 m

Therefore, the combined area of the rectangle and semi-circle is 145.13 square meters (rounded to two decimal places).

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A recent survey indicated that the mean time spent on a music streaming service is 210 minutes per week for the population of a certain country. A simulation was conducted to create a sampling distribution of the sample mean for a population with a mean of 210. The following histogram shows the results of the simulation.Which of the following would be the best reason why the simulation of the sampling distribution is not approximately normal?

Answers

The population size varies in several ways. The sample size was insufficient, which is the best explanation for why the simulation of the sampling distribution is not roughly normal.

A person's or a researcher's choice of sample size will limit the study's statistical power if it is too small or inadequate for the alpha level and the analyses they have decided to do.

Because of the aforementioned, it is much harder to determine from one's sample whether a statistical effect is existent in the population.

A sample size that is either too small or too large can affect the ability to extrapolate the results, with the latter increasing the detection of differences and accentuating statistical differences that are not clinically significant.

The complete question is:-

A recent survey indicated that the mean time spent on a music streaming service is 210 minutes per week for the population of a certain country. A simulation was conducted to create a sampling distribution of the sample mean for a population with a mean of 210. The following histogram shows the results of the simulation.Which of the following would be the best reason why the simulation of the sampling distribution is not approximately normal?

A. The samples were not selected at random.

B . The sample size was not sufficiently large.

C. The population distribution was approximately normal.

D. The samples were selected without replacement.

E. The sample means were less than the population mean.

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in a lab experiment, a population of 200 bacteria is able to quadruple every hour. Which equation matches the number of bacteria in the population after 2 hours?

Answers

The equation that gives the number of bacteria in the population after 2 hours is -

P{ 2 }  = 260 + (1/4 x 260)

What is exponential function?

The exponential function is given by -

y = eˣ

Given is that in a lab experiment, a population of 200 bacteria is able to quadruple every hour.

The population of the bacteria after the first hour is -

P{ 1 }  = 200 + (1/4 x 200) = 200 + 60 = 260 bacterias.

The population of the bacteria after the second hour is -

P{ 2 }  = 260 + (1/4 x 260) = 260 + 65 = 325 bacterias

After the second hour, the population of the bacteria would be -

P{ 2 }  = 260 + (1/4 x 260)

Therefore, the equation that gives the number of bacteria in the population after 2 hours is -

P{ 2 }  = 260 + (1/4 x 260)

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the sum of the digits of a certain two-digit number is7. reversing its digits increase the number by 9. what is the number?

Answers

Answer: the number is 12.

Step-by-step explanation:

Let's call the two-digit number "x". We know that the sum of its digits is 7, so we can represent the number as 10a + b, where a and b are the digits of the number and a is the tens digit and b is the units digit.

The statement that "reversing its digits increases the number by 9" means that the number obtained by reversing the digits is x + 9. We can represent this reversed number as 10b + a.

So, we have two equations:

10a + b = x

10b + a = x + 9

Now, we can substitute the value of x from the first equation into the second equation:

10b + a = 10a + b + 9

Expanding both sides, we get:

10b + a = 10a + b + 9

9b = 9a + 9

b = a + 1

We know that 0 < a < 9, since the number is a two-digit number. So, we can conclude that 0 < b < 10.

We can now substitute the value of b into the first equation:

10a + (a + 1) = x

11a + 1 = x

11a = x - 1

a = (x - 1) / 11

Since a is the tens digit of the number, it must be an integer. We can test different values of x to find the value that satisfies this condition.

If x = 20, then a = (20 - 1) / 11 = 1. This gives us b = a + 1 = 2. The original number is 10a + b = 10 + 2 = 12, which satisfies all the conditions.

So, the number is 12.

John the Farmer filled a barrel with water. But there was a crack in the bottom of the
barrel, and the water steadily leaked out. After the barrel was full, 20% of the water
leaked out in the first hour. the first hour, What percent of the remaining water leaked
out in the second hour?

