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Vikki [24]
2 years ago
6

A random sample of 40 students from each grade level was surveyed regarding their preference for a class trip. If there are 220

Mathematics
1 answer:
NNADVOKAT [17]2 years ago
3 0

Answer:

66 students prefer the zoo

Step-by-step explanation:

I got it correct :)

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Does anybody know this? I don't get it.​
Tasya [4]

Answer:

scale factor = 1/2

Step-by-step explanation:

for AC: 4 + 4 = 8

8 is the AC of the red triangle

4 is the AC of the blue triangle

to get from 8 to 4, we divide by 2 or multiply by 1/2 (they mean the same thing)

10 is the CB of the red triangle

5 is the CB of the blue triangle

to get from 10 to 5, we divide by 2 or multiply by 1/2

6 0
3 years ago
Zac is 18 years old. The ratio of Zac's age to Ed's age is 2:1. Tim's age is 2/3 Zac's age. How old is Tim?
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6 0
3 years ago
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3,14 x (200 - 175)2 - 150 Round your answer off to the nearest whole .​
RideAnS [48]

Answer:

7

Step-by-step explanation:

I assume that 3,14 is 3.14

=3.14 x (200-175)2 - 150

=3.14 x (25)2 - 150

=3.14 x 50 - 150

=157-150

=7

7 0
2 years ago
You are building a frame for a window. The window will be installed in the opening shown in the diagram. Determine whether the o
Elis [28]

Answer:

The opening is a rectangle

AC = 18 in

BD = 18 in

Step-by-step explanation:

9+9 = 18

since the diagonals are equal, it is a rectangle.

6 0
3 years ago
Order the rational numbers from least to greatest. -3/4. -0.85. 0.55. 1/4. -0.9. -1/2​
trasher [3.6K]

Answer:

-0.9, -0.85, -3/4, -1/2, 1/4, 0.55

Step-by-step explanation:

8 0
3 years ago
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