If m∠A = 50° and m∠B = 45°, what is m∠H?

(If anyone knows all the answer to any of these please provide a link.)

(It's called Chapter 5 Test, 3B Ratio, Proportion, and Similar Figures)

Answer:

Step-by-step explanation:

v=(4/3)*pi*r^3

100=(4/3)*pi*r^3

r=2.879

Answer: The first answer

Step-by-step explanation:

x commision/15,000 = $360 comission/4500

Converting 1 pound to 2 cups is mainly used for cooking and baking. One pound equals two cups.

Pound:

A pound is a unit of mass used to measure the weight of dry ingredients. It is expressed in "pounds" and equals 16 ounces in the traditional American system. On the other hand, there are two types of pounds used in England, the common American pound (avoirdupois pound) and the British imperial pound, which are slightly different from each other. So remember the pounds used in the recipe book you're working on.

Cups:

Cups are an important tool for measuring ingredients in the kitchen. It is mainly used for measuring the volume of liquid ingredients such as water, milk, butter, etc. or for measuring dry grain or powder ingredients such as coffee beans, chocolate chips, flour, sugar, etc.

There are two types of measuring cups:

Measuring cups are normally supplied with a printed weighing scale. We can fill the cup with ingredients according to this scale. Liquid measuring cups are usually made of a transparent material such as glass or plastic. This makes it easier to fill accurately.

According to the Question:

1 cup = ½ lb

To calculate how many pounds are in a given number of cups, you can do it with the following simple formula:

Pounds = Cups × ½

Or, Pounds = Cups × 0.5

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Double integration in polar coordinates involves integrating a function over a two-dimensional region in the polar coordinate system. This is done by setting up a double integral in terms of r and θ, and integrating first with respect to r and then with respect to θ.

Double integration in polar coordinates involves integrating a function over a two-dimensional region in the polar coordinate system. The steps to double integrate a function in polar coordinates are as follows:

1. Determine the limits of integration for r and θ. These limits define the region over which the function will be integrated. Typically, the limits are determined by the boundaries of the region in the xy plane.

2. Write the function to be integrated in terms of r and θ. The function must be expressed in polar coordinates for integration in polar coordinates.

3. Set up the double integral by writing the function in polar coordinates, multiplying by the appropriate factors of r and integrating with respect to r first and then θ.

4. Integrate the function with respect to r, using the limits of integration for r determined in step 1.

5. Integrate the result from step 4 with respect to θ, using the limits of integration for θ determined in step 1.

The general form of a double integral in polar coordinates is:

∫∫f(r, θ)r dr dθ

where f(r, θ) is the function to be integrated, and r and θ are the polar coordinates.

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Answer:

the answer is number of orange marble/number of times

which might be 1/12 because you didn't specify

The percent change from the first value to the second is 20%.

Suppose the value of which a thing is expressed in percentage is "a'

Suppose the percent that considered thing is of "a" is b%

Then since percent shows per 100 (since cent means 100), thus we will first divide the whole part in 100 parts and then we multiply it with b so that we collect b items per 100 items(that is exactly what b per cent means).

Thus, that thing in number is

[tex]\dfrac{a}{100} \times b[/tex]

Given;

The first number= 48

The second number= 60

Now, difference=60-48=12

Here,

=(60-48) x 100/48

=1200/48

=20

Therefore, the percentage change will be 20%.

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Answer:

Step-by-step explanation:

The volume of water in a pool can be calculated using the following formula:

Volume (in gallons) = Length (in feet) x Width (in feet) x Average Depth (in feet) x 7.5

For example, if your pool is 20 feet long, 15 feet wide, and has an average depth of 5 feet, the volume of water in your pool would be:

20 x 15 x 5 x 7.5 = 5625 gallons

Note: If you prefer metric units, the formula for volume in liters would be:

Volume (in liters) = Length (in meters) x Width (in meters) x Average Depth (in meters) x 1000

It's important to note that this formula assumes a standard rectangular or square pool shape. If your pool has a more complex shape, you may need to measure the volume in smaller sections and add the volumes together to get the total volume.

In The equation, A equal to 2,400 plus quantity 1 plus 0.031 over 4 end quantity all raised to the power of 4 times t, represents the amount of money earned on a compound interest savings account, A. The value 0.031 represents the interest rate, which means the annual compounded interest rate is 3.1%.

