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Olenka [21]
3 years ago
8

A scientist uses 20 grams of carbon every 10 minutes during an experiment. If the experiment lasted 2 hours, how many total kilo

grams of carbon did they use?
Mathematics
2 answers:
viva [34]3 years ago
6 0
240 grams or 0.24 kilograms I think
ruslelena [56]3 years ago
4 0

Answer:

240 grams

Step-by-step explanation:

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Are 3+4x and 4x+3 equivalent
Ket [755]

Answer:

yes

Step-by-step explanation:

3 0
3 years ago
If an object has a Mass of 11g and a volume fo 13mil, what is its density?
tino4ka555 [31]

Step-by-step explanation:

Mass (m) = 11 g

volume (v) = 13 ml

density (d) = ?

We know density is defined as mass per unit volume so

d = m / v

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Density (d) = 0.85 g/ml

5 0
3 years ago
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jeka57 [31]

Answer:

4

Step-by-step explanation:

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3 years ago
Let f(y) = y^4 - 3y^3 + y - 3 and g(y) = y^3 + 7y^2 - 2. Find f(y) + g(y). Write your answer as a polynomial with terms of decre
Anarel [89]
<h3>Answer:   y^4 - 2y^3 + 7y^2 + y - 5</h3>

Work Shown:

h(y) = f(y) + g(y)

h(y) = (y^4 - 3y^3 + y - 3) + (y^3 + 7y^2 - 2)  

h(y) = y^4 - 3y^3 + y - 3 + y^3 + 7y^2 - 2  

h(y) = y^4 + (-3y^3+y^3) + 7y^2 + y + (-3 - 2)

h(y) = y^4 - 2y^3 + 7y^2 + y - 5

This is a fourth degree polynomial (aka quartic).

5 0
2 years ago
Three times the sum of a number and 18 and is at least -30
miss Akunina [59]

Answer:

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Step-by-step explanation:

5 0
2 years ago
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