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3 years ago

Valerie earns $24 per hour. Which expression can be used to show how much money she earns in 7 hours?

Mathematics

2 answers:

UkoKoshka [18]3 years ago

7 0

The answer is B) (7x20) + (7x4)

Ipatiy [6.2K]3 years ago

3 0

The answer is B (7•20)•(7+4)

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Two lengths are in ratio 7:8.if the first length is 273. What amount is the second length

Sergio [31]

Answer:

312

Step-by-step explanation:

Since the ratio is 7:8, mark it as 7x:8x.

Now, they said that the first length is 273. Solve the equation:

7x=273

x=39

Substitute it into 8x. 39*8=312. That's your answer.

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Step-by-step explanation:

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2 years ago

The face of a clock has a circumference of 63 in. What is the area of the face of the clock?

ryzh [129]

Answer:

The area of the clock $= 315.41\ inch^{2}$

Step-by-step explanation:

We have been given the face of the clock that is $63\ in$

So that is also the circumference of the clock.

Since the clock is circular in shape.

So $2\pi(r)=63\ inch$

From here we will calculate the value of radius $(r)$ of the clock that is circular in shape.

Then $2\pi(r)=63\ inch =\frac{63}{2\pi} = 10.02\ in$

Now to find the area of the clock we will put this value of (r) in the equation of area of the circle.

Now $\pi (r)^{2}=\pi(10.02)^{2}=315.41\ in^{2}$

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2 years ago

The measure of angle FGJ is 25°.

ivanzaharov [21]

Answer:

50+25=75+x=75x

Step-by-step explanation:

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1 year ago