2 years ago

Ignore my 1st one! Find the value of x.

Mathematics

2 answers:

elixir [45]2 years ago

7 0

12^2+x^2=15^2
144+x^2=225
- 144 -144
=81= 9
X=9

cupoosta [38]2 years ago

7 0

Answer:

x=9

Step-by-step explanation:

Use Pythagorean Theorem -> a^2 + b^2 = c^2

a^2 + b^2 = c^2

(12^2) + b^2 = (15^2)

144 + b^2 = 225

225 - 144 = 81

√81 = 9

x = 9

You might be interested in

runners in a marathon are randomly assigned to one of ten corrals to start, and each given a green, blue, or red shirt to wear.

OleMash [197]

Answer:

There isn't a question

Step-by-step explanation:

8 0

2 years ago

Please help me with this and thank you

katovenus [111]

Answer:

The answer is D

Step-by-step explanation:

(12 + 6) x ( 11 - 7) = 72

18 x 4 = 72

72 = 72

5 0

3 years ago

Read 2 more answers

7x + 4 = 7x + 4

Kazeer [188]

Infinitely many because if you subtract 7x from both sides, you get 4 = 4, which is true at all times no matter what x is.

3 0

3 years ago

16x what equals -112

fiasKO [112]

Answer:

-7

Step-by-step explanation:

16x=-112

x=-112/16

x=-7

PLS GIVE BRAINLIEST

5 0

2 years ago

A formula is expressed as D= a(2+kt). Express k in the terms of D, a and t? (Show work)

Mariulka [41]

$SIMPLIFIED \: \: ALGEBRA \\ \\ \\\\We \: are \: given \: - \\ \\ \: \\ D \: = \: a \: ( \: 2 + kt \: ) \\ \\ D \: = \: 2a \: + \: akt \: \\ \\ D \: - \: 2a \: = \: akt \: \\ \\ \frac{D \: - \: 2a}{at} \: = \: k \\ \\ \\ Therefore \: , \: in \: terms \: of \: D \: , \: \: a \:, \: \: and \: \: t \: \\ \\ k \: = \: \frac{D - 2a}{at \: } \: \: \: \: \: \: \: Ans.$

7 0

2 years ago