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AlexFokin [52]
3 years ago
12

A copy machine makes 28 copies per minute. How many copies does it make in 3 minutes and 45 seconds?

Mathematics
1 answer:
lina2011 [118]3 years ago
4 0
<u>Convert minutes and seconds to minutes:</u>
\text{3 mins 45 seconds} \longrightarrow 3 \dfrac{3}{4} \text{mins}


<u>FInd 3 3/4 mins:</u>
\text{1 min} \longrightarrow 28 \text{ copies}

3  \dfrac{3}{4} \text{ min} \longrightarrow 28 \times 3\dfrac{3}{4} \text{ copies}

3  \dfrac{3}{4} \text{ min} \longrightarrow 28 \times \dfrac{15}{4} \text{ copies}

3  \dfrac{3}{4} \text{ min} \longrightarrow 105 \text{ copies}

Answer: It can make 105 copies.

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9(x+3)=4x-3 I need to use the distributive property to solve
algol [13]

Answer:

x= 6

Step-by-step explanation:

8 0
3 years ago
Find the length of a leg of a right triangle (in inches) if the other leg measures 9 in. and the hypotenuse measures 19 in. Roun
kipiarov [429]

Answer:

a = 16.733

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2

a^2 + 9^2 = 19^2

a^2 = 19^2 - 9^2

a^2 = 361-81

a^2 =280

Taking the square root of each side

sqrt(a^2) = sqrt(280)

a = 16.73320053

Rounding to the nearest thousandth

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5 0
3 years ago
Could someone please help? They don’t need to be solved I just need help with the translating.
Lorico [155]

Answer:

I won't solve i'll translate like you asked

Step-by-step explanation:

13) x - 5 = 21

14) 12 × y = 48

15) b + 10 = 13

If you want I can solve.

HOPE THIS HELPED

5 0
3 years ago
Solve the equation 13-2x=-7
patriot [66]
Subtract 13 from both sides.

-13
-7 = -20

-2x = -20

Divide by 2 on both sides.
Remember: Negative divided by a negative makes a positive.

-2/-2 = 1
-20/-2 = 10

Your answer:
x = 10

8 0
3 years ago
Read 2 more answers
What is the value of the expression All of 2.8 multiplied by 10 to the power 7 over all of 1.4 multiplied by 10 to the power 3?
ANEK [815]
Expression: 2.8 * 10⁷ / 1.4 * 10³

= 2 * 10⁷⁻³

= 2 * 10⁴

In short, Your Answer would be: Option A

Hope this helps!
6 0
3 years ago
Read 2 more answers
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