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sergey [27]
4 years ago
9

Please help asap will give brainliest!!!

Mathematics
2 answers:
Helga [31]4 years ago
7 0
There is a 1/3 chance of the spinner hitting any letter then the next time it would be another 1/3 chance. You multiply these together and get 1/9 but this is not the answer because there is 1/9 of BOTH happening so you add 1/9 plus 1/9 and get 2/9. The answer is 2/9.
Alex777 [14]4 years ago
7 0
The answer should be B. 2/9

hope it helps
brainliest pls?????
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the length of a diagonal of a square field is 220 metres find the length of a side in metres and the area of the field in hectar
andre [41]

Answer:

Step-by-step explanation:

h^2=x^2+y^2, since this is a square x=y=s so

220^2=2s^2

2s^2=48400

s^2=24200

s=24200^(1/2)m (exact)

s=155.56m (rounded to nearest hundredth of a meter)

One hectare is equal to 10000m^2

A=24200m^2(h/10000m^2)

A=2.42 hectares

7 0
3 years ago
MATCHING: Compare the fractions from Column B to the given percent's in Column A. Match the fractions that are the closest value
emmasim [6.3K]

Answer: someone please help bc i have no idea

Step-by-step explanation: bad werewolf

7 0
3 years ago
Read 2 more answers
What is 40/6 in simplest form?
svetoff [14.1K]
Divide
 \\  \frac{40}{6}= \frac{20}{3}
5 0
3 years ago
Read 2 more answers
The following data show the average retirement ages for a random sample of workers in the United States and a random sample of w
SSSSS [86.1K]

Answer:

t \approx 2.639

Step-by-step explanation:

Given

\begin{array}{ccc}{} & {USA\ 1} & {Japan\ 2} & {\bar x} & {64.6} & {67.5} &{n} & {30} & {30} & {\sigma} & {4.0} & {4.5} \ \end{array}

See attachment for data

Required

Determine the test statistic

The test statistic is calculated using:

t = \frac{\bar x_1 - \bar x_2}{\sqrt{\frac{\sigma_1^2}{n_1} + \frac{\sigma_2^2}{n_2}}}

So, we have:

t = \frac{64.6 - 67.5}{\sqrt{\frac{4.0^2}{30} + \frac{4.5^2}{30}}}

t = \frac{64.6 - 67.5}{\sqrt{\frac{16.00}{30} + \frac{20.25}{30}}}

t = \frac{64.6 - 67.5}{\sqrt{\frac{16.00+20.25}{30}}}

t = \frac{64.6 - 67.5}{\sqrt{\frac{36.25}{30}}}

t = \frac{-2.9}{\sqrt{1.2083}}

t = \frac{-2.9}{1.099}

t \approx -2.639

The absolute value is:

t \approx 2.639

3 0
3 years ago
A construction worker covered a square floor using 172.3 ft^2 of flooring without any overlap. Which
Drupady [299]

Answer:

Step-by-step explanation:

aye I need the answer soomeine helo me out, add my insta;, hy.cxsar

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3 years ago
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