The general compound interest equation is given as:

Formula:

A = P(1 + r/n)^nt

A = final amount or future value

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

Compounding interest involves computing interest on both the principal and the accumulated interest.

On the other hand, the simple interest method does not compute interest on accumulated interest.

Thus, the correct representation of the value 0.031 is the compound interest rate as 3.1%.

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Answer:

$320

------------------

Original price of 4 chairs:

Cost after mark down by 20%:

The arrangement and simplification of like term gives  1/4 x + 3/4 x - 1/2 x + 1 - 2/3.

The term "like terms" in algebra refers to terms that have the same variable raised to the same power. Only the numerical coefficients can vary in terms that are similar to algebra.

Given:

Expression: 1/4 x + 1 + 3/4 x -2/3 - 1/2 x

As, like terms have variables then

1/4 x + 3/4 x - 1/2 x + 1 - 2/3

Now, applying the operation as

= x(1/4 + 3/4- 1/2) + 1 - 2/3

= x(4/4 - 2/4) + 3/3 - 2/3

= 2/4 x + 1/3

= 1/2 x + 1/3

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Explanation:

The five number summary is

in that exact order.

A five number summary of 1,2,8,20,21 means:

The IQR (interquartile range) is the distance from Q1 to Q3

IQR = Q3-Q1

IQR = 20-2

IQR = 18

The lower fence (L) is then calculated like so

L = Q1 - 1.5*IQR

L = 2 - 1.5*18

L = -25

If any values are smaller than this lower fence of -25, then they are considered small outliers. But we know that min = 1 is the smallest value. This means we do not have small outliers.

Now onto the upper fence (U)

U = Q3 + 1.5*IQR

U = 20 + 1.5*18

U = 47

If any values are larger than 47, then they are considered large outliers. But we know that max = 21 is the largest value. This means we do not have large outliers.

In summary, all of the data values are between min = 1 and max = 21, which guarantees they are definitely in the interval between L = -25 and U = 47.

This is why there are  no outliers in this data set.

When two positive fractions are multiplied the product is always less than the factors.

Fraction is defined as the number of compositions that constitutes the Whole. In mathematics, fraction is a number that is expressed as a proportion, as 1/2 or 2/3. The number on the bottom represents the total number of parts of one unit, while the number on the top is the portion of the unit being considered.

here,

Let's assume an example,

1 / 8 × 1 / 9 = 1 / 72

So as we see in the above example,

1 / 8 and 1/ 9 is a positive fractions and their product is less than their own factors.

Thus, when two positive fractions are multiplied the product is always less than the factors.

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Jacinta's pattern is correct for question A.

Jacinta's pattern is not correct for question B.

A fraction is written in the form of a numerator and a denominator where the denominator is greater that the numerator.

We have two types of fractions.

Proper fraction and improper fraction.

A proper fraction is a fraction whose numerator is less than the denominator.

An improper fraction is a fraction where the numerator is greater than the denominator.

Example:

1/2, 1/3 is a fraction.

3/6, 99/999 is a fraction.

1/4 is a fraction.

We have,

Jacinta's:

Fractions are 1/3 and 1/5 (say).

Product.

= 1/3 x 1/5

= 1/15

Now,

1/15 < 1/3

1/15 < 1.5

For Question A:

We can assume that,

The fractions are 1/3 and 3/4.

Their product.

= (1/3) x (3/4)

= 3/12

= 1/4

1/4 < 1/3

1/4 < 3/4.

So,

Jacinta's pattern is correct.

For Question B.

The fractions are 2/5 and 4/7.

Their product.

= (2/5) x (4/7)

= 8/35

We see that,

8/35 < 2/5

8/35 >  4/7

So,

Jacinta's pattern is not correct.

Thus,

Jacinta's pattern is correct for question A.

Jacinta's pattern is not correct for question B.

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The complete question.

A) The two fractions are 1/3 and 3/4

B The two fractions are 2/5 and 5/7

1. <1 and <7 are supplementary.

2. <1 and <3 are supplementary.

3. <2 and <6 are congruent angles.