Answers

Using percentages we know that the water that will drain in the 2nd hour will be 25% of the remaining water.

What are percentages?

A % is a quantity or ratio that, in mathematics, represents a portion of one hundred.

A dimensionless relationship between two numbers can be represented in a variety of ways, such as through ratios, fractions, and decimals.

The symbol "%" is frequently written after the number to indicate percentages.

Convert both percentages to fractions of 100 or decimals, multiply them, then use the result to calculate the percentage of the %.

Calculating 50% of 40%, for instance, yields (50/100) x (40/100) = 0.50 x 0.40 = 0.20, which equals 20/100 or 20%.

NOTE: Using the percent sign and a division by 100 at the same time is improper.

So, in the first hour:

The drained water is 20%.

Remaining left: 80%

Then, 20% of 80 would be:

20/80 * 100 = 25%

Therefore, using percentages we know that the water that will drain in the 2nd hour will be 25% of the remaining water.

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I need help please i dont understand this

Answers

The height of the building is given as follows:

205 feet.

What are the trigonometric ratios?

The three trigonometric ratios are defined as follows:

Sine of angle = length of opposite side divided by the length of the hypotenuse.Cosine of angle = length of adjacent side divided by the length of the hypotenuse.Tangent of angle = length of opposite side divided by the length of the opposite side.

Regarding the angle of 64º, we have that:

The adjacent side is of 100 feet.The opposite side is the height.

Hence the height is obtained applying the tangent of 64º, as follows:

tan(64º) = h/100

h = 100 x tangent of 64 degrees

h = 205 feet.

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Select the correct answer.
What is the solution to |2x + 3) = 15?
O A.
О в.
O C.
O D. No solutions exist.
x = 6
x = 6 or x = -6
x = 6 or x = -9

Answers

The solution for the given equation is 6. Therefore, option A is the correct answer.

What is an equation?

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

The given equation is |2x+3=15.

The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true.

Now, 2x=15-3

2x=12

x=6

Therefore, option A is the correct answer.

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3. two dice are thrown. consider the sample space with 36 (equally likely) outcomes. let sj be the event that the total of the values which come up on the dice is j. find p(s2), p(s3), p(s4), p(s5), p(s6), p(s7), and p(s8); in doing so, show all the outcomes in each event being considered.

Answers

The value of the probability p(s2) is 1.36, p(s3) is 1/18, p(s4) is 1/12, p(s5) is 1/9, p(s6) is 5/36, p(s7) is 1/6, and p(s8) 5/36

The sample space for this problem can be represented as all the possible outcomes when two dice are thrown.

Each die has six sides with numbers 1 through 6, so there are 6 x 6 = 36 possible outcomes. We can represent each outcome as a pair of numbers (i, j) where i is the number on the first die and j is the number on the second die.

Now, we want to find the probability of getting a certain total when the two dice are thrown. We can define an event Sj as the event where the total of the values on the dice is j.

To calculate the probability of each event, we need to count the number of outcomes that belong to each event, and divide by the total number of outcomes (which is 36).

Let's start with S2. The only outcome that belongs to this event is (1, 1), so the probability of getting a total of 2 is 1/36.

For S3, we can get a total of 3 in two ways: (1, 2) and (2, 1). So the probability of getting a total of 3 is 2/36 or 1/18.

For S4, we can get a total of 4 in three ways: (1, 3), (2, 2), and (3, 1). So the probability of getting a total of 4 is 3/36 or 1/12.

For S5, we can get a total of 5 in four ways: (1, 4), (2, 3), (3, 2), and (4, 1). So the probability of getting a total of 5 is 4/36 or 1/9.

For S6, we can get a total of 6 in five ways: (1, 5), (2, 4), (3, 3), (4, 2), and (5, 1). So the probability of getting a total of 6 is 5/36.

For S7, we can get a total of 7 in six ways: (1, 6), (2, 5), (3, 4), (4, 3), (5, 2), and (6, 1). So the probability of getting a total of 7 is 6/36 or 1/6.

