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bearhunter [10]
3 years ago
13

The length of a rectangle is represented by the polynomial 2x^3-5x^2+8 and the width is represented by the polynomial x+3 . Find

the area of the rectangle.
Mathematics
1 answer:
kozerog [31]3 years ago
3 0
X^2+8x+15 is the area

because x+5 = length
and x +3 = width

(x+5)(x+3) =
x^2+3x+5x+15 =
x^2+8x+15 (area)
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What does 204-(-36) equal?
oee [108]
204 - (-36) = 204 + 36 = 240

Note:
a+(-b) = a-b
a-(+b) = a-b
a+(+b) = a+b
a-(-b) = a+b

Hope that helped :)
5 0
3 years ago
Find the area of the shaded regions below. Give your answer as a completely
timama [110]
Area is 74 in/cm/mm^2 hope this helps :)
8 0
2 years ago
Please answer thissss thank youuu
Georgia [21]

Answer:

  • a) f(x) = - 20x + 450
  • b) 30 pages left to read

Step-by-step explanation:

<u>Given sequence:</u>

  • 430, 410, 390, ...

The first term is 430 and the common difference is - 20.

a)

<u>Required function is:</u>

  • f(x) = 430 - 20Ix - 1) = 430 - 20x + 20 = 450 - 20x

or

  • f(x) = -20x + 450

b)

<u>Find the number of pages left after 21 days:</u>

  • f(21) = 450 - 20*21 = 450 - 420 = 30
5 0
3 years ago
You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost? Include a let statement
ZanzabumX [31]

Answer:

5$??.

Step-by-step explanation:

If a magazine was 5$, 25-5= 20. So then, 20÷4= 5. There fore an eraser costs 5$.

3 0
4 years ago
Read 2 more answers
IDEK WHAT I AM DOING HELLLLLPOPPPP
Shtirlitz [24]

Answer:

-7/4=x and y=7

Step-by-step explanation:

In order to find the x you have to set y to 0 and then solve from there. 0=4x+7-> -7=4x-> -7/4=x

in order to find y you have to set x to 0 and then solve. y=4(0) +7-> y=7

3 0
3 years ago
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