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andre [41]
3 years ago
14

Twelve more than 3 times a number is no more than the opposite of 11

Mathematics
1 answer:
Sever21 [200]3 years ago
8 0

Answer:

Step-by-step explanation:

33

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Solving systems of equations by substitution<br> Y=6x y=5x+7
soldi70 [24.7K]
Y=6x (1)
y=5x-7 (2)

Substitute y into (2)
(6x)=5x-7 -- subtract 5x from both sides
x=-7

Sub x into 1
y=6(-7)
y=-42

x=-7
y=-42

8 0
3 years ago
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Solve for y<br> 2(3 + 3y) + y = 11
garik1379 [7]
<h2><u>EQUATION</u></h2><h3>Exercise</h3>

2(3 + 3y) + y = 11

First, apply the distributive property:

2(3 + 3y) + y = 11

6 + 6y + y = 11

6 + 7y = 11

Substract 6 from both sides:

6 - 6 + 7y = 11 - 6

7y = 5

Divide both sides by 7:

\dfrac{7y}{7} = \dfrac{5}{7}

\boxed{y = \dfrac{5}{7}}

<h3><u>Answer</u>. The value of y = 5/7.</h3>

8 0
3 years ago
Please help me thank u so much
alex41 [277]

Answer:

28/5= 5 3/5 15/7= 2 1/7 21/4=5 1/4

Step-by-step explanation:

4 0
3 years ago
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There are nine balls. One is slightly lighter than the rest; the difference is small enough that you can't tell just by picking
icang [17]
<span>You will need to weight those balls only twice. You weight 6 balls, 3 on one side of weight and 3 on another, and other 3 balls you have are in your hand.

Check picture bellow</span>

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3 years ago
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What is the value of b2 - 4ac for the following equation?<br><br> 2x 2 - 2x - 1 = 0
NikAS [45]
2x^2-2x-1=0
\Delta=b^2-4ac

\Delta=(-2)^2-4*2*(-1)=4+8=12
5 0
3 years ago
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