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DaniilM [7]
2 years ago
5

One line passes through points (9,3) and (-8, -4). Another line passes through the points (-1,8) and (13,-26).

Mathematics
1 answer:
Svetach [21]2 years ago
7 0
So a slope of a line can be perpendicular. So if the slope is a/b then the slope perpendicular to that is -b/a. PLEASE MARK AS BRAINLIEST!!

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Is -74.58 an integer
Shkiper50 [21]
Yes it is. goodluck!
7 0
2 years ago
How many triangles would be needed to cover 7/3 trapezoid 7/3 ×3=7 Am I right I think it 21 doe.
jarptica [38.1K]

Answer:

5 or 6 (or 2 or 7)

Step-by-step explanation:

Any quadrilateral can be covered by 2 triangles, so the integer number in 7/3 = 2 1/3 quadrilaerals will require 2×2 = 4 triangles.

The meaning of (1/3) trapezoid determines the number of additional triangles required. If 1/3 trapezoid is a triangle, only one is needed. If 1/3 trapezoid is a quadrilateral, then 2 triangles are needed.

_____

If the 7/3 trapezoids are butted against each other so they make a larger quadrilateral figure, then only 2 triangles are needed.

_____

If each trapezoid is constructed from 3 equilateral triangles, and you want to know the total number of those equilateral triangles in 7/3 such figures, it will be 3 × 7/3 = 7.

The answer depends on problem details not provided here.

7 0
3 years ago
one sixth of thirty six hundredths is less than two tenths less than four write as inequality if closed write true or false
Hatshy [7]
(1/6)(36/100)<4 - (2/10)
6/100 < 38/10
3/50 < 190/50
true
4 0
3 years ago
The length of time, y hours, it takes to put a jigsaw puzzle together is inversely proportional to the number of children, x, wo
andrew11 [14]

Answer:

<em>24 children</em>

Step-by-step explanation:

If the length of time, y hours, it takes to put a jigsaw puzzle together is inversely proportional to the number of children, x, this is represented as;

y  \alpha \frac{1}{x}\\y =\frac{k}{x}

k is the constant of proportionality

If it takes 16 children 6 hours to put the jigsaw puzzle together, this means at x = 16, y = 6

Substitute:

6 = k/16

k = 6*16

k = 96

W are to find number of children needed to put the same jigsaw puzzle together in 4 hours, this is done by substituting k = 96 and y = 4 into the expression y = k/x

y = 96/4

y = 24

<em>Hence it will take 24 children to put the same jigsaw puzzle together in 4 hours</em>

<em></em>

5 0
3 years ago
Find the circumference of the circle shown below if the diameter equals 20 inches. Use 3.14 for π.
Rasek [7]

Answer:

62.83

because you take 20, divide it by 2 to get the radius then you have the equation 2π(10)

3 0
3 years ago
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