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valentinak56 [21]
3 years ago
13

a student studies the same amount of time each day for a test in 4 days she studied 60 minutes which equation shows this relatio

nship let x = the number of days
Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0
Y=mx
m=amount of time per day studied
y=time
x=number of days
we have
60=m(4)
divide by 4
15=m

y=15x

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He added 8 to both sides. He did the write thing.
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3 years ago
Paul travel to the lake and back. The trip took 3 hours and the trip back took 4 hours He averaged 10 mph faster on the trip the
ollegr [7]

Answer:

  40 mph

Step-by-step explanation:

We assume "outbound" refers to the trip <em>to the lake</em>. The ratio of speeds is inversely proportional to the ratio of times, so ...

  outbound speed : inbound speed = 4 : 3

These differ by one ratio unit, so that one ratio unit corresponds to the speed difference of 10 mph. Then the 4 ratio units of outbound speed will correspond to ...

  4×10 mph = 40 mph

Paul's average speed on the outbound trip was 40 mph.

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The distance to the lake was 120 mi.

4 0
3 years ago
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Solve the inequality 25x + 12y + 4 &lt;= 130
hodyreva [135]

31x is the answer ok


6 0
3 years ago
**I WILL GIVE BRAINLIEST TO THE PERSON WHO CAN HELP ME/AND 40 POINTS**
Mama L [17]

Tank calculations :

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r= 70 feet.

Volume = 1/4(4/3 * 3.14 * 70^3)

Calculating the values:

Volume = 359,000.67 ft.cubed

No we divide the actual radius by 6 to get the volume of scale model.

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╦────────────────────────────╦

│Hope this helped  _____________________│    

│~Derelis ____________________________ │

╨___________________________________╨                  

3 0
3 years ago
Read 2 more answers
A Gardener has 2 tulip bulb, 45 tomato plants, 108 rose bushes, and 126 herd seedling to plant in the city garden. He want each
NNADVOKAT [17]

Answer: <em> 9\ rows</em>

Step-by-step explanation:

<h3> <em>The complete exercise is:"A gardener has 27 tulip bulbs, 45 tomato plants, 108 rose bushes, and 126 herb seedlings to plant in the city garden. He wants each row of the garden to have the same number of each kind of plant. What is the greatest number of rows that the gardener can make if he uses all the plants?"</em></h3><h3 />

The first step to solve the exercise is to find the Greatest Common Factor (GCF) between 27, 45, 108 and 126.

You can follow these steps in order to find the GCF:

1. You must decompose 27, 45, 108 and 126into their prime factors:

27=3*3*3=3^3\\\\45=3*3*5=3^2*5\\\\108=2*2*3*3*3=2^2*3^3\\\\126=2*3*3*7=2*3^2*7

2. You must multiply the commons with the lowest exponents. Then:

<em>GCF=3^2\\\\GCF=9</em>

Therefore, the greatest number of rows that the gardener can make if he uses all the plants is:

9\ rows

3 0
3 years ago
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