Supplementary angles are two angles that add up to 180 degrees. In other words, they are angles that "complete" each other, forming a straight line. If two angles are supplementary, they are said to be "supplementary to each other."

Congruent angles are angles that have the same measure. They are written with the symbol "≅" and are read as "is congruent to." Two angles are congruent if they have the same degree measure.

1. Angles 1 and 7 add up to 180 degrees, therefore, they are supplementary.

2. Also, angles 1 and 3 are supplementary.

3. Angles 2 and 6 are corresponding angles, therefore, they are congruent angles.

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Answer:

t-test is less likely to commit an error. ANOVA has more error risks. Sample from class A and B students have given a mathematics course may have different mean and standard deviation.

Step-by-step explanation:

have a nice day

Answer:

A) √(13)

Step-by-step explanation:

We can more clearly see the difference in the values of the numbers if we convert/approximate them all to a decimal form.

7/2 = 3.5

A) √(13) ≈ 3.6     > 3.5

B) ∛(27) = 3         < 3.5

C) 3.4                   < 3.5

D) π ≈ 3.1              < 3.5

From these approximations, we can see that A) √(13) is the only answer choice that evaluates to greater than 7/2.

The surface area of the cylinders are 565.2 square yards and  395.64 square cm

The formula for calculating the surface area of a cylinder is expressed as:

S = 2πr(r+h)

where

r is the radius

h is the height

1) Given that r = 6yd and h = 9yd

S = 2(3.14)6(6+9)

S = 565.2 square yd

Hence the surface area of the cylinder is 565.2 square yards

2) Given that r = 3cm and h = 18cm

S = 2(3.14)3(3+18)

S = 395.64 square cm

Hence the surface area of the cylinder is 395.64 square cm

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Using the distance, time, and speed formulas, Nicholas could only achieve the distances listed in the given times for:

The distance, time, and speed formulas show that:

Constant driving rate (Speed) = 55 mph

Distance       Time        Speed
165 miles     3 hours    55 mph (165/3)

240 miles   4 hours     60 mph (240/4)

330 miles   6 hours     55 mph (330/6)

504 miles   9 hours     56 mph (504/9)

Thus, using the distance, time, and speed formulas, we can conclude that Nicholas could not achieve the distances in B and D but only in A and C.

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The cups of smoothie mixture should be fruit is 2.4

To find how many cups of the smoothie mixture should be fruit when 4 cups of smoothie are to be made, we can use proportions.

Let's call the number of cups of fruit needed x.

So, we have

x = percentage of fruit * number of cups

Substitute the known values in the above equation, so, we have the following representation

x = 60% * 4

Evaluate

x = 2.4

Hence, 2.4 cups of the smoothie mixture should be fruit to make 4 cups of smoothie with a 60% fruit and 40% water ratio.

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The change in temperature each hour is 6 °C.

Unit rate is the amount of one quantity for a unit amount of the other quantity.

In other words it compares 1 unit of some quantity with different amount of another quantity

Given that,

In a lab, a substance was cooled by 18 °C over a period of 3 hours at a constant rate.

Since the rate at which the substance is cooling down is constant,

Amount by which substance cooled down in 3 hours = 18 °C

Amount by which substance cooled down in 1 hour = 18 °C / 3 = 6 °C, which is the unit rate.

Hence the unit rate of the change in temperature is 6 °C per hour.

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The solution to the given fraction polynomial is expressed as; (x - 4)/(x + 4)

The polynomial fraction expression is;

[(6x² - x - 1)/(3x² + 25x + 8)] * [(x² + 4x - 32)/(2x² + 7x - 4)]

Let us reduce each of the terms to their factors;

6x² - x - 1 = (3x + 1)(2x - 1)

3x² + 25x + 8 = (3x + 1)(x + 8)

x² + 4x - 32 = (x - 4)(x + 8)

2x² + 7x - 4 = (2x - 1)(x + 4)

Thus, we now have;

[(3x + 1)(2x - 1)/((3x + 1)(x + 8))] * [((x - 4)(x + 8))/(2x - 1)(x + 4))]

Common terms will cancel out to get;

(x - 4)/(x + 4)

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Answer:

450.092

Step-by-step explanation:

4 × 100 = 400

5 × 10 = 50

9 × 1/100 = 0.09

2 × 1/1000 = 0.002

400 + 50 + 0.09 + 0.002 = 450.092

Using the distance formula we can conclude that the measure of line AB is 64 units.

