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2 years ago

Evaluate this expression.

Mathematics

1 answer:

vfiekz [6]2 years ago

8 0

Answer:

6.513

Step-by-step explanation:

1.7 + 0.8 + 4.013 = 6.513 (As there are double minus, so it will become a plus)

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(1.)Find the slope of the line that passes through the given pair of points. (If an answer is undefined, enter UNDEFINED.) (?a +

jekas [21]

Answer:

1. The slope of the line is $m=\frac{-2b+3}{2a}$ .

2. The value of a is 18.

Step-by-step explanation:

If a line passes through two points, then the slope of the line is

$m=\frac{y_2-y_1}{x_2-x_1}$

(1)

It is given that the line passes through the points (-a + 3, b - 3) and (a + 3, -b). So, the slope of the line is

$m=\frac{-b-(b-3)}{a+3-(-a+3)}$

$m=\frac{-b-b+3}{a+3+a-3)}$

$m=\frac{-2b+3}{2a}$

The slope of the line is $m=\frac{-2b+3}{2a}$ .

(2)

If the line passing through the points (a, 1) and (6, 5), then the slope of the line is

$m_1=\frac{5-1}{6-a}=\frac{4}{6-a}$

If the line passing through the points (2, 7) and (a + 2, 1), then the slope of the line is

$m_2=\frac{1-7}{a+2-2}=\frac{-6}{a}$

The slopes of two parallel lines are same.

$m_1=m_2$

$\frac{4}{6-a}=\frac{-6}{a}$

On cross multiplication we get

$4a=-6(6-a)$

$4a=-36+6a$

$4a-6a=-36$

$-2a=-36$

Divide both sides by -2.

$a=18$

Therefore the value of a is 18.

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3 years ago

Describe a real-world situation with no correlation

hram777 [196]

Answer:

pair of shows owned by individual this shows us the difference between the shows own.

Step-by-step explanation:

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3 years ago

Find the degree of the following polynomial and determine whether it is a monomial, trinomial, or none of these.

Alex777 [14]

None, it is a binomial because it has 2 terms. The degree is 1.

Hope this helps friend~ ^^

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2 years ago

The square root of 10 squared is 100<br> True or False <br> Explanation:

kompoz [17]

Answer: False

Step-by-step explanation:

The square root of 100 squared is 10 but the square root of 10 squared is 10

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3 years ago

11,17,18,19,23,21,14 what is the median

Tema [17]

The median is 18.
Hope this helped!

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3 years ago

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