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Nezavi [6.7K]
2 years ago
5

Matthew is 5 years older than twice the age of his sister. if matthew 13, how old is sister

Mathematics
2 answers:
Naya [18.7K]2 years ago
7 0
I would say she is 4. i hope this helps
nevsk [136]2 years ago
6 0
Matthew's sister is 4 because 13 minus 5 is 8, 8 divided by 2 is 4
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B>13/9 interval notation
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Interval Notation of b > 13/9 is [13/9, infinity)
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2 years ago
Emily says she can prove the Pythagorean Theorem using the following diagram. She explains that she can divide the squares on th
Sindrei [870]

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4 0
3 years ago
A square has a diagonal with the length of 8V7 inches. What is the length of the<br> sides?
Nikitich [7]

Answer:

approximately 13.9 inches

Step-by-step explanation:

That's 8√6, not 8V7.

The four sides are of the same length (x).  According to the Pythagorean Theorem, x² + x² = (diagonal length)² = (8√6)², or

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Dividing both sides by 2, we get:

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4 0
2 years ago
The two data sets show random samples of the costs, in dollars, of cars purchased at two dealerships yesterday.
hichkok12 [17]
A) The mean of set 1 is 53,800, while the mean of set 2 is 38,600. The median of set 1 is 42,000, while the median of set 2 is 28,000.
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7 0
3 years ago
Brian pays £180 per week in rent. His landlord decides to decrease the rent by 5%. How much rent does he pay now
ira [324]

Answer:

171

Step-by-step explanation:

180 - (5% × 180)

180 - 5% × 180

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95 ÷ 100 × 180

95 × 180 ÷ 100

17,100 ÷ 100 = 171.

5 0
2 years ago
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