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katrin2010 [14]
3 years ago
5

Name all sets of numbers to which each real number belongs. 2/3

Mathematics
1 answer:
mel-nik [20]3 years ago
4 0
2/3 belongs to rational numbers.
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Show all work and provide necessary descriptions
masya89 [10]

Let

P=(P_x,P_y),\quad Q=(Q_x,Q_y)

If M is the midpoint, the x and y coordinates of M are the average of the x and y coordinates of P and Q:

M=\left(\dfrac{P_x+Q_x}{2},\ \dfrac{P_y+Q_y}{2}\right)

We can solve this expression for the coordinates of Q:

M_x = \dfrac{P_x+Q_x}{2} \implies Q_x = 2M_x-P_x

M_y = \dfrac{P_y+Q_y}{2} \implies Q_y = 2M_y-P_y

Plug in the values for the coordinates of M and P to get

Q_x = 2M_x-P_x = 2\cdot 5-11 = 10-11=-1

Q_y = 2M_y-P_y = 2\cdot (-2) - (-10) = -4+10=6

5 0
3 years ago
Explain how you got the answer(:
Natali [406]
Hey there :) I'm pretty sure that your answer is D) ∠S ≅ <span>∠Y because corresponding angles of similar triangles are congruent.

I think that it is the answer because if you shift your paper around, and look at the angles from different views, you can tell that angles S and Y are congruent, or the same, because of the way that both angles are at the end of the longer sides of both triangles.

So, your answer is D!

~Hope this helped!~</span>
8 0
3 years ago
Read 2 more answers
Need help with these two percentages...<br>1) Increase 480 by 1 % <br>2) Decrease 180 by 13 %
solniwko [45]
1. 484.8
2.156.6

hope this helped :)

6 0
3 years ago
The diameter of a circle is 36 yards. What is the circle's circumference?<br> Use 3.14 for .
Firlakuza [10]
Answer:
113.04

Explanation:
So, the formula is C=pi x d

Once you substitute in the number given the equation is now .. C= pi x 36

36 x 3.14=113.04

Therefore, the circles circumference is 113.04
6 0
3 years ago
Read 2 more answers
7x+6= 5(x+2)<br>help me​
Zigmanuir [339]

\huge \pink{solution}

Given :7x+6=5(x+2)

Now We will use the distributive property to multiply 5 by x+2.

→7x+6=5x+10

We will Subtract 5x from both sides.

→7x+6−5x=10

We will Combine 7x and −5x to get 2x.

→2x+6=10

We will Subtract 6 from both sides.

2x=10−6

We will Subtract 6 from 10 to get 4.

2x=4

We will Divide both sides by 2.

x= 4/2

At last,We Divide 4 by 2 to get 2.

x=2

7 0
3 years ago
Read 2 more answers
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