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kolbaska11 [484]
3 years ago
11

Solve the equation for . 2x+22=4(x+3)

Mathematics
1 answer:
neonofarm [45]3 years ago
8 0

Answer:

2x+22=4(x+3)

2x+22=4x+12

22-12=4x-2x

10=2x

5=x

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If 2x − 4(x + 1) = −12, evaluate x2 − 1.
Vlad [161]
2x-4(x+1)=-13
1) we solve this equation:
2x-4(x+1)=-12
2x-4x-4=-12
-2x=-12+4
-2x=-8
x=-8/-2
x=4

2) we evalute x²-1
x²-1=4²-1=16-1=15

Answer: 15
6 0
3 years ago
What are the answer for your these questions?
ozzi

Answer:

<u>a. 11</u>

<u>b. 9</u>

Step-by-step explanation:

<em>A:</em>

2 x 4 = 8

8 + 3 = 11

<em>B:</em>

-2 x -2 = 4

4 + 5 = 9

Hope this helps! Let me know if it was right!

5 0
3 years ago
Given the point and the slope, write the function in point-slope form:<br> (2, -5); m = 2/3
pshichka [43]
Y=2/3x+(-5)
hope this helps
3 0
2 years ago
Nicole has 17 nickels n and dimes d. If the value of her coins is $1.30, how many of each coin does she have?
denis-greek [22]

Answer:

  8 nickels and 9 dimes

Step-by-step explanation:

If all were dimes, the value would be $1.70. It is $0.40 less than that. Changing a dime for a nickel reduces the value by $0.05, so there must have been $0.40/$0.05 = 8 such changes.

There are 8 nickels and 9 dimes.

_____

<em>Check</em>

8 · 0.05 + 9 · 0.10 = 0.40 + 0.90 = 1.30 . . . the answer checks OK

7 0
3 years ago
A rectangular picture frame measures 27 cm by 48 cm. What is the perimeter or distance around the picture frame in meters
Firlakuza [10]
150, you just add the numbers 
7 0
3 years ago
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