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docker41 [41]
3 years ago
12

which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel

to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.
Mathematics
2 answers:
CaHeK987 [17]3 years ago
4 0
1) True that line x = 0 is perpedicular to y = -3. Because x = 0 is parallel to the y-axis and y = -3 is parallel to the x-axis.

2) True that all the lines that are parallel to the y-axis are vertucal lines (the y-axis is vertical)

3) False that all lines perpendicular to the x-axis have a slope o 0. Their slope trends to infinity.

4) False that the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. The right equation is y = - 6

5) True thath the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1
Gekata [30.6K]3 years ago
4 0

The <em><u>correct answers</u></em> are:

The line x = 0 is perpendicular to the line y = –3; all lines that are parallel to the y-axis are vertical lines; the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Explanation:

The line x=0 is the x-axis. The line y=-3 is a vertical line. These two will be perpendicular by definition; x=0 has a slope of 0 while y=-3 has an undefined slope. Additionally, a horizontal line will always be perpendicular to a vertical line.

In order for a line to be parallel to the y-axis, it must have the same slope as the y-axis; this means it must be a vertical line.

In order for a line to be perpendicular to the y=axis, it must be a horizontal line. The line y=1 is a horizontal line that passes through 1 on the y-axis.

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1 hundeedth+3 tenths= ? hunderdth​
Andreas93 [3]

Answer:

0.31

Step-by-step explanation:

one hundredth is 0.01 and 3 tenths would be 0.3 so just add those two together :)

8 0
3 years ago
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Lou runs 4 miles each day for 5 days a week. If he does this for 7 weeks, how
Shkiper50 [21]

Answer:

140 miles

Step-by-step explanation:

4 per day for 5 days a week

= 4x5=20 miles a week

For 7 weeks= 20x7= 140 miles

4 0
2 years ago
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A car traveled 180 miles at a constant rate. Write an equation that would
Mnenie [13.5K]

Answer:

180/t = r

Step-by-step explanation:

In this question, we would have to write an equation that represents the scenario given.

We know that the car traveled 180 miles at a constant rate.

We would use the y = mx + b format for the equation, but replacing the variables with "r" and "t"

We know that 180 will be our y-variable, since that would be the base of the equation:

180 = ???

And to find how long/fast it will take the car, we would need to multiply the rate of speed "r" and time "t" in order to get our distance.

Plug it into the equation:

180 = rt

With this set up, you can find the rate of speed of the car when you know the time.

You would simply solve it as:

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7 0
3 years ago
PLEASE HELP!
Degger [83]

Answer:

Perimeter = 21.58 units

Step-by-step explanation:

Perimeter of a polygon = Sum of measures of all sides of the polygon

Perimeter of the quadrilateral LEAP = PL + AE + EL + LP

                                                            = 4.47 + 4.47 + 6.32 + 6.32

                                                            = 21.58 units

[If the distances between two point are not given, use the formula to calculate the distance between two points (x_1, y_1) and (x_2,y_2)

Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}]

7 0
3 years ago
Is 12/42=10/35 a true proportion
olya-2409 [2.1K]
Yes, they both are 2/7

Proof: Left-hand side

Simplify the following:
12/42

The gcd of 12 and 42 is 6, so 12/42 = (6×2)/(6×7) = 6/6×2/7 = 2/7:
Answer:  2/7
Right-hand side:

Simplify the following:
10/35
The gcd of 10 and 35 is 5, so 10/35 = (5×2)/(5×7) = 5/5×2/7 = 2/7:
Answer:  2/7
3 0
3 years ago
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