Finally, for S8, we can get a total of 8 in five ways: (2, 6), (3, 5), (4, 4), (5, 3), and (6, 2). So the probability of getting a total of 8 is 5/36.

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What is the probability of drawing a blue marble?


2/5

1/4

20%

30%

Answers

1/4  is the probability of drawing a blue marble .

What does math probability mean?

The area of mathematics known as probability explores potential outcomes of events, along with the likelihoods and distributions of those occurrences. It is predicated on the likelihood that something will occur. The logic underpinning probability serves as the foundation for theoretical probability.

                         For instance, the theoretical chance of receiving a head while tossing a coin is 12. There are four primary categories of probability: axiomatic, axiomatic, classical, and empirical. Probability is the area of mathematics that deals with the possibility of a random event.

total red balls = 5

total green balls = 3

total blue balls = 2

The probability of drawing a blue marble is now = 1/4.

The probability of drawing a red marble = 2/5.

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Ashirt is marked down 20% off the original price. If the original
price was $24,00, what is the sale price of the shirt before sales tax?

Answers

24/1.20=20 so $20 if that makes sense to you use this

Determine the system of transformations that will transform figure JKLM to figure
J’K’L’M and then to figure J’’K’’L’’M’’.

Answers

Step-by-step explanation:

JKLM to J'K'L'M -

Reflection, over the line y=x

J'K'L'M to J"K"L"M -

Dilation of 1/2

Hope this helps :)

y and x form a proportional relationship, and = 14 and y = 35 What is y when x equals 8?

Answers

I'm assuming you meant that x = 14. Anyways, since it's a proportional relationship, let's put it into numbers.

14/35 = 8 / y

Once we get here, to get y we multiply 35 by 8 and then divide the result by 14 and we get 20.

y = 20.

I need help, please some one explain

Answers

Answer:

Below

Step-by-step explanation:

DE is   MID segment.....so it cuts AC in half....then x = 6

Please help !! I can’t figure it out

Answers

Answer:

121 3

Step-by-step explanation:

Today's Challenge
Number Sense
What will be the color of a
flower dipped in a mixture
3/5
that is red? Explain how
you know.
Food Coloring to Put in Water to Change
the Color of a White Carnation
Carnation Color
Orange Sunset-10 yellow and 2 red
Purple-6 red and 4 blue
Jungle Green-6 green and 2 yellow
Watermelon Red-7 red and 1 blue
Drops of Food Coloring
DAY

Answers

The color of a mixture that is 3/5 red is given as follows:

Purple.

How to obtain the color?

To obtain the color, we must look at the proportions in the context of the problem.

The proportion of red of each mixture is obtained dividing the number of red drops by the total number of drops, hence:

Orange: 2/12 = 1/6.Purple: 6/10 = 3/5. -> 3/5 red.Jungle Green: 6/13.Watermelon red: 7/8.

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(1 point) how many 3 -element subsets containing the letter a can be formed from the set {a,b,c,d,e,f,g} ?

Answers

From the set a, b, c, d, e, f, g, we can derive 15 3-element subsets having the letter "a".

We can select 2 more elements from the set's remaining 6 components to create a 3-element subgroup that includes the letter "a": a, b, c, d, e, f, g.

The binomial coefficient indicates the number of possible methods to select 2 elements from a set of 6:

C(6,2) = 6! / (2! * (6-2)!) = 15

The positive numbers that appear as coefficients in the binomial theorem are known as binomial coefficients in mathematics. A binomial coefficient is frequently written as ( ) and is indexed by the pair of numbers n k 0.displaystyle "tbinom" nk. It is the multiplicative formula that can be used to calculate the coefficient of the xk component in the polynomial expansion of the binomial power (1 + x)n.

Thus, from the set a, b, c, d, e, f, g, we can derive 15 3-element subsets having the letter "a".

