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ivann1987 [24]
3 years ago
7

If 1 cm = 200 meters, how many meters is 4.2 cm

Mathematics
2 answers:
sergejj [24]3 years ago
7 0

Answer:

0.042

Step-by-step explanation:

olga nikolaevna [1]3 years ago
5 0

Answer:

840

Step-by-step explanation:

1cm=200m

200 × 4.2=x

840=4.2

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Brums [2.3K]

Answer:

196

Step-by-step explanation:

70% multiply by 4/5(80%) which is 56%

56% times 350

7 0
2 years ago
5/6 of the students completed homework last night, but only 3/4 of those students did their work correctly. How many students di
Kisachek [45]

Answer:


Step-by-step explanation:

first your going to do the least common multiple which is 12 for both then your going to subtract because were trying to find out how many students did there work correctly. so, whatever you do to the denominator you do to the numerator so, its going to be 10/12 - 9/12= 1/12 is your answer.

8 0
3 years ago
Ya'll how do I graph this? I haven't graphed anything in 3 years
Artyom0805 [142]

Answer:

I hope you get it .............

4 0
3 years ago
A worker has dug 5 holes for a fence post. It will take 20 minutes to dig each addional
anzhelika [568]

Answer:

it 100

Step-by-step explanation:

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then add the zero so 100

5 0
2 years ago
If the circumference is 31.4, what are the radius and the area?
jekas [21]

Answer:

radius = 5 units

area of a circle = 15.7units²

Step-by-step explanation:

given that the circumference of a circle = 31.4

radius = ?

recall that the formulae for finding the circumference of a circle  =  2πr

circumference of a circle  = 2 x 3.14 x r

31. 4 = 6.28r

divide both sides by the coefficient of r which is 6.28

31.4/6.28 = 6.28r/6.28

5 = r

radius = 5 units

therefore the radius of the circle whose circumference is 31.4 units is evaluated to be 5units

to find the area of the circle

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area of a circle = 3.14 x 25

area of a circle = 15.7units²

7 0
3 years ago
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