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miskamm [114]
3 years ago
15

The weight of 8 science books is 28 pounds. What is the weight of 11 science books?

Mathematics
2 answers:
Debora [2.8K]3 years ago
5 0

<em><u>Hope</u></em><em><u> </u></em><em><u>this</u></em><em><u> </u></em><em><u>will</u></em><em><u> </u></em><em><u>help</u></em><em><u> </u></em><em><u>u</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

jeka57 [31]3 years ago
4 0

Answer:

38.5

Step-by-step explanation:

8science bks=28pounds

11science bks=?

Cross multiply

Answer 38.5

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erik [133]

Answer:

6/5

Step-by-step explanation:

9×4=36

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36/30÷2

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6/5

6 0
2 years ago
Which value for x makes the sentence true? 12x-5 = 5x + 23<br><br> A. 6<br> B. 9<br> C. 4 <br> D. -1
hammer [34]

Answer:

C

Step-by-step explanation:

If you plug in 4 to the equation it looks like this:

48-5= 20+23. Subtract 5 and add 23, to get 43=43. That statement is true so it's 4.

3 0
3 years ago
Find the derivative of y= 1 / x​
givi [52]

Answer:

dy/dx = -1/x^{2}

Step-by-step explanation:

y = 1/x

dy/dx = d/dx(1/x)

=> dy/dx = d/dx(x^{-1})

=> dy/dx = -x^{-2}

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6 0
3 years ago
What is the answer???
Tomtit [17]

Answer:

A and B are the remaining angles because of course a triangle always adds up to 180 degrees so you subtract 125.5 from 180 and get 54.25, then you look for the teo angles that when added together total 54.25 and you have your angle then using your three angles you calculate your area to be 772.04

Step-by-step explanation:

3 0
3 years ago
What is the standard form of the number six hundred ninety-five and four hundred thirty-seven thousandths?
trapecia [35]

Answer:

695.437 is your answer :)

6 0
3 years ago
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