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JulijaS [17]
2 years ago
12

A 1 3 -2 -1 0 B -1 The midpoint of AB = ([?], [ ])

Mathematics
1 answer:
guajiro [1.7K]2 years ago
7 0

Answer: The midpoint is (1,0)

Step-by-step explanation:

Point B  has the coordinates (-1,-1) and point A has the coordinates (3,1). To find the midpoint point,find the mean average of  the x and y coordinates.

x coordinates.  \frac{-1+3}{2} =  \frac{2}{2} = 1  

y coordinates .   \frac{-1+1}{2} = \frac{0}{2} = 0  

Midpoint: (1,0)

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A 10-ft vertical post casts a 14-inch shadow at the same time a nearby cell phone tower cast a 119-ft shadow. How tall is the ce
Yakvenalex [24]

Answer:

The cellphone towers height is 1020 ft.

Step-by-step explanation:

This question is solved using proportions, by a rule of three.

A 10-ft post casts a 14-inch shadow.

Each feet has 12 inches, which means that a post with 10 feet will cast a 14/12 = 1.167 ft shadow. How tall is the cell-phone tower with a 119-feet shadow?

10 feet post - 1.167 ft shadow

x feet tower - 119 feet shadow

Applying cross multiplication:

1.167x = 10*119

x = \frac{1190}{1.167}

x = 1020

The cellphone towers height is 1020 ft.

8 0
3 years ago
A surfboard is originally priced at $155. The online retailer gives a discount and the surfboard is now priced at $93. Enter the
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93 is 60 percent from the original price.
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3 years ago
Factor the following polynomial completely. x²n - y²n
Alekssandra [29.7K]

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(n)*(x+y)(x-y)

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
M is the midpoint of segment GR. G has coordinates (11,-5) and M is (4,-4) Find the coordinates of R
7nadin3 [17]

Answer:

  • (3, -3)

Step-by-step explanation:

<u>Given:</u>

  • G = (11,-5)
  • M = (4,-4)
  • R = ?

<u>Solution</u>

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<u>As per midpoint formula;</u>

  • 4 = (11 + x)/2  ⇒ x + 11 = 8 ⇒ x = 3
  • -4 = (-5 + y)/2 ⇒ y - 5 = -8 ⇒ y = -3
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3 years ago
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The angle that is supplementary to <COB is one that is next to it (in some relation)
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Hope this will help 
5 0
3 years ago
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