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Stella [2.4K]
3 years ago
14

What is the weight per cm? ​

Mathematics
2 answers:
lubasha [3.4K]3 years ago
6 0
Your answer will be 2/5 g/cm it is correct ✨
Dmitry [639]3 years ago
5 0

Answer:

  2/5 g/cm

Step-by-step explanation:

When you want to know "A per B", divide the given quantity of A by the corresponding quantity of B. ("Per" essentially means "divided by".)

It can be convenient to choose table values that make the division easy:

  12 g/(30 cm) = 4/10 g/cm = 0.4 g/cm

  20 g/(50 cm) = 2/5 g/cm . . . . . . . . . . . . . same as 0.4 g/cm

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Mary mixes white paint and blue paint in the ratio 2:5.
sukhopar [10]

Answer:Add 44 liters blue

Step-by-step explanation:Mary has 20 liters of paint mixed white:blue in the ratio 2:3.  So two fifths of that paint is white and three fifths is blue.  So that's 8 liters white, 12 liters blue.

We want to add paint to get white:blue = 1:7.  Clearly we need to add blue.  We have our 8 liters of white, so we need a total of 7(8)=56 liters of blue.  We already have 12, so we have to add 56-12=44 liters of blue paint:

6 0
3 years ago
Write 3.5 • 4 using words
Elena-2011 [213]

Answer:

I dont understand if you wanted the answer or just the equation, so I did both.

Three-point five times four

Three-point five times four equals fourteen.

Fourteen

Hope that helps!

If it did, plz mark brainiest, im trying to level up :3

Have a great day!

5 0
2 years ago
Edgar earned $9 for every 2 boxes of candy he sold for his school's fundraiser. At that rate, how much would
Eddi Din [679]

Answer:

108

Step-by-step explanation:

divide 9 by 2, you get 4.5. multiply that by 24 and you get your answer.

6 0
3 years ago
Curtis wants to save money for a trip overseas. Curtis invests $900 in an account that pays an interest rate of 8.75%. How many
professor190 [17]
Hi there
The formula is
A=p (1+r)^t
A future value 11700
P present value 900
R interest rate 0.0875
T time?
We need to solve for t
T=log (A/p)÷log (1+r)
So
T=log(11,700÷900)÷log(1+0.0875)
T=30.6years round your answer to get
T=31 years

Hope it helps
7 0
3 years ago
Read 2 more answers
An<br>5. A train travelled 720 km in 9 h. How far<br>would it travel in 11 h?​
Citrus2011 [14]

Answer:

The train would travel 880 km in 11 hours.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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