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Anvisha [2.4K]
2 years ago
13

It takes Kendra 27 minutes to run 3 miles. A)write a ratio to represent kendras running rate in minute per mile b) write kendras

running rate in miles per minute C)how many miles can Kendra run in 45 minutes d)how many minutes would it take Kendra to run 7 miles
Mathematics
1 answer:
Alex Ar [27]2 years ago
7 0

Answer:

A is 9:1 B is 1:9 C is 5 miles D is 63 minutes

Step-by-step explanation:

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Consider this quadratic equation. 2x2 − 1 = 3x + 4 Which equation correctly applies the quadratic formula?
Mariulka [41]

Answer:

\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)}}{2(2)}

Step-by-step explanation:

Quadratic formula: \frac{-b+-\sqrt{b^2-4ac} }{2a}

2x^2-1=3x+4\\\\2x^2-3x-5=0\\\\\\frac{-(-3)+-\sqrt{(-3)^2-4(2)(-5)}}{2(2)} \\\frac{3+-\sqrt{9+40} }{4}

x = \frac{3+-7}{4}

Hope this helps and God bless!

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3 years ago
Mallorie has $5 in her wallet.if this is 10% of her monthly allowance what is her monthly allowance
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5=.1*x
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4 0
3 years ago
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the answer is supposed to be 132 at the most of a

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2 years ago
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