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vagabundo [1.1K]
3 years ago
14

Jim had 15 minutes to do 5 laps around his school what would his time be

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

Answer:

Step-by-step explanation:

per lap? If it is not per lap, you are going to have to edit the question.

5 laps = 15 minutes

1 lat = x                        Cross multiply this is a proportion  

5x = 15 minutes           Divide by 5

5x/5 = 15/5              

x = 3 minutes.

It takes him 3 minutes to do one lap.

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Can someone please help?
Keith_Richards [23]

Answer:

I'm inclined to say A) 1/5

Step-by-step explanation:

Because it goes up 1 and over to the right 5. Meaning the plant grows 1 inch every 5 days.

Hope this helps :)

Also, please let me know if I'm somehow wrong, thank you.

7 0
3 years ago
We have considered a regression equation to predict life expectancy from percent of government expenditure on health care, using
IgorC [24]

Answer:

(a) A country which puts only 3% of its expenditure into health care. = (41.8,85.2)

(b) A country which puts 10% of its expenditure into health care= (47.92,89.29)

(c) A country which puts 50% of its expenditure into health care= (63.33,132.17)

Explanation:

Country                              Health Life expectancy

1 Iceland                               15.76            83.1

2 Kazakhastan                       40.90   70.5

3 Lesotho                                 14.48 49.3

4 Uzbekistan                          9.68 68.2

5 Peru                                  14.75 74.8

6 Iraq                                          5.99 69.5

mb=1m (life expectancy - Health, data=d1)

new data1 = data. frame (Health = 3)

new data2 = data. frame (Health = 10)

new data3= data. frame (Health = 50)

Predict (mb,newdata1, interval= "prediction)

                fit                   owr                 upr

1            63.506          41.7298           85.2192

>Predict (mb,newdata2, interval = "prediction)\

                 fit                   owr                 upr

1            68.6062          47.9192           89.29321

>Predict (mb,newdata3, interval = "prediction)

                fit                   owr                 upr

1            97.750            63.3292         132.1713

(a) A country which puts only 3% of its expenditure into health care. = (41.8,85.2)

(b) A country which puts 10% of its expenditure into health care= (47.92,89.29)

(c) A country which puts 50% of its expenditure into health care= (63.33,132.17)  

8 0
3 years ago
How many 3/4-cup servings are in 1/2 of a cup of milk? Write your answer in simplest form.
qwelly [4]
The answer to this question would be: 0.375 cups of milk

In this question, you are asked how many cups of milk is 3/4 serving from 1/2 cup of milk. To answer this, you need to multiply the number of serving with the serving size.

If one serving is 1/2 cups of milk, then 3/4 servings would be:
3/4 servings * (0.5 cups / serving)= 3/8 cups of milk = 0.375 cups of milk
6 0
3 years ago
Can someone help me and show how to write the perimeter equation to this polygon.
faltersainse [42]

10x + 8 = 21

x = 1.3

Step-by-step explanation:

a)

In pentagon ABCDE,

AB = DE = 2x + 3 and BC = CD = x + 1

Perimeter of pentagon ABCDE = 21

4x + 2(2x + 3) + 2(x + 1) = 21

4x + 4x + 6 + 2x + 2 = 21

\purple {\boxed {\bold{10x + 8 = 21}}}

b)

10x = 21 - 8

10x = 13

x =  \frac{13}{10}  \\ x = 1.3 \: cm

4 0
3 years ago
Read 2 more answers
4xy is the greatest common factor of 36xy^2 - 48x^2y
creativ13 [48]

Answer:

Step-by-step explanation:

12xy(3y - 4x)

the GCF is 12xy

6 0
3 years ago
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