What specific measure of a geometric figure is shown on the image?

A. A 110° angle
B. A 180 mm side length
C. A 70° angle
D. A 70 mm side length

Answer:

It should be = 20/68 = 0.294117647

The main step to add rational expressions with unlike denominators is to take least common multiple of denominator and make them like before applying the required operation.

Therefore, the addition of rational expressions with unlike denominators is simplified by taking least common multiple.

The above question is incomplete, the complete question is:

Write steps for adding rational expressions with unlike denominators with example ?

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Using the trapezoid midsegment theorem, the length of the midsegment of trapezoid PQRS is 11 units,

The Trapezoid Midsegment Theorem states that the length of the midsegment of a trapezoid is equal to the average of the lengths of the bases (the parallel sides). Mathematically, this can be expressed as:

length of midsegment = (length of base₁ + length of base₂) / 2

In the case of trapezoid PQRS, the bases are QR and PS.

The length of QR is 8 units and the length of PS is 14 units.

Therefore, the length of the midsegment can be calculated as:

length of midsegment = (8 + 14) / 2

length of midsegment = 22 / 2

= 11 units

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The value of each of the following:

(a) 0.0837 ml

(b) 460.68 m

(c) 84 L

(d) 100￠

The denominator of a percentage (also known as a ratio or fraction) is always 100. Ram, for instance, would have received 30 out of a possible 100 points if he had received 30% on his arithmetic test.

For 6 1/5 % of 1.35 ml

⇒ 6 1/5 % = 31/5 %

⇒ 31/5 % of 1.35 ml

= 31/(5×100) × 1.35 ml

= 0.0837 ml

For 56 7/8 % of 810 m

⇒ 56 7/8 % = 455/8 %

⇒ 455/8 % of 810 m

= 455/(8×100) × 810 m

= 460.68 m

For 0.56% of 15 000 L

⇒ 0.56% of 15 000 L

= 0.56/100 × 15 000 L

= 84 L

For 2000% of 5￠​

⇒ 2000% of 5￠​

= 2000/100 × 5￠​

= 100￠​

Hence, the answers are as follows:

(a) 0.0837 ml

(b) 460.68 m

(c) 84 L

(d) 100￠

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To solve the system of equations y=4x-3 and y=-2x+9, we can set the two equations equal to each other and solve for x:

4x - 3 = -2x + 9

Adding 2x and 3 to both sides, we get:

6x = 12

Dividing both sides by 6, we get:

x = 2

Now that we have the value of x, we can substitute it into either of the original equations to find the corresponding value of y. Let's use the first equation:

y = 4x - 3

y = 4(2) - 3

y = 8 - 3

y = 5

Therefore, the solution to the system of equations is x = 2 and y = 5. The solution is the ordered pair (2, 5).

The circumference of the circle is 30 cm.

Any unit for measuring length can be used to calculate the circumference, including feet, miles, metres, millimetres, etc.

By substituting 3 for, we can use the following formula to determine the circle's circumference:

C = 2πr

where r is the radius and C is the circumference.

We can observe from the provided diagram that the circle's radius is 5 cm. Thus, by changing r = 5 cm and = 3 in the formula, we obtain:

C = 2(3)(5) = 30

The circle's circumference is 30 cm as a result.

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Answer: -3

Step-by-step explanation:

SSS" is when we know three sides of the triangle, and want to find the missing angles

Using Distributive Property, the two expressions that is equal to 72 are

3(10+14) and 4(5+13).

What are expressions exactly?

In mathematics, expressions are mathematical claims that consist of at least two sentences that contain numbers, variables, or both, and are linked by an operator in between. The operations includes sum, Difference, multiplication, and division. For instance, x + y is an equation in which the words x and y are separated by an addition operator. In mathematics, there are two types of expressions: numerical expressions, which include only numbers, and algebraic expressions, which contain both numbers and variables.

Now,

The expressions using distributive property can be

3(10+14)=3*10+3*14

            =30+42

            =72

4(5+13)=4*5+4*13

            =20+52

           =72

Hence,

            the two expressions that is equal to 72 are 3(10+14) and 4(5+13).

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The metric system of measurement is based on the number 10.

