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Leona [35]
3 years ago
14

X+3+7=2x-10x-x someone please help me

Mathematics
2 answers:
Dima020 [189]3 years ago
5 0

Answer:

Step-by-step explanation:

x=-1

Factor out the x and solve

Alexxx [7]3 years ago
4 0

Answer:

x = -1

Step-by-step explanation:

<em><u>Add like terms (3 and 7, 2x and -10x and -x)</u></em>

x + 3 + 7 = 2x - 10x - x

x + 10 = -9x

<em><u>Subtract x from both sides:</u></em>

10 = -10x

<em><u>Divide both sides by -10:</u></em>

-1 = x

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A wallet containing 5 five dollar bills, 7 ten dollar bills, 8 twenty dollar bills is found and returned to its owner the wallet
Dominik [7]

Answer:

The probability is 2/5 that a $20 bill will be drawn from the wallet.

Step-by-step explanation:

There are 20 total bills in the wallet (5 $5, 7 $10, and 8 $20, 5+7+8=20). So if the finder and returner of the wallet was to be given one of the bills drawn from the wallet there would be an 8/20 chance the owner of the wallet would pull a 20. That's because there are 20 total bills in the wallet and 8 of them are $20.  

Simplifying 8/20... 8/20= 4/10= 2/5.

So, there is a 2/5 chance that a $20 bill will be pulled out of the wallet.

Hope this helps!

7 0
3 years ago
A circular garden has a circumference of 44 yards.Lars is digging a straight line along a diameter of the garden at a rate of 7
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I’m pretty sure it would take 2hrs but I’m not completely sure but I think
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Jane’s backyard is shaped like a parallelogram. The base of the parallelogram is 90 feet, and the height is 25 feet. What is the
Travka [436]

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For area you have to multiply the base and width. So 90 times 25 and then you get the answer of 2,250.

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What is the slope of the line that passes through the points (0,0) and (0,5)? Write
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there is no slope the answer is undefined

Step-by-step explanation:

the line in this case is a vertical line which would be an undefined line a horizontal line has a slope of zero.

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