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bearhunter [10]

3 years ago

9

The area of a box is 63 sq. Inches. the length is 9 feet. what is the width

2 answers:

telo118 [61]3 years ago

7 0

Area = Length x Width

63 = 9 x width

Width= 63 ÷ 9 = 7 feet

Answer: 7 feet

liraira [26]3 years ago

5 0

<em>Hello there, and thank you for posting your question here on brainly.

<u>Short answer: 7
</u>
Why?

We can put this problem into an equation. Since it's a multiplication problem, we divide the known numbers. (It can either be 9 * x = 63, or 63 / 9) Divide. (63 / 9 ==> 7) The answer is 7.

Hope this helped you! ♥</em>

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Divide 128 chairs among 3 rooms in the ratio of 1 : 3 : 4.

Alex_Xolod [135]

Answer:

Step-by-step explanation:

1x+3x+4x= 128

8x=128

x=128/8

x=16

therefore,

room 1 = 1x

= 1*16=16

room 2 = 3x

=3*16=48

room 3 = 4x

=4*16=64

PLS MARK BRAINLIEST, THNX

6 0

3 years ago

There are two numbers, one is 7 more than twice the other. The sum of the numbers is 43. Make the equation to find the smaller n

Mrrafil [7]

Answer:

Smaller number: 12

Greater number: 31

Step-by-step explanation:

Hi there!

Let x equal to the smaller number.

Let y be equal to the greater number.

<u>1) Translate the information into equations</u>

"One is 7 more than twice the other"

⇒ $y=2x+7$

"The sum of the numbers is 43"

⇒ $x+y=43$

<u>2) Use substitution to solve for the smaller number</u>

$x+y=43$

Plug the equation $y=2x+7$ into the above equation

$x+(2x+7)=43\\x+2x+7=43\\3x+7=43$

Subtract both sides by 7

$3x+7-7=43-7\\3x=36$

Divide both sides by 3 to isolate x

$\frac{3x}{3} = \frac{36}{3} \\x=12$

Therefore, the smaller number equates to 12.

<u>3) Use substitution to solve for the greater number</u>

$x+y=43$

Plug in x as 12

$12+y=43$

Subtract both sides by 12 to isolate y

$12+y-12=43-12\\y=31$

Therefore, the greater number equates to 31.

I hope this helps!

3 0

3 years ago

Math please help 10 points!

gizmo_the_mogwai [7]

Answer:

Step-by-step explanation:

$average= \frac{sum of scores}{number of tests}$

$80= \frac{79+81+77+x}{4}$

80 x 4 = 79+81+77+x

320=237 + x

320-237 = x

83=x

so Marianne must score 83 points or higher on her last test

8 0

4 years ago

Y´+2xy=0 C(e) C(0)=10<br> y=C(x)

zlopas [31]

Your answer would be 120

7 0

3 years ago

Where is the number 5 − 9 located on a horizontal number line? (1 point)

taurus [48]

9 units to the left of 5.

3 0

3 years ago