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Setler [38]
4 years ago
12

How many times does the average adult human heart beat in 1 hour

Mathematics
1 answer:
Alenkasestr [34]4 years ago
7 0
4,200 beats per hour
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Kath starts with a number. she adds 3 to her number then double the result. finally, she subtracts 7. if she ended with 9, what
Dimas [21]
The answer is 5. Work backwards: first add 7 to 9, then divide by 2, then subtract 3.

9+7=16
16/2=8
8-3=5

Cross Check:
5+3=8
8*2=16
16-7=9

Final Answer: 5
4 0
3 years ago
On Saturday, Cannor drives 62 1/4 miles each hour. If he travels 4 hours, how many miles does he travel altogether?
Kisachek [45]

Answer:

he travels 249 miles on saturday

Step-by-step explanation:

<u>  62.25        </u>    <u>  x</u>

     1          =       4

you must multiple the distance travled in one hour by the number of hours of driving. In this case 4. This is if he did not change speeds ;)

4 x 62.25 = 249 miles

Hope this helps :)  Please mark brainliest if you see fit :)

3 0
3 years ago
One batch of walnut muffins uses 1 1/3 cups of walnuts. How many cups of
natali 33 [55]

Answer:

5 cups

I would appreciate Brainliest but no worries.

8 0
3 years ago
Maths pi question. SEE ATTACHMENT
adelina 88 [10]

Answer:

r = 6cm

Step-by-step explanation:

The area of a circle is given by

A = pi r^2 where r is the radius

36 pi = pi r^2

Divide each side by pi

36 pi/pi = pi r^2/ pi

36 = r^2

Take the square root of each side

sqrt(36) = sqrt(r^2)

6 =r

The radius is 6 cm

r = 6cm

8 0
3 years ago
Read 2 more answers
Help ok bye<br> Yes <br> 12 points
IgorLugansk [536]

       

-216x3y12(i dont know how to make the superscripts but the 3 and the 12 are one of them)

4 0
2 years ago
Read 2 more answers
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