2 years ago

Find each rate and unit rate 420 miles in 7 hours

Mathematics

1 answer:

Anon25 [30]2 years ago

4 0

the unit rate is 60 mph

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amber saved a total of $3.20 over 5 weeks.she saved the same amount of money each week.how much money did Amber save each week?

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3 years ago

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Perform the indicated operation. 15b/4 * 8/9a^2b^2

Sergio [31]

Answer:

The simplified expression is $\frac{10}{3 a^2 b}$

Step-by-step explanation:

The given expression is:

$\frac{15b}{4} * \frac{8}{9a^2 b^2}$

Multiply the items in the numerator together ( 15b * 8 = 120 b). Also multiply the items in the denominator together ( 4 * 9a²b² = 36a²b²). The expression thus becomes:

$= \frac{120b}{36 a^2 b^2} \\\\$

Divide both the numerator and the denominator by 12b:

$= \frac{120b /12b}{36 a^2 b^2/12b}$

The expression finally becomes:

$= \frac{10}{3 a^2 b}$

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2 years ago

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serg [7]

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options 3 and 6

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the exponent x+2 means that the graph moves to the left 2 units and the value of K, which is -4, means that the graph will then move down 4 units from the parent function f(x)

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3 years ago

What expression is equivalent to b+b+b+b

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4b is equivalent to b+b+b+b

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When y increases x increases

aniked [119]

Answer:

It happens only when they are inversely proportional to eachother.