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choli [55]
3 years ago
7

Sam spent half of his allowance going to the movies. He washed the family car and earned 7 dollars. What is his weekly allowance

if he ended with 16 dollars?
Mathematics
1 answer:
UkoKoshka [18]3 years ago
7 0
The answer is 18 dollars. If you subtract the $7 he earned, not originally part of his allowance, you get 9. Multiply by 2 because he spent half on the movies and you get 18.
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Need help with a math question
Darya [45]

Answer:

Z =7

Step-by-step explanation:

The middle segment theorem of a triangle says that: A middle segment connecting two sides of a triangle is parallel to the third side and is half its length.

In this case, the middle segment connecting two sides of a triangle is Z.

This means that

Z = 0.5(14)

Finally we have that:

Z =7

The length of the middle segment is 7 units

4 0
3 years ago
Perimeter of a rectangle is 15x+17y if the length is 7/2x+7y then find the width of the rectangle
bogdanovich [222]

The perimeter of a rectangle is given by the formula,


P=2l+2w


We substitute,


P=15x+17y


and


l=\frac{7}{2}x+7y


into the above formula to obtain the expression,




15x+17y=2(\frac{7}{2}x+7y)+2w



15x+17y=7x+14y+2w




We now group the x and y terms on the Left Hand Side of the equation to get.


15x-7x+17y-14y=2w




8x+7y=2w



We now divide through by 2 to get,



4x+\frac{7}{2}y=w



Therefore the width of the rectangle is


4x+\frac{7}{2}y



8 0
3 years ago
Find each unknown side length <br> X=<br> Y=
WARRIOR [948]

Answer:

7 i think not sure

Step-by-step explanation:

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2 years ago
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natima [27]
Y - 6 = 10(x - 2) hope this helps :)
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kenny6666 [7]

Answer:

Step-by-step explanation:

I’m pretty sure the answer is C

6 0
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