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Furkat [3]
3 years ago
8

I WILL GIVE BRAINLIEST IF IT'S CORRECT AND THE BEST ANSWER

Mathematics
1 answer:
Papessa [141]3 years ago
8 0

Answer:

What is the median amount of salt left

Step-by-step explanation:

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The density of aluminum is 2.375 grams per cubic centimeter. Find the volume of a portion of a sheet of aluminum that has a mass
abruzzese [7]
This is the concept of density, volume and mass of different materials; To calculate for the volume of an aluminium material with density of 2.375 grams per cubic centimeter and a mass of 0.78 Kilogram we proceed as follows;

Density=mass/volume
making volume the subject we get;
volume=mass/density
thus;
mass=0.78 kg= 780 g
density=2.375 g/cm^3
Hence,
volume=780/2.375=328.421 cm^3
6 0
4 years ago
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Quick I need help 23 and 24 easy seventh grade math
Alekssandra [29.7K]

Answer:-14, -26

Step-by-step explanation:

13-4=9

4-9=-5

From here you can see that the pattern is -9

-5-9=-14

23. is -14

16-2=14

2-14=-12

From here you can see that the pattern is -14

-12-14=-26

24. is -14

6 0
4 years ago
A gas station operates two pumps, each of which can pump up to 10,000 gallons of gas in a month. the total of gas pumped at the
erma4kov [3.2K]
Given that a<span> gas station operates two pumps, each of which can pump up to 10,000 gallons of gas in a month and that the total of gas pumped at the station in a month is a random variable y (measured in 10,000 gallons) with a probability density function (p.d.f.) given by

f(y)=\begin{cases}&#10;      cy, & \text{if} \ \ 0\ \textless \ y\ \textless \ 1 \\&#10;      (2-y), & \text{if} \ \ 1\leq y\ \textless \ 2 \\&#10;      0, & \text{elsewhere}&#10;    \end{cases}

Part A:

The value of c that makes f(y) a pdf is obtained as follows:

F(\infty)= \int\limits^{\infty}_{-\infty} {f(y)} \, dy=1  \\  \\ \Rightarrow \int\limits^1_0 {cy} \, dy +\int\limits^2_1 {(2-y)} \, dy=1 \\  \\ \Rightarrow \left. \frac{cy^2}{2} \right]^1_0+\left[2y- \frac{y^2}{2} \right]^2_1=1 \\  \\ \Rightarrow  \frac{c}{2} +4-2-2+ \frac{1}{2} =1 \\  \\ \Rightarrow \frac{c}{2} = \frac{1}{2}  \\  \\ \Rightarrow \bold{c=1}



Part B:

We compute E(y) as follows:

E(y)=\int\limits^{\infty}_{-\infty} {yf(y)} \, dy \\  \\ =\int\limits^1_0 {y^2} \, dy +\int\limits^2_1 {(2y-y^2)} \, dy \\  \\ =\left. \frac{y^3}{3} \right]^1_0+\left[y^2- \frac{y^3}{3} \right]^2_1 \\  \\ = \frac{1}{3} +4- \frac{8}{3} -1+ \frac{1}{3}  \\  \\ =1

Therefore, E(y) = 1.
</span>
5 0
3 years ago
Why is it important that the definition of logarithms states that the base of the logarithm does not equal 1?
lys-0071 [83]
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If b = 1, then we will have

\log_b(x) = \frac{\log(x)}{\log(b)}

\log_1(x) = \frac{\log(x)}{\log(1)} = \frac{\log(x)}{0}

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5 0
4 years ago
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What is 0.98 rounded to the nearest thousandth?
aksik [14]
0.98 is already rounded
it may also be asking for 0.980, which is equal but shows the thousandth place
6 0
3 years ago
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