This system is also known as the International System of Units (SI) and is used in most countries around the world. In the metric system, various units of measurement are defined as multiples or fractions of a base unit, which is defined for each quantity being measured. For example, the base unit for length is the meter, and the base unit for mass is the kilogram. Prefixes such as kilo-, centi-, and milli- are used to indicate multiples or fractions of the base unit, based on factors of 10. For example, a kilometer is 1000 meters, a centimeter is 1/100 of a meter, and a milligram is 1/1000 of a gram. This makes the metric system easy to use and convert between units, as well as consistent and universally recognized.

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The steps to calculate standard deviation using a TI-84 calculator:

1.Enter the data into a list

2.Calculate the mean

3.Calculate the standard deviation

Here are the steps to calculate standard deviation using a TI-84 calculator:

1.Enter the data into a list: Press STAT, then ENTER, and then use the arrow keys to move to a list (e.g., L1, L2, etc.) and press ENTER. Enter the data into the list by typing each value followed by ENTER.

2.Calculate the mean: Press STAT, then RIGHT ARROW to select the CALC menu, and then select 1: 1-Var Stats. This will display a list of variables. Type the list name that contains the data and press ENTER. The calculator will display the mean value.

3.Calculate the standard deviation: From the same list in step 2, look for "Sx" or "σx" in the output. Sx stands for the sample standard deviation, and σx stands for the population standard deviation.

That's it! Now you know how to calculate standard deviation using a TI-84 calculator.

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Answer:

2/5 bottle of juice

2/15L of juice

Step-by-step explanation:

We originally have 2 bottle of juice and each bottle contains 1/3 liter. From this, we can find that there are 2/3L of juice in total. Since five friends equally drink the juice, each of them drank 2/5 bottle of juice and 2/15L of juice.

I hope this makes sense to you. I am generally good with following up with additional questions. Feel free to leave a comment if you have any questions or you can also message me as well!

Answer: y=6x^2 opens downward. y=11x^2 opens upward

Step-by-step explanation:

-6 is a negative so it opens downward. 11 is a positive number so it will open upward.

Answer:

The secant function is undefined for angles where the cosine function equals zero, because dividing by zero is undefined. Therefore, we need to find the values of Θ where cos Θ = 0.

The cosine function equals zero at 90° and 270° (or π/2 and 3π/2 in radians), so we have:

cos 90° = 0, cos 270° = 0

Therefore, the angles that satisfy sec Θ = undefined are:

Θ = 90° + 360°k, Θ = 270° + 360°k

where k is an integer (positive, negative, or zero) that allows us to generate all possible angles in the range 0° ≤ Θ ≤ 360°.

So, the solutions for Θ are:

Θ = 90° + 360°k, Θ = 270° + 360°k

where k is an integer.

Step-by-step explanation:

The amount that Ayaan will have in his tax-free savings account after 6 months of depositing $746 at 2.15% interest is $754.02.

The future value refers to the present value plus the interest.

The future value for this savings account can be computed using the simple interest system since there is no compounding of interest.

The initial deposit (present value) = $746

Interest rate = 2.15%

Savings period = 6 months

Future value = $754.02 ($746 + ($746 x 2.15% x 6/12)

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a) Height of section A is 15.21 m, b) the length of the wire structure from the point O to the top of section A is 51 units and the length of the wire structure from the point O to the top of section B is 41.56 units

Height is the measurement of an item in the vertical direction, whereas distance is the measurement of an object in the horizontal direction from a certain location.

Given that an arrangement of wires and tower, making it as two right triangles, Let us consider the foot of the tower be C (refer to image attached)

Using the concept of height and distance, we will find the asked measurements,

a) What is the height of the section A?

CA = tan 45° × CO [tan 45° = 1]

CA = 36 m

Similarly,

CB = tan 30° × CO [tan 30° = 0.577]

CB = 20.78

Height of section A = CA - CB

= 15.21 m

b) What is the length of the wire structure from the point O to the top of section A?

OA = AC / sin 45°

OA = 36 / 0.707

OA = 51

Therefore, the length of the wire structure from the point O to the top of section A is 51 units

c) What is the length of the wire structure from the point O to the top of section B?

OB = BC / sin 30°

OB = 41.56

Therefore, the length of the wire structure from the point O to the top of section B is 41.56 units

Hence, the answers are a) Height of section A is 15.21 m, b) the length of the wire structure from the point O to the top of section A is 51 units and the length of the wire structure from the point O to the top of section B is 41.56 units

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The complete question is :-

Radio towers are used for transmitting a range of communication services including radio and television. The tower will either act as an antenna itself or support one or more antennas on its structure, including microwave dishes. They are among the tallest human-made structures. There are 2 main types: guyed and self-supporting structures.

