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jenyasd209 [6]
2 years ago
14

Which number is a rational number?

Mathematics
1 answer:
Nikitich [7]2 years ago
6 0

Answer:sq rt of 49

Step-by-step explanation:

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How do you do this math 18-0.4<br> in long subtraction
Gwar [14]
 18.0                  1
-  0.4             17.0
_____           - 0.4
------->           ____
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3 years ago
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marysya [2.9K]
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A 2X2 square is centered at the origin. It is dilated by a factor of 3. What are coordinates of the vertices of the square?
Vesna [10]

Answer:

The vertices are:

A' = (-3, -3)

B' = (3, -3)

C' = (3, 3)

D' = (-3, 3)

Step-by-step explanation:

Given:

A 2 x 2 square is centered at the origin.

So, the center of the square is (0, 0)

Since it is 2 x 2 square, the side of the square is 2 units.

So, the vertices of the 2 x 2 square are A (-1, -1),  B(1, -1), C(1. 1), D(-1, 1)

The above square is dilated by a factor of 3.

Let's name the dilated square A'B'C'D'

To find the coordinates of the vertices of dilated square, we need to multiply each vertices of ABCD by 3.

A(-1, -1) = 3(-1, -1) = A'(-3, -3)

B(1, -1) = 3(1, -1) = B'(3, -3)

C(1, 1) = 3(1, 1) = C'(3, 3)

D(-1, 1) = 3(-1, 1) = D'(-3, 3)

7 0
3 years ago
Divide: 4/15÷8/25. What is the answer?
dybincka [34]
4/15 = 0.267
8/25 = 0.32
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3 0
3 years ago
NEED HELP! Thanks!
sladkih [1.3K]
I think the answer would be 7.5 hours or 4 hours,not so sure which one exactly

6 0
3 years ago
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