3 years ago

Mary buys a 10-meter spool of thread for sewing. She uses 210 centimeters. How much is left on the spool in centimeters?

Mathematics

1 answer:

Margaret [11]3 years ago

6 0

100 cm = 1 meter

210 cm = 2.1 meters (multiply both sides by 2.1)

Mary uses 2.1 meters of thread so far, meaning she has 10-2.1 = 7.9 meters left

7.9 meters = (7.9 m)*(100 cm/1 m) = 790 cm

--------------------------------------

Alternate route:

10 meters = (10 m)*(100 cm/1 m) = 1000 cm

Mary uses 210 cm out of 1000 cm total, so she has 1000-210 = 790 cm left.

--------------------------------------

<h3>Answer: 790 cm</h3>

You might be interested in

ADULT

Scilla [17]

Answer:

£1.62

Step-by-step explanation:

add them all up then subtract 100 and forget about the negative sign

3 0

3 years ago

If a triangle has side lengths of 5.6 yards, 7.1 yards, and x yards, find the range of possible values of x.

ANTONII [103]

Hi!

To find the range of possible values of x, we have to side 1 from side 2...

7.1 - 5.6 = 1.5

The smallest side x could be is 1.5.
Now add side 1 to side 2

7.1 + 5.6 = 12.7

The biggest side x could be is 12.7

So x could be anywhere from 1.5 to 12.7 (or, 1.5 < x < 12.7)

Hope this helps! :)

7 0

3 years ago

Mr. Menedez ran 13.1 miles at a constant rate for 150 minutes. To find how fast he ran, you solve the equation 13.1 = x • 150. W

Elodia [21]

To find x, divide 13.1 by 150 to get <span>0.08733333333.</span>

5 0

3 years ago

One of the following functions is growing at the same rate as 4²

mina [271]

I’m gorilla da spinna RANGABANGIN ON MY CHEST

5 0

3 years ago