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2 years ago

Which equation represents the graph of the linear function?

Mathematics

1 answer:

dalvyx [7]2 years ago

3 0

I'm pretty sure they are all liner because none of them are to a power higher than 1

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I need a answer to equation -2x=8

valkas [14]

Answer:

x = -4

Step-by-step explanation:

Divide both sides by -2.

x= - 8/2

Simplify - 8/2 to -4.

4 0

2 years ago

PLZ PLZ HALP

Kipish [7]

A) 3.
B) 1.
C) 6.
D) 2.

8 0

3 years ago

What's the answer to number 16?

Svet_ta [14]

You will wait 210 days. Hope this helps!

4 0

3 years ago

Read 2 more answers

Which expression is equivalent to <br> 42−14

Mamont248 [21]

Answer:

4(x - 3)

Step-by-step explanation:

When you put brackets around a binomial (has 2 parts separated by a plus / - sign), you must take out a common factor from both terms separated by the + or - sign

A only has the 4 taken away from the x. The answer is not A

B has the 3 removed from the 12, not the x, so B is not the answer.

C that's the answer.

5 0

2 years ago

Of 1000 randomly selected cases of lung cancer, 823 resulted in death within 10 years.

Arada [10]

Answer:

a) $0.823 - 1.96\sqrt{\frac{0.823(1-0.823)}{1000}}=0.799$

$0.823 + 1.96\sqrt{\frac{0.823(1-0.823)}{1000}}=0.847$

The 95% confidence interval would be given by (0.799;0.847)

b) $n=\frac{0.823(1-0.823)}{(\frac{0.03}{1.96})^2}=621.79$

And rounded up we have that n=622

c) $n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11$

And rounded up we have that n=1068

Step-by-step explanation:

Part a

$\hat p=\frac{823}{1000}=0.823$

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 95% of confidence, our significance level would be given by $\alpha=1-0.95=0.05$ and $\alpha/2 =0.025$ . And the critical value would be given by: