Use the exponential regression equation that best fits the data (10,4). (12,20), (13,35), and (16,300) to estimate y when x = 15.
A 53.1
В. 97.2
C. 146.7
D. 254.8​

Answers

Answer 1

Answer:

c 146.7

Step-by-step explanation:

cuz


Related Questions

two piers, a and b, are located s km away from each other along a river. a motorboat, with a speed of v km/hour in still water, is cruising between the two piers. How much time t (in hours) will the motorboat need to get from pier a to pier b and back, if the speed of the current is 5km/hour? find t if: s=105 v=40

Answers

Answer:

speed in still water is v=40 speed of current

Find the simple interest paid on a $200 investment at 4.4% annual interest for 60 days.

Answers

Step-by-step explanation:

hope it will help you...

A small town had a population of 960 people last year. The population grew to 1200 people this year. By what percentage did the population grow? Please show how you did the problem :)

Answers

Answer:

25%

Step-by-step explanation:

[tex] \frac{1200}{960} \times 100 \%= 1.25\% \\ [/tex]

so it increases 25%

please help asap!!!!!!!!

Answers

Answer:

$3192.5.

Step-by-step explanation:

First $3000 tax is 3000 * 0.02 = $60.

Second $2000 tax is 2000 * 0.03 = $60.

Third $12000 tax is 12000 * 0.05 = $600.

Last $43,000 tax is 43000 * 0.0575 =$2472.5

Total income tax = $3192.5.

SAT verbal scores are normally distributed with a mean of 430 and a standard deviation of 120 (based on data from the College Board ATP). (a) If a single student is randomly selected, find the probability that the sample mean is above 500. (b) If a sample of 35 students are selected randomly, find the probability that the sample mean is above 500. These two problems appear to be very similar. Which problem requires the application of the central limit theorem, and in what way does the solution process differ between the two problems?

Answers

Using the normal distribution and the central limit theorem, it is found that there is a:

a) 0.281 = 28.1% probability that the sample mean is above 500.

b) 0.0003 = 0.03% probability that the sample mean is above 500.

In a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

It measures how many standard deviations the measure is from the mean.  After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X. By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].

In this problem:

The mean is of 430, hence [tex]\mu = 430[/tex].The standard deviation is of 120, hence [tex]\sigma = 120[/tex].

Item a:

The probability is the p-value of Z when X = 500, hence:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{500 - 430}{120}[/tex]

[tex]Z = 0.58[/tex]

[tex]Z = 0.58[/tex] has a p-value of 0.719.

1 - 0.719 = 0.281

0.281 = 28.1% probability that the sample mean is above 500.

Item b:

Sample of 35, hence [tex]n = 35, s = \frac{120}{\sqrt{35}}[/tex]

Then:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

By the Central Limit Theorem

[tex]Z = \frac{X - \mu}{s}[/tex]

[tex]Z = \frac{500 - 430}{\frac{120}{\sqrt{35}}}[/tex]

[tex]Z = 3.45[/tex]

[tex]Z = 3.45[/tex] has a p-value of 0.9997.

1 - 0.9997 = 0.0003

0.0003 = 0.03% probability that the sample mean is above 500.

To learn more about the normal distribution and the central limit theorem, you can take a look at https://brainly.com/question/24663213

find the perimeter of rectangle whose length is 5m 20 cm and breadth 3.5m​

Answers

Answer:

17.4 sq.m

Step-by-step explanation:

Given,

Length of the rectangle = 5m 20cm = 5.2m

Breadth of the rectangle = 3.5m

Therefore,

Perimeter of the rectangle

= 2(Length + Breadth)

= 2(5.2m + 3.5m)

= 2 × 8.7m

= 17.4m

Hence,

Area of the given rectangle is 17.4 sq.m (Ans)

Write an equation in slope-Intercept form for the line with slope 2 and y-Intercept - 1. Then graph the line.

Answers

Answer:

Solution given in the photo

An open-top box is to be constructed from a sheet of tin that measures 36 inches by 20 inches by cutting out squares from each corner as shown and then folding up the sides. Let V(x) denote the volume of the resulting box.

Answers

Answer:

[tex]V(x)=4x^3-112x^2+720x[/tex]

Step-by-step explanation:

[tex](36-2x)(20-2x)x[/tex]

[tex](720-72x-40x+4x^2)x[/tex]

[tex](4x^2-112x+720)x[/tex]

[tex]4x^3-112x^2+720x[/tex]

Therefore, the resulting volume would be [tex]V(x)=4x^3-112x^2+720x[/tex]

3/5 * 5/7 / 3/14 - 2/5​

Answers

Answer:

3/5*5/7*14/3-2/5

8/5...

expand and simplify
5(3y+2)+5(5y+2)​

Answers

Answer:

Step-by-step explanation:

15y + 10 + 25y + 10

Answer:

Solution here,

Step-by-step explanation:

For simplify

First multiply the terms inside the brackets with the term outside the bracket i.e 5.

