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Alisiya [41]
3 years ago
5

How do you solve sarah is twice as old as her youngest brother. if the difference between their ages is 15 years. how old is her

youngest brother?
Mathematics
1 answer:
marishachu [46]3 years ago
3 0
The youngest brother is 15 years old
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Find the values of x and y.<br> 2(5x- 5)°<br> (5y + 5)º (7y - 9°<br> (6x + 50)
Amanda [17]

The values of x and y are 15 and 7 respectively

The angles formed from the intersection of two lines at X are equal and vertically opposite angles.

From the figure shown, we can conclude that:

2(5x-5) = 6x + 50 (vertically opposite angle)

Expand

10x - 10 = 6x + 50

10x - 6x = 50 + 10

4x = 60

x = 60/4

x =15

Similarly;

5y + 5 = 7y - 9

Collect the like terms;

5y - 7y = -9 - 5

-2y = -14

y = 14/2

y = 7

Hence the values of x and y are 15 and 7 respectively

Learn more here: brainly.com/question/15198257

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2 years ago
Use order of operations to make this true 7 11 4 2 = 10
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Answer:

7 + 11 - 4 \times 2 = 10

Step-by-step explanation:

Using order of operations, the first thing to be calculated would be 4 \times 2.

That would turn our equation into this:

7 + 11 - 8 = 10

You can then calculate left-to-right as usual to get the answer 10.

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Answer this please for 15 points
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Answer:

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