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3 years ago

How many cubes with an edge length of 1/2 are needed to fill a rectangular prism that is 2in by 2in by 3in

Mathematics

1 answer:

siniylev [52]3 years ago

8 0

Answer:

Step-by-step explanation:

2in by 2in by 3in

if each cube is 1/2 edge length then

4 by 4 by 6

4x4x6

16x6

96 cubes are needed

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What is 12/25 divided by 4

vekshin1

$\frac{ \frac{12}{25} }{4} \\ \\ \frac{12}{25}* \frac{1}{4 } \\ \\ \frac{12*1}{25*4} \\ \\ \frac{12}{100} \\ \\ \frac{3}{25}$

8 0

3 years ago

Read 2 more answers

18.75 + (12.8 x 3) - 16.28

Luba_88 [7]

Answer: 40.87

Step-by-step explanation:

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3 years ago

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Answer of u know pleaseee

wlad13 [49]

Answer:

Step-by-step explanation:

(10 1/3)/(2/3) = 15.5

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3 years ago

Half-life of Po-210 is 140 days. If the initial mass of the sample is 5

Anna35 [415]

Answer:

$0.625kg$

Step-by-step explanation:

we are given half-life of PO-210 and the initial mass

we want to figure out the remaining mass after 420 days

in order to solve so we can consider the half-life formula given by

$\displaystyle f(t) = a {0.5}^{t/T}$

where:

f(t) is the remaining quantity of a substance after time t has elapsed.
a is the initial quantity of this substance.
T is the half-life

since it halves every 140 days our T is 140 and t is 420. as the initial mass of the sample is 5 our a is 5

thus substitute:

$\displaystyle f(420)=5\cdot{0.5}^{420/140}$

reduce fraction:

$\displaystyle f(420)=5\cdot{0.5}^{3}$

By using calculator we acquire:

$\displaystyle f(420)=0.625$

hence, the remaining sample after 420 days is 0.625 kg

4 0

3 years ago

(PLEASE HELP ASAP) Marc mixes blue and yellow paint to make his favorite shade of green, which he'll use to paint his house. He

azamat

He can use 14 cans of blue and 20 cans of yellow because blue goes up by 2 and yellow goes up by 3 each time hope this helped (mark brainliest?)

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2 years ago