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kolezko [41]
2 years ago
14

8TH GRADE MATH ¯\_(ツ)_/¯

Mathematics
1 answer:
Nonamiya [84]2 years ago
8 0

If <em>n</em> = 0.151515…, then 100<em>n</em> = 15.151515…

Then

100<em>n</em> - <em>n</em> = 15.151515… - 0.151515…

99<em>n</em> = 15

<em>n</em> = 15/99 = 5/33

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100 POINTS
Andru [333]

Answer:

(1, -7)

Step-by-step explanation:

P(3,4)

3 up ---> y = 4 + 3 = 7

2 left ----> x = 3 - 2 = 1

new point (1, 7)

after 180 rotation around origin

point is (-1, -7)

now reflection over y-axis

(1, -7)

6 0
2 years ago
Read 2 more answers
A sealed tank of water measures 10cm x 8 cm x 40cm. When it stands on one
Pavel [41]

Answer:

New height = 6

Step-by-step explanation:

The water is going to be the same volume no matter how the tank is orientated.

So you can do this 2 ways.

First way

Find the volume in the tank when the water goes up 24 cm on the height.

V = L*W*h

L = 8

W = 10

H = 24

V = 1920 cm^3

Now do it using the

L = 40

W = 8

h = ?

1920 = L * W * h

1920 = 40 * 8 * h

1920 = 320 * h

h * 320 = 1920

h = 1920/320

h = 6

Or you can do it without finding the 1920

L*W*h = L1 * w1 * h1

8*10*24 = 40 * 8 * h                                The 8's cancel

10*24 = 40*h                                           Divide both sides by 10

24 = 4h                                                    Divide by 4

h = 6

Same as you got before.

7 0
3 years ago
When adding two numbers, such as 123 and 423, care is taken to first line them up and then add like digits. How does expanding t
Ivanshal [37]
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4 0
3 years ago
6.5÷1345? please make the answer as short as posible.
solong [7]
6.5 ÷ 1345 = 0.0048 or 13/2690
4 0
3 years ago
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A scale model of a house is 1 ft long. The actual house is 50 ft long. In the model, the window is 1 1/5 inches tall. How many f
yKpoI14uk [10]
The model is 1:50 so take 11/5 and multiply it by 50 and you get 110, so the window is 110 inches long
6 0
3 years ago
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