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maw [93]
3 years ago
6

-8x+5-2x-4+5x when x=2

Mathematics
2 answers:
julia-pushkina [17]3 years ago
7 0

Answer:

-9

Step-by-step explanation:

Just substitute in 2 for x

-8(2) + 5 - 2(2) - 4 + 5(2)

-16 + 5 - 4 - 4 + 10

-11 - 4 - 4 + 10

-15 - 4 + 10

-19 + 10

-9

Hope this helps!!!

-Unicorns110504

*Please mark brainliest*

marin [14]3 years ago
3 0
-8x+5-2x-4+5x
-16+5-4-10
-11-4-10
-15-10
-25
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( 8 x 400 ) + ( 8 x 9 )
Over [174]

Answer:

3,272

Step-by-step explanation:

8 x 400 = 3200

8 x 9= 72

3200 + 72 = 3,272

5 0
2 years ago
The area of a rectangular classroom is given by the trinomial a - 4a - 21. The length of the rectangle is a+3. What is the expre
djverab [1.8K]
I am assuming you wrote the problem wrong. Is it a^2?
A^2 -4A-21=0
(A-7)(A+3)=0
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3 0
3 years ago
Using the chart above, find the total amount and amount of interest paid in the following compound interest problems.
gizmo_the_mogwai [7]

Answer:

Annually: Total Amount = 1611.76, Interest Amount = 711.76

Semiannually: Total Amount = 1625.50 , Interest Amount = 725.50

Quarterly: Total Amount = 1632.62 , Interest Amount = 732.62

Step by Step Explanation:

We can see from the table that the factor that we need to multiply with 900 in order to get amount for compounded annually is 1.7908477. Therefore, our total amount is 1.7908477*900 = 1611.76 and interest earned is 1611.76-900 = 711.76.

The factor that we need to multiply with 900 in order to get amount for compounded semiannually is 1.8061112. Therefore, our total amount is 1.8061112*900 = 1625.50 and interest earned is 1625.50-900 = 725.50.

The factor that we need to multiply with 900 in order to get amount for compounded semiannually is 1.8140184. Therefore, our total amount is 1.8140184*900 = 1632.62 and interest earned is 1632.62-900 = 732.62.

6 0
3 years ago
There are 4 different magazines on Hannah's nightstand. Each
Lady_Fox [76]

Answer:

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Step-by-step explanation:

6 0
2 years ago
Pls answer fast I need it by tomorrow.
Ugo [173]

Answer:

q = (a - r) / b.

Step-by-step explanation:

a = bq + r

bq = a - r

q = (a - r) / b.

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