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bekas [8.4K]
3 years ago
14

Evaluate the function f(-6) if f(x) = 3x+9

Mathematics
2 answers:
horsena [70]3 years ago
5 0

Answer:

f(-6) = -9

Step-by-step explanation:

here, you substitute -6 for x in the function

f(x) = 3x + 9

f(-6) = 3(-6) + 9

f(-6) = -18 + 9

f(-6) = -9

nirvana33 [79]3 years ago
4 0

Answer:

额哈哈哈哈哈哈啊啊啊看看我看情况

Step-by-step explanation:

额哈哈哈哈哈哈哈叭叭叭那那那鸡尾酒

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the ratio of men to women at a class is 6 to 5 how many women students are there if there are 3600 men
torisob [31]
Ratio is 6:5
6+5=11

Men: 6 parts of 11 = 3600

6=3600
1=x
X=3600/6
=600.

Women: 5 parts of 11
1 part = 600
5 parts = 600x5
=3000
7 0
4 years ago
I have three times as much money as does my brother. Our combined total is $42. How much does each of us have?
nika2105 [10]
For an instance, i stands for the money that you have, and b stands for the money that brother has.
An equation system based on the problem would be
i + b = 42 (equation 1)
i = 3b (equation 2)

Use substitution method to solve the problem
substitute 3b into i in the equation 1
i + b = 42
3b + b = 42
4b = 42
b = 42/4
b = 10.5

substitute the value of b into the equation 1
i = 3b
i = 3(10.5)
i = 31.5

You have $31.5 and your brother has $10.5
4 0
3 years ago
In a DC circuit, the product of volts times the amperes is called?
Kruka [31]
True power hope this helps, I got it from quizlet
3 0
3 years ago
Read 2 more answers
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
First,i would rewrite 3/4 as an equivalent fraction with a denominator of ____
Aleks04 [339]

Answer:

denominator of 12 (first blank) making the numerator 9. equivalent fraction 9/12 (second blank)

Step-by-step explanation:

lowest common denominator is 12. make sure what you do to the denominator (4times3)= 12, you do to the numerator (3times3)=9

8 0
3 years ago
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