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Mariana [72]
3 years ago
7

Explain why 90 is not a square number

Mathematics
1 answer:
anygoal [31]3 years ago
8 0

90 is not a square number because you cannot multiple two of the same number to get 90.

For example, 4 is a square number, because 2 x2 = 4

Likewise, 9 is a square number (3 x3), and 81 is a square number (9 x 9)

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Find the slope of the line passing through each of the following pairs of points: A(−7, a) and B(c, d)
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The formula of a slope:

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We have the points A(-7, a) and B(c, d).

Substitute:

m=\dfrac{d-a}{c-(-7)}=\dfrac{d-a}{c+7}

Exception: c ≠ -7.

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Three times the quantity of a number c increased by 7 is equal to the same number, c, decreased by 15
Yuliya22 [10]

After solving the given equation, we know that the value of c is -11.

<h3>What are equations?</h3>

An equation is a mathematical statement that contains the symbol "equal to" between two expressions with identical values.

As in 3x + 5 = 15, for example.

There are many different types of equations, including linear, quadratic, cubic, and others.

Let's learn more about math equations in this tutorial.

The three primary forms of linear equations are point-slope, standard, and slope-intercept.

Sc, we have the equation:

3c + 7 = c - 15

Now, calculate this equation for c as follows:

3c + 7 = c - 15

3c - c = -15 - 7

2c = -22

c = -22/2

c = -11


Therefore, after solving the given equation, we know that the value of c is -11.

Know more about equations here:

brainly.com/question/28937794

#SPJ1

Three times the quantity of a number c increased by 7 is equal to the same number, c, decreased by 15. What is c in this situation?

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1 year ago
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