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lesya692 [45]
3 years ago
6

WILL GIVE BRAINLIEST LOOK AT PHOTOS FOR QUESTION

Mathematics
1 answer:
fredd [130]3 years ago
4 0

Answer:

7.60

0.76

0.2

0.2

hjlai

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A scale of 1 cm to 8 km is used for a map.
-Dominant- [34]

Answer:

40 km^2

16 cm^2

Step-by-step explanation:

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

the scale drawing is usually reduced at a constant dimension

scale of the drawing = original dimensions / dimensions of the scale drawing

Actual area = scale factor x scaled area

8 x 5 = 40 km^2

Scaled area on the map = 128.8 = 16 cm^2

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3 years ago
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2 years ago
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3 years ago
An ecological group suspects tuna are consuming dangerous levels of copper in a region of the world. Dangerous levels of copper
Mademuasel [1]

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Step-by-step explanation:

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So the 98% CI for mean is

4.77 ± t{1-0.02 /2,20} x 1.16/sqrt(21) = (4.13, 5.41)}

We are sure with 98% confidence the true copper level (in parts per million) lies in the interval (4.13, 5.41)

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Write a negative or a positive integer to describe the following situation:
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positive 350m because it's above sea level.

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