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ratelena [41]
3 years ago
11

PLEASE HELP :(

Mathematics
1 answer:
Mrrafil [7]3 years ago
5 0
Is the mean deviation

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Suppose you know that the volume of the following prism is represent by V(x) = -2x^3 + 14x^2 + 120x.
erastova [34]

Step-by-step explanation:

-2x³ + 14x² + 120x

= -2x(x² - 7x - 60)

= -2x(x - 12)(x + 5).

The other 2 dimensions are -2x and (x + 5).

When using a graphing calculator to maximise the volume of the prism, we get x = 7.378. However this value is not reasonable as it makes -2x and (x - 12) negative, which are the sides of the prism.

8 0
2 years ago
What is the factored form of this expression? 4t2 − 27t + 18
seraphim [82]

Answer:

(4t − 3) (t − 6)

Step-by-step explanation:

Using AC method:

Given a quadratic ax² + bx + c, find factors of ac that add up to b.  Divide those factors by a and reduce.  The denominators become the coefficients and the numerators become the constants.

Here, a = 4, b = -27, and c = 18.

ac = 4 × 18 = 72

Factors of 72 that add up to -27: -3 and -24

Divide factors by a: -3/4 and -24/4

Reduce: -3/4 and -6/1

So the factored expression is:

(4t − 3) (t − 6)

5 0
3 years ago
What part of the expression 4(x+3) is a factor
makkiz [27]
4,x,3,and (x+3)
i think
5 0
3 years ago
4y-28 pls help find y value
mina [271]

Answer:

4y-28 = 0

4y = 28

y=28/4

y = 7

5 0
2 years ago
Read 2 more answers
What is the transformation of f(x)=- (x + 2)2- 4
pychu [463]

Answer: x=0

Step-by-step explanation: f(x)=(x+2)x2-4

                                               0=2x+4-4

                                                0=2x

                                                 2x/2=0

                                                  0/2=0

                                             x=0

6 0
2 years ago
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