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katen-ka-za [31]
3 years ago
5

How do I solve this problem(3x-4y)-(6x-28y)

Mathematics
2 answers:
Tema [17]3 years ago
5 0

Answer:

3x-4y-6x+28y

-3x-6x-4y+28y

-9x+24y

Step-by-step explanation:

aliya0001 [1]3 years ago
5 0

Answer:

Step-by-step explanation:

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The corresponding z score for speed of 62 mph, 47 mph, and 56 mph is 1.5, -2.25 and 0 respectively.

<h3>Z score</h3>

Z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

z=\frac{x-\mu}{\sigma }

Where x is raw score, μ is mean, σ is standard deviation

Given that:

σ = 4, μ = 56, hence

for x = 62:

z=\frac{62-56}{4 } =1.5

for x = 47:

z=\frac{47-56}{4 } =-2.25

for x = 56:

z=\frac{56-56}{4 } =0

The corresponding z score for speed of 62 mph, 47 mph, and 56 mph is 1.5, -2.25 and 0 respectively.

Find out more on Z score at: brainly.com/question/25638875

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2 years ago
students recorded the total number of pages and chapters in each of several books on the scatterplot. Based on the sbcatterplot,
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Answer:

7

Step-by-step explanation:

5 0
3 years ago
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Anthropologists can estimate the height of a woman by measuring the length of her radius bone (from the wrist to the elbow). The
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B = 0.26 h - 18.85,
where b is the length of the radius bone and h is the height.
To find the equation for height of a woman, you can solve the equation for h.
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Then you can plug in the length of the radius bone in this equation.
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3 years ago
2. In a relationship between variables, what is the variable called that changes in response to
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Answer:

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Step-by-step explanation:

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2 years ago
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