2 years ago

If a and b are real numbers and if y = ax + b is a direct variation equation, what do you know about a and b?

1 answer:

8 0

y = ax + b
We observe that the given equation is the generic equation of a line.
Where,
a = represents the slope of the line. That is, the rate of change of the given function. (in this case it is constant).
b = is the cut point with the y axis.

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Write each number as a product using the GCF as a factor, and apply the Distributive Property.

Rasek [7]

The distributive property: a(b + c) = ab + ac.

Factors of 38: 1, 2, 19, 38

Factors of 57: 1, 3, 19, 57

GCF(38, 57) = 19

38 + 57 = 19 · 2 + 19 · 3 = 19(2 + 3)

6 0

2 years ago

Find the value of x. log x 8 = 0.5 A. 4 B. 16 C. 32 D. 64

Lisa [10]

The answer is D. 64. Have a nice day!

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2 years ago

Data on the blood cholesterol levels of 6 rats give mean = 85, s= 12. A 95% confidence interval for the mean blood cholesterol o

lana [24]

The correct answer is:

c)75.4 to 94.6

Explanation:

The formula for a confidence interval is:

$\mu \pm z*(\frac{\sigma}{\sqrt{n}})$ ,

where μ is the mean, z is the z-score associated with the level of confidence we want, σ is the standard deviation, and n is the sample size.

Our mean is 85, our standard deviation is 12, our sample size is 6, and since we want 95% confidence, our z-score is 1.96:

$85\pm 1.96(\frac{12}{\sqrt{6}})=85\pm 9.6=85-9.6, 85+9.6=75.4, 94.6$

4 0

2 years ago

Read 2 more answers

Help is very much appreciated.

Alecsey [184]

Answer:

5 + 5 =10

Step-by-step explanation:

it should have been 4 +6 = 10

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2 years ago

An archer has a mean distance of 1.6 inches and a MAD distance of 1.3 inches in the first round. In the second round, the archer

schepotkina [342]

I think it’s 1.5 cause it shows it

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2 years ago