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frozen [14]
3 years ago
12

Sharina simplified the expression 3(2x – 6 – x + 1)2 – 2 + 4x. In Step 1 she simplified within the parentheses. In Step 2 she ex

panded the exponent.
Mathematics
2 answers:
Leokris [45]3 years ago
6 0
(6x-18-3x+3)*2-2+4x
3x-18*2-2+4
-1x-34
Otrada [13]3 years ago
6 0

Answer:

its d, Distribute the 3 to each term in the parentheses by multiplying.

Step-by-step explanation:

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Step-by-step explanation:

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Colt1911 [192]

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Answer:

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Step-by-step explanation:

Let J and M represent the current ages of Jacob and his Mother.

<u>currently</u>:

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<u>in 11 years</u>:

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Using the first equation to substitute for M in the second, we have ...

  (3 +9J) +11 = 5 +3(J +11) . . . . . substitute for M

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  6J + 24 . . . . . . . . . . subtract 3J+14

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Jacob is 4 and his mother is 39.

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2 years ago
Grade 5 math. ! 30 points !
irinina [24]

Answer:

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Step-by-step explanation:

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In ΔRST, r = 210 cm, s = 500 cm and t=560 cm. Find the measure of ∠T to the nearest 10th of a degree.
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Step-by-step explanation:

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