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skelet666 [1.2K]
3 years ago
10

Write a proportion that could be used to solve for each variable. Then solve.

Mathematics
1 answer:
Sati [7]3 years ago
5 0
<span>16 walls in 40 hours 
3 walls in h hours

16/40 = 3/h

16h = 40(3)
16h = 120
h=120/16
h=7.5

answer: </span><span>3 walls in 7.5 hours</span>
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−14 + 6x + 7 − 2x = 1 + 5x<br> please answer this problem with work
maksim [4K]
Let's solve your equation step-by-step.<span><span><span><span><span>− 14 </span>+ <span>6x </span></span>+ 7</span> −<span> 2x </span></span>=<span> 1 + <span>5x</span></span></span>
Step 1: Simplify both sides of the equation.<span><span><span><span><span>−14 </span>+ <span>6x </span></span>+ 7 </span>− <span>2x </span></span>=<span> 1 +<span> 5x</span></span></span><span>
Simplify: </span><span><span><span>4x - </span><span>7 </span></span>= <span><span>5x</span> + 1</span></span><span><span><span>4x</span> − 7</span>= <span><span>5x </span>+ 1</span></span>
Step 2: Subtract 5x from both sides.<span><span><span><span>4x</span> − 7</span> − <span>5x </span></span>= <span><span><span>5x </span>+ 1</span> −<span> 5x</span></span></span><span><span><span>− x </span>− 7 </span>=1 </span>
Step 3: Add 7 to both sides.<span><span><span><span>−x </span>− 7</span> + 7</span>=<span> 1+7</span></span><span><span>−x</span>=8</span>
Step 4: Divide both sides by -1.<span><span><span>‌<span><span>−x/</span><span>−1 </span></span></span>‌</span>=<span><span>‌<span> 8/<span>−1</span></span></span>‌</span></span><span>x=<span> −8</span></span>
Answer:<span>x= <span>−<span>8
hope this helps :)</span></span></span>
6 0
3 years ago
How do you figure out what 1/5 off of $14.99 is
mihalych1998 [28]
You divide 14.99 by 5 which is 2.998. 1/5 off of 14.99 would be $ 11.99 rounded, because you subtract the 2.99 on 14.99
7 0
3 years ago
Read 2 more answers
Find the value of the variable in the triangle below. Round decimal answers to the nearest tenth.
Sergeeva-Olga [200]

Answer: 7.5

Step-by-step explanation:

use pythagorean theorem

13^2 + b^2 = 15^2

- 13^2

b^2 = 56 - square root

= 7.5

8 0
3 years ago
Read 2 more answers
Fill in the missing numbers to complete the pattern:<br><br> 5.81, ,5.91,5.96, ,6.06
zimovet [89]
You’re going to be adding by .05

so the first one would be 5.86 and the second one would be 6.01

hopefully this helps!
4 0
3 years ago
What is 12/3 as an improper fraction?
labwork [276]
C. 5/3  this is wat i got
6 0
3 years ago
Read 2 more answers
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