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3 years ago

Choose the best selection for the following figure

Mathematics

1 answer:

lions [1.4K]3 years ago

3 0

Correct answer would be rhombus yessir

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a girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sister

dimulka [17.4K]

Answer:

4 brothers and 3 sisters

Step-by-step explanation:

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3 years ago

What is 2 hundredths in standard form in fifth grade

lord [1]

0.02

0._ is tenths and

0.0_ is hundredths

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3 years ago

Read 2 more answers

you were able to purchase 5 gallons of gas for 19.85. how many gallons did you buy if you spent 47.64

natulia [17]

47.64/19.85=2.4

2.4*5=12

You bought 12 gallons of gas.

Check:

19.85/5=3.97

3.97*12=47.64

6 0

3 years ago

(Algebra) What is the lowest common denominator of 3/8x and 5/18x?

attashe74 [19]

Answer: 3/8x

To find the least common denominator first convert all integers and mixed numbers (mixed fractions) into fractions. Then find the lowest common multiple of the denominators. This number is same as the least common denominator .You can then write each term as an equivalent fraction with the same LCD denominator.

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3 years ago

g You have drawn a simple random sample of 68 college students, asking each student their grade point average (GPA). Each indivi

solmaris [256]

Answer:

The upper confidence limit of a 92% confidence interval for the population mean of grade point average is 2.93.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.92}{2} = 0.04$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.04 = 0.96$ , so $z = 175$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

$M = 1.75*\frac{0.2}{\sqrt{68}} = 0.04$

The upper end of the interval is the sample mean added to M. So it is 2.89 + 0.04 = 2.93.

The upper confidence limit of a 92% confidence interval for the population mean of grade point average is 2.93.

8 0

3 years ago