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ki77a [65]
3 years ago
5

Identify the imaginary part of this complex number: (1)/(2)+(-7)/(2)i

Mathematics
1 answer:
pantera1 [17]3 years ago
8 0

Answer:

-7/2i

Step-by-step explanation:

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Can somebody help me please
Korolek [52]

Answer:

65

Step-by-step explanation:

3 0
3 years ago
In an area of the Midwest, records were kept on the relationship between the rainfall (in inches) and the yield of wheat (bushel
Liula [17]

Answer:

Option A is correct.

y = 35.4 bushels per acre when rainfall = 7.1 inches

Step-by-step explanation:

An image of the steps to obtain the equation that relates x to y is attached to this answer.

n = number of variables = 9

μₓ = mean of variable x (rainfall in inches)

μᵧ = mean of variable y (yield in bushels per acre)

σₓ = standard deviation of variable x (rainfall in inches)

σᵧ = standard deviation of variable y (yield in bushels per acre)

y = 4.379x + 4.268

when x = 7.1

y = 4.379(7.1) + 4.268 = 35.3589 = 35.4 bushels per acre.

7 0
3 years ago
The following chart shows the number of concert tickets sold and the profit earned. What is the slope of the line through these
Black_prince [1.1K]

Answer:

C.) 4

Step-by-step explanation:

y2 - y1/x2 - x1

m = 160 - 80/60 - 40

m = 80/20

m = 8/2

m = 4/1

m = 4

8 0
3 years ago
What is the interquartile range of this data?
jok3333 [9.3K]
Hello!

To find the interquartile range you subtract the lower quartile by the higher quartile

33 - 25 = 8

The answer is C)8

Hope this helps!
6 0
3 years ago
Which is not another way to express the ratio 60 to 25
ale4655 [162]

Answer:

60/25

Step-by-step explanation:

The other way to express the ratio is to express it in the form of division

Hence

60:25=60/25

8 0
3 years ago
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