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disa [49]
3 years ago
12

A + 12.5 = 20 Solve the following equation and show work

Mathematics
2 answers:
makkiz [27]3 years ago
5 0
A + 12.5 = 20
- 12.5 -12.5
———————
A = 7.5
The answer is 7.5
vova2212 [387]3 years ago
5 0
A = 7.5


What you do is add .0 to 20 so you can subtract 20.0 - 12.5. Below is how you would solve it. That’s how you get 7.5

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What’s the length of the hypotenuse in inches?
natta225 [31]

Answer:

The hypotenuse is 25 inches.

Step-by-step explanation:

This is a right triangle, so the Pythagorean Theorem applies.

I will assume you know about the Pythagorean Theorem, therefore I will not define it.

Here, I am solving for the hypotenuse.

a^2+b^2=c^2

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5 0
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If C is between A and B, then answer the following if AB=40, AC= 2x+10, CB= 3x-5
Marat540 [252]

If C is between A and B, then, we can write the equation

AB = AC + CB


Substitute the value of AB and the expressions for AC and CB in terms of x.


40 = (2x+10)+(3x-5)


We can now solve for x.



40-10+5= 2x+3x



35=5x


Dividing by 5.


7=x


AB=40



AC=2(7)+10



AC=14+10



AC=24




BC=3(7)-5



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BC=16



6 0
4 years ago
Is 2.8 greater than or less than 2.78? Pls answer
KengaRu [80]
2.8 is greater than 2.78 :)


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7 0
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Effectus [21]

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