What is the perimeter of this triangle 3x+10, x-7

Mathematics

2 answers:

Nostrana [21]3 years ago

5 0

Answer:

ther I hope its right

Step-by-step explanation:

(12x - 7). ... 7= 3 X-3. 8x + 4. 10x² +14x4. 6. (-4x2 - 6x - 1) = (5x2 + 2x + 8). 3x-3. -9x² - 4x-9. 12.

Aleks04 [339]3 years ago

4 0

A triangle has 3 sides. You provided the length of 2 sides. Where's the third side?

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1. CAN SOMEONE PLEASE HELP ME, I'M NOT GOOD IN MATH.<br>explain your work

pentagon [3]

Answer:

Step-by-step explanation:

Triangle BDC is a right triangle (If you dont understand I can explain in depth). Since it's a right triangle, we can use the pythagorean theorem to find the length of BD. The pythagorean theorem states that the length of the smaller legs squared = the longest side squared. So we can set up the equation $9^{2}$ + $x^{2}$ = $15^{2}$ where x is the length of the missing side (BD). If we were to solve for x, (I think you should know how to do this but if not I can explain), you get 12