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Greeley [361]
4 years ago
10

Definition of quadratic function?

Mathematics
1 answer:
mezya [45]4 years ago
4 0

Answer:

ffdffdf

Step-by-step explanation:

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Mark had 312 books. He has 11 times more fiction than nonfiction. How many fiction does he have
andrew11 [14]
He has about 28 fiction books. Since 312 divided by 11 is equal to <span>28.3636363636, you can't have a decimal number for the amount of books, so you round down to 28. </span>
8 0
3 years ago
11. Sharon pays $98.75 for twenty-five
trasher [3.6K]

Answer:

$3.95

98.75 divided by 25

3 0
4 years ago
Read 2 more answers
How much bigger is 1/2 to 1/3
natka813 [3]

Answer:

16.777% (7 repeating)

Step-by-step explanation:

well 1/2 is 50% and 1/3 is 33.333% so i think its about 16.777%

4 0
4 years ago
Hello, can somebody please help me with this word problem? Thanks.
erastovalidia [21]
We are given that this is an ideal gas, and that the volume and presumably the number of moles of gas are constant. We can use Gay-Lussac's Law, which describes volume and pressure. We have that pressure is directly proportional to volume. For a change in a gas, we can write the equation as 
\dfrac{P_i}{T_i} = \dfrac{P_f}{T_f},
where i denotes initial and f denotes final.

We have that T_i=600 \ K, T_f=800 \ K, and P_f=30 \ atm. We need to find P_i. To do so, let's first rearrange Gay-Lussac's equation to solve for P_i.

\dfrac{P_i}{T_i} = \dfrac{P_f}{T_f} \\\\P_iT_f=P_fT_i\\\\P_i= \dfrac{P_fT_i}{T_f}

Now, we plug in our values to get P_i.

P_i= \dfrac{P_fT_i}{T_f}=\dfrac{30\ atm \ 600 \ K}{800 \ K} = 22.5 \ atm.

This seems like a reasonable value, because as temperature goes up, pressure goes up, and an increase in temperature corresponds to an increase in pressure.

Technically, you were given values with only one significant figure, so you can only report the value as 20 \ atm, but this depends on how your instructor usually does these problems!

4 0
3 years ago
Find two numbers whose difference is 176 and whose product is a minimum.
Zanzabum
Let the two required numbers be x and y, then x - y = 176, thus y = x - 176.

Let the product of the two numbers be represented by

P = xy x(x - 176) = x^2 - 176x

For the product to be minimum, \frac{dP}{dx} =0

\frac{dP}{dx} =2x - 176=0 \\  \\ \Rightarrow2x=176 \\  \\ \Rightarrow x=88

Thus, y = 88 - 176 = -88

Therefore, the two numbers are 88 and -88.
8 0
4 years ago
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