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8090 [49]
3 years ago
9

Jackie wants to burn 2000 calories in one week she can burn 250 calories per hour doing aerobics. How many hours should Jackie d

o aerobics that week​
Mathematics
1 answer:
Crank3 years ago
8 0

Answer:

8 hours

Step-by-step explanation:

If Jackie wants to burn 2000 calories in one week but only burns 250 calories per hour

then, to solve how many hours you have to divide

2000/250= 8

therefor Jackie has to do aerobics for 8 hours that week to burn 2000 calories

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The highest calorie treat tested by the group was 1,270 total calories. People need roughly 2,200 to 2,500 calories per day. Usi
Anastaziya [24]

Step-by-step explanation:

1270 + 2200+2500 ÷3

1270 + 2200 + 2500 \div 3

7 0
2 years ago
The distance between Joshua's home and school is 800 m. Joshua takes 5 min to walk
Fynjy0 [20]

Answer:

= 0.38 m/s

Step-by-step explanation:

▪Total distance = 800 m

5 min = 100 m

▪Remaining distance = 800 - 100 = 700 m

20 min = 700 m

▪Total time taken = 20 + 10 + 5 = 35 min

If 1 min = 60 sec

What about 35 min = ?

= 35 x 60

= 2100 sec

▪Average speed = TD ÷ TT

= 800 ÷ 2100

= 0.38 m/s

7 0
3 years ago
Identify the terms of the expression. 3r^2+4r+8
Andreas93 [3]

Answer:

The terms

Step-by-step explanation:

The terms in this expression are coefficients, constants, variables, and exponents. 3 and 4 would be the coefficients. 8 would be the constant. r is the variable and 2 is the exponent.

4 0
2 years ago
Read 2 more answers
Kendal ate 27 1/2 cookies in 5 1/2 minutes. How many cookies does she eat per minute?
hjlf

Answer:

5

Step-by-step explanation:

Kendall needs to lay off of the cookies lol

5 0
3 years ago
Read 2 more answers
Noor rode her bike two fifth mile in one twelfth hour. At this rate, how far would Noor ride her bike in 1 hour?
Liula [17]
2/5 in 1/12 of an hour

x in 1 hour

So multiply 12 to both fractions

2/5 x 12 in 1/12 x 12 of an hour

We get now:

24/5 in 1 hour

or:

4 4/5 in 1 hour


8 0
3 years ago
Read 2 more answers
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