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lions [1.4K]
3 years ago
14

PLEASE HELP!!!

Mathematics
2 answers:
Cloud [144]3 years ago
8 0
Total exercise time answer is C

Total calories burned answer is B

The athlete spent 38 minutes on the rowing machines

The athlete spent 22 minutes on the stair climber
maks197457 [2]3 years ago
3 0

Answer:

1) B x+y=60 and C 10x+11.5y=633

Step-by-step explanation:

2) x+y=60

   10x+11.5y=633

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230 calories in a 48 g packet ñ how many calories in a9.6g bag
Elden [556K]

Answer:

46

Step-by-step explanation:

230 divided by 5

3 0
2 years ago
The cost in dollars y of producing x computer
soldier1979 [14.2K]

Answer:

Step-by-step explanation:

a. table

x = 100,y = 20*100+3000 = 2000+3000 = 5000

x = 200,y = 20*200+3000 = 4000+3000 = 7000

x = 300,y = 20*300+3000 = 6000+3000 = 9000

b:

y = 4300

4300 = 20x+3000

20x = 4300-3000

20x = 1300

x = 1300/20

x  = 65

so 65 computer desks can be produced.

4 0
3 years ago
125,600 surface area converted to volume?
Illusion [34]

Answer:

1256000

Step-by-step explanation:

My example:

Find the radius of the sphere by substituting 4.5? ft^3 for V in the formula in Step 1 to get: V=4.5? cubic feet.= (4/3)?(r^3)

Multiply each side of the equation by 3 and the equation becomes: 13.5 ? cubic feet =4?(r^3)

Divide both sides of the equation by 4? in Step 4 to solve for the radius of the sphere. To get: (13.5? cubic feet)/(4?) =(4? )(r^3)/ (4?), which then becomes: 3.38 cubic feet= (r^3)

Use the calculator to find the cubic root of 3.38 and subsequently the value of the radius “r” in feet. Find the function key designated for cubic roots, press this key and then enter the value 3.38. You find that the radius is 1.50 ft. You can also use an online calculator for this calculation (see the Resources).

Substitute 1.50 ft. in the formula for SA= 4?(r^2) found in Step 1. To find: SA = 4?(1.50^2) = 4?(1.50X1.50) is equal to 9? square ft.

Substituting the value for pi= ?= 3.14 in the answer 9? square ft., you find that the surface area is 28.26 square ft. To solve these types of problems, you need to know the formulas for both surface area and volume.

8 0
3 years ago
What is the answer to this problem
Aleonysh [2.5K]

Answer:

All of the above

Step-by-step explanation:

6 0
3 years ago
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Which statement is NOT true of mitosis?
Vilka [71]

Answer:

D, it is a way or dying cells can be replaced

Step-by-step explanation:

3 0
2 years ago
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