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Fynjy0 [20]
3 years ago
7

Please help me with this question step by step. A rectangle has a width of 2x exponent 2 +4x+1) and a length of (8-x). What is t

he function for the area of the rectangle?
Mathematics
1 answer:
timurjin [86]3 years ago
6 0

Answer:

A = (2x² + 4x + 1) (8 − x)

A = -2x³ + 12x² + 31x + 8

Step-by-step explanation:

W = 2x² + 4x + 1

L = 8 − x

Area is width times length.

A = (2x² + 4x + 1) (8 − x)

If you wish, you can simplify with distribution.

A = 8 (2x² + 4x + 1) − x (2x² + 4x + 1)

A = 16x² + 32x + 8 − 2x³ − 4x² − x

A = -2x³ + 12x² + 31x + 8

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mariarad [96]

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D.  slope: 3

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Step-by-step explanation:

8 0
3 years ago
What is 90% of 50? Someone please help. I have to write this for my question to get a good answer.
irina1246 [14]
45÷50=90%
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8 0
3 years ago
Read 2 more answers
In which expression is the number 5 a factor?<br>A. z+5<br>B. z-5<br>C.5z<br>D.5/z​
LenaWriter [7]

The correct answer is: C.5z

Further explanation:

A factor is a number that is multiplied with a number

Let us look at the options one by one

<u>A. z+5</u>

5 is not a factor as it is being added to z.

<u>B. z-5</u>

5 is not a factor as it is being subtracted from z.

<u>C.5z</u>

5 is a factor as it is being multiplied with the z and can be separated easily

Hence,

The correct answer is: C.5z

Keywords: Factors, Multiple Choice

Learn more about factors at:

  • brainly.com/question/12884373
  • brainly.com/question/12896802

#LearnwithBrainly

4 0
3 years ago
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sp2606 [1]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
Green River State Park has two popular hiking trails: Overlook Trail and High Ridge Trail. On one particular day, 80 hiking grou
Kipish [7]

Answer:

B. Events H and C are dependent and P(H|C) < P(C|H)

Step-by-step explanation:

The ratios of groups with children to hiking groups on the trail are different for the two trails.

P(H|C) = 15/45 = 1/3

P(C|H) = 15/40 = 3/8

1/3 < 3/8 so the comparison of choice B is appropriate.

4 0
3 years ago
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