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SVETLANKA909090 [29]
2 years ago
12

Evaluate 5(x³-2)+7 when x = -2​

Mathematics
1 answer:
tamaranim1 [39]2 years ago
4 0

Answer: 5x³ - 10 should be your correct answer

Step-by-step explanation:

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What is the value of x
FromTheMoon [43]

Answer:

x = 32

Step-by-step explanation:

this is an equilateral triangle where all sides measure the same value; therefore, 2x-4 = 5y

since we are solving for 'x' we can set up this equation:

3(2x-4) = 180

6x - 12 = 180

6x = 192

x = 32

4 0
2 years ago
Which unit of weight is the best choice to measure a pen?
damaskus [11]
Grams I believe, unless you're speaking in scientific terms,then mg.
6 0
2 years ago
HELP PLEASE!!!!! 50 POINTS!!!!!!!!
ryzh [129]

Answer:

see below

Step-by-step explanation:

f(x)= -0.08x(x^2-11x+18)

Factor

f(x)= -0.08x(x-9)(x-2)

Using the zero product property to find the zeros

0= -0.08x(x-2)(x-9)

-0.8x =0    x-2 =0  x-9 =0

x=0            x=2           x=9

Multiply out

f(x) =  -0.08 x^3 + 0.88 x^2 - 1.44 x

The highest power is x^3

f(-∞) = -0.08( -∞)^3 = - ( -∞) = ∞

As x goes to -∞  f(x) goes to +∞

f(∞) = -0.08( ∞)^3 = - ( ∞) = -∞

As x goes to ∞  f(x) goes to -∞

5 0
3 years ago
An airplane's altitude changes -378 feet over 7 minutes. What was the mean change of altitude in feet per minute?
Sveta_85 [38]
<h2>Answer:</h2>

<u>The mean altitude will be</u><u> -54 per minute</u>

<h2>Step-by-step explanation:</h2>

We are given with altitude change as -378 feet over 7 minutes

Now

We need feet per minute

So -378 / 7 will give us the altitude change per minute

-378 / 7 = -54

Therefore the mean change of altitude in feet per minute is -54 per minute

8 0
3 years ago
How is 6 to the 5 power written in factored form
yarga [219]

Answer:

6^5

Step-by-step explanation:

Six to the power five is written as factorized form is 6^5 or 6*6*6*6*6

5 0
3 years ago
Read 2 more answers
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