4 years ago

What is 900 out of 8

Mathematics

1 answer:

snow_tiger [21]4 years ago

5 0

Answer:

I believe you have to divide 900 by 8

Step-by-step explanation:

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Estimate 1<br> 9 1/3 divided by 3 2/3

shepuryov [24]

Answer:

about seven

Step-by-step explanation:

the answer to the equation is 7.25, estimate that and you get 7

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3 years ago

3/4•3/4???? I can’t do it in my head and I don’t know how to make a decimal into a fraction

Monica [59]

Answer:

0.5625

Step-by-step explanation:

3/4 as a decimal is 0.75

0.75×0.75=0.5625

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3 years ago

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Use the substitution method to solve the following system of equations:

Ivenika [448]

Using the first equation:
4x = y + 3 ---> y = 4x - 3
We then substitute this into the second equation:
7x - 9(4x-3) = -2 ---> 7x - 9x + 27 = -2 ---> -2x = -29 ---> x = 14.5

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3 years ago

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What is the missing value , 2/3 and n/12

gavmur [86]

N=8
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8 0

3 years ago

Newton’s law of cooling states that the temperature of an object changes at a rate proportionalto the difference between the tem

Verizon [17]

Answer:

$\frac{dT}{dt} = -0.05\;min^{-1} (T-70\ºF)$

Step-by-step explanation:

Hi!

Lets call:

T = temprature of the object

T₀ = temperature of surroundings

t = time

The rate of change of T is its derivative with respecto to time. If T > T₀, the object looses heat, so T decreases. Then, being k > 0:

$\frac{dT}{dt} = -k(T-T_0) \\$

In this case T₀ = 70ºF and k = 0.05/min. Then the differential equation is:

$\frac{dT}{dt} = -0.05\;min^{-1} (T-70\ºF)$

3 0

3 years ago