Question

What is the value of x? Round to the nearest tenth

A.
24.8

B.
14.6

C.
10.2

D.
5.9


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Answer 1

Do u know the Pythagorean theorem?

Answer 2

not really

Answer 3

a2 + b2 = c2

Answer 4

c = your hypotenuse which is the longest line

Answer 5

ok ill work it out

Answer 6

i got 617

Answer 7

hang on one sec

Answer 8

the equation would be 16^2 + x^2 = 19^2

Answer 9

square all the numbers in the equation and tell me what u get

Answer 10

oh ok

Answer 11

you want me to tell u?

Answer 12

im almost done

Answer 13

k

Answer 14

i got 98.8190799

Answer 15

ok so im not sure what u did lol but what u do is u just square the numbers 256 + x^2 = 361 do u understand how i got to this point?

Answer 16

yea not really

Answer 17

ok um

Answer 18

16 squared = 256 and 19 squared = 361 and x squared still just equals x squraed

Answer 19

and you put them back in the equation 256 + xsquared = 361

Answer 20

did that help?

Answer 21

yes

Answer 22

ok so you know how to do inverse operations right?

Answer 23

yes

Answer 24

ok so you would do that and then get x^2 = 105

Answer 25

understand?

Answer 26

yes

Answer 27

ok so whats the opposite of squaring a number?

Answer 28

Square root?

Answer 29

yes

Answer 30

so you would square root 105 and then that would be your answer

Answer 31

tell me what you get when you do that

Answer 32

i got 10.2

Answer 33

yep :)

Answer 34

good job

Answer 35

Thank you :)

Answer 36

np :P