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crimeas [40]
3 years ago
11

HELLPPPPP! PLEASEEEE

Mathematics
2 answers:
Sindrei [870]3 years ago
4 0
It is the second answer
Sholpan [36]3 years ago
4 0

they are paying a company to release a study that their product results in cleaner hair. The answer would be that this is a self-interest study.

hope i helped:)

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Identify the vertex of the quadratic function
Angelina_Jolie [31]

Answer:

(-2,-1)

Step-by-step explanation:

On the graph, the vertex is where the bottom of the U is. In general, it's always that same place on the U, but the U could be turned upside down or left or right. Looking at the bottom of the U, count on the x axis first (left 2, which is negative). That's your first number. Then count on the y axis (down 1, again, negative). That's your second number. Hope this helps!

5 0
2 years ago
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The Hu family goes out for lunch, and the price of the meal is $51. The sales tax on the meal is 6%, and the family also leaves
Leni [432]

Answer:

2

Step-by-step explanation:

6 0
3 years ago
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"if the standard deviation of a group of 20 scores is 15, what is the variance?"
DerKrebs [107]

We have been given that the standard deviation of a group of 20 scores is 15 and we are asked to find variance.

Since we know variance is square of standard deviation. In order to find out the variance of the given data we have to take the square of 15.

\text{ Variance}=\sigma^{2}\\
=15^{2}=225

Therefore, our variance is 225.


7 0
2 years ago
A teacher buys packs of notebooks to give to his students. The ratio of gold notebooks to red notebooks is represented in the ta
Naddika [18.5K]

Answer:

there would be 40 gold notebooks

Step-by-step explanation:

if the ratio is 5g to 3r i took the 24 red and divided it by 3 which gave me 8. I then multiplied 8 by 5 and got 40. so 40:24 is equal to 5:3

4 0
2 years ago
To all you misguided people out there:
Alla [95]

Answer:

See below.

Step-by-step explanation:

I think you're supposed to solve the problem explaining all steps, and then copy the answer to the top.

5 0
2 years ago
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