5(3y+2)+5(5y+2)

15y+10+25y+10

35y+20

A ramp is at an angle of elevation of 15°. The distance from the top of the ramp to the ground is 20 feet. What is the length of the ramp? Round to the nearest tenth.

Answers

77.27 ft rounded to the nearest tenth is 77.3 ft

How to determine if Triangles are Congruent?


If they are, how do you know if they are SSS or ASA or SAS or AAS?


Essentially, how do I apply the different congruent thermos to the questions attached?

Answers

So basically what you have to do is first identify all of the sides or angles that equal eachother then you can see if you did a side side and side in a row etc, like 44 would be SAS because the vertical angles would be inbetween the two sides. 46 would be SSS because after you make the line in the middle for reflexive property you can see that there are three sides in a row. If this didnt help i recommend looking on Khan Academy

A scientist crosses two pea plants that are

heterozygous for plant height and flower

color. Tall is dominant over short and purple is

dominant over white. The plant height and

Flower color genes are unlinked. Complete the

information below and the Punnett square.

Then answer the questions below.

Answers

The Punnett square is a diagram divided into squares that is used to determine genotypes.

The question is incomplete, as the required details such as the characters that represent the plant heights and the flower colors are not given.

So, I will give a general explanation instead.

Assume the plants that are crossed are represented as: TT and Tt.

The possible genotypes would be TT, TT,Tt and Tt

In the above list of genotypes, genotype T is dominant over genotype t

See attachment for an illustration of the Punnett square.

Read more about Punnett square at:

https://brainly.com/question/15723456

b) Find the square root of 66.4225.

Answers

Answer:8.15

Step-by-step explanation: 8.15

please help quickly!!!!!!!

If y varies directly with x, determine an equation for the given direct variation. For this question, find the value of the given variable.

Find y when x = 10 if y = 8 when x = 20.

Answers

Answer:

y=K*x equation

k=constant of variation

y= 4 when x = 10

Step-by-step explanation:

8=k*20

divide both sides by 20 to solve for k

2/5=k

y=2/5 *10

y= 4 when x = 10

3. Find the total tax using the expanded expression. Did you get the same answer as
you did by evaluating the original expression? (3 points)

Answers

Answer:

To evaluate an algebraic expression means to find the value of the expression when the variable is replaced by a given number. To evaluate an expression, we substitute the given number for the variable in the expression and then simplify the expression using the order of operations

Answer:

To evaluate an algebraic expression means to find the value of the expression when the variable is replaced by a given number. To evaluate an expression, we substitute the given number for the variable in the expression and then simplify the expression using the order of operations

Step-by-step explanation: Hope it Helpss :D

There are 11 students in a high school senior class. In how many ways could the yearbook choose the winners of Most Athletic, Class Clown, Best School Spirit, and Best Looking?​

Answers

We have 11 items and 4 choices

Using the formula for 11C4

We can work out that the amount of ways to choose 4 things from 11 is equal to

11!/(7!)(4!) = 330 ways

The number of ways the yearbook chooses the winners of Most Athletic, Class Clown, Best School Spirit, and Best Looking is 330 ways.

What are permutation and combination?

Combination and permutation are two different ways of grouping elements of a set into subsets in mathematics. The elements of the subset can be listed in any order in a combination. The elements of the subset are listed in a specific order in a permutation.

Given that there are 11 students in a high school senior class. The number of ways will be calculated as,

The formula for arrangement,

¹¹C₄ = 11!/(7!)(4!)

¹¹C₄ = 330 ways

To know more about permutation and combination follow

https://brainly.com/question/4658834

#SPJ2

How is 8/15 written as a mixed number?​

Answers

Answer:

8/15 is already a proper fraction, therefore it cannot be converted to a mixed number. Hope this helps!

Step-by-step explanation:

What is (3*7) divided by 5

Answers

Answer:

The answer is 4.2,

Hope that helped. x

Step-by-step explanation:

3 x 7 (3*7) = 21

21 divided by 5 = 4.2.

Answer:

4.2

Step-by-step explanation:

Using PEMDAS,

ParenthesisExponentsMultiplicationDivisionAdditionSubtraction

We know that to solve (3*7) divided by 5, we will need to solve what is in the parenthesis.

So, we need to figure out what is 7*3, which is 21.

This is what we have right now:

21 divided by 5

The next step is dividing,

We divide 21 by 5 to get 4Multiply the quotient digit (4) by the divisor 5Subtract 20 from 21Add a decimal place and a zero to the dividend, bring down the zero from the dividendDivided 10 by 5 to get 2Multiply the quotient digit (2) by the divisor 5Subtract 10 from 10The solution for the division is 4.2

In the end, the answer is 4.2, hope this helped!

