3 years ago

Which statement is true about the coordinates of points A and B?

Mathematics

1 answer:

mestny [16]3 years ago

7 0

The last one should be right :)

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The perimeter of this rectangle is 156 cm.

erastova [34]

Answer:

x = 15

Therefore, the length and width are 31 and 47.

Step-by-step explanation:

Perimeter = (2x + 1) + (2x + 1) + (3x + 2) + (3x + 2) = 156

Simplified,

10x + 6 = 156

Subtract 6 from both sides, then divide by 10.

10x = 150

x = 15

To find the length and width, substitute 15 (the value of x) into the individual equations.

2(15) + 1 = 31

3(15) + 2 = 47

5 0

3 years ago

Segment CD has point E located on it such that CE:ED = 3:5. If the endpoints are located at C(5, -6) and D(11,18) then what are

wlad13 [49]

Answer:

E(29/4,3)

Step-by-step explanation:

Given that,

Segment CD has point E located on it such that CE:ED = 3:5

The coordinates of C and D are (5, -6) and (11,18) respectively.

We need to find the coordinates of E. Let the coordinates are (x,y). Using section formula to find it as follows :

$(x,y)=(\dfrac{m_1x_2+m_2x_1}{m_1+m_2},\dfrac{m_1y_2+m_2y_1}{m_1+m_2})\\\\(x,y)=(\dfrac{3(11)+5(5)}{3+5},\dfrac{3(18)+5(-6)}{3+5})\\\\=\dfrac{29}{4},3$

So, the coordinates of E are (29/4,3).

4 0

3 years ago

For the remaining three problems, write always, sometimes, or never. If it is always true, give the property or two examples. If

Oduvanchick [21]

$x+x=2x\\
2x=2x$

Always true.

5 0

4 years ago

Help please!!!!!!!!!!!!!!?!?

Ahat [919]

0.25 = 1/4, 0.8 : 4 = 0.2

4 0

4 years ago

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What is the equation of this graphed line

Bas_tet [7]

Answer:

y= -1x+7

Step-by-step explanation:

I believe this is the correct answer. The graph starts at 7 which is the y-intercept. And starts declining my -1

8 0

3 years ago

Read 2 more answers