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almond37 [142]
3 years ago
13

I’m confused on this but wouldn’t it be D?

Mathematics
2 answers:
brilliants [131]3 years ago
5 0
Yes it would be d. Is the correct answer
Alex Ar [27]3 years ago
3 0
Yes it would be Letter D
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Given z(x)=6x^3+bx^2-52x+15, z(2)=35, and z(-5)=0, algebracically determine all the zeros of z(x)
Furkat [3]
One way is to sub those values for x
when x=2, z(x)=35

35=6(2)³+b(2)²-52(2)+15
35=48+4b-104+15
35=4b-41
add 41 to both sides
76=4b
divide by 4
19=b

z(x)=6x³+19x²-52x+15

and z(-5)=0
that means (x+5) is a factor

divide using synthetic division or something
(6x³+19x²-52x+15)/(x+5)=6x²-11x+3
factor
6x²-11x+3=(2x-3)(3x-1)
set each to zero
2x-3=0
2x=3
x=3/2

3x-1=0
3x=1
x=1/3


th zeroes are at x=-5, 1/3, 2/3
5 0
3 years ago
Why is substitution sometimes more helpful than elimination?
ExtremeBDS [4]
 Substitution<span> method is not better or worse </span>than<span> any other method of solving ... </span>Sometimes substitution<span> can be easier </span>than<span> using </span>elimination<span> or graphing. ... Maybe you would like to learn </span>more<span> about one of these?</span>
5 0
4 years ago
HELP
MrMuchimi

Answer:

1. 380.13

2. 254.47

3. 254.47

4. 153.94

Step-by-step explanation:

Since its a hassle to explain how to solve all 4 problems I'll explain how to solve one of them

For example #1

To solve this:

Use formula A=πr2

Input the radius into the equation

A=π·11²

Multiply all the values

A= 380.13

3 0
3 years ago
Answer this and ill give brainliest and help back
ratelena [41]

Answer:

6

Step-by-step explanation:

now halp meh

7 0
3 years ago
Read 2 more answers
Find the equation of a line with a slope of −2 and a​ y-intercept of ​(0,o).
kari74 [83]
The equation should be y=-2x .
6 0
4 years ago
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