3 years ago

Quadrant 3

Mathematics

1 answer:

Scilla [17]3 years ago

4 0

Can you post a picture of the diagram to help you out

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9). Four friends earned $4.20 for washing a car. They decided to split the money equally. How much money did each friend get?

V125BC [204]

Answer:

1.05

Step-by-step explanation:

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3 years ago

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What is the simplify answer of 5/6+3/4+2/3 write as mixed number, if possible.

Yuki888 [10]

Answer:

Step-by-step explanation:

Fractions need a common denominator before being added together.

5/6 = 10/12

3/4 = 9/12

2/3 = 8/12

The sum is 27/12 = 2 3/12 = 2¼

3 0

3 years ago

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A study is conducted to test the hypothesis that people with glaucoma have higher than average blood pressure. The study include

natali 33 [55]

Answer: The confidence interval would be (120.6, 159.4).

Step-by-step explanation:

Since we have given that

n = 200

mean = $\bar{x}=140\ mm$

Standard deviation = $\sigma=25\ mm$

At 95% confidence interval, z = 1.96

So, 95% confidence interval would be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=140\pm 1.96\times \dfrac{140}{\sqrt{200}}\\\\=140\pm 19.40\\\\=(140-19.4,140+19.4)\\\\=(120.6,159.4)$

Hence, the confidence interval would be (120.6, 159.4).

4 0

4 years ago

In a lab experiment, 5300 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to do

alex41 [277]

Answer:

yooooo

Step-by-step explanation:

4 0

4 years ago

1. Find the geometric mean of 162 and 8.<br> 46

Alja [10]

Step-by-step explanation:

Geometric mean

$= \sqrt{162\times 8}\\=\sqrt{1296} \\=36$

3 0

4 years ago