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Natalka [10]
3 years ago
7

Two vans leave a campground at the

Mathematics
1 answer:
klasskru [66]3 years ago
4 0

Answer:

92 mph

Step-by-step explanation:

Let the speed of the van travelling south  

=

v

mph  

The distance travelled by the car travelling north is

d

1

=

10

⋅

2.5

=

25

The distance travelled by the car travelling south is

d

2

=

v

⋅

2.5

=

2.5

v

The distance between the cars after  

2.5

h

is

d

1

+

d

2

=

255

25

+

2.5

v

=

255

2.5

v

=

255

−

25

=

230

v

=

230

2.5

=

92

mph

The speed is  

=

92

mph

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The equivalent expression is 7^{2}.

We have the following expression -

\frac{7^{-3} }{7^{-5} }

We have to find its equivalent value.

<h3>What is the equivalent expression of the following expression-</h3>

f(x, y) =\frac{A^{x} }{A^{y} }

In order to divide two exponents with same base, we use the 'Quotient property of exponents.

The equivalent expression can be written as -

f(x, y) = A^{x} A^{-y} = A^{x-y}

In the question given we have -

\frac{7^{-3} }{7^{-5} }

Using the property discussed above -

7^{-3}\;7^{5} = 7^{-3+5} = 7^{2}

Hence, the equivalent expression is 7^{2}.

To solve more questions on exponents, visit the link below -

brainly.com/question/17173276

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Your answer is ..
First,
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Our next mixed fraction,
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Now, we have the get the same denominator in order to subtract.
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<span>Bob says he has 3 kids, the product of their age is 72.
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