On a similar concept, a radio station tower was built in two sections A and 6. Tower is supported by wires from a point O. Distance between the base of the tower and point O is 36 m. From point O, the angle of elevation of the top of section B is and the angle of elevation of the top of section A is

On the basis of the above information, answer any three of the following questions

*(i) What is the height of the section A?*

*(ii)What is the length of the wire structure from the point O to the top of section A?*

*(iii) What is the length of the wire structure from the point O to the top of section B ?*​

Answer:

Step-by-step explanation:

The simplified answer in improper fraction is -3 ¹/₅.

To simplify the equation we will solve the equation and obtain the value of x as shown below.

7 ( x + 1 ) = 1 - 2( 5 - x )

open the bracket by multiplying by 7 and 2

7x  +  7  = 1 - 10 + 2x

collect similar terms as shown below;

7x - 2x = 1 - 10 - 7

5x = -16

x = -16 / 5

x = -3 ¹/₅

Thus, the simplified answer in improper fraction is obtained by finding the value of x.

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The total area for the parallelogram-shaped tiles Felix needs to buy exists 80cm² at the price of $40.

In calculating the area of a parallelogram, the base exists multiplied by the height, in an exact way as computing the area of a rectangle.

here, we have,

Given that, the base of one parallelogram-shaped tile exists 4cm with a height of 2 cm.

Area of one parallelogram shaped tile = 4cm × 2cm

Area of one parallelogram-shaped tile = 8cm²

Total area for the 5black and 5white tiles = 10 × 8cm²

Total area for the 5black and 5white tiles = 80cm²

Therefore, Felix must buy a total area of 80cm² of 10 parallelogram-shaped tiles.

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To convert grams to moles per gram, you need to find the molar mass of the substance in grams per mole. Then, divide the number of moles by the given mass to get moles per gram.

To convert grams to moles per gram, you first need to determine the molar mass of the substance you are interested in. The molar mass is the mass of one mole of the substance, expressed in grams. Once you know the molar mass, you can use it to convert grams to moles, and then divide by the total mass to get moles per gram.

Here are the steps to follow:

Determine the molar mass of the substance. This is the sum of the atomic masses of all the atoms in the molecule, expressed in grams per mole. You can find the atomic masses on the periodic table.

Convert the given mass from grams to moles, using the formula:

moles = mass / molar mass

where mass is the given mass in grams, and molar mass is the calculated molar mass in grams per mole.

Divide the number of moles by the given mass, to get the moles per gram. This gives you the number of moles of the substance per gram of the sample.

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Answer:

Step-by-step explanation:

a

Answer:

D)  229.05

Step-by-step explanation:

f(75) = 0.81(75) + 168.3 = 229.05

The equation for A is A=4b(t+D) from t = A/4b-D.

Two or more expressions with an Equal sign is called as Equation.

The given equation is t = A/4b-D

t equal to A by four times of b minus D

The variables in the equation are A, b and D.

The formula is given for the variable t.

We need to change the formula to find the value of A.

We need to solve for A.

Add D on both sides

t+D=A/4b-D+D

The positive and negative D on right side of the equation will be cancelled and left with A/4b.

t+D/1=A/4b

Now apply cross multiplication

A=4b(t+D)

Hence, the equation for A is A=4b(t+D) from the t = A/4b-D.

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The points are plotted and labeled in the graph.

Coordinates are a pair of integers (Cartesian coordinates), or occasionally a letter and a number, that identify a certain place on a grid, often referred to as a coordinate plane.

Given:

A graph of the coordinate plane.

The points are (0, 2), (-3, 4), (4, -6), (6, -2), (5, 5), (-3, -5), (0, -4), (4, 0), (5, 0), and (3, -6).

The points are plotted and labeled in the graph.

The required graph is given in the image below.

Therefore, all the coordinates are plotted in the graph.

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Answer:

Step-by-step explanation:

To find the diagonal of a rectangular lot, you can use the Pythagorean theorem. The theorem states that in a right triangle, the square of the length of the hypotenuse (the longest side, also known as the diagonal of the rectangle) is equal to the sum of the squares of the lengths of the other two sides.

