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Lemur [1.5K]
3 years ago
10

Mr blue has to catch 20 fish for the tournament, he has already caught 6 fish. There are 2 hours left in the tournament. How man

y fish must he catch to win the tournament.
Let_____Represent____________

equation:
Mathematics
1 answer:
Inessa [10]3 years ago
5 0

Answer:

he has to catch 14 more

Step-by-step explanation:

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Mary wants to join a gym.
Leya [2.2K]

Answer:

It would take five months for the total cost of the gyms to be equal.

Step-by-step explanation:

5 0
2 years ago
The estimate of the population proportion should be within plus or minus 0.02, with a 90% level of confidence. The best estimate
Rudiy27

Answer:

The sample size required is 910.

Step-by-step explanation:

The confidence interval for population proportion is:

CI=\hat p\pm z_{ \alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }

The margin of error is:

MOE=z_{ \alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }

Given:

\hat p = 0.16\\MOE= 0.02\\Confidence\ level =0.90

The critical value of <em>z</em> for 90% confidence level is:

z_{\alpha /2}=z_{0.10/2}=z_{0.05}=1.645 *Use a standard normal table.

Compute the sample size required as follows:

MOE=z_{ \alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }\\0.02=1.645\times \sqrt{\frac{0.16(1-0.16)}{n} }\\n=\frac{(1.645)^{2}\times 0.16\times (1-0.16)}{(0.02)^{2}} \\=909.2244\\\approx910

Thus, the sample size required is 910.

5 0
3 years ago
A cyclist rides his bike at a speed of 21miles per hour. What is this speed in miles per minute? How many miles will the cyclist
AveGali [126]

Answer:

.35 miles per minute

3.5 miles in 10 minutes

Step-by-step explanation:

21 ÷ 60= .35

.35 × 10 = 3.5

7 0
3 years ago
My name is kannmani! anyone can introduce themselves by commenting or answering!
adell [148]

Answer:

Hi my name is Misbah! How do you do?

Step-by-step explanation:

4 0
3 years ago
How can proportional reasoning help solve a problem?
Anestetic [448]
Answer: Proportional reasoning compares ratios to answer questions.
6 0
3 years ago
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