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Leokris [45]
3 years ago
12

Evaluate if a = 6. a + a2 = what

Mathematics
2 answers:
Lorico [155]3 years ago
7 0
42 :6 to the second power is 36 plus 6 is 42
Mazyrski [523]3 years ago
4 0

Step-by-step explanation:

a=6

a+a2=6+(6)^2

        =6+36

        =42                            

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What is an equivalent expression for 3/4 (6+2x)
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Answer:

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Step-by-step explanation:

3/4 (6+2x)

Distribute

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The door to my classroom is 84 inches tall. How many blocks would I need to stack to the height of the door, If each block is 2
nata0808 [166]

Answer:

42 blocks

Step-by-step explanation:

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3 years ago
If 75% of a number is 255 and 20% of the same number is 68, find 95% of that<br> number.
Tanzania [10]

Answer:

75% may also be expressed as 75/100=3/4 or as 0.75 as needed.

 

Let x = the number

 

Translate:

 "if 75% of a number is 60"       means

     (75/100)  *  x      =  60            [the word "of" usually means multiply]

     (3/4) x = 60                           [reduce or just write it this way]

        x  = 60(4/3)                       [multiply both sides by  4/3]

        x = 80

Step-by-step explanation:

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