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yanalaym [24]
3 years ago
10

-1 = -3(3r - 8) - 7. what does r equal?

Mathematics
2 answers:
olasank [31]3 years ago
8 0

Answer:

R=2

Step-by-step explanation:

yaroslaw [1]3 years ago
3 0
Tbh I don’t Ben know
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To make four cakes, Dena used 6 cups of sugar. Using the same recipe, how much sugar does she need to make one cake?​
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Solve for b2 in A = 1/2 h ( b1 + b2 ), if A = 16, h = 4, and b1 = 3.
Katarina [22]

Hello from MrBillDoesMath!

Answer:

b2 = 5  


Discussion:

A = 1/2 h (b1 + b2) .

Substituting A = 16, h = 4, and b1=3 in the above formula gives:

16 = (1/2) (4)( 3 + b2)    =>         (as (1/2)4 = 2) )

16 = 2 ( 3 + b2)             =>         (divide both sides by 2)

8 = (3 + b2)                   =>         (subtract 3 from both sides)

8-3  = b2                       =>

5     =  b2


Check Area formula:

Does A = 16 = (1/2)(4)(3+5)   ?

Does 16 = (1/2) (4)(8)             ?

Does 16 = (1/2)(32)                ?  Yes it does so our calculation for b2 is correct




Thank you,

MrB

7 0
3 years ago
A birthday cake is shaped like a square. The area of the square is 64
anastassius [24]

Answer:

8 square inches. You find area by length x height. A square's sides are all of equal length. So what number x itself is 64? The answer is 8 because 8 x 8 equals 64.

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2 years ago
Can someone solve it please
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Answer:

someone solve it please usuck

Step-by-step explanation:

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