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lidiya [134]
3 years ago
10

Please I need help-

Mathematics
1 answer:
borishaifa [10]3 years ago
5 0

Answer: 80 inches

Step-by-step explanation: I think this is right

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PLS HELP I REALLY NEED HELP
lbvjy [14]

Answer:

  • a) AB = 10 units
  • b) Midpoint is (2, 6)

===================

<h3 /><h3>Given</h3>

  • Points A( - 1, 10) and B(5, 2)

<h3>To find</h3>

  • a) The length of AB
  • b) The midpoint of AB

<h3>Solution</h3>

a) Use the distance formula:

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

Substitute the coordinates and calculate:

d=\sqrt{(5-(-1))^2+(2-10)^2} =\sqrt{6^2+(-8)^2} =\sqrt{36+64} =\sqrt{100} =10

The distance is AB = 10 units

b) Use midpoint formula and find x and y- coordinates of this point:

x= \cfrac{x_1+x_2}{2}    and    y= \cfrac{y_1+y_2}{2}

Substitute coordinates and find the midpoint:

x= \cfrac{-1+5}{2} =2  and  y= \cfrac{10+2}{2}=6

The midpoint is (2, 6)

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2 years ago
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2(-4y) +7y =3
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Romashka [77]

Answer:

px^2= (3)4= 12^2= 144

Step-by-step explanation:

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if there are 26 students in each third grade class and 3 third grade classes in the school , how many students will attend an as
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Answer:

74 students would attend the assembly for third graders

Step-by-step explanation:

26 × 3 = 78

78 - 4 = 74

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