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Greeley [361]
3 years ago
11

How is a " unit rate " derived from a rate?

Mathematics
1 answer:
AlexFokin [52]3 years ago
5 0
I have I added ok sorry
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The dollar amount (d) that erin earns varies directly as the number of hours (t) that she works. if she earns $206.25 in 25 hour
Liono4ka [1.6K]
D=t*m
d=dollar amount
t=hours
m=how much she earns per hour

Plug in the first set of numbers
$206.25=(25hr)*m
the amount she earns per hour is
$206.25/25hr = m = $8.25 per hr

So

$264=t*$8.25
264/8.25 = t
t = 32 hr




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3 years ago
Elle can by 2 quarts of milk for 3 dollars or 1 gallon of milk for 3 dollars. Witch is the better deal. Explain
fenix001 [56]
The better deal would be 1 gallon for three dollars because i gallon of milk is more than 2 quarts 
4 0
3 years ago
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If the lake is 60 miles away and Rene is driving at 40 miles a hour the whole time how long will it take for her to get to the l
Karolina [17]

60/40 = 1.5  So Renee will need to drive 40miles 1.5 times in order to
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Since her speed is exactly 40 mph, she'll need to keep it up for <em>1.5 hours</em>.

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3 years ago
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In the diagram, p is the centroid of abc and pd = 3. find bd.
Anna35 [415]
We know that
if P is the centroid of triangle ABC
so
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the answer is
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Write the expression using a single exponent. (-3)^9 (-3)^4
Jet001 [13]

Answer:

(-3)^13

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(-3) is a constant value so there is no change

You must add 4 and 9 together to create one exponent of 13

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