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elena-14-01-66 [18.8K]
3 years ago
12

Kelly has a bag containing white and yellow marbles

Mathematics
2 answers:
stiv31 [10]3 years ago
5 0

Answer:

cool

Step-by-step explanation:

i dont know what the question is

natka813 [3]3 years ago
4 0

... and then?

You didn't eve give a question

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Is quadrilateral jklm the result of a dilation of quadrilateral abcd by a scale factor of 2? why or why not?
4vir4ik [10]

No. Because sides JM and KL have different slopes from sides AD and BC .

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

For AD:

We have the points A(2, -2) and D(1, -4). Substitute:

m=\dfrac{-4-(-2)}{1-2}=\dfrac{-2}{-1}=2

For JM:

We have the points J(4, -4) and M(2, -9). Substitute:

m=\dfrac{-9-(-4)}{2-4}=\dfrac{-5}{-2}=2.5

2\neq2.5

----------------------------------------

Another argument.

No. Because the MJ is not twice as long as AD.

The formula of the length of a segment:

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

The length of AD:

|AD|=\sqrt{(1-2)^2+(-4-(-2))^2}=\sqrt{(-1)^2+(-2)^2}=\sqrt{1+4}=\sqrt5

The length of MJ:

|MJ|=\sqrt{(2-4)^2+(-9-(-4))^2}=\sqrt{(-2)^2+(-5)^2}=\sqrt{4+25}=\sqrt{29}

\sqrt{29}\neq2\sqrt5

4 0
4 years ago
55-8= 67+8= 99-4= 456-78=<br> plz help me I need this done in one hour
bixtya [17]
1. 47
2. 75
3.95
4.378

Hopefully I helped
7 0
3 years ago
Read 2 more answers
There are 45 new houses being built in a neighborhood. Last month, 2/3 of them were sold. This month 2/5, of the remaining house
solmaris [256]

Answer: 9 houses

Step-by-step explanation:

Step 1:

Since 2/3 of the houses were sold last month, 1/3 of them were left.

45 * 1/3 = 15 houses left last month

Step 2:

Since 2/5 of the remaining houses were sold this month, 3/5 of them were left

15 * 3/5 = 9 houses left to be sold

there's your answer hope this helps :)

5 0
2 years ago
The center of the basketball court has a diameter of 12 feet. What is the area of the circle
jekas [21]

Answer:36π squared feet

Step-by-step explanation:

Diameter=12

Radius=diameter/2

Radius=12/2

Radius=6 feet

Area of circle=π x Radius x Radius

Area of circle=π x 6 x 6

Area of circle=36π

5 0
3 years ago
..................................
Leya [2.2K]

Answer:

bro I can't read that can I tell me what it says?

7 0
3 years ago
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