Use the Pythagorean Theorem to solve for x.
a.4.7
b.7.5
c.8,1
d.19.8

B: 7.5

Step-by-step explanation:

Use the formula a²+b²=c² to calculate. a=x b=13 c=15. Simply plug in the numbers to the coresponding letters

a²+13²=15²

a²+169 = 225

   -169    -169

      a²= -56

a = 7.5

b

Step-by-step explanation:

so we now a and b are the legs let's say a=13 and b=x/? we also have c=15 which is the hypotenuse. let's get started.

a²+b²=c²

13²+x²=15²

169+x²=225

225-169=56

x²=56

so we square root both of them.

x=7.5 rounded

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step-by-step explanation:

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.