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Crank
2 years ago
8

How are the slopes when the lines are parallel in a square ?

Mathematics
1 answer:
Aleks [24]2 years ago
4 0

The slope of parallel lines is equal and the slope of perpendicular lines is a negative multiplicative inverse of each other.

<h3>What is the standard equation of a line?</h3>

The standard equation of a line is given by

y = mx+c

Here m is the slope and c is the y-intercept

The slope can be determined by

m = (y₂ -y₁)/(x₂ -x₁)

A square is a polygon with four sides, the opposite sides are parallel and all the sides are equal, all the angles have an equal measure of 90 degrees.

Two lines are parallel to each other when they are at a fixed distance always and never intersect with each other.

The slope of the lines parallel to each other is equal.

Two lines are said to be perpendicular when they intersect at 90 degrees.

The slope of two perpendicular lines has a product of -1.

To known more about the standard equation of a line

brainly.com/question/12452575

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A polling company is trying to estimate the percentage of adults that consider themselves happy. A confidence interval based on
Digiron [165]

Answer:

They should interview 1620 adults now.

Step-by-step explanation:

Margin of error of a confidence interval:

The margin of error of a confidence interval has the following format:

M = z\frac{\sigma}{\sqrt{n}}

In which z is related to the confidence level, \sigma is the standard deviation of the population and n is the size of the sample.

In this question:

z wont change, neither will \sigma

We want to increase n as such the margin of error is reduced to one third.

We have that the margin of error is inversely proportional to the square root of the size of the sample, which means that for the margin of error to be reduced to one third, the sample size has to be multiplied by 3^2 = 9. So

180*9 = 1620

They should interview 1620 adults now.

6 0
3 years ago
16. m + 5(m - 1) =<br> How do u solve this
Ber [7]
Answer: 6m -5

Distribute 5
m+ 5m-5
Simplify
6m -5
3 0
3 years ago
Which statement is true? A. In any right triangle, the sine of one acute angle is equal to the cosine of the other acute angle.
mr Goodwill [35]

That would be choice 2. One acute angle is the complement of the other

eg in a 90-60-30 triangle sine 30 = cos 60

8 0
3 years ago
Read 2 more answers
How many full 4 2/3 in. Sheets can be cut from 22 1/6 in. Stick
Stolb23 [73]

Answer:

4

Step-by-step explanation:

Because i divided 4 2/3 by 22 1/6 = 4.75 and for full sheets it would be 4

Hope This Helped

5 0
2 years ago
WHAT TERM SHOULD BE ADDED TO CREATE A PERFECT SQUARE TRINOMIAL?
boyakko [2]
Answer: We should add the constant 81 to the expression to have a perfect square trinomial.

The perfect square trinomial that would be formed would result from (x + 9)^2.

We can use foil to prove it.

(x + 9)(x + 9)
x^2 + 9x + 9x + 81
x^2 + 18x + 81

81 is the value that must go with 18x in the middle to form the perfect square trinomial.
8 0
4 years ago
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