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Svetach [21]
3 years ago
8

Kristin made a trip to the town hall and

Mathematics
1 answer:
finlep [7]3 years ago
8 0

Answer:

Step-by-step explanation:

Lets write down what we know.

<em>The trip to the town hall took 6 hours.</em>

<em>The trip back took 5 hours.</em>

<em>She averaged 30mph on the trip back.</em>

If we are supposed to find the average speed on the trip, we need to find the distance to the town hall.

Since we know that she went 30 miles every hour on the return trip, <u>we can multiply 30 miles by the amount of hours it took her to calculate the distance.</u>

30*5=150

The distance of her trip is 150 hours.

Now we need to calculate her average there.

If she took 6 hours to get there, we simply need to divide 150 by 6 to find her rate of speed.

150/6=25

<em>Her average speed on the trip to the town hall was 25 miles per hour.</em>

Hope this helps!

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Keisha used a photo that measured 4 inches by 6 inches to make a copy that measured 8 inches by 12 inches. What is the scale fac
vlada-n [284]

Answer:

Below.

Step-by-step explanation:

So 4-6 to 8-12.

4 can be devised by 12, and so can 6.

4:8 6:12

If we flip them over we can find the dilation.

so?

8:4 12:6

Each can be divided by 2.

So the factor if dilation is 2.

6 0
2 years ago
Please help me with 9 I really need it
MissTica

Answer:

605 boys

Step-by-step explanation:

If the ratio of boys to girls is 5:7

and there are 847 girls

we can plug this value into the ratio by doing something like:

5:7

= 5/7

= x/847

Because the ratio has to be the same, we can substitute x for the number of boys and solve by the cross method or whatever you guys call it.

5            x

---   x    ------

7          847

The x in the middle is just to show the direction you are multiplying.

the 5 is multiplied by the 847 and the 7 is multiplied by x.

847 * 5 = 4,235

4,235  divided by 7 is 605

605 is your answer.

The cross method can be used in most situations.

* is used to represent multiplication btw

4 0
2 years ago
find the missing side. round to the nearest tenth. use pythagorean theorem to find the third side length​
emmasim [6.3K]

Answer:

x is tangent of 39 = x/ 19, tangent of 39 is 3. 615...... then 19 multiply by 3.615....., x would get 68. 68

Step-by-step explanation:

tangent is opposite over adjacent then put all your numbers in to the formula.

4 0
3 years ago
a restaurant needs to buy 587 new plates. If each box has 22 plates in it, how many boxes will they need to buy
jeka94

Answer:they need to buy 27 boxes of plates.


Step-by-step explanation:I do not like expaining things.


5 0
3 years ago
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If the markup rate is 50%, then the cost of a shirt that regularly sells for $60 is $40. true or false?​
Natasha2012 [34]

Answer:

false

Step-by-step explanation:

half of 60 dollars is 30

think of it as half of 6

5 0
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