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4 years ago

Line L1 has the equation 3x-30y=y Express the equation of L1 in the slope-intercept form

Mathematics

2 answers:

NARA [144]4 years ago

6 0

Answer:

$y=\frac{3}{31} x$

Step-by-step explanation:

Written in: y = mx + b

Nostrana [21]4 years ago

4 0

Answer:

y = 3/31x

Step-by-step explanation:

Step 1: Add 30y to both sides

3x - 30y + 30y = y + 30y

3x = 31y

Step 1: Divide both sides by 31

3x / 31 = 31y / 31

y = 3/31x

Answer: y = 3/31x

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g A random sample of 100 students was taken. Eighty-five of the student in the sample experienced anxiety during the exam. We ar

BaLLatris [955]

Answer:

The test statistic is $z = 1.25$

Step-by-step explanation:

We are interested in determining whether or not the proportion of the student who experience anxiety during the exam is significantly more than 80%.

At the null hypothesis, we test if the proportion is 80%, that is:

$H_0: p = 0.8$

At the alternate hypothesis, we test if the proportion is more than 80%, that is:

$H_a: p > 0.8$

The test statistic is:

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

80% is tested at the null hypothesis:

This means that $\mu = 0.8, \sigma = \sqrt{0.2*0.8} = 0.4$

A random sample of 100 students was taken. Eighty-five of the student in the sample experienced anxiety during the exam.

This means that $n = 100, X = \frac{85}{100} = 0.85$

The test statistic is

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{0.85 - 0.8}{\frac{0.4}{\sqrt{10}}}$

$z = 1.25$

The test statistic is $z = 1.25$

4 0

3 years ago

The ratio of pickles to onions on a burger was 2:4 for every blank pickles there are blank onions

kap26 [50]

Ever 2 pickles there’s 4 onions or simply it to 1pickle for every 2 onions

7 0

3 years ago

Which is the graph inequality x-2y_>-12

Zigmanuir [339]

Answer:

The graph for x-2y>=-12 needs to get y aloneso add 2y to both sides to getx >=-12 +2ythen add 12 to both sides of the in equalityx+12 >=2ynext divide each term by 2x/2 + 6 >= yy<= x/2 + 6so the graph connects (0,6) and (2,7) and shade below the solid line

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3 years ago

If f(×)-6×-4what is f(×)when ×-8. A 2,B 16,D 44,E 52

MakcuM [25]

The answer is D 44
Just have to plug in 8 to x and solve for f(x)

6 0

3 years ago

A unit of volume with dimensions 1 unit × 1 unit × 1 unit

Papessa [141]

V=Length*Height*Depth

Length=1 unit

Height=1 unit

Depth=1 unit

Therefore:

V= (1 unit)*(1 unit)*(1 unit)=1 unit³

5 0

3 years ago

Read 2 more answers