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dedylja [7]
3 years ago
6

What is maximum value of y=cosx​

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
4 0

y=cosx has a maximum value of positive 1

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14.8 divided by 4 then round to the nearest 10th
irina1246 [14]

Answer:

3.7

Step-by-step explanation:

Really just divide and then round it to only one number on the right of the decimal(use a calculator)

7 0
3 years ago
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To celebrate the first day of winter, Lin was putting stickers on some of the lockers. There are 100 lockers along one side of h
Digiron [165]

Answer:

Step-by-step explanation:

Answer:

2 lockers have both

Step-by-step explanation:

Here, if we have stickers being placed on the 5th and 7th stickers, how many lockers have both stickers

What this question is simply asking us is to find the places where we have both stickers occurring

We can get this in places where there are multiples of both

We have this at 35th locker , 70th locker

5 0
2 years ago
The Genetics & IVF Institute conducted a clinical trial of the YSORT method designed to increase the probability of conceivi
Reika [66]

Answer: The test statistic needed to test this claim= 10.92

Step-by-step explanation:

We know that the probability of giving birth to a boy : p= 0.5

i..e The population proportion of giving birth to a boy =  0.5

As per given , we have

Null hypothesis : H_0: p\leq0.5

Alternative hypothesis :  H_a: p>0.5

Since H_a is right-tailed , so the hypothesis test is a right-tailed z-test.

Also, it is given that , the sample size : n= 291

Sample proportion: \hat{p}=\dfrac{239}{291}\approx0.82

Test statistic : z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}} , where n is sample size ,  \hat{p} is sample proportion and p is the population proportion.

\Rightarrow\ z=\dfrac{0.82-0.5}{\sqrt{\dfrac{0.5(1-0.5)}{291}}}\approx10.92

i.e. the test statistic needed to test this claim= 10.92

Critical value ( one-tailed) for  0.01 significance level = z_{0.01}=2.326

Decision : Since Test statistic value (10.92)> Critical value (2.326), so we reject the null hypothesis .

[When test statistic value is greater than the critical value , then we reject the null hypothesis.]

Thus , we concluded that we have enough evidence at 0.01 significance level to support the claim that the YSORT method is effective in increasing the likelihood that a baby will be a boy.

7 0
3 years ago
60% of the students on the field trip love the museum. If 24 students love the museum, how many students went on the field trip?
zhenek [66]

Answer:

40

60% of 40 is 24

so the answer would be 40

6 0
3 years ago
Kodiak is riding her skateboard<br> down a hill.<br> What is the slope?<br><br><br> Please help asap
Westkost [7]

Answer:

Slope = 1/20

Step-by-step explanation:

Because every 1 second, she goes down 20 feet.

8 0
3 years ago
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