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3 years ago

The Orioles played 90 games and have won 70% of them. How many games has the team won?

Mathematics

2 answers:

Afina-wow [57]3 years ago

6 0

To answer this, all you have to do is multiply 90 by 0.7!
so the final answer is 63 games.

Aleonysh [2.5K]3 years ago

6 0

Well, first of all, in mathematics, the word "of" represents multiplication. Also, when ever a number has the percentage sign(%). It means it is divided by 100.That is, its denominnator is 100. So in this case, 70% is 70/100.
The questions says they won 70% OF the games. That simply means;
70/100×90
When you calculate that, you will get 63. Which means they won 63 of the games. Hope i helped. Have a nice day.

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(5.1-3.61) x 10^8

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3 years ago

Rewa Delta Union Rugby CEO has become concerned about the slow pace of the rugby games played in the current union rugby, fearin

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Answer:

We conclude that the mean duration of 15-sided union rugby games has decreased after the meeting.

Step-by-step explanation:

We are given that Before the meeting, the mean duration of the 15-sided rugby game time was 3 hours, 5 minutes, that is, 185 minutes.

A random sample of 36 of the 15-sided rugby games after the meeting showed a mean of 179 minutes with a standard deviation of 12 minutes.

Let $\mu$ = mean duration of 15-sided union rugby games after the meeting.

So, Null Hypothesis, $H_0$ : $\mu \geq$ 185 minutes {means that the mean duration of 15-sided union rugby games has increased or remained same after the meeting}

Alternate Hypothesis, $H_A$ : $\mu$ < 185 minutes {means that the mean duration of 15-sided union rugby games has decreased after the meeting}

The test statistics that would be used here One-sample t test statistics as we don't know about the population standard deviation;

T.S. = $\frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }$ ~ $t_n_-_1$

where, $\bar X$ = sample mean duration of 15-sided union rugby games = 179 min

s = sample standard deviation = 12 minutes

n = sample of 15-sided rugby games = 36

So, the test statistics = $\frac{179-185}{\frac{12}{\sqrt{36} } }$ ~ $t_3_5$

= -3

The value of t test statistics is -3.

Now, at 1% significance level the t table gives critical value of -2.437 at 35 degree of freedom for left-tailed test.

Since our test statistic is less than the critical value of t as -3 < -2.437, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which we reject our null hypothesis.

Therefore, we conclude that the mean duration of 15-sided union rugby games has decreased after the meeting.

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3 years ago

Teresa, Pablo, and Felipe have a total of $106 in their wallets. Pablo has 4 times what Felipe has. Teresa has $8 less than Feli

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Answer: Felipe= 106

Teresa=98

Pablo=464

Step-by-step explanation:

Since Pablo has 4 times you do $106x4=464 and Teresa has 8 less so $106-8= $98

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3 years ago

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gtnhenbr [62]

The answer is 4. 2x plus 7 is equal to 15. First you subtract 7 from both sides then divide by 2 to get the answer 4. Hope this helps!

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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