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stealth61 [152]
4 years ago
6

2(-3y-1)+(2y+7) plz help

Mathematics
1 answer:
MrRissso [65]4 years ago
6 0

2(-3y-1)+(2y+7)  

Final result :

 5 - 4y

Step by step solution :

Step  1  :

Step  2  :

Pulling out like terms :

2.1     Pull out like factors :

  -3y - 1  =   -1 • (3y + 1)  

Equation at the end of step  2  :

 -2 • (3y + 1) +  (2y + 7)

Step  3  :

Final result :

 5 - 4

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Find the length of the missing side
inn [45]
<h3>Answer:  9</h3>

================================================

Work Shown:

a = unknown  = leg #1

b = 12  = leg #2

c = 15 = hypotenuse

Plug those values into the pythagorean theorem and solve for 'a'

a^2 + b^2 = c^2

a^2 + (12)^2 = (15)^2  .... substitution

a^2 + 144 = 225

a^2 = 225 - 144  ... subtracting 144 from both sides

a^2 = 81

a = sqrt(81)  .... applying square root to both sides

a = 9

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4 years ago
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Levart [38]
Lets look at the information we have:-

$7.50 per hour
How many hours to earn $116.25?

To answer this we will divide. Lets do it:-

116.25 ÷ 7.50 = 15.5
15 and a half hours.

CHECK OUR WORK:-

15.5 × 7.50 = 116.25
We were RIGHT!!

So, to earn $116.25 when getting paid $7.50 per hour you would need to work for 15 and a half hours.

Hope I helped ya!!! 
6 0
4 years ago
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Brian drew these angles. He uses the equation 180-Y=50. To find the measure of angle Y. What is the measure of angle Y?
adoni [48]

Answer:

130

Step-by-step explanation:

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5 0
3 years ago
BRAINLIEST if answered and up to 50 points. 1-3
Helen [10]

Answer:

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Step-by-step explanation:

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barxatty [35]

Answer:

Question wasn't specific enough but I believe the cost=$93.92

Step-by-step explanation:

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47.97+38.97+1.99+4.99=93.92

7 0
3 years ago
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