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3 years ago

Hmm who is smart enough for this :)

Mathematics

2 answers:

Goryan [66]3 years ago

7 0

Answer:

$-\frac{9}{15}$

-0.7

Step-by-step explanation:

Both $-\frac{9}{15}$ and -0.7 are negative so therefore, 1 is the greatest

$-\frac{9}{15}$ is -0.6 which is greater than -0.7 so it's the 2nd greatest

and -0.7 is the least

SSSSS [86.1K]3 years ago

4 0

Answer:1 -9/15. -0.7

Step-by-step explanation:

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Solve 6 2/3 -1 1/2+4 1/6

Tju [1.3M]

Answer:

9 1/3

Step-by-step explanation:

Make 2/3 , 1/2 , & 1/6 have the same denominator. 6 is the least common multiple for all 3 fractions.

2/3 gets multiplied by 2/2

1/2 gets multiplied by 3/3

1/6 stays the same

2/3 becomes 4/6

1/2 becomes 3/6

1/6 stays 1/6

Follow the order of operations from the original equation.

4/6 - 3/6 = 1/6 then 1/6 + 1/6 = 2/6

6 - 1 = 5 then 5 + 4 = 9

Simplify 2/6 to 1/3

Remember to add 1/3 back to 9 making it 9 1/3

8 0

3 years ago

Given points A(-3, 2), B(7, 8), and C(10,3) of parallelogram ABCD, find the coordinates of D that complete the parallelogram cor

dlinn [17]

I believe it is(0,-3)

6 0

3 years ago

Calculating the degrees of freedom, the sample variance, and the estimated standard error for evaluations using the t statistic

Yuliya22 [10]

Answer:

a) For the first part we have a sample of n =10 and we want to find the degrees of freedom, and we can use the following formula:

$df = n-1= 10-1=9$

d.9

b) $s^2 = \frac{SS}{n-1}= \frac{600}{41-1}= 15$

a.15

c) For this case we have the sample size n = 25 and the sample variance is $s^2 =400$ , the standard error can founded with this formula:

$SE = \frac{s^2}{\sqrt{n}}= \frac{400}{\sqrt{25}}= 80$

Step-by-step explanation:

Part a

For the first part we have a sample of n =10 and we want to find the degrees of freedom, and we can use the following formula:

$df = n-1= 10-1=9$

d.9

Part b

From a sample we know that n=41 and SS= 600, where SS represent the sum of quares given by:

$SS = \sum_{i=1}^n (X_i -\bar X)^2$

And the sample variance for this case can be calculated from this formula:

$s^2 = \frac{SS}{n-1}= \frac{600}{41-1}= 15$

a.15

Part c

For this case we have the sample size n = 25 and the sample variance is $s^2 =400$ , the standard error can founded with this formula:

$SE = \frac{s^2}{\sqrt{n}}= \frac{400}{\sqrt{25}}= 80$

8 0

3 years ago

How do you simplify numbers with exponents

tensa zangetsu [6.8K]

You write it out then you’ll get the exponent

7 0

3 years ago

A telephone pole casts a 10 foot shadow. A horse that stands 5.5 feet tall casts a 2.5 foot shadow. How tall is the pole?

Makovka662 [10]

Answer:

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6 0

3 years ago