So, for a rectangular lot 165 feet long and 90 feet wide, the length of the diagonal can be calculated as follows:

d = √(165^2 + 90^2) = √(27225 + 8100) = √35325 = 189 feet

The diagonal fence for the lot would require 189 feet of fencing. To round this to the nearest foot, we would round up to 190 feet, since 189.5 is closer to 190 than 189.

Therefore, 190 feet of fencing are needed to make a diagonal fence for the lot.

Answer: answer to 2nd mcq

Step-by-step explanation:

For (-6, 0): -6 + 3(0) = -6 + 0 = -6 ≥ -8         [true]

For (-1, -2): -1 + 3(-2) = -1 - 6 = -7 ≥ -8       [true]

For (-5, -1): -5 + 3(-1) = -5 - 3 = -8 ≥ -8       [true]

45% in decimal form is 0.45.

Percentages are a way of expressing a fraction or proportion of a whole, with the whole being represented by 100%. To convert a percentage to a decimal, we simply divide by 100.

In this case, we have 45%. Dividing 45 by 100 gives us 0.45, which is the decimal equivalent of 45%.

Decimal numbers are a base-10 system that uses the digits 0 through 9 to represent all possible values. They are commonly used in mathematics, finance, and science for their precision and ease of calculation.

Converting percentages to decimals is an important skill to have when dealing with calculations involving percentages, such as taxes, discounts, and interest rates.

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One needs to connect the points where these arcs intersect the circle to form the desired shape. Finally, the angles need to be labeled to complete the unit circle.

A unit circle is a circle with a radius of 1. It is a tool used in trigonometry to measure angles and lengths of arcs. To calculate the length of an arc, one needs to know the angle it subtends at the center of the circle. The formula for finding this length is L = rθ, where L is the length of the arc, r is the radius, and θ is the angle subtended at the center. To fill in a unit circle, one needs to first calculate the lengths of the arcs subtended by the angles in the circle. Then, one needs to connect the points where these arcs intersect the circle to form the desired shape. Finally, the angles need to be labeled to complete the unit circle.

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A time complexity cheat sheet is a reference guide that provides an overview of the time complexity of common algorithms and operations in computer science.

Time complexity is a measure of the amount of time an algorithm takes to solve a problem, expressed in terms of the input size of the problem. It is typically denoted using Big O notation, which provides an upper bound on the amount of time an algorithm takes.

A time complexity cheat sheet can be useful for quickly determining the time complexity of an algorithm or operation, as well as for comparing the time complexity of different algorithms. Some common time complexities that may be included in a time complexity cheat sheet are:

O(1): Constant time complexity. An algorithm with O(1) time complexity takes a fixed amount of time, regardless of the input size.

O(log n): Logarithmic time complexity. An algorithm with O(log n) time complexity takes time proportional to the logarithm of the input size.

O(n): Linear time complexity. An algorithm with O(n) time complexity takes time proportional to the input size.

O(n log n): Log-linear time complexity. An algorithm with O(n log n) time complexity takes time proportional to the input size multiplied by the logarithm of the input size.

O(n^2): Quadratic time complexity. An algorithm with O(n^2) time complexity takes time proportional to the square of the input size.

O(2^n): Exponential time complexity. An algorithm with O(2^n) time complexity takes time proportional to two raised to the power of the input size.

Other time complexities may also be included, depending on the complexity of the algorithm or operation. A time complexity cheat sheet can be a helpful tool for understanding and analyzing algorithms, but it is important to remember that time complexity is not the only factor to consider when evaluating the performance of an algorithm.

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Note that using relationship 1 where

A = 50°; and

Y = 110°

Angle b = 70°; and

Angle c = 60°

This means that the triangle is a scalene triangle.

Since a = 50° - Given; and

y = 110° - Given

to determine the m∠b, you must use the concept of sum of angles on a straight line. Sum of angles on a straight line must always equal 180°

Thus,

b = 180 - y

b = 180 - 110

b = 70°

To determine the m∠c, we used the sum of angles in a Δ theorem. This states that all angles in Δ must equal 180°

Since

a = 50° - Given; and

b = 70° - as derived above,

c = 180 - (a + b)

c = 180 - (50 + 70)

c = 180 - 120

c = 60°

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