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3 years ago

How to find the square root of a negative 100

1 answer:

3 0

The thing is, you can't find the square root of a negative number, no matter what. Here's why:

Finding the square root of a number is essentially just finding which number, when squared, ends up to the original number. If you square a negative number, you will get a positive number as the outcome.

But the square root of positive 100 is 10, if that helps you.

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When solving the system using the additional/elimination method, which variables will cancel?

iogann1982 [59]

Answer:

the x terms

Step-by-step explanation:

there is a +x and a -x.

x-x=0,

x will cancel out

6 0

2 years ago

In circle A as shown below, segment DC is tangent to circle A at D.

Likurg_2 [28]

Answer:

AB = 3

Step-by-step explanation:

AB = AD

AB² + 4² = (AB + 2)²

AB² + 16 = AB² + 4AB + 4

combine like terms:

4AB = 12

AB = 3

4 0

2 years ago

Read 2 more answers

Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much o

Art [367]

Answer:

The value will be used as the point estimate for the mean endowment of all private colleges in the United States is of 180.975 millions of dollars.

Step-by-step explanation:

When we have a sample, the mean of the sample is used as the point estimate for the mean of the entire population.

What value will be used as the point estimate for the mean endowment of all private colleges in the United States?

We have to find the mean of the 8 colleges. So

$M = \frac{60.2 + 47.0 + 235.1 + 490.0 + 122.6 + 177.5 + 95.4 + 220.0}{8} = 180.975$

The value will be used as the point estimate for the mean endowment of all private colleges in the United States is of 180.975 millions of dollars.

4 0

2 years ago

-4x - 5 > 19 algebra answer

kenny6666 [7]

Answer:

x < -6

Step-by-step explanation:

-4x - 5 > 19

+5 +5

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

-4x > 24

/-4 /-4

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

x < -6

6 0

2 years ago

Read 2 more answers

Write the following expression using an exponent:<br><br> 4⋅4⋅4

Neko [114]

Answer: 4^3

Step-by-step explanation: A number (4 in this case) is raised to the number of times it is multiplied by itself. 4 is multiplied by itself 3 times so 3 is the exponent.

5 0

2 years ago