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3 years ago

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The function y= -3(x-2)^2 +6 shows the daily profit in hundreds of dolars of a hot dog stand where x is the price of a hot dog i

n dollars find and interpret the zeros of this function

1 answer:

Misha Larkins [42]3 years ago

6 0

Gotta graph this one
Zeros are $.586 and $3.414 and the profit is zero when these are the prices

Maximum profit when the dogs are 2 bucks

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The probability that Maria succeeds at any given free-throw is 75%. She was curious how many free-throws she can expect to succe

Illusion [34]

Answer:

5: 0 successes

6: 5 successes

7: 8 successes

8: 6 successes

9: 6 successes

10: 1 success

We need to use her results to estimate the probability that she succeeds at fewer than 7 free-throws in a sample of 10 free-throws.

First, find out how many successes were less than 7 (out of 25), which is 5.

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Step-by-step explanation:

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2 years ago

Suatu jenis roti memerlukan 150 gram tepung dan 50 gram mentega. Roti jenis lain memerlukan 75 gram tepung dan 75 gram mentega,

Ivahew [28]

Let the one type of the bread be bread A
The second type of the bread be bread B

Let the flour be 'f' and the butter be 'b'

We need 150f + 50b for bread A and 75f + 75b for bread B

We can compare the amount of flour and bread needed for each bread and write them as ratio

FLOUR

Bread A : Bread B
150 : 75
2 : 1

We have a total of 2250gr of flour, and this amount is to be divided into the ratio of 2 parts : 1 part. There is a total of 3 parts.

2250 ÷ 3 = 750 gr for one part then multiply back into the ratio to get

Bread A : Bread B = (2×750) : (1×750) = 1500 : 750

BUTTER

Bread A : Bread B = 50 : 75 = 2 : 3

The amount of butter available, 1250 gr is to be divided into 2 parts : 3 parts.
There are 5 parts in total

1250 ÷ 5 = 250 gr for one part, then multiply this back into the ratio

Bread A: Bread B = (2×250) : (3×250) = 500 : 750

Hence, for bread A we need 1500 gr of flour and 500 gr of butter, and for bread B, we need 750 gr of flour and 750 gr of butter.

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3 years ago

Read 2 more answers

How many songs can you play on sound cloud before a ad comes on

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3? i don’t know or maybe 10

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2 years ago

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In order to know which number is closest to 27. 8 x 9.6, we must first get the product between the two numbers. So, 27.8 x 9.6 is equal to 266.88. To round this off, we get 267. Among the given choices, the number that is closest to 267 is only 280. Therefore, the correct answer would be option A.

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3 years ago

Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value u

Mashutka [201]

Answer:

The critical z value used to test a null hypothesis is ±1.75.

Step-by-step explanation:

We are given that the data has a normal distribution and the number of observations is greater than fifty.

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<u>Null Hypothesis</u>, $H_0$ : $\mu$ = 3.24

<u>Alternate Hypothesis</u>, $H_1$ : $\mu\neq$ 3.24

This means that our test is two-tailed because in the alternate hypothesis we are concerned with mean value is less than or greater than 3.24.

Also, level of significance (α) = 0.08

Now, for two-tailed test level of significance becomes = $\frac{\alpha}{2} =\frac{0.08}{2}$ = 0.04

So, in the z-table the critical value of x at 4% significance level is given as 1.75.

Since, this is two-tailed test so the critical z value used to test a null hypothesis would be ±1.75.

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