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lesya [120]
2 years ago
5

Name two points that are reflections of each other across the y-axis.

Mathematics
1 answer:
zheka24 [161]2 years ago
5 0

Answer:

(1,1), (-1,1)

Step-by-step explanation:

To reflect a point over the x-axis, simply make its x-value negative. So, we can take the sample point of (1,1), make its x-value negative, and get (-1,1).

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In a large marathon, runners start the race in stages. Leanna started in group E and ran at a rate of 4.8 miles per hour. During
grandymaker [24]

Answer: Leanna ran 39.96 miles before she was passed by Irina.

Step-by-step explanation:

When Irina would pass Leanna, they would have ran the same distance.

Let t represent the time that Leanna ran before she was passed by Irina.

Distance = speed × time

Leanna started in group E and ran at a rate of 4.8 miles per hour. The distance ran by Leanna before she was passed by Irina is

4.8 × t = 4.8t

During the race she was passed by Irina who ran at a rate of 5 miles per hour and started in group H, 20 minutes(20/60 = 0.333 hour) after Leanna started. The time spent by Irina in running this distance is

t - 0.333

Distance ran by Irina is

5(t - 0.333) = 5t - 1.665

Since they ran the same distance, then

4.8t = 5t - 1.665

5t - 4.8t = 1.665

0.2t = 1.665

t = 1.665/0.2 = 8.325 hours

Therefore, the distance that Leanna ran before she was passed by Irina is

4.8 × 8.325 = 39.96 miles

6 0
3 years ago
A company loses $5,400 as the result of a manufacturing defect. Each of the 8 owners have agreed to contribute an equal amount,
11Alexandr11 [23.1K]

Answer:

x=$5400:8

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7 0
2 years ago
What is 2,789 to the nearest ten
klemol [59]
Hey luv!
2,789 rounded to the nearest ten would be
2,789.0

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You just moved one decimal
6 0
3 years ago
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kompoz [17]

Answer: the answer is 2.9 US$

4 0
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Read 2 more answers
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Ahat [919]

Answer:

-8=2x-y get this into y=mx+b form to find the y-intercept

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y=2x+8

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0=2x+8

-8=2x

x=-4

the x-intercept is -4 so it passes through (-4,0)

the slope is 2 based on the slope-intercept form

7 0
3 years ago
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