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kap26 [50]
4 years ago
11

Someone please help me.

Mathematics
1 answer:
allochka39001 [22]4 years ago
5 0

If N is midpoint of QR, then you must use the formula of a midpoint:

M\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)

We have Q(0, 2b) and R(2c, 0). Substitute:

x=\dfrac{2c+0}{2}=\dfrac{2c}{2}=c\\\\y=\dfrac{2b+0}{2}=\dfrac{2b}{2}=b

<h3>Answer: (c, b)</h3>
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A puzzle is shown below. what is the area of the shaded portions of the puzzle?
kolezko [41]

Answer:

it's a parallelogram

Step-by-step explanation:

May ot helpful

5 0
3 years ago
On a piece of paper, use a protractor and a ruler to construct △ABC with AB=6 cm , m∠A=80° , and m∠B=50° .
Svetllana [295]
The correct answer for this question is this one:

<span>On a piece of paper, use a protractor and a ruler to construct △ABC with AB=6 cm , m∠A=80° , and m∠B=50° .

What is AC ?

3 cm
<u>6 cm</u>
9 cm
12 cm</span>

If you try to draw the triangle, it forms an isosceles triangle.
side AB has a length of 6cm. Side AB = Side AC. So the length of Side AC is also 6 cm.

Hope this helps answer your question and have a nice day ahead.
6 0
3 years ago
Read 2 more answers
Determine which postulate or theorem can be used to prove that lmn nol.
dolphi86 [110]
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SSS can be used because ln is congruent to ln by reflexive property.
8 0
3 years ago
If the base of a triangle is shortened by 60 percent, by what percent must the height be increased if the area is to remain the
Ahat [919]

Answer:

150%

Step-by-step explanation:

The area is half base times height.  We want the product to be the same, so if we scale one factor by f, we have to scale the other factor by 1/f to compensate.

Reducing by 60% is multiplication by f=1-60/100 = 0.4

So we have to multiply the height by 1/0.4=2.5 to compensate.

A factor of 2.5 is an increase of 150%

Check:

(1-60/100)(1+150/100) = 1, good

8 0
4 years ago
Which table shows a proportional relationship between x and y? x 2 3 5 6 y 3 4 7 9 x 4 6 8 10 y 6 8 10 12 x 1 5 8 10 y 15 75 120
AysviL [449]

Answer:

Only the 3rd table shows a proportional relation between x and y.

Step-by-step explanation:

The first table is  

x 2 3 5 6  

y 3 4 7 9

Here y is not increasing in uniform rate with x. So, the relation is not proportional.

The second table is  

x 4 6 8 10  

y 6 8 10 12

Here y is increasing in uniform rate with x, but at x = 0, y ≠ 0, Hence, the relationship is not proportional.

The third table is  

x 1 5 8 10  

y 15 75 120 150

Here, y is increasing in uniform rate with x, and  at x = 0, y = 0, Hence, the relationship is proportional.

The fourth table shows

x 3 9 10 15  

y 1 3 4 5

Here also y is not increasing in uniform rate with x. So, the relation is not proportional.

Therefore, only the 3rd table shows a proportional relation between x and y. (Answer)

5 0
3 years ago
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