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3 years ago

Please help me please

Mathematics

2 answers:

VARVARA [1.3K]3 years ago

4 0

Answer:

7/8

Step-by-step explanation:

subtract 8/8 - 1/8 = 7/8

bogdanovich [222]3 years ago

3 0

Answer:

$\frac{7}{8}$

Step-by-step explanation:

Count the number of $\frac{1}{8}$ before you get to point 8.

How many did you count?

You should've counted 7.

Now we can multiply.

$7*\frac{1}{8}=\frac{7}{8}$

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Divide 8 by 10, then multiply g by the result

algol13

Answer:

80 Ikaw na bahala kung lalagyan Mona ng g yan o hindi

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3 years ago

The Department of Transportation would like to test the hypothesis that the average age of cars on the road is less than 12 year

puteri [66]

Answer:

$z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29$

Step-by-step explanation:

information given

$\bar X=10.6$ represent the sample mean

$\sigma=4.1$ represent the population standard deviation

$n=45$ sample size

$\mu_o =12$ represent the value that we want to test

$\alpha=0.05$ represent the significance level for the hypothesis test.

z would represent the statistic

$p_v$ represent the p value for the test

Hypothesis to test

We want to test if the true mean is less than 12, the system of hypothesis would be:

Null hypothesis: $\mu \geq 10$

Alternative hypothesis: $\mu < 10$

The statistic is given by:

$z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}}$ (1)

Replacing the info given we got:

We can replace in formula (1) the info given like this:

$z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29$

8 0

3 years ago

What is the constant of proportionality in this graph?

lana [24]

Answer:

one half or 1/2

Step-by-step explanation:

do your rise over your run on the graph.

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3 years ago

What are all fractions equivalent to 0.7

timofeeve [1]

i got 15/20

7/10 as my answers

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3 years ago

What is 332,409 written in word form?

Diano4ka-milaya [45]

three hundred thirty-two thousand, four hundred nine.

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3 years ago

Read 2 more answers