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Alex787 [66]
3 years ago
13

Answer correctly for brainleist and 5 mark

Mathematics
1 answer:
notsponge [240]3 years ago
8 0

Answer:

It is the last answer.

Step-by-step explanation:

If you graph this, there will be no point more negative than (-4/3, -5).

This means the x and y values must be greater than or equal to these values, as the fourth answer will show.

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RoseWind [281]
The answer to the question

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3 years ago
Write the equation of a line that goes through the points (-7,10) and (1,4)
Bad White [126]
I’m pretty sure the answer is y=3/4x-13/4
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3 years ago
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A dog breeder would like to know how many Dalmatian puppies are typically born in a litter. He conducts some research and select
podryga [215]

Answer:

c. 6.2 ± 2.626(0.21)

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 101 - 1 = 100

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 100 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.99}{2} = 0.995. So we have T = 2.626

The confidence interval is:

\overline{x} \pm M

In which \overline{x} is the sample mean while M is the margin of error.

The distribution of the number of puppies born per litter was skewed left with a mean of 6.2 puppies born per litter.

This means that \overline{x} = 6.2

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.626\frac{2.1}{\sqrt{101}} = 2.626(0.21)

In which s is the standard deviation of the sample and n is the size of the sample.

Thus, the confidence interval is:

\overline{x} \pm M = 6.2 \pm 2.626(0.21)

And the correct answer is given by option c.

5 0
3 years ago
5x^{2}-44x+120=-30+11x i am confuseddddd
Luba_88 [7]

Answer: x=6  x=5

Step-by-step explanation:

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if the area of a triangular base prism is 11 cm² and the height of the prism is 12 cm, what is the volume of the prism?
Natasha2012 [34]

Answer:

132 cm²

Step-by-step explanation:

Your welcome

7 0
2 years ago
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