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Eddi Din [679]
4 years ago
13

6x + 4x - 1 = 2(5x+4)

Mathematics
1 answer:
Varvara68 [4.7K]4 years ago
5 0

Answer:

x=8

Step-by-step explanation:

6x+4x - 1=2(5x+4)

6x+4x-1=10x+8

10x-1=10x+8

10x=10x+8

x=8

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A storage box has a Volume of 56 cubic inches and the base of the box is 4 what is the height of the box?​
Arlecino [84]

Answer:

it's 14

Step-by-step explanation:

you do the volume divided by the base

56-volume

4-base

<h2>\frac{56}{4}=14</h2>

7 0
3 years ago
3x+6=-3(2x+4)<br><br><br> Show your work
Lera25 [3.4K]

Answer:

\boxed {x = -2}

Step-by-step explanation:

Solve for the value of x:

3x + 6 = -3(2x + 4)

-Use <u>Distributive Property</u>:

3x + 6 = -3(2x + 4)

3x + 6 = -6x - 12

-Take 6x and add it to 3x:

3x + 6 + 6x = -6x + 6x - 12

9x + 6 = -12

-Subtract both sides by 6:

9x + 6 - 6 = -12 - 6

9x = -18

-Divide both sides by 9:

\frac{9x}{9} = \frac{-18}{9}

\boxed {x = -2}

Therefore, the value of x is -2.

<u />

5 0
3 years ago
Solve using a matrix. Show all work by hand. <br> x-5y=-5 <br> -4x-2y=20
viva [34]
You can use the desmos matrix calculator online! it’s a lot of help
3 0
3 years ago
Please help ots due by 12. I need help. I dont understand.​
IrinaK [193]

Answer: 1. is A

3. -3/5

4. 9/16

Step-by-step explanation: idk how to solve the other two

3 0
4 years ago
Frank has 24 pennies, 62 nickels, 55 dimes, 16 quarters, and 19 fifty-cent pieces. How much money does he have?
DedPeter [7]

Answer:

$22.34

Step-by-step explanation:

really simple.

just multiply the number by how much the coin is worth

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55 x 10 = 550

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19 x 50 = 950

then add all of them

24 + 310 + 550 + 400 + 950 = 2234

and finally divide it by 100

2234 ÷ 100 = 22.34

and just pop in a dollar sign

$22.34

8 0
3 years ago
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