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Novay_Z [31]
3 years ago
11

What are the two square roots of 400

Mathematics
1 answer:
Elden [556K]3 years ago
6 0
The two square roots are 20 and -20
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Alexandra [31]
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7 0
3 years ago
27% of the students in a school are in grade 6. This is 540 students. How many students are in the school?
Anettt [7]

There are a total of 2,000 students in the school.

1.) There are 540 students in the 6th grade. 540 is only 27% of students compared to the total. To find the total students in the whole school, we divide 540 by 27%.

2.) We first change 27% into a decimal by moving the point two times to the left. (Rule to change the percent into a decimal)

27% = .27

3.) Before we divide, we remove the decimal by moving the decimal two times to the right and so do we to 540.

.27 = 27

540. = 54000.

4.) Now we have 54000 divided by 27 which give us the answer of 2,000.

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6 0
4 years ago
OK so I have two questions to answer. So the first picture is question five in the second picture is question six.
Vesnalui [34]

Answer:

The slope is 2.25

The y-intercept is 3

Step-by-step explanation:

Assuming from the cut off picture, that we need to find the slope of ...

y=2.25x +3

y=mx+b form makes it easy to identify the slope and the y-intercept.

m is the slope and b is the y-intercept. Anything number that is in place of m, is the slope; and any nother in place of b is the y-intercept.

In that case, 2.25 is the slope and 3 is the y-intercept

3 0
3 years ago
Please help me!!!!!! <br><br>What is the measure of angle Z?<br><br>​
rodikova [14]

Answer:

z = 56 degrees

Step-by-step explanation:

y = 124 because y is adjacent to 124 degrees

y + z = 180

180 - 124 = 56

7 0
3 years ago
What is the length of a rectangle that has a width of 2.5 centimeters and an area of 20.5 square centimeters?
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Do 20.5 divided by 2.5 which equals
8.2
7 0
4 years ago
Read 2 more answers
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