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zlopas [31]
3 years ago
5

Given f (x) = -3x + 10 find f (9)

Mathematics
1 answer:
Ede4ka [16]3 years ago
4 0

Answer:

-17

Step-by-step explanation:

f(9) = (-3 × 9) + 10

= -27 + 10

= -17

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Can you plz help me I don’t understand at all
slamgirl [31]

David made 30 cups of tea per hour. David worked for D hours. In D hours, he made 30D cups of tea. Then he made an additional 10 cups of tea, so this week, he made 30D + 10 cups of tea.

Andrew made 35 cups of coffee per hour. Andrew worked for A hours. In A hours, he made 35A cups of tea.

The total cups of tea and coffee made this week is:

30D + 10 + 35A

8 0
3 years ago
3-for-1 split. After the split, the price of one share was $39.24. What was the pre-split price per share?
inysia [295]
<h3>Answer:   $117.72</h3>

======================================================

Explanation:

Let's say that the company is valued at $300 just as a simple example.

Also, let's say there are 100 shares each worth $3, so we have 100*3 = 300 as the total value of the company.

A 3-for-1 split means that for each share, it will get turned into 3 shares. So you turn in 1 share and in return you get 3 shares back. Or put another way, each share is ripped/cut into 3 equal pieces.

After doing this split, we would have 3*100 = 300 shares and each share would be now worth (1/3)*3 = 1 dollar. Note the new number of shares multiplied with the new value per share is still the same total valuation of $300. Doing a stock split, or a reverse stock split, will not change the value of the company. This is a good thing or else companies would simply do (reverse) splits all the time to increase their value however large they wanted without actually contributing anything to society.

------------------------

So quite simply, when we do a 3-for-1 split, we multiply the old price per share by 1/3 to get the new price per share.

Let

x = old price per share

y = new price per share

So x happens before the split and y is after the split.

For a 3-to-1 split, we can form this equation

y = (1/3)x

which solves to

x = 3y

when we multiply both sides by 3

We know that y = 39.24, which means,

x = 3y

x = 3*39.24

x = 117.72

The pre-split price per share was $117.72

------------------------

So in short, all we did was multiply the given number (39.24) by 3.

7 0
3 years ago
WHAT IS 5X SOMETHING THAT EQUALS 120 BESIDES 24 X 5? SOMEONE PLEASE
melisa1 [442]


There is no other answer. It is only 24

Hope it helps :)

7 0
4 years ago
74tens=how many hundreds
Arte-miy333 [17]

Answer:

740

Step-by-step explanation:

7 0
3 years ago
The answer choices below represent different hypothesis tests. Which of the choices are one-tailed tests? Select all correct ans
Lapatulllka [165]

Answer:

H0:p=0.46, Ha:p<0.46

H0:p=0.39, Ha:p<0.39

Step-by-step explanation:

A one tailed test occurs in such a way that the value/results gotten is one sided and can either be lesser or greater than the particular given value but cannot be both.

Thus, in this case a one sided test includes

H0:p=0.46, Ha:p<0.46

H0:p=0.39, Ha:p<0.39

7 0
3 years ago
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