PLEASE HELP ME!!!!!


Laura earns an hourly rate of $14.50 for the first 40 hours that she works in a week. She earns one- and-a-half times her hourly rate for any hours over 10. If she earned $775.75 in one week, how many hours did she work?

a. 35.7
b. 53.5
c. 45
d. 49​

Answers

Answer:

I'm not 100% sure but I believe the answer is A

The total hours of work done by Laura is 39 hours.

What are Mathematical operators?

A collection of numbers and operations is an expression in mathematics. The following are the parts of a math expression that do a math operation:

Operands: Operands are the numbers that an operator uses. The terms that are given to the operands vary according to the kind of operation.

Given the hourly income Laura = $14.50

total hours she works in a week = 40

increase in rate after working after 10 hours is 1.5 times

the hourly rate after 10 hours = 14.50 x 1.5 = $21.75

amount earned in 10 hours = 10 x 14.5 = $145

total earning = $775.75

the amount left after reducing the amount of 10 hours = 775.75 - 145 = $630.75

$630.75 is earned in = 630.75/21.75 hours = 29 hours

total hours Laura worked = 10 + 29 = 39 hours.

Hence Laura worked 39 hours in a week.

Learn more about Mathematical operators;

https://brainly.com/question/8959976

#SPJ2

Determine the intercepts of the line. Do not round your answers. 4x-3y=17

Answers

Answer:

[tex]\frac{17}4; -\frac{17}3[/tex]

Step-by-step explanation:

Option 1:  check the intersection of the curve with both axis by plugging x=0 (y axis) and y=0 (x axis). You will get

[tex]x=0 \implies 0-3y=17 \rightarrow y=-\frac{17}3\\y=0 \implies 4x-0=17 \rightarrow x=\frac{17}4[/tex]

Option2: (my favourite. Divide by 17 both sides to write the equation as [tex]\frac xp + \frac yq = 1[/tex]: p and q will give you the two intercepts:

[tex]4x-3y=17 \rightarrow \frac{4}{17}x - \frac3{17}y = 1 \rightarrow \frac{x}{\frac{17}4}+ \frac{y}{-\frac{17}3}=1[/tex]

Again, the two intercepts are [tex]\frac{17}4; -\frac{17}3[/tex]

Answer:

The x-intercept is ( 17/4, 0 ), The y-intercept is ( 0, -17/3 ).

Step-by-step explanation:

The y-intercept of a graph is the point of intersection between the y-axis and the graph. Since the y-axis is also the line x = 0,x = 0 in the equation. x-value of this point will always be 0.

x-intercept of a graph is the point of intersection between the x-axis and the graph. Since the x-axis is also the line y=0 y=0y, equals, 0, the y-value of this point will always be

0.

To find the y-intercept, let's substitute x=0 y:4⋅0−3y=17

-3y=17

y = -17/3

​So the y-intercept is (0, -17/3).

To find the x-intercept, let's substitute y = 0 into the equation and solve for x: 4x - (3⋅0) = 17

4x = 17

x = 17/4

So, the x-intercept is (17/4, 0).

In conclusion, The y-intercept is (0, -17/3).

The x-intercept is (17/4, 0).

Carson bought 50 pounds of rice for his restaurant. He cooked the rice and wanted to evenly divide it into 9 containers to be served later. How many pounds of rice should Carson put in each container?

help plss

Answers

Answer:

Step-by-step explanation: there you go

A geologist examining a road cut at this location would recognize that Layer A is

than Layer B. This conclusion is made through the principle of

Answers

This conclusion is made through the Principle of Lateral Continuity.

The statement made is that "A geologist examining a road cut at this location would recognize that Layer A is  older than Layer B."

The principle that guides this observation is that of lateral continuity which states that layers of sediment extend laterally in all directions.

This means that the new layer B is simply an extension of the older layer A.

Learn more about the Principle of Lateral Continuity here:

https://brainly.com/question/6030532

Answer:

Younger, superposition

Step-by-step explanation:

The first answer is younger, because for one, it's on the top of the ground sequence, and two because the second question options all prove that answer and not the "older" one.

The second answer is superposition, which states that it goes oldest to youngest from base up.

-Lexi

Hey mathematicians ! Can anyone help me with these problems please ! Will give brainly !

Answers

Answer:

15)alternate exterior, 16) corresponding angles 17) alternate exterior 18) same side interior

19) alternate interior

X=
Y=
Find the values of X and Y

Answers

Answer:x = 50°y = 65°Step-by-step explanation:

We can clearly see that the triangle is an isosceles triangle. This also means that y must equal to 180 - 115. Let's solve.

