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il63 [147K]
2 years ago
5

Please anyone help!!

Mathematics
2 answers:
Marianna [84]2 years ago
8 0

Answer:

4

Step-by-step explanation:

Otrada [13]2 years ago
4 0

Answer:

your answer will be <u>4</u>

Step-by-step explanation:

hope it helps you

have a great day!!

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For every 6kg a child's weight, pediatricians prescribe 17mg of acetaminophen. If Lexie weighs 48 kg, how many milligrams of the
Finger [1]
The answer will be 136mg
48/6=8
8*17=136mg
5 0
3 years ago
Sam is practing long track speed skating at an ice skating rink. The distance around the rink is 250 yards. He has skated around
lutik1710 [3]

There are 1760 yards in one mile and the rink is 250 yard in perimeter.

This means 3 miles is 5280 yards. 

 

If Sam has already gone around the whole rink 6 times, that means he was traveled a total of 1500 yards.  

Sam has 3780 more yards to travel 3 miles.

This means he needs to do 15.12 more laps around the rink.  Or 16 if you are rounding.

Hope this helps! :)

7 0
3 years ago
It takes Alexandra 2 hours and 44 minutes to cut the grass. Austin needs 3 hours and 14 minutes to cut the grass. If they work t
Vedmedyk [2.9K]
For problems such as this, it can be handy to remember that
.. 1/(1/a +1/b) = ab/(a +b)

The time required to do a job is the inverse of the rate at which the job is done. Rates are added when people work together (in math problems, not in real life).

(2:44)*(3:14)/(2:44 +3:14) = 1:28:52.3

___
2:44 = 41/15 hours = 82/30 hours
3:14 = 97/30 hours
Using the formula above, we have a "working together" time of
.. (82/30)*(97/30)/(82/30 +97/30) = 82*97/(30*179) = 3977/2685 . . . hours
.. = 1 hour 28 156/179 minutes
.. = 1 hour 28 minutes 52 52/179 seconds

___
Learn to use the fraction functions on your calculator. They can be very helpful.
6 0
3 years ago
13+7*12+9= How would I show my work and get the answer to this problem
Ksivusya [100]
Use PENDAS
multiply first then add, so 13+ 84 +9 = 106
4 0
3 years ago
The graph of the function f(x) = (x + 2)(x − 4) is shown. On a coordinate plane, a parabola opens up. It goes through (negative
vichka [17]

Answer:

c

Step-by-step explanation:

all real values of x where 1 < x < 4

5 0
3 years ago
Read 2 more answers
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