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3 years ago

18 is what percent of 20?

Mathematics

2 answers:

velikii [3]3 years ago

5 0

divide it

18/20 = 0.9

18 is 90% of 20

Ne4ueva [31]3 years ago

4 0

Theeeeeee anweeeer isssss

90%

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Find the point estimate for the true difference between the given population means. Round your answer to three decimal places.

uranmaximum [27]

Answer:

Point Estimate for different between population means = - 0.99

Step-by-step explanation:

We are given data of two samples and we have to find the best point estimate of the true difference between two population means. Remember that in absence of data about population the best estimator is the sample data. So, we will find the means of both sample data and find the difference of that means. This difference between the means of sample data will be the best point estimate for the true difference between the population means.

Formula to calculate the mean is:

$Mean=\frac{\text{Sum of Values}}{\text{Number of Values}}$

Mean of Sample 1:

$Mean=\frac{1414}{11}=128.55$

Mean of Sample 2:

$Mean=\frac{1684}{13}=129.54$

Therefore the best point estimate for difference between two population means would be = Mean of Sample 1 - Mean of Sample 2

= 128.55 - 129.54

= - 0.99

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2 years ago

What is the largest number of consecutive integers whose sum is 2003?

Sladkaya [172]

$2003 \div 2$ =1001.5

Go .5 below and .5 above this answer to get your consecutive integers.

Therefore the answer is 1001 and 1002.

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3 years ago

WILL GIVE BRANILEST ASAP Rocky simplified an expression in three steps, as shown:

Elenna [48]

<span>Step 1, all the exponents are increased by 2 since when squaring a number you have to multiply it to the exponents </span>

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2 years ago

For the Black Panther Trip 420 students were scheduled to go. After collecting more parent surveys, 15% more students are going

natulia [17]

Answer: $ 10,988.25

Step-by-step explanation:

Hi, to answer this question, first we have to multiply the original number of students scheduled to go to the trip (420) by the added students’ percentage (15%) in decimal form (divided by 100)

420 x (15/100) = 420 x 0.15 = 63 students added

Adding the number of extra students to the original number:

420+63 = 483 students (total number of students)

Finally, we have to multiply the result by the cost of each admission ticket (22.75)

483 x 22.75 = $ 10,988.25

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2 years ago

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sineoko [7]

Oven baked hot cheetos

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3 years ago

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