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kompoz [17]
3 years ago
12

Need a lil help please

Mathematics
1 answer:
Georgia [21]3 years ago
3 0

Answer:

  • B(2, 4)

Step-by-step explanation:

<u>Given points:</u>

  • A(-1, -9) and M(0.5, -2.5)

Let the coordinates of B are (x, y)

<u>Use midpoint formula to determine the point B:</u>

  • 0.5 = (- 1 + x)/2 ⇒ 1 = -1 + x ⇒ x = 1 + 1 = 2
  • -2.5 = (-9 + y)/2 ⇒ -5 = -9 + y ⇒ y = -5 + 9 = 4

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Answer:

B. M-prime (4,-3)

Step-by-step explanation:

When rotated clockwise, point (h,k) is changed to point (k,-h).

5 0
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Write the solution to the inequality in set - builder notation:<br> 5r + 8 &lt; 63
Leni [432]
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Determine which of the ordered pairs are a part of the solution set of y + 3 &lt; 2x (0, –4)
lorasvet [3.4K]

Answer:

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Step-by-step explanation:

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wlad13 [49]

Answer:

Sarah bought 7 coach tickets and 4 first class tickets.

Step-by-step explanation:

From the information provided, you can write the following equations:

x+y=11 (1)

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x is the number of coach tickets

y is the number of first class tickets

In order to find the value of x and y, first you have to solve for x in (1):

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Now, you have to replace (3) in (2) and solve for y:

240(11-y)+1100y=6080

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Maksim231197 [3]

Answer:

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