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2 years ago

Which of the following equations is used to find the value of c?

Mathematics

2 answers:

givi [52]2 years ago

6 0

A squared plus b squared equals c squared (d) . This formula is used to find a specific side of a triangle.

erica [24]2 years ago

5 0

Answer:

D. $a^{2} + b^{2} = c^{2}$

Step-by-step explanation:

Pythagorean Theorem

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Math Problem Solving statistics and probability

luda_lava [24]

Answer:

Standard Deviation = 3.22

Variance = 10.36

Step-by-step explanation:

x P(x) x × P(x) x² x² × P(x)

19 0.20 3.8 361 72.2

10 0.20 2 100 20

11 0.30 3.3 121 36.3

12 0.20 2.4 144 28.8

13 0.10 1.3 169 16.9

____________________________________________

12.8 174.2 => Total

Mean Formula

$\mu_x = \sum(x \times P(x))$ $= 12.8$

$\mu_x^2 = 163.84$

Variance Formula

$\sigma _x^2 = \sum[x^2 \times P(x)] - \mu_x^2$

$= 174.2- 163.84\\\\=10.36$

Standard Deviation Formula

$Standard\ deviation, \ \sigma_x = \sqrt{Variance}$

$=\sqrt{10.36}\\\\=3.218$

5 0

2 years ago

How many 4/5 cup servings are in 2/5 of a cup of ice cream (in simpleist form)

Vilka [71]

Answer:

There is 1/2 of 4/5 cup servings in a cup of ice cream.

8 0

1 year ago

(rs) (4) = (r/s) (3) =

Dmitriy789 [7]

Answer:

(rs) (4) = (r/s)(3) = (r)(s)(2)

4 0

3 years ago

Use a table to write a proportion Am I correct, or do I need to switch 6 and 8?

olga2289 [7]

Answer:

Yes I believe that is correct.

Step-by-step explanation:

Im not sure why the m is first because it would be 180 miles first but I think you are correct, I think you should wait for another answer tho because I am not 100 percent sure. :)

4 0

2 years ago

Melissa pulls the pep club to see which sport they like. She finds that 45 students like soccer only, 35 students like football

RoseWind [281]

The one that looks like this.

6 0

2 years ago