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3 years ago

15

Risa is sewing a ribbon around the sides of a square blanket. Each side of the blanket is 72 inches long, how many inches of the

ribbon will risa need?

1 answer:

vaieri [72.5K]3 years ago

5 0

72*4=288in of ribbon

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Water has a density of 1.00g/cm^3 per cubic centimeter. What is the mass of half a liter of water?

anygoal [31]

Answer:

The mass of half a liter of water is 500g, that is, 0.5kg.

Step-by-step explanation:

Density is mass divided by the volume, that is:

$d = \frac{m}{v}$

Here, we have to be careful. Since the density is in grams per cm³, m has to be in grams and v in cm³.

We have that:

$d = 1$

What is the mass of half a liter of water?

One liter is 1000 cm³.

So half a liter is 1000/2 = 500 cm³, which means that $v = 500$

Then

$d = \frac{m}{v}$

$1 = \frac{m}{500}$

$m = 500$

The mass of half a liter of water is 500g, that is, 0.5kg.

7 0

3 years ago

find two numbers, both smaller than 100, that have common multiple of 450 and highest common factor of 15

Alex_Xolod [135]

Answer:

hello :

90 = 15×6

75 = 15× 5

highest common factor of 90 and is 15 because highest common factor of 5 and 6 is 1

90 = 3² ×2×5

75= 5^3

common multiple of 90 and 75 is : 3²×2×5² = 450

90 and 75 both smaller than 100.

3 0

3 years ago

9−z9, minus, z when z = 8z=8z, equals, 8.

Andrew [12]

Equal is 89 cause z9=8z

3 0

3 years ago

PLEASE ANSWER IM GIVING OUT MOST OF MY POINTS AND ILL GIVE BRAINLIEST TO THE ONE THAT MAKES THE MOST SENSE AND IS well JUST THE

UkoKoshka [18]

Answer:

25 minutes

Step-by-step explanation:

50÷10=5

5×5=25

hopefully this helps :)

8 0

3 years ago

Read 2 more answers

Which is the correct answer?

dlinn [17]

Answer:

A

Step-by-step explanation:

6 0

3 years ago