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Svetlanka [38]
3 years ago
12

Quick need help for this question

Mathematics
1 answer:
Tasya [4]3 years ago
6 0
It’s c I did this in my class
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What is the mass of a 15cm cube of lron if density of iron is 78grams/cm
amm1812

Answer:

M = 1170 g

Step-by-step explanation:

Mass = density × volume

M = p x v

M = 78 x 15

M = 1170 g

3 0
2 years ago
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Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. Whe
svp [43]

Answer:

Step-by-step explanation:

This is exponential, of the form

y=a(b)^x where a is the initial amount and b is the growth/decay rate. If Ginny begins the study with 1200 frogs in the population, our a value is 1200.

If the population is decreasing 3% per year, it is decreasing 100% - 3% = 97% which, as a decimal, is .97. Our exponential function, then, is

y=1200(.97)^x

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2 years ago
Work out the smallest integer value of x that satisfies the inequality 4x-3>22. ( I have not learned this question in maths )
matrenka [14]

4x>22+3

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3 years ago
Please help <br> -HA<br> -LL<br> -HL<br> -LA
yulyashka [42]

Answer:

Ha

Step-by-step explanation:

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I hope this helps you

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