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olga2289 [7]
3 years ago
14

Six years ago, Robert’s age was __________. A = Robert’s present age Which expression models this situation? A) 6A B) A + 6 C) A

– 6 D) A –(-6)
Mathematics
1 answer:
atroni [7]3 years ago
5 0
Answer :
C because if you want his age six years ago, you need to take his present age (A) and subtract 6



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Ostrovityanka [42]

Answer:

<h2>47.9</h2>

Step-by-step explanation:

10 + 5 - 6.10 + 6.5 \times 6 \\

Follow PEDMAS

10 + 5 - 6.10 + 39

15 - 6.10 + 39 \\ 15 + 39 - 6.10 \\ 54 - 6.10 \\  = 47.9

8 0
3 years ago
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Multiply.<br> Your answer should be a monomial in standard form.<br> (-9n^3)(n^3)
ratelena [41]

Answer:

-9n^6

Step-by-step explanation:

(−9n^3)(n^3)

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3 years ago
Mrs. Cervantes wants to paint her windmill. It has six sides, each of which is 3.5 feet wide by 11 feet tall. How many square fe
wolverine [178]

Answer:

231 ft²

Step-by-step explanation:

Given that :

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Area of each side :

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Number of sides = 6

Hence, number of square feets to paint :

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= 231 ft²

7 0
2 years ago
What is the value of x?
lesya692 [45]

Answer:

im thinking 36 but it might be more

Step-by-step explanation:

5 0
3 years ago
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Sebastian measures a line to be 9.2 inches long. if the actual length of the line is 19.5 inches, then what was the percent erro
seraphim [82]

Answer:

47%

Step-by-step explanation:

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the number in the tenth place is 7 and It can´t be changed because 1 isn´t 5 or it also isn´t greater than 5.

4 0
3 years ago
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