Distance is a measurement of how far apart two things or points are, either numerically or occasionally qualitatively.

The distance can refer to a physical length in physics or to an estimate based on other factors in common usage.

Learn how to apply the Pythagorean theorem to find the distance between two points using the distance formula.

The Pythagorean theorem can be rewritten as d=(((x 2-x 1)2+(y 2-y 1)2) to calculate the separation between any two locations.

So, the formula is:

d = √(x2-x1)² + (y2-y1)²

Now, insert values as follows:

d = √(x2-x1)² + (y2-y1)²

d = √(10-2)² + (1-9)²

d = √(8)² + (-8)²
d = √64+64

d = √128

d = 64 units

Therefore, using the distance formula we can conclude that the measure of line AB is 64 units.

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The most appropriate measure of center is median.

option B.

The choice of measure of center (i.e., the most appropriate way to summarize the "typical" value of a dataset) depends on the distribution of the data and the research question being addressed. In general, the most commonly used measures of center are the mean and the median.

The mean is the arithmetic average of a dataset, and is often used as the measure of center for datasets that follow a normal or symmetrical distribution, where the data are roughly evenly distributed around a central value.

The median, on the other hand, is the middle value of a dataset when the values are arranged in order from smallest to largest.

For the given data, it is not evenly distributed but it is arranged from the smallest to the largest, so we can use median as the most appropriate measure of center.

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The number of cups of flour that Diego uses more than Akeem will be  4 ½.

An answer to a formula is any variable value that fulfills the equal outcomes, that is, it tends to make the Left Hand Side (LHS) and Right Hand Side (RHS) of the formula equal. To solve an equation, you must locate the feasible solution) to that formula.

Akeem, Diego, and Lily are each making banana bread. Lily uses 3 ½ cups of flour more than Akeem. She uses 1 cup of flour less than Diego.

L = 3 ½ + A      ...1

L = D - 1            ...2

From equations 1 and 2, then we have

D - 1 = 3 ½ + A

D = 4 ½ + A

The number of cups of flour that Diego uses more than Akeem will be  4 ½.

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The restocking fee of item priced 180 is $10.8.

Proportion, in general, is referred to as a part, share, or number considered in comparative relation to a whole. Proportion definition says that when two ratios are equivalent, they are in proportion. It is an equation or statement used to depict that two ratios or fractions are equal.

Given that,

An item priced at 200 has a fee of 12.

An item priced at 150 has a fee of 9.

Let the restocking fee of item priced 180 be x.

Now, 200:12 :: 150:9 :: 180:x

50/3 :: 50/3 :: 180/x

50x=540

x=54/5

x=10.8

Therefore, the restocking fee of item priced 180 is $10.8.

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Answer:

x{27}=69+420

Step-by-step explanation:

Answer:

x = 2

Step-by-step explanation:

7 [tex]\frac{1}{3}[/tex] x - 5 [tex]\frac{1}{2}[/tex] = 4x + 1 [tex]\frac{1}{6}[/tex] ( change mixed numbers to improper fractions )

[tex]\frac{22}{3}[/tex] x - [tex]\frac{11}{2}[/tex] = 4x + [tex]\frac{7}{6}[/tex]

multiply through by 6 ( the LCM of 3, 2, 6 ) to clear the fractions

44x - 33 = 24x + 7 ( subtract 24x from both sides )

20x - 33 = 7 ( add 33 to both sides )

20x = 40 ( divide both sides by 20 )

x = 2

The area of the piston is 0.00065625 m².

A force can push or pull anything. An object can change its speed, direction of motion, or shape when a force is applied to it.

The amount of force acting on a given area is measured by its pressure.

Using the formula pressure = force area, pressure may be computed. As a result, a force exerted across a smaller area will result in more pressure.

Given that, force is applied to the top of a piston = 210N

And the force produces pressure = 320 kPa = 320,000 Pa

We know that, pressure = force/ area

So that, Area = force/ pressure

Area of Piston = 210 / 320,000 Pa

Area of Piston = 0.00065625 m²

So that The area of the piston is 0.00065625 m².

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