please help will give brainliest

Zachary's car used 15 gallons to travel 645 miles. At what rate does the car use gas, in miles per gallon?

On the double number line below, fill in the given values, then use multiplication or division to find the missing value.

9514 1404 393

Answer:

  (c)  π/2

Step-by-step explanation:

We know the sine of an angle is the cosine of its complement, and vice versa. The complement of angle x is (π/2-x), so ...

  sin(π/2 -x) = cos(x)

This is shown by the attached graph.

Answer:

light

Step-by-step explanation:

it has kinetic energy

Answer:

Step-by-step explanation: Kinetic energy is made because of movement. So Motion would be the correct answer

Answer:

come back

Step-by-step explanation:

Answer:

the second one 220 and 110

Step-by-step explanation:

220*25+110*18

Answer:

the answer is B. 220 adult,110 youth

Step-by-step explanation:

Hope this helps

Answer:

need needed need need need need need need need

Step-by-step explanation:

points

The absolute value of m is equal to the positive distance between m and 0.

Value is an important concept in economics, finance, and accounting. It is the worth of a thing, such as a product, service, or currency. Value can be determined by the amount of goods or services it can exchange for, or the amount of money it can produce. Value is subjective, so it is up to the individual to decide what is valuable to them. Value is also a measure of the relative worth of a good or service, and it can have an effect on the price of a good or service. Value is an important concept to understand in economics, finance, and accounting.

The absolute value of m can be calculated by taking the distance between m and 0, regardless of whether m is negative or positive. For example, if m is -7, the absolute value of m is 7, since the distance between -7 and 0 is 7. If m is 3, then the absolute value of m is also 3, since the distance between 3 and 0 is also 3.

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The absolute value of m is equal to the positive distance between m and 0.

Value is an important concept in economics, finance, and accounting. It is the worth of a thing, such as a product, service, or currency. Value can be determined by the amount of goods or services it can exchange for, or the amount of money it can produce. Value is subjective, so it is up to the individual to decide what is valuable to them. Value is also a measure of the relative worth of a good or service, and it can have an effect on the price of a good or service. Value is an important concept to understand in economics, finance, and accounting.

The absolute value of m can be calculated by taking the distance between m and 0, regardless of whether m is negative or positive. For example, if m is -7, the absolute value of m is 7, since the distance between -7 and 0 is 7. If m is 3, then the absolute value of m is also 3, since the distance between 3 and 0 is also 3.

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Answer:

[tex]x=15[/tex]

Explanation:

Solving the inequality for x would give you [tex]x>9[/tex], therefore, [tex]x=15[/tex] would be the only option. While you might think [tex]x=9[/tex] should also be a solution, it would only be one if [tex]x\geq 9[/tex].

Hope this helps! :)

9514 1404 393

Answer:

  (d)  923.16 mm³

Step-by-step explanation:

The volume can be found by putting the given numbers into the volume formula.

  V = 1/3πr²h

  V = 1/3(3.14)(7 mm)²(18 mm) = 923.16 mm³

The equation that correctly solves the formula of r is r = [tex]\sqrt{\frac{A}{4\pi } }[/tex]

The concept here is the concept of subject of the formula.

The variable being calculated is the formula's subject. On one side of the equals sign, it is identifiable as the letter on its own. For instance, the subject of the formula for the area of a rectangle is A = b h (area = base height).

The formula given was A=4πr^2h, then we can r the subject of the formula as

r^2 = A /4π

Then r = [tex]\sqrt{\frac{ A }{4\pi } }[/tex]

Therefore, option B iscorrect.

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missing options:

A) r = 4πA B) r = A 4π C) r = A 4π D) r = A 4π

Answer:

250m² drawing a model or visualizing it would help

Julian uses ordered pairs to record the temperature variations over time during a chemistry experiment (time in minutes, temperature in °C). (0, 15), (5, 20), (10, 50), (15, 80), (20, 100), (25, 100) (25, 100).

It is the cause that is the independent variable. Its worth is unrelated to other study variables. The effect serves as the dependent variable. The independent variable's modifications determine its value. It is a thing that is dependent on other things. The amount of study you did, how much sleep you had the night before the test, or even how hungry you were when you took it.

Could all affect your test result, which makes it a dependent variable. The dependent variable is impacted by the independent variable. For instance, your exam results are influenced by how much sleep you get (an independent variable) (dependent variable). This is understandable, but Ex. How much sleep you get depends on your test results.

