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AnnZ [28]
3 years ago
10

* can some 1 plz solve* 4x(6-2) -10=20

Mathematics
1 answer:
Ratling [72]3 years ago
8 0
Get the x on one side of the equation and the numbers on the other side.

First, use the distributive law to expand 4x(6 - 2)

4x(6 - 2) - 10 = 20
24x - 8x - 10 = 20

Combine like terms. 24x and -8x have the same variables.

24x + (-8x) = 16x

Now we have 16x - 10 = 20

We need to get ride of that -10. That way the 16x will be alone.
We need to subtract or add to -10 to make it to a 0.
We will add 10 to -10 to make it a 0.
Do the same thing with the other side.

16x - 10 = 20
16x = 30

Now divide both sides by 16 so the x can be alone.

x = 30/16

Change to a mixed number.

x = 1 14/16

Simplify 

x = 1 7/8

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Which of the following repeating decimals is equivalent to -5 1/9?
AnnyKZ [126]
That would be choice D.
4 0
3 years ago
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HELP PLEASE WILL GIVE BRAINLIEST WORTH 50 POINTS
Alja [10]

Answer:

y = 8.13 x -16125.713


hope it helps

Step-by-step explanation:

Sum of X = 14004

Sum of Y = 977

Mean X = 2000.5714

Mean Y = 139.5714

Sum of squares (SSX) = 53.7143

Sum of products (SP) = 436.7143

Regression Equation = ŷ = bX + a

b = SP/SSX = 436.71/53.71 = 8.13032

a = MY - bMX = 139.57 - (8.13*2000.57) = -16125.71277

ŷ = 8.13032X - 16125.71277

8 0
3 years ago
Read 2 more answers
In the equation 5x-2=-x-20, What is the value of x?<br> a. 2<br> b. -1<br> c. -3<br> d. -2
mestny [16]

Answer:

C choice.

Step-by-step explanation:

5x - 2 =  - x - 20 \\

First, we move the same terms to the same side.

5x + x =  - 20 + 2 \\ 6x =  - 18

Then we move 6 to divide - 18.

x =  \frac{ - 18}{6}  \\ x =  - 3

7 0
3 years ago
Solve for x when, 8x-12=4x
barxatty [35]

Answer:

x=3

Step-by-step explanation:

8x - 12 = 4x add 12 to both sides you get 8x=4x+12 subtract 4x on both sides then you get 4x=12 divide 4x on both sides and x = 3 Hope helps!!

8x-12=4x

+12    +12

__________

8x=4x+12

-4x   -4x

_______-

4x=12

÷4  ÷4

______

x=3

Hope helps :3

4 0
3 years ago
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Mr. Dewalt suggested contacting a travel agent to see whether they could get a lower price. The agent found
Liono4ka [1.6K]
Finding a price that is 30% lower than $2075 is the same as finding a price that is 70% of $2075.

That means all we need to do is calculate what is 70% of $2075.

Convert 70% into decimal form which is 0.70.

Next, multiply $2075 by 0.70.

$2075*0.70 = $1452.50

The price the travel agent found was $1452.50

Note: If you don't know how to multiply by decimals you can multiply $2075 by 7 than divide the result by 10 (move the decimal point one place to the left).


7 0
3 years ago
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