=> x + y + 180 - 115 = 180=> x + y + 65 = 180

Since 180 - 115 equals 65, this means that y = 65.

=> x + 65 + 65 = 180=> x + 130 = 180=> x = 180 - 130=> x = 50Conclusion:

Therefore, our answers are:

x = 50°y = 65°

Hoped this helped.

[tex]-BrainiacUser1357-[/tex]

Fill in the blank f(x)=2x+1, then f(___)=13

Answers

Answer:

if f(x)=2x+1 then insert 6 in x

f(6)=2*6+1

f(6)=13

so the answer is 13

Can somebody pls solve this equation my brain hurts.

Answers

The answer is C and D

Because when a negative value is be multiplied by a positive value the solution will be negative

Hope this helps!
Brainliest is much appreciated!

-9 - 5 this would help me a lot please

Answers

Answer:

-14

Step-by-step explanation:

Think of it like this-

subtracting a negative is like adding a positive, so all you have to do is add a negative sign to the sum after solving these sort of problems :>

Hope this helps!

-14

Explanation: -9-5 = -9+5 since there’s two negative signs. And -14 cause the greater number is negative.


If there are 80 shirts - 30%are blue and 40%are red how many
are white

Answers

Answer:

24

Step-by-step explanation:

30%+40%=70%

100%-70%= 30%

what's 30% of 80?

80×0.3= 24

30% of 80 is 24.
40% of 80 is 32.

that is 56 shirts combined with blue and red shirts. 80 - 56 is 24 shirts :)

1 meter is equal to 100 centimeters or 1,000 millimeters. How many millimeters are in 2 meters, 17 millimeters?

Answers

Answer:

2,017

Step-by-step explanation: 2 meters= 2,000

So, 2,000+17= 2,017

2017 millimeters are in 2 meters, 17 millimeters as per the given unit conversion rate.

What is Unit conversion?

A statement of the connection between units that are used to alter the units of a measured quantity without affecting the value is called a conversion factor. A conversion ratio (or unit factor), if the numerator and denominator have the same value represented in various units, always equals one (1).

Given, 1 meter is equal to 100 centimeters or 1,000 millimeters.

To calculate the total number of millimeters in 2 meters, 17 millimeters.

Since,

millimeters in 1 meter = 1000

Thus,

millimeters in 2 meter = 2000

millimeters in 2 meters, 17 millimeters = 2017

Therefore, there is 2017 mm in 2meteres, 17 mm as per the given unit conversion.

Learn more about unit conversion here:

https://brainly.com/question/19420601

#SPJ6

Other Questions
Distinguish between principles, guidelines and standards, using examples of each to illustrate Look at this piece of artwork by Norman Rockwell titledArtist Facing Blank Canvas made in 1938Interpret and evaluate this artwork A can of soup is a cylinder with diameter 7 cm.The can is 10 cm highThe can is full of soupsoupThe soup is poured into a saucepan.The saucepan is a cylinder with diameter 12 cm.Work out the depth of the soup in the saucepan.Give your answer correct to 1 decimal place. How do you add fractions with a whole number? Please explain the rules of it too! To be marked as brainliest Last oneeee helpppp pleaseeeee What is the slope of this line? A.) 1/2B.) 1/2C.) 2D.) I don't know. explain how redox reactions are involved in energy exchanges A solution containing 0.60 moles of sodium hydroxide is added to excess magnesium sulfate in solution. A white solid, magnesium hydroxide, is formed.a) Write a balanced equation including the states of reactants and products.b) write the name of the other product formed? 11) Which of the following is a way the Russia's Peter the Great tried to make Russia more like therest of Russia?A) He told the peasants to eat more meatB) He told his people they could not wear furC) He made his Nobles shave their beardsD) All of these The iambic meter is composed of Rajesh gave of his provident fund to his wife, to his son and the remainder was to be divided equally between his two brothers so that each brother got Rs 10000. What was the amount of provident fund ? how many gifts would you receive in the 12 days of christmas a population undergoing natural selection would see a faster and more dramatic change in allele frequency if the starting generation contained more of the allele being selected against. Find the length of the third side. If necessary, round to the nearest tenth. Help a brother out.ill give brainlist poor ________ can skew election results, particularly if one age or socioeconomic group is more diligent in its efforts to make it to the polls. Which operation should you perform first when you simplify 63 (2 + 54 6) 5? A division B multiplication C subtraction D addition please help! WILL MARK BRAINLIEST ___________ was commonly grown in the southern colonies. What are persuasive language technique? Tynker has a particular layout, with the blocks on the left, editor in the middle, and output on the right. Which word best describes this screen layout? block-based interface editor player