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Zolol [24]
3 years ago
6

The last time Alejandro's height was measured he was 61.5 inches tall. He was measured again today and is now 68.7 inches tall.

How much did he grow? Write an expression. Use g to represent the number of inches Alejandro grew.
Mathematics
1 answer:
stiv31 [10]3 years ago
6 0

Answer:

He grew 7.2 inches.

Step-by-step explanation:

68.7-61.5=7.2

Expression:

68.7-61.5=g

or

61.5+g=68.7

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JulsSmile [24]

Answer:

P(-5,6) Q(-1,8) R(-3,1)

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3 years ago
Marina spent $13.50 at the grocery store. She bought pears, kiwis, and pineapples. Pears cost $0.50 each, pineapples cost $1.50
kiruha [24]

Answer:

Number of pineapples = 10

Number of pears = 10 + 9 = 19

Number of kiwis = 10 - 2 = 8

Step-by-step explanation:

Money = $ 13.5

Cost of a pear = $ 0.5

Cost of a pineapple = $ 1.5

Cost of a kiwi = $ 0.3

let the number of pineapple = p  

Number of pears = p + 9

Number of kiwis = p - 2

Cost is

0.5 (p + 9) + 0.15 p + 0.3 (p - 2) = 13.5

0.5 p + 4.5 + 0.15 p + 0.3 p - 0.6 = 13.5  

0.95 p = 9.6

p = 10

So, number of pineapples = 10

Number of pears = 10 + 9 = 19

Number of kiwis = 10 - 2 = 8  

4 0
3 years ago
Read 2 more answers
Which choice is equivalent to the expression below √-12
kondaur [170]

Answer:

E

Step-by-step explanation:

using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}, hence

\sqrt{-12}

= \sqrt{4(3)(-1)} = \sqrt{4} × \sqrt{3} × \sqrt{-1} [\sqrt{-1} = i]

= 2i\sqrt{3} → E


7 0
3 years ago
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Thanks for the help ;)
Pani-rosa [81]

Answer:

A.

Step-by-step explanation:

3 0
2 years ago
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user100 [1]

Answer:

your answer would be OA

Step-by-step explanation:

8 0
3 years ago
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