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anygoal [31]
2 years ago
8

If 3x−y=12, what is the value of 8x--2y

Mathematics
1 answer:
marta [7]2 years ago
3 0

Answer:

wait few minutes i will try

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Erica knits 18 squares on Monday. She knits 7 more squares each day for the rest  of the week. How many  squares does Erica have
Ne4ueva [31]
She knits 18 squares on Monday.
Then she knits 7 more squares each day:
Tuesday: +7, Wednesday: +7, Thursday: +7 and Friday: +7
18 + 7 * 4 = 18 + 28 = 46
Answer: She has 46 squares on Friday.  
7 0
3 years ago
Which number can be added to a rational number to explain that the sum of two rational numbers is rational? A) π B) 3 7/8 C) 8 D
Vikki [24]
I believe the answer would be C

6 0
3 years ago
Read 2 more answers
System OT<br> W + b =13<br> 6.5w + 2b = 57.5
mixer [17]

Answer:   w = 7,  x = 6

Step-by-step explanation:  Solve by substitution

W + b = 13

rewrite as   b = 13 - w  and substitute that value for b in the second equation

6.5w + 2b = 57.5  Then solve for w

6.5w + 2(13-w) = 57.5 . Distribute

6.5w + 26 - 2w = 57.5 .  Subtract 26 from both sides. Combine like terms and simplify

6.5w - 2w = 57.5 - 26

4.5w = 31.5  Divide both sides by 4.65

w = 7 . Substitute 7 for w in the first equation and solve for b

7 + b = 13 . Subtract 7 from both sides

b = 6

6 0
2 years ago
Solve the inequality and enter your solution as an inequality comparing a variable to a number x+9&gt;13
stellarik [79]

Answer:

x>4

Step-by-step explanation:

Step 1: Subtract 9 from both sides.

x+9−9>13−9

x>4

3 0
3 years ago
Solve the equation. 1/4 = y/12. y=
charle [14.2K]

Answer:

Step-by-step explanation:

\frac{1}{4}=\frac{y}{12}\\\\\frac{1}{4}*12=y\\\\1*3=y\\\\y=3

8 0
2 years ago
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