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Answer: 2 gallons of syrup per batch

Step-by-step explanation:

12/6=2

Answer:

A.

Step-by-step explanation:

answer A. 14 minutes is your answer

Step-by-step explanation:

since the 2 shapes are similar then their sides are proportional

9/18= j/90

then j equals 45

Answer:

23

Step-by-step explanation:

because m is the midpoint and it divides line uw in two equal parts

This is because for any parallelogram, the diagonals always bisect each other. This means the diagonals cut each other in half. The two halves are the same length. This is why UM = MW. It also means TM = MV.

Answer: 1200 apples

Divide 100% by 35% to get the multiplier 2.85714285714 (35(s) within 100), and then multiply that by 420 apples to get 1200 apples.

Answer:

(-1,-3) and (-1,7)

Step-by-step explanation:

The x axis remains at the point -1 so u must see the -3 and 2 or the 7 and 2 which means both are correct . I’m not confident this is right but I tried.

Answer:

(-1,7)

(-1,-3)

(-6,-2)

Step-by-step explanation:

Answer:

its the answer

Step-by-step explanation:

the answer to the question is the answer

hehe

Answer:

C

Step-by-step explanation:

The number of hours to fill the pool will be 180. Then the correct option is C.

Algebra is the study of graphic formulas, while logic is the interpretation among those signs.

The table below shows how the number of hours needed to fill a pool depends on the flow rate of the hoses used to fill it.

Flow rate (gal/hr)                   Time (hours)

           x                                          y

         60                                       300

         45                                       400

         36                                       500

         30                                       600

Then the amount of liquid in the pool will be

⇒ 60 x 300

⇒ 18,000 gallons

If this much liquid is filled with hose that has a rate of 40 gallons per hour, then the number of hours will be

⇒ 18,000 / 40

⇒ 450 hours

Then the number of hours if two hoses are used to fill the pool that one has a rate of 40 gallons per hour and one has a rate of 60 gallons per hour will be

1/T = 1/450 + 1/300

1/T = 1 / 180

  T = 180 hours

Then the number of hours to fill the pool will be 180.

Then the correct option is C.

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Answer:

it is not always true that 75% of a number will be greater than 50% of any other number

Step-by-step explanation:

Leila's statement is not true. It is possible for 50% of a number to be greater than 75% of another number.

For example, consider the numbers 10 and 100. 50% of 10 is 5, and 75% of 100 is 75. In this case, 50% of 10 (5) is greater than 75% of 100 (75).

Here's another example: 50% of 20 is 10, and 75% of 30 is 22.5. In this case, 50% of 20 (10) is again greater than 75% of 30 (22.5).

Therefore, it is not always true that 75% of a number will be greater than 50% of any other number.

Step-by-step explanation:

To find the GCD or GCF of two numbers , you should:

Answer:

-5

Step-by-step explanation:

Answer: 5

Step-by-step explanation:

negative times negative equals positive

Answer:

19.25 cm.

Step-by-step explanation:

I multiplied 7.7 by 2.5 and got 19.25 cm. Plus, you should have a higher chance of getting it right since it measures 7.7 cm in length

(For the people who need the actual answer, It's 19.25 ft.)

Answer: 109 it says 109 in the corner of b and d

Answer:

How are algebraic expressions used to represent and solve problems?

The purpose of solving an algebraic expression in an equation is to find the unknown variable. When two expressions are equated, they form an equation, and therefore, it becomes easier to solve for the unknown terms. To solve an equation, place the variables on one side and the constants on the other side.

Step-by-step explanation:

How can you use algebraic expressions to solve problems?

To solve an algebraic word problem:

1. Define a variable.

2.Write an equation using the variable.

3.Solve the equation.

4.If the variable is not the answer to the word problem, use the variable  

   to calculate the answer.

How are algebraic expressions applied in real life situations?

utilizing linear algebra, and this uniqueness starts to expose a lot of applications. Other real-world applications of linear algebra include ranking in search engines, decision tree induction, testing software code in software engineering, graphics, facial recognition, prediction and so on.

What is algebraic expression why it is used in mathematics?

In mathematics, an algebraic expression is an expression built up from integer constants, variables, and the algebraic operations (addition, subtraction, multiplication, division and exponentiation by an exponent that is a rational number). For example, 3×2 − 2xy + c is an algebraic expression.

Answer:

120000/600

200 is your answer