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im stuck on this question

Answers

w = amount of wagon stamps

b = amount of sailboat stamps

so hmm we know Megan bought 4 stamps, so whatever "w" and "b" are, we know that w + b = 4.

we also know that Megan spent 16 cents on all, and that the wagon ones cost 1c, so for "w" amount that's a total of 1*w or 1w.  Now, the sailboat stamps cost 5c, that will give us a total of 5*b or 5b for those.

[tex]w+b=4\implies b=4-w \\\\[-0.35em] ~\dotfill\\\\ 1w+5b=16\implies \stackrel{\textit{substituting from the 1st equation}}{1w+5(4-w)=16} \implies w+20-5w=16 \\\\\\ 20-4w=16\implies 20=4w+16\implies 4=4w\implies \cfrac{4}{4}=w\implies \boxed{1=w} \\\\\\ \stackrel{\textit{since we know that}}{b=4-w}\implies b=4-1\implies \boxed{b=3}[/tex]

[tex]27 / =12/16[/tex]

Answers

Answer:

if my calculation is correct the answer is 16 3/8-9 5/8 - fraction calculator. The result is 27/4 = 6 3/4 = 6.75 = twenty-seven quarters (or six and three quarters)

Step-by-step explanation:

Hey can someone explain this step by step please? thx

Answers

The probability that outmost 15 calls will be received is 0.2

What is probability?

A probability is a number that reflects the chance or likelihood that a particular event will occur. Probabilities can be expressed as proportions that range from 0 to 1, and they can also be expressed as percentages ranging from 0% to 100%.

The probability of receiving more than 15 calls is 0.8 i.ep( > 15) = 0.8

The total probability is 1

Therefore ,

the probability of receiving at most 15 calls is 0.2

i.e p( ≤15 ) = 1-0.8

= 0.2

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Computing exponents mod m. ? Compute each quantity below using the methods outlined in this section. Show your steps, and remember that you should not use a calculator (a) 4610 mod 7 (b) 345 mod 9 Feedback?

Answers

(a) The answer is 3. To solve 4610 mod 7, we start by dividing 4610 by 7, which gives us 658 with a remainder of 4. Next, we divide 658 by 7, which gives us 93 with a remainder of 5. We keep dividing by 7 until we reach a number below 7. This gives us a remainder of 3, so the answer is 3.

(b) The answer is 6. To solve 345 mod 9, we start by dividing 345 by 9, which gives us 38 with a remainder of 3. Next, we divide 38 by 9, which gives us 4 with a remainder of 2.

We keep dividing by 9 until we reach a number below 9. This gives us a remainder of 6, so the answer is 6.

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The mass of an unknown object is 850,0 kg and the volume of the water is 25cL. What is the density of the object in mg/kL?

Answers

The density of the object is 3.4 × 10¹² mg/kL.

What is Density?

Density of an object is defined as the mass of the object per unit volume.

The formula to calculate the density of an object is,

D = M / V

Here D is the density, M is the mass and V is the volume of the object.

Given that,

M = 850.0 kg = 850 × 1,000,000 mg = 85 × 10⁷ mg

V = 25 cL = 25 × 10⁻⁵ kL

Substituting the values,

Density = (85 × 10⁷ mg) / (25 × 10⁻⁵ kL)

             = 3.4 × 10⁷⁻⁻⁵

             = 3.4 × 10¹² mg/kL

Hence the density of the given object is 3.4 × 10¹² mg/kL.

