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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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Solve for x and show all work thanks:)
VladimirAG [237]

Answer:

x = -6

Step-by-step explanation:

The triangle in the picture is an isoceles triangle in which the measure of top vertex angle is given and one of the base angles is also given.

According to angle sum property of triangle , sum of measure of all the angles of traingle is 180°. Also, in isosceles triangle , the base angles are always equal to each other .

So,

34 + (x + 79) + (x + 79) = 180

=  > 2x + 158 + 34 = 180

=  > 2x +192 = 180

=  > 2x = 18 0 - 192 =  - 12

=  > x = \frac{12}{ - 2}  =  - 6

3 0
3 years ago
At lunch time Benjamin often borrows money from his friends to buy snacks in the school cafeteria. Benjamin borrowed $0.75 from
ElenaW [278]
Number of days:Amount of Money
5:0.75
Ben owes Clyde $3.75
5 0
3 years ago
Ingnore question 17 but i need help 30 POINTS!!!
algol [13]
Not sure why they put the x bit

ok so know this:
AGE=HGB=CHG=FHD
and
AGH=EGB=CHF=GHD
and
AGE+AGH=180


11.
AGE=FHD=30

12.
AGH=CHF=150

13.
CHF=BGE=110

14.
CHG+HGA=180
CHG+120=180
CHG=60

15.
BHG=3x=AGE=CHG=FHD
not sure, but if we did use the fact that BGH+DHG=180 and BGH=3x and DHG=2x+50 then BHG=78 degrees

16.
GHD=2x+50=CHF=EGB=AGH, if we use facts above then GHD=102 degrees
5 0
3 years ago
There are 3.2 million teachers in the United States and 5.66 x 107 students. How many times more students than
Marat540 [252]

Answer:

602.42 million

Step-by-step explanation:

I know the answer is 602.42 million because I used addition and subtraction.

First, I knew there was 5.66x 107 million students. So, I multiplied 5.66 and 107, and I got 605.62 million. I knew there were 3.2 million teachers in the US. Next, I subtracted 3.2 million from 605.62 million.

605.62-3.2=602.42

So, there are 602.42 million more students than teachers in the United States.

3 0
3 years ago
535053424567 x 6566207654999=???
valentina_108 [34]

Answer:

3.5132719e+24

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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