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Tomtit [17]
2 years ago
11

HELP PLS THIS IS HARD

Mathematics
1 answer:
BaLLatris [955]2 years ago
5 0

Answer:

its the second one

Step-by-step explanation:

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How many cubes with side lengths of 1/4 does it take to fill this prism?
Zinaida [17]

Answer:

Step-by-step explanation:

There isn’t a picture its all black

Try to fix that lol

3 0
3 years ago
Plz answer this and explain how
Dahasolnce [82]

Answer:

Option H, π/3 and 2π/3

Step-by-step explanation:

sin x = sqrt(3) / 2

<em>It happens at 60 degrees and 120 degrees.  In radians, it is π/3 and 2π/3</em>

<em />

Answer:  Option H, π/3 and 2π/3

8 0
3 years ago
A solution of salt and water is 20% salt. If 25% of the water is removed, what is the percentage of salt in the new solution?
Ratling [72]
So lets say that this salt and water solution consists of 100 liters.

Then that means 20 liters is salt, and 80 liters out of the 100 is water.



Now, we remove 25% of the water. 25% of 80 liters is 20 liters. So, we are left with 80-20, or 60 liters.



Now in all we have 20 liters of salt, and 60 liters of water.

The percentage of salt in the new mixture will be 20/(20+60) = 20/80 = 25%.



Your answer is 25%
4 0
3 years ago
Need help with math problem if do 5 stars
Novosadov [1.4K]
Here it is I hope this is what u needed

6 0
3 years ago
Read 2 more answers
Liquid A has a density of 0.7g/cm^3
TiliK225 [7]
\rho = \frac{m}{V} \Rightarrow V=\frac{m}{\rho}
ρ - density, m - mass, V - volume

Liquid A:
\rho=0.7 \ \frac{g}{cm^3} \\&#10;m=140 \ g \\&#10;\\ V=\frac{140 \ g}{0.7 \ \frac{g}{cm^3}}=200 \ cm^3

Liquid B:
\rho=1.6 \ \frac{g}{cm^3} \\&#10;m=128 \ g \\&#10;\\ V=\frac{128 \ g}{1.6 \ \frac{g}{cm^3}}=80 \ cm^3

Liquid C:
m=140 \ g + 128 \ g=268 \ g \\&#10;V=200 \ cm^3 + 80 \ cm^3=280 \ cm^3 \\ \\&#10;\rho=\frac{268 \ g}{280 \ cm^3} \approx 0.96 \ \frac{g}{cm^3}

The density of liquid C is approximately 0.96 g/cm³.
5 0
3 years ago
Read 2 more answers
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