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3 years ago

Find an equation for the line below.

Mathematics

2 answers:

vodka [1.7K]3 years ago

7 0

Answer:

A(-6,-5) B(4,1)

Step-by-step explanation:

am not that sure

Ket [755]3 years ago

4 0

Answer:

y = 0.6x - 1.4 or y = 3/5 x - 1 2/5

Step-by-step explanation:

line pass (4 , 1) and (-6 , -5)

slope (m) = (-5 - 1) / (-6 - 4) = -6 / -10 = 0.6

y = mx + b

y intercept (b) = y - mx = 1 - 0.6 * 4 = - 1.4

equation: y = 0.6x - 1.4

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You drive 1244.5 miles and use 47.5 gallons of gasoline. What is your car’s gas

dalvyx [7]

Answer:

$\large \boxed{\text{26.2 mi/gal}}$

Step-by-step explanation:

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3 years ago

What is 0.57 to the nearest tenth

lilavasa [31]

0.57 to the nearest tenth is .6

8 0

3 years ago

Read 2 more answers

You need to compute the a 90% confidence interval for the population mean. How large a sample should you draw to ensure that the

RSB [31]

Answer:

The sample size required is 102.

Step-by-step explanation:

The (1 - α)% confidence interval for population mean μ is:

$CI=\bar x\pm z_{\alpha/2}\times\frac{\sigma}{\sqrt{n}}$

The margin of error for this interval is:

$MOE= z_{\alpha/2}\times\frac{\sigma}{\sqrt{n}}$

Given:

σ = 9.2

(1 - α)% = 90%

MOE = 1.5

The critical value of z for 90% confidence level is:

$z_{0.10/2}=1.645$

*Use a z-table.

Compute the value of n as follows:

$MOE= z_{\alpha/2}\times\frac{\sigma}{\sqrt{n}}$

$n=[\frac{z_{\alpha/2}\times \sigma}{MOE}]^{2}$

$=[\frac{1.645\times 9.2}{1.5}]^{2}\\=101.795\\\approx102$

Thus, the sample size required is 102.

5 0

3 years ago

Doug has Ran 2 miles on his own and he expects to run 1 mile during each track practice how many miles would Doug have to run 34

Minchanka [31]

Answer:

Step-by-step explanation:

I assume this is what you want to find: 34=1x+2

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So basically if you do that problem out, you can find it and check your work.

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32 miles to get to 34 because after the first 2 it is a continuous 1 mile every track practice until he gets to 34 miles, so 34-2= the 32 miles he must run.

7 0

3 years ago

Which of the following statements explains why 0.8 is or is not a rational number?

noname [10]

Answer:

Step-by-step explanation:

its 8 bc when u put it under 9 it repeats

7 0

3 years ago