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3 years ago

15

Lily plays tennis, golf, ping pong, and volleyball. Do more or less than 2/4 of the sports lily plays use a net?

1 answer:

Tems11 [23]3 years ago

6 0

Answer:

Out of the 4 sports only golf does not use a net. Therefore 3/4 is the sports uses a net

The answer is more than 2/4 of the sports

Hope this helps!

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What price do farmers get for the peach crops? in the third week of June, a random sample of 40 farming regions gave a sample me

prohojiy [21]

Given:
Sample size, n = 40
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Population std. deviation, σ = $1.92 (known)
Confidence interval = 90%

Assume normal distribution for the population.
The confidence interval is
(xb + 1.645*(σ/√n), xb - 1.645*(σ/√n)
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= (7.38, 6.38)

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3 years ago

Which fraction represents the ratio 4:40 in simplest form

iris [78.8K]

$4:40=\frac{4\ units}{40\ units}=\frac{4:4}{40:4}=\frac{1}{10}=\boxed{1:10}$

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4 years ago

Andrea multiplied 6.75 x 10^6 and 0.2 x 10^6 and got 6.95 x 10^6. explain Andrea’s mistake and give the correct answer

Dvinal [7]

Answer:

Correct answer = $1.35\times10^{12}$

Step-by-step explanation:

Given:

Andrea multiplied 6.75 x 10^6 and 0.2 x 10^6 and got 6.95 x 10^6.

Question asked:

Explain Andrea’s mistake and give the correct answer.

Solution:

The above question is of <u>exponential question</u>:

Here Andrea simply <u>added </u>6.75 to 0.2 and got 6.95 and took 10^6 as common and written down wholly 6.95 x 10^6 which is incorrect.

Here we <u>multiply</u> 6.75 to 0.2 and get 1.35 and secondly to multiply 10^6 with 10^6 we have to understand the rule of exponents:-

<u>As we know:</u>

<u></u> $a^{m} \times a^{n} =a^{m+n}$

$Similarly,\ 10^{6} \times 10^{6}=10^{6+6}=10^{12}$

Hence when we multiplied 6.75 x 10^6 and 0.2 x 10^6 originally we got $1.35\times10^{12}$

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3 years ago

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