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A survey of 138 investment managers in a poll revealed the following. • 44% of managers classified themselves as bullish or very bullish on the stock market. • The average expected return over the next 12 months for equities was 11.8%. • 22% selected health care as the sector most likely to lead the market in the next 12 months.• When asked to estimate how long it would take for technology and telecom stocks to resume sustainable growth, the managers' average response was 2.9 years. (a) Cite two descriptive statistics. (Select all that apply.) - of those investment managers surveyed, 46% were bullish or very bullish on the stock market.- of those investment managers surveyed, 46% selected technology and telecom stocks to be the sector most likely to lead the market in the next 12 months. - of those investment managers surveyed, 11.9% expect it would take 12 months for equities to resume sustainable growth. - of those investment managers surveyed, 46% were bullish or very bullish on health care stocks over the next 2.6 years. - Of those investment managers surveyed, 22% selected health care as the sector most likely to lead the market in the next 12 months. (b) Make an inference about the population of all investment managers concerning the average return expected on equities over the next 12 months. We estimate the average expected 12-month return on equities for --Select--- to be (c) Make an inference about the length of time it will take for technology and telecom stocks to resume sustainable growth. to be to be years. yea We estimate the average length of time it will take for technology and telecom stocks to resume sustainable growth for ---Select--- ---Select--- investment managers in the sample

Answers

(a) Descriptive statistics from the survey are 44%, 11.8%.

(b)  All investment managers is estimated to have an average expected 12-month return on equities of 11.8%.

(c)  Based on the sample, we can estimate that it will take an average of 2.9 years for technology and telecom stocks

Descriptive statistics from the survey are: (i) 44% of managers classified themselves as bullish or very bullish on the stock market, and (ii) the average expected return over the next 12 months for equities was 11.8%.

Based on the sample, we can infer that the population of all investment managers is estimated to have an average expected 12-month return on equities of 11.8%.

Based on the sample, we can estimate that it will take an average of 2.9 years for technology and telecom stocks to resume sustainable growth according to the population of all investment managers.

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three times the sum of a number and 16 is a least 27

Answers

3(x + 16)< 27 is the expression for three times the sum of a number and 16 is a least 27.

What is Algebra?

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

We are given that three times the sum of a number and 16 is a least 27

Here we can see that  three times the sum of a number and 16 means

3(x + 16)

Therefore, 3(x + 16)< 27

Hence, 3(x + 16)< 27 is the expression.

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let be an m x n matrix. if the set of vectors in rm is linearly independent, which of the following is/are true?

Answers

The statement that ; "Null A is the set of all solutions of the equation Ax = 0" , is True because null space is the set of solutions of equation Ax = 0 .

The Dimensions of the matrix A is written as m × n ;

The Null Space of a matrix A, is denoted by null(A), and

The Null Space is defined as the set of all solutions to the homogeneous linear equation Ax = 0, where x is an n-dimensional column vector.

In other words, we say that  null(A) consists of all vectors x that make the  Ax = 0 that is the Zero vector.

Therefore , we can conclude that Null A is the set of all solutions of the equation Ax = 0  .

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The given question is incomplete , the complete question is

Let A be an m×n matrix.  The statement is True or False ?

Null A is the set of all solutions of the equation Ax = 0  .

Using Heron's formula, show that the equilateral triangle has the maximum area for any fixed perimeter. Hint: In xyz≤k.
maximum occurs when x=y=z

Answers

Heron's formula states that the area of a triangle can be found using the following formula:[tex]A = √s(s-a)(s-b)(s-c)[/tex] where s is the semiperimeter of the triangle [tex](s = (a + b + c)/2)[/tex].

In the case of an equilateral triangle, all three sides (a, b, and c) are the same length. So, if we set x = y = z in the formula, we get [tex]A = √s(s-x)(s-x)(s-x).[/tex] Simplifying this expression yields [tex]A = (√s/4) * x^2[/tex].

We can also write the perimeter of the triangle as P = 3x. Substituting this into the area formula, we get [tex]A = [(P/3)*√3/4] * (P/3)^2[/tex]. This expression can be simplified to [tex]A = (1/12) * P^2 * √3.[/tex]

This shows that for a fixed perimeter, the area of an equilateral triangle is maximized. This is due to the fact that the area is proportional to the square of the sides, and in an  equilateral triangle all sides are equal, thus maximizing the area. Heron's formula states that the area of a triangle can be found using the following formula: A = √s(s-a)(s-b)(s-c) where s is the semiperimeter of the triangle (s = (a + b + c)/2).

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