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USPshnik [31]
3 years ago
8

MATH!!!!!!!! Help please

Mathematics
1 answer:
postnew [5]3 years ago
6 0

Answer:

9

Step-by-step explanation:

f(3) means what is the value of f(x) when x = 3

From the table

When x = 3 then f(x) = 9

Thus f(3) = 9

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Please help me out and show work
lina2011 [118]

Answer:

s(x)=\frac{0.2}{x+5}

Step-by-step explanation:

In 5 liters, there is 4% salt.

Lets find liters of salt.

First, converting 4% to decimal (dividing by 100):

4% = 4/100 = 0.04

0.04 * 5 = 0.2

So, there is 0.2 liters of salt.

Now, x liters of water is added to total, so total is now:

5 + x

The concentration of salt will be amount of salt divided by amount of salt water solution.

Amount of salt = 0.2 (as seen above)

Amount of new salt water solution = x + 5

So,

Concentration of salt in new solution is  \frac{0.2}{x+5}

2nd choice is right.

4 0
3 years ago
supoose the slope of a line is positive. describe what happen to the graph of the line as you move from left to right
Alex Ar [27]
The value of y decreases.
6 0
3 years ago
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The Federal Reserve has set a 10% reserve ratio on all deposits.
ella [17]

Answer: $ 81,000

Step-by-step explanation:

After ACC Spellman Company deposits its $ 100,000 into Itsa Bank, Itsa will have $ 90,000 as maximum allowable amount to loan to company B Bugle since it has to reserve 10% of the $ 100,000 or $ 10,000.

When That There Bank receives the $ 90,000, it can  loan out $ 81,000 as a maximum amount and reserve $ 9000 ( 10% of 90,000) .

5 0
3 years ago
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Can SOmeone please help me i need to get a good grade on this please!!!!!!
Rudik [331]

Answer:

20 Units

Step-by-step explanation:

Hight times length/by half is tribular prism Formula

3 0
2 years ago
What is the equation of the line that is parallel to the given line and passes through the point (-3, 2)?
zimovet [89]
The answer is D. 4x + 3y = -6
I first found the slope using the slope formula. Then I plugged in the values of the given coordinate and the slope I found into the point slope form equation, then I simplified. Then I manipulated the equation to get x and y on the right side, and the constant on the left side. Finally, I multiplied both sides by 3 to get rid of the fraction.

7 0
3 years ago
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