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IrinaK [193]
2 years ago
11

Plz need help. I’m stuck on this one

Mathematics
1 answer:
Ghella [55]2 years ago
8 0

Answer:

The product of 3\sqrt{8} (4 \sqrt{3}) is 24\sqrt{6}

The answer is A.

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2. Calculate the area of the rectangle below.<br>4 cm<br>IN<br>10 cm<br>Answer​
kozerog [31]

Answer:

40 cm squared

Step-by-step explanation:

Area = length * width

10*4cm = 40 cm squared

4 0
3 years ago
What was the answer to the example: (9/2 converted to a mixed number is:)
miskamm [114]

Answer:

9/2

2+2+2+2=8

9-8=1

2 can go into 9 four whole times

4 1/2

Step-by-step explanation:

4 0
3 years ago
How do I simplify and solve for x for 3x-7=2
saul85 [17]
3x-7=2\ \ \ \ \ \ \ \ |add\ 7\\\\3x=2+7\\\\3x=9\ \ \ \ \ \ \ |:3\\\\x=3\\
8 0
3 years ago
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Researchers are studying the distribution of subscribers to a certain streaming service in different populations. From a random
Katen [24]

Answer:

CI = (0.17 - 0.27)\± 1.65\sqrt{\frac{(0.17)*(0.83) + (0.27)*(0.73)}{200}}

Step-by-step explanation:

Given

n = 200

x_1 = 34 -- City C

x_2 = 54 --- City K

Required

Determine the 90% confidence interval

This is calculated using:

CI = \bar x \± z\frac{\sigma}{\sqrt n}

Calculating \bar x

\bar x = \bar x_1 - \bar x_2

\bar x = \frac{x_1}{n} - \frac{x_2}{n}

\bar x = \frac{34}{200} - \frac{54}{200}

\bar x = 0.17 - 0.27

For a 90% confidence level, the ​z-score is 1.65.  So:

z = 1.65

Calculating the standard deviation \sigma

\sigma = \sqrt{(\bar x_1)*(1 - \bar x_1) + (\bar x_2)*(1 - \bar x_2) }

So:

\sigma = \sqrt{(0.17)*(1 - 0.17) + (0.27)*(1 - 0.27) }

\sigma = \sqrt{(0.17)*(0.83) + (0.27)*(0.73)}

So:

CI = (0.17 - 0.27)\± 1.65\frac{\sqrt{(0.17)*(0.83) + (0.27)*(0.73)}}{\sqrt {200}}

CI = (0.17 - 0.27)\± 1.65\sqrt{\frac{(0.17)*(0.83) + (0.27)*(0.73)}{200}}

7 0
2 years ago
Jerome has a job that requires a clean shirt every day. It cost $1.25 to have a shirt washed and ironed. What is the cost for cl
Naily [24]

Answer:

$6.25

Step-by-step explanation:

1.25 x 5 = 6.25

it´s the cost times how ever many days

3 0
3 years ago
Read 2 more answers
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