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Mashutka [201]
3 years ago
6

30 points Please help will mark brainliest.

Mathematics
1 answer:
Solnce55 [7]3 years ago
5 0

Answer:

Step-by-step explanation:

To draw a perpendicular to line L we will use the following steps.

1). We will use the compass first. We will put the compass at the point P and draw an arc which will intersect the line L at two distinct points.

2). Now we will again draw two arcs by taking same measurement in compass

so that these arcs intersect each other.

3). Now we will joint the point of intersection formed by the arcs to the point P with the help of ruler.

In this way we get the line perpendicular to line L.

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Which relation does not represent a function? A) a vertical line B) y = 5 9 x - 3 C) a horizontal line D) {(1, 7), (3,7), (5, 7)
Alisiya [41]

Answer:

A) a vertical line does not represent a function.

Step-by-step explanation:

For a relation to be a function for each value of x there must be only one value of y. In other words a function is one in which each value in the domain set corresponds to only one value in the range set.

Let us check for this condition in the give choices:

A) a vertical line

A vertical line is given as x=a which meas it is parallel to y-axis and has infinite number of y values for a single x value.

So, its Not a function

B) y=\frac{5}{9}x-3

For the given equation, on plugging in some x value will give a single y value.

So, its a Function

C) a horizontal line

A horizontal line is given as y=a which meas it is parallel to x-axis and has infinite number of x values giving a single y value.

So, its a Function

D) {(1, 7), (3,7), (5, 7), (7,7)}

For the given set for different x valuesthere is only one y value.

So, its a Function

4 0
3 years ago
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Find the measure of the exterior angle 1. with one angle is 50 degrees and 28 degrees​
OLga [1]

Answer:

D. 78°

Step-by-step explanation:

50°+28°= 78°

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Which best describes the triangle or triangles, if any, that can be formed with sides
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Find f(g(x)) simplify completely f(x)= x^2+5x+2 g(x)=3x
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Answer:

<u>f(g(x)) = 9x² + 15x + 2</u>

Step-by-step explanation:

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<u>Solving f(g(x))</u>

  • f(g(x))
  • f(3x)
  • f(3x) = (3x)² + 5(3x) + 2
  • f(3x) = 9x² + 15x + 2
  • <u>f(g(x)) = 9x² + 15x + 2</u>
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Answer:

-70

Step-by-step explanation:

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