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White raven [17]
3 years ago
6

4a² + 8a -100 Factor

Mathematics
1 answer:
nlexa [21]3 years ago
8 0
This is not factorable. It can be easily tested using the radicand expression of the quadratic equation. (Perfect square= Factorable, No Perfect= Not Factorable.)
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Michael bought a shirt with 2/5 of his money. Then he bought a jacket that cost $5 more than the shirt. He spent $105 altogether
TEA [102]

Answer:

vb hyjv bnhyn g

Step-by-step explanation:

8 0
3 years ago
I was taught how to do these I just don’t remember how to-3(4x+5)-2(-5x+8)
frosja888 [35]

Answer:

- 2x - 31

Step-by-step explanation:

Given

- 3(4x + 5) - 2(- 5x + 8)

Multiply the terms in the first parenthesis by - 3 and the terms in the second parenthesis by - 2

= - 12x - 15 + 10x - 16 ← collect like terms

= (- 12x + 10x) + (- 15 - 16)

= - 2x - 31

6 0
3 years ago
A sphere has a radius of 2.1 cm. what is the volume of sphere in cm3 (use 3.14 for π? round to the nearest whole number.
Ket [755]
2.1 squared is 4.41, 4.41 times 3.14 is 13.84, 13.84 times 4/3 is 18.46.
your answer is 18.46 cm3
5 0
3 years ago
What is an equation of the line that passes through the points (0,2) and (5,8)
motikmotik

Answer: y=\frac{6}{5}+2

Step-by-step explanation:

<em>This is y intercept form</em>

First you find the slope

Then you find the y intercept and plug it in t the equation y=mx+b

5 0
3 years ago
SOLVE. integration of (1-v) /(1+v^2)
Marta_Voda [28]
I think you have to first separate the integral:1/(1+v^2) + v/(1+v^2),
so the integral of the first term is ArcTan (v) and for the integral of the second term i recommend you to do a change of variable:

y= 1+v^2
 so
 dy= 2v
 and
v= dy/2and then you substitute:v/(1+v^2) = (1/2)(dy/y)
and the integral is
 (1/2) (In y)finally you plug in the initial variables:

(1/2)(In [1+v^2])

so the total integral is:

ArcTan (y) + (1/2)(In [1+v^2])
6 0
3 years ago
Read 2 more answers
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