Answer:
(3x-4)(x-5)
Step-by-step explanation:
This is in the form
ax²+bx+c.
To factor this, we find factors of a·c that sum to b; this means factors of 3(20) = 60 that sum to -19:
60 = 1(60) or -1(-60); 2(30) or -2(-30); 3(20) or -3(-20); 4(15) or -4(-15); 5(12) or -5(-12); 6(10) or -6(-10). The only of these that sum to -19 are -4 and -15. This means we will split up -19x into -4x and -15x:
3x²-4x-15x+20
Next we group the first two terms and the last two terms:
(3x²-4x)+(-15x+20)
Factor out the GCF of each group. For the first group, this is x:
x(3x-4)
For the second group, this is -5:
-5(3x-4)
The common factor for these two groups is (3x-4):
(3x-4)(x-5)
Direction: Opens UpVertex: <span><span>(<span><span>−4</span>,<span>−6</span></span>)</span><span><span>-4</span>,<span>-6</span></span></span>Focus: <span><span>(<span><span>−4</span>,<span>−<span>478</span></span></span>)</span><span><span>-4</span>,<span>-<span>478</span></span></span></span>Axis of Symmetry: <span><span>x=<span>−4</span></span><span>x=<span>-4</span></span></span>Directrix: <span>y=<span>−<span><span>498</span></span></span></span>
Answer:
hope this helps buddy, please mark the brainliest.
Step-by-step explanation:
The answer is
<span>C) Samara’s sample is random because she asks the first 10 people she sees.
</span>
Answer:
15 1/12 feet
Step-by-step explanation:
Well if he descended 8 1/3 feet below the water, that means he must've went from board to water which is 6 3/4 feet then down 8 1/3 feet
6 3/4 + 8 1/3
= 6 9/12 + 8 4/12
=15 1/12 feet
