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3 years ago

13

at a certain point in time, each dimension of a cube of ice is 30 cm and is decreasing at the rate of 2cm/hr. how fast is the ic

e melting

1 answer:

stiks02 [169]3 years ago

5 0

The ice cube will be completely melted in 15 hours

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Which is bigger 3/7 or 2/5

Svetradugi [14.3K]

To compare fractions you need to make their denominators the same and then compare their numerators.

$\frac{3}{7}=\frac{3 \times 5}{7 \times 5}=\frac{15}{35} \\ \\
\frac{2}{5}=\frac{2 \times 7}{5 \times 7}=\frac{14}{35} \\ \\
15 \ \textgreater \ 14 \xrightarrow{so} \frac{15}{35} \ \textgreater \ \frac{14}{35} \xrightarrow{so} \frac{3}{7} \ \textgreater \ \frac{2}{5}$

3/7 is bigger.

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3 years ago

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Formulate the quadratic function that contains the points (-1,2) , (0,-1) , (2,5)

Romashka-Z-Leto [24]

Answer:

f(x) = 2x^2 - x - 1

Step-by-step explanation:

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3 years ago

61 = m + - 8 what would be m

Zigmanuir [339]

Answer:

m would be 69!

Step-by-step explanation:

61 = m - 8

61 + 8 = m - 8 + 8

69 = m

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3 years ago

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Answer this and explain and ill give u a brainly

AlekseyPX

Answer:

Its 6!

Step-by-step explanation:

Add up all the numbers then divide by the amount of numbers u added!

12+5+7+4+10+3+7+4+2=54

54÷9=6

Hope this helps!

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3 years ago

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For EASY BRAINLIEST!!! <br><br> Answer as many as you can !!

svlad2 [7]

That’s a lot of work to do but you probably got it by now .

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4 years ago