One way:

3x + 4x + 5 x = 30
12 x = 30
Divide by 12
x = 2.5

3x = 7.5 (2.5x3)
4x = 10 (2.5x4)
5x = 12.5 (2.5x5)

7.5cm + 10cm +12.5cm = 30cm There are your three sides.

7 0

3 years ago

15 POINTS.LAW OF COSINES.ANSWER WITH EXPLANATION.ILL GIVE BRAINLEST

Rzqust [24]

$\text{Welcome!}\\\\\text{Your equation should look like:}\\c = \sqrt{a^2 + b^2 - 2 \a \ b\ cos Y} \\c = \sqrt{55^2 + 50^2 - 2 * 55 * 50 * cos (90 \ degrees)\\ \\\fbox{ c = 74.33034}\checkmark$

8 0

3 years ago

Read 2 more answers

Travis is temporarily not working while his office is being remodeled. He

Gwar [14]

I believe the answer is B.
Because he can not afford to to pay them at the moment but he will be able to pay them when they are done and he gets to go back to work

8 0

4 years ago