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Vitek1552 [10]
3 years ago
12

Anyone know this Solve for Y: 4(y+3)+7=3

Mathematics
2 answers:
NeTakaya3 years ago
6 0
<span> 4(y+3)+7=3
first you distribute the 4
4y+12+7=3
now add simplify each side
4y+19=3
subtract 19 from each side
4y=(-16)
divide each side by 4
y=(-4)
so -4 is your answer for y</span>
ch4aika [34]3 years ago
4 0
What you need to do is isolate the Y.

First - Distribute the 4 and get:
4y+12+7=3

Second - Combine like terms and get:
4y+19=3

Third - Subtract 16 from both sides and get:
4y = -16

Fourth - Divide by 4 and get:
Y=-16/4

ANSWER:
Y = -16/4 = -4
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Using similarity principle, the height of the tree is 1.97 meters

<h3>How to find height of the tree?</h3>

He is 1.75 meters tall.

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Using similarity principles where the corresponding length are a ratio of each other.

Therefore,

1.75 / x = 33.7 / 37.95

cross multiply

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divide both sides by 33.7

x = 66.4125 / 33.7

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1. Which of the following equations has a solution of x = -5? Equation A------&gt; 16x-7=11x-32 Equation B------&gt; -4x- 10=2x+
Nitella [24]

Answer:

C

Step-by-step explanation:

<u>Equation A</u>

16x - 7 = 11x - 32

(16x - 7) - 11x = (11x - 32) -11x

5x - 7 = -32

(5x - 7) + 7 = (-32) + 7

5x = -25

(5x)/5 = (-25)/5

x = -5

<u>Equation B</u>

-4x - 10 = 2x + 20

(-4x - 10) - 2x = (2x + 20) - 2x

-6x - 10 = 20

(-6x - 10) + 10 = (20) + 10

-6x = 30

(-6x)/-6 = (30)/-6

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Both Equation A and Equation B have a solution of -5.

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3 years ago
Last question!!!!!!!
konstantin123 [22]
49 pennants 1/3 x15 =30 so plus 1 and 2/3 that is 5 so it is 35 boom
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