$\bold{Q1}\\\\5x^2-50x+120=5(x^2-10x+24)=5(x^2-6x-4x+24)\\\\=5\bigg(x(x-6)-4(x-6)\bigg)=5(x-6)(x-4)\\\\\bold{Q2}\\\\64x^2-1=(8x)^2-1^2=(8x-1)(8x+1)\\\\\text{Used}\ a^2-b^2=(a-b)(a+b)$

8 0

3 years ago

Read 2 more answers

Find the perimeter of the right triangle. If necessary, round to the nearest tenth.

puteri [66]

Answer:

a. 12 yd

Step-by-step explanation:

$\sqrt{ {15}^{2} - {9}^{2} } = 12$

7 0

3 years ago

Help due tonight!!

nata0808 [166]

Answer: 120 cm

Step-by-step explanation:

V = a^2 h/3

8 0

2 years ago

Can you please tell me the first 20 digits of pi. I need o memorize them for a test

Andrew [12]

3.14159265358979323846

5 0

3 years ago