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GenaCL600 [577]
3 years ago
7

If Sara runs 1/2 a mile in 1/8 of an hour and Ben runs 1/3 of a mile in 1/6 of a hour, who has the fastest rate? What is that ra

te? Show your work using complex fractions
Please help this is due soon!
Mathematics
2 answers:
bekas [8.4K]3 years ago
8 0

Answer:

Step-by-step explanation:

This could help

https://www.jcschools.us/cms/lib03/MO01909951/Centricity/Domain/2287/2-1%207th%20grade%20math.pdf

kykrilka [37]3 years ago
6 0

Answer:

Sara has the fastest rate

Step-by-step explanation:

First we have to use the formula R*T=D.

For Sara, we have r*1/8=1/2

This means r=4 after you divide 1/2 by 1/8

For Ben, we can use the same formula

We will get r*1/6=1/3

After dividing, we can conclude that Bens rate is 2mph whereas Saras rate is 4mph. This means Sara's faster

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cupoosta [38]

Answer:

The cost is a fixed $2, plus $3.25 for any additional hour.

Then if you rent it for x hours, the cost is:

c(x) = $2 + $3.25*x

Is this situation continuous or discrete?

Yes, it is discrete, because x is "the number of hours"

so if you rent it for 1.30 hours, they will say "ok, this is equivalent to two hours".

This means that while the values of x are continuous, the possible costs are:

{$2, $2 + $3.25, $2 + 2*$3.25, ....}

Which is a discrete set.

Then the sign for 1 to 5 hours will be:

1 hour ---------- $2 + $3.25 = $5.25

2 hours -------- $2 + 2*$3.25 = $8.50

3 hours--------- $2 + 3*$3.25 = $11.75

4 hours--------- $2 + 4*$3.25 =  $15

5 hours -------- $2 + 5*$3.25 = $18.25

In the other park the cost is only $4 for each hour (no fixed cost) then the total cost for x hours is:

c(x) = $4*x

Now, which option is better?

If we look at the costs for different numbers of hours for this other equation, we have:

1 hour ----- $4

2 hours ---- 2*$4 = $8

3 hours ----- 3*$4 = $12

4 hours ------ 4*$4 = $16

Then: if you want to skate 2 hours or less, Skate City is cheaper, if you want to skate more than that, kate Days is cheaper.

This happens because the first one has a smaller slope, meaning that is larger at first, but as x grows the price does not grow as much as in Skate City

7 0
3 years ago
Imm littery faillingg.
patriot [66]

Answer:

I'm not .... lol

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Simplify this expression: 13 + (–12) – (–5) = ?<br> A. 6<br> B. –6<br> C. –30<br> D. 30
Anuta_ua [19.1K]
13 + (-12) - (-5)

13 - 12 + 5

1 + 5

= 6.

Answer is A)
3 0
3 years ago
Read 2 more answers
I need this please help ​
Korolek [52]

Answer:

30

Step-by-step explanation:

Add all of them

5 0
3 years ago
What is 0.95 rounded to the nearest hundread?
sasho [114]

0.95 rounded to the nearest hundredth (I assume that's what you mean) would still be 0.95. Since I saw your other question, I think you're looking for 0.095 rounded to the nearest hundredth, which is 0.10.
8 0
2 years ago
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