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Leona [35]
3 years ago
14

Number 18??? I need help

Mathematics
2 answers:
Anna [14]3 years ago
7 0

Answer:

3.86 Miles

Step-by-step explanation:

  • 2 Miles ran.
  • 220 Calories burned.

1 Mile = 110 Calories

110 × 3.86 = 424.6 Calories

424.6 rounds to 425 Calories

Hope this helps.

#FORTHEPUPPIES

Anna [14]3 years ago
6 0
I think it’s 4 miles as you divide 220 by 2 to get the amount of calories burned in one mile which is 110 and then to burn 425 you would need about 4 miles
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What strategy would be the best to solve this problem?
neonofarm [45]

Answer:

32 years old

Step-by-step explanation:

Reverse what the teacher said. Half 120 to get 60. Subtract 28 from 60. The teacher is 32.

5 0
3 years ago
A poll was taken this year asking college students if they considered themselves overweight. A similar poll was taken 5 years ag
Katyanochek1 [597]

Answer:

At 5% significance level, it is statistically evident that    there is nodifference in the proportion of college students who consider themselves overweight between the two poll                                  

Step-by-step explanation:

Given that a poll was taken this year asking college students if they considered themselves overweight. A similar poll was taken 5 years ago.

Let five years ago be group I X and as of now be group II Y

H_0: p_x =p_y\\H_a: p_x \neq p_y

(Two tailed test at 5% level of significance)

                Group I            Group II              combined p

n                  270                 300                         570

favor            120                  140                          260

p                   0.4444            0.4667                   0.4561

Std error   for differene = \sqrt{\frac{0.4561(1-0.4561)}{570} } \\=0.0209

p difference = -0.0223    

Z statistic = p diff/std error =       -1.066

p value =0.2864

Since p value >0.05, we accept null hypothesis.

        At 5% significance level, it is statistically evident that    there is nodifference in the proportion of college students who consider themselves overweight between the two poll                                  

7 0
3 years ago
How old am I if 400 reduced by 2 times age is 244
zalisa [80]
440- 2x= 244 // simplify the equation given
3 0
3 years ago
I'm not sure how to do this please help
IgorLugansk [536]

Answer:

maria will run 1.75 more miles than her goal

Step-by-step explanation:

If you multiply 2.75 to 7 days you will get 19.25. And if you subtract it by 17.5(because that's her goal) you will get 1.75.

So the answer to this question would be:

Maria will run 1.75 more mile than her goal.

7 0
3 years ago
15 points I think i need help
Aleksandr-060686 [28]

Answer:

There are 104.5 centiliters of paint in the mixture.

Step-by-step explanation:

Since you have a total of .50 liters of paint you would just look at the measurement and split it in half which would give you 100 centiliters and then you would add the 4.5 centiliters to the 100 and you would get 104.5 centiliters of paint.

7 0
3 years ago
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