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Studentka2010 [4]
2 years ago
15

Can someone help me wit this? ASAP PLZ

Mathematics
1 answer:
gladu [14]2 years ago
4 0

Try this solution:

1) given (3;9) and (-8;1).

The midpoint: ([3-8]/2;[9+1]/2) = (-2.5;5).

2) given (9;9) and (2;1).

The midpoint: ([9+2]/2;[9+1]/2) = (5.5;5).

3) given (-9;9) and (-6;10).

The midpoint: ([-9-6]/2;[9+10]/2)= (-7.5;9.5).

4) given: (-9;-1) and (-4;-1).

The midpoint: ([-9-4]/2;[-1-1]/2)= (-6.5;-1).

5) given (-4;-5) and (5;-3).

The midpoint: ([-4+5]/2;[-5-3]/2) = (0.5;-4).

6) given (-3;5) and (4;5).

The midpoint: ([-3+4]/2;[5+5]/2)= (0.5;5).

7) given (-1;1) and (4;4).

The midpoint: ([-1+4]/2;[1+4]/2)= (1.5;2.5).

8) given (-4;-2) and (5;-3).

The midpoint ([-4+5]/2;[-2-3]/2)= (0.5;-2.5).

The formula of a midpoint:

(\frac{x_a+x_b}{2} ; \frac{y_a+y_b}{2} ).

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Pls help i need it.
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5 0
2 years ago
Solve by substitution. Show each step of your work.
zaharov [31]

5x + y = 15

y = -5x + 15

Substituting y= -5x+15 from first equation into second equation:

3x + 2y = 16

3x + 2·(-5x + 15) = 16

3x - 10x + 30 = 16

-7x + 30 = 16

7x = 30 - 16 = 14

x = 2

Substituting x=2 into the first equation:

5x + y = 15

5(2) + y = 15

10 + y = 15

y = 15 - 10

y = 5

So your final answers are x=2 and y=5.

3 0
2 years ago
Read 2 more answers
Given that BD is the median of AABC and that AABC is isosceles, congruence postulate SSS can be used to prove which of the follo
marusya05 [52]

Answer:

B.

Step-by-step explanation:

Because of isosceles triangle, AB = CB.

Because of the median, AD = CD.

Because of congruence of segments being reflexive, BD = BD.

By SSS, the triangles BAD and BCD are congruent.

Answer: B.

7 0
2 years ago
Which of the following is the fastest unit rate ( 1 mile = 1,760 yards = 5,280 feet)
4vir4ik [10]

Answer:

A. 30 miles per hour

Step-by-step explanation:

If you divide 5,280 feet by 1,760, you get a quotient of 3. Then you multiply 10 times 3 to get 30 miles.

4 0
2 years ago
Read 2 more answers
A baseball player throws a ball from second base to home plate. How far does the player throw the ball?
Fynjy0 [20]

Answer:

The player throws 127.3 ft from second base to home plate.

Step-by-step explanation:

Given:

Distance from home to first base = 90 ft

Distance from first base to second base = 90 ft

We need to find the distance from second base to home.

Solution:

Now we can assume the complete scenario to be formed as a right angled triangle with two sides given and to find the third side.

Now by using Pythagoras theorem which states that;

Square of the hypotenuse side is equal to sum of squares of other two sides.

framing in equation form we get;

distance from second base to home = \sqrt{90^2+90^2}= 127.27 \ ft

Rounding to nearest tent we get;

distance from second base to home = 127.3 ft

Hence The player throws 127.3 ft from second base to home plate.

6 0
3 years ago
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