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Sergio [31]
2 years ago
6

If you run for 4 hours at 8 miles an hour and walk 8 hours at 2 miles an hour, how far will you have gone at the end of 12 hours

?
Mathematics
2 answers:
IRINA_888 [86]2 years ago
8 0

Answer:total distance covered at the end of 12 hours would be 48 miles

Step-by-step explanation:

If you run for 4 hours at 8 miles an hour. It means that your speed while running is 8 miles an hour.

Distance = speed × time

Distance covered by running for 4 hours would be

4 × 8 = 32 miles

You walk 8 hours at 2 miles an hour. It means that your speed while walking is 2 miles an hour.

Distance covered by walking for 8 hours would be

2 × 8 = 16 miles

Distance that you would have covered after 12 hours would be

32 + 16 = = 48 miles

Brrunno [24]2 years ago
3 0
32+16 miles is 48 miles within those 12 hours
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What is the simplified value of the expression below rounded to the nearest hundredth? StartFraction 3.5 times 2 + 9 over 10.4 m
miskamm [114]

Answer:

The answer is 2.11~! I hope I helped <3

Step-by-step explanation:

3.5x2=7   7+9=16   1.4x2=2.8   10.4-2.8=7.6   16/7.6=2.10526315789

but we simplify so, 2.10526315789 rounded to the nearest hundredth is 2.11~!

 

7 0
2 years ago
You want to rent a limousine for a trip to the city. The limo costs $700 for the night and $0.15 per mile. You have $750 to spen
frez [133]
The first thing I would do is write an expression for the amount the limo will cost in terms of the number of miles you drive.  In this scenario, the cost=.15(mile)+700.
Now is the question, should the limo cost more or less than $750 to stay on budget?  The answer is you should spend less than $750.  Thus, when writing the inequality, or .15m+700<750.  However, you could spend exactly $750 so you inequality should really be .15m+700≤750.  Now you just need to solve this for the number of miles you can drive.  

First, subtract 700 from both sides and you are left with .15m≤50
Then divide both sides by .15 and you are left with m ≤ 333.33.  Thus, the limo can only travel 333.33 miles.
please make this the brainliest answer
5 0
2 years ago
Assume that a fair die is rolled. The sample space is , 1, 2, 3, 4, 56, and all the outcomes are equally likely. Find P8. Expres
liraira [26]

Answer:

P\left(8\right)=0

Step-by-step explanation:

Assuming that a fair die is rolled.

  • The sample space is 1, 2, 3, 4, 5, 6 and all the outcomes are equally likely.

Let  X  be the set of all possible outcomes. Let  A  be an outcome.

So, the probability that  A  occurs is:

                                                        P\left(A\right)=\frac{|A|}{|X|}

As the set of all possible outcomes of the roll of a single die is:

X=\left\{1,2,3,4,5,6\right\}

Observe that

|X|=6

Here  

|A|=0   because 8 is not in the set sample space. So, the outcome of occurring the number 8 is not possible from the all possible outcomes.

So, the probability must be zero.

In other words,

                        P\left(A\right)=\frac{|A|}{|X|}

                         P\left(8\right)=\frac{0}{6}=0

Therefore,

                   P\left(8\right)=0

5 0
2 years ago
To solve the equation y – 4 = 9 for y, what operation must be applied to both sides in order to isolate the variable y?
inna [77]

Answer:

y-4=9

The opposite of subtraction is addition, so you would have to add 4 to both sides:

y-4+4=9+4

y=13

7 0
2 years ago
Phil consumed 1,200 calories at lunch. He has a goal of burning at least 5% of those calories by walking on the treadmill. If wa
givi [52]

Answer: ** B **

  A. more than 18 minutes

~ B. no fewer than 18 minutes

  C. more than 3 hours

  D. no fewer than 3 hours

Step-by-step explanation:

6 0
2 years ago
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