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Soloha48 [4]
2 years ago
14

A number z squared, decreased by 7

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
3 0

9514 1404 393

Answer:

  z² -7

Step-by-step explanation:

A square is indicated using an exponent of 2. "Decreased by 7" means 7 is subtracted.

  z squared, decreased by 7 is ...

  z² - 7

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12-22 plz help thanks
Kisachek [45]

12-22 = -10 because know I'm right and it says I have to put more words so just look at the first part

6 0
3 years ago
The students at a High School earned money for an international animal rescue foundation. 82 seniors earned an average $26.75 pe
Klio2033 [76]

Using the mean concept, the average collection for a student in this school was of $16.13.

<h3>What is the mean?</h3>

The mean of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.

The number of students is given as follows:

82 + 74 + 96 + 99 = 351.

The sum is:

82 x 26.75 + 74 x 12.25 + 96 x 15.50 + 99 x 10.85 = $5662.15

Hence the mean is:

M = $5662.15/351 = $16.13.

More can be learned about the mean of a data-set at brainly.com/question/24628525

#SPJ1

6 0
2 years ago
can you guys solve this please a movie theaters has 4 groups of seats the largest group of seats in the middle has 20 rows with
Hatshy [7]

Answer:

Step-by-step explanation:

I would start by visually thinking out this problem. Or if you have time sketch it out. And don't forget the popcorn :)

Then while doing this retry the problem

7 0
3 years ago
If triangle RST and triangle XYZ are similar, which of these equations must be true?
Delicious77 [7]

Answer: A

Step-by-step explanation:

If they are similar, that means the proportions for corresponding sides will be the same.

          I personally ignore the picture and use the labels of "triangle RST and triangle XYZ" that the problem gives <em>because</em> the XYZ picture is not lined up with the similarity it has with RST.

(A) says that side ST is corresponding with side YZ,

          [] Triangle R<u>ST</u> and triangle X<u>YZ</u>

          -> Correct

(A) also says that side RT is corresponding with size XZ,

          [] Triangle <u>R</u>S<u>T</u> and triangle <u>X</u>Y<u>Z</u>

          -> Correct

               This means that option A is the correct answer.

4 0
2 years ago
Which is closest to -1? -0.28, -4/5, -1/5, -0.82
faust18 [17]

Answer:

-1/5

Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
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