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garri49 [273]
3 years ago
15

One lap around a track is equal to one-fourth of a mile. A horse ran a distance of 77 laps in 22 minutes and 30 seconds. What wa

s the horse's average speed in miles per minute?
Mathematics
1 answer:
Ilya [14]3 years ago
7 0

Answer:

0.855 miles/minute

Step-by-step explanation:

First you have to find out how many miles the horse went. The track is .25 miles for one lap. You divide the number of laps (77) by 4 to get the number of miles the horse went (19.25 miles). Then you divide the number of miles the horse went (19.25) by the number of minutes it took the horse to go that far (22.5 minutes). 19.25/22.5= 0.855 miles a minute.

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A theater has 1200 seats. Each row has 20 seats. Write and solve and equation to find the number x of rows in the theatre
vfiekz [6]

Answer:

1200÷20=x and x=60

Step-by-step explanation:

  60

x 20

---------

1200

8 0
3 years ago
How do I solve proportions? Here’s my questions: <br><br> 1. x/8=5/16<br> 2. 5/12=15/x
Flura [38]

Proportions are very simple once you get the hang of them! What you do is cross multiple. :)

1. x/8=5/16

You first start by multiplying x and 16

Then multiply 5 and 8

So now you have 16x=40

Finally divide 16 from each side

You get: x+0.4!

2. 5/12=15/x

Remember to cross-multiply!

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You get: x=36!

7 0
3 years ago
Kamoira bought 8 pizzas for $131.36. Each pizza cost the same amount. What was the cost of each pizza in dollars and cents?
Veseljchak [2.6K]

Step-by-step explanation:

so, you don't know what a division is for ?

it is to ask things like "how often does one number fit into another number", or "how big will each piece be, if I split something into a certain number of equally sized pieces ?".

this is what we need here.

8 pizzas for $131.36. and each pizza costs the same. you see how that connects to what I just described above ?

to find how much each pizza cost, we need to divide the total price by 8, to find the size (= here the price) of each of the equally big parts of the total price.

131.36 / 8 = $16.42

6 0
2 years ago
Which system is most easily solved by graphing and why?
inn [45]

Answer:

System A should be solved by elimination because you can easily cancel out the 3m to solve.

System B should be solved by substitution.  Since the an equation for the y value is given, you can easily substitute it into the other equation.

System C should be solved by graphing.  You don't have to worry about any slopes or intercepts to graph.  You can graph it using only whole numbers.

8 0
3 years ago
In the circle below, QS is a diameter. Suppose m RS<br> 134º and m ZSRT = 44º. Find the following.
I am Lyosha [343]

Answer:

m<QRT=90 ° the inscribed angle from the diameter is 90

5 0
3 years ago
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