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2 years ago

A pronghorn running up a steep cliff to escape its predator covered 45 miles in 1 hour and 45 minutes.

Mathematics

1 answer:

Dmitriy789 [7]2 years ago

5 0

Answer:

25 . 71 mph

Step-by-step explanation:

45 miles in 1.75 hr

45 miles / 1.75 hr = 25.71 mph

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Find the range, mean, and standard deviation of the data set (3, 6, 9, 11, 15, 16) The range is 13 (Type a whole number.) The me

iris [78.8K]

Answer: The range is 13. The mean is 10. The standard deviation is 4.62 .

Step-by-step explanation:

The given data : 3, 6, 9, 11, 15, 16

Total number of data values : n = 6

The mean of data is given by :-

$\overline{x}=\dfrac{\sum^6_{i=1}x_i}{n}\\\\\Rightarrow\overline{x}=\dfrac{60}{6}=10$

The standard deviation is given by :-

$\sqrt{\dfrac{1}{n}(\sum^6_{i=1}(x_i-\overline{x})^2)}\\\\=\sqrt{\dfrac{1}{6}(\sum^6_{i=1}(x_i-10)^2)}\\\\=\sqrt{\dfrac{1}{6}\times(49+16+1+1+25+36)}=4.61880215352\approx4.62$

The range of the data : Maximum value -Minimum value

$=16-3=13$

6 0

3 years ago

Use fraction strips to help.

MatroZZZ [7]

Sorry, I didn't use fraction strips but,

2. 2/4

3. 4/6

4. 6/8

5. 1 is equivalent to 3/3 based on this problem so the answer is 1/3

6. 6/10

7. 2/4

8. 2/6

Hope this helped even without fraction strips! :)

4 0

3 years ago

Read 2 more answers

Which of the sets shown include the elements of Set Z that are both even numbers and multiples of 3? Z = {–12, –10, –9, –1, 3, 6

gregori [183]

Answer:

B. -12,6

Step-by-step explanation:

6 0

3 years ago

Spiral Review Elena draws a scale drawing for a garden in her backyard. The scale drawing is 3 inches by 6 inches. The garden wi

faust18 [17]

1/4 bc if you take the fraction 3/12 and simply it’s 1/4

3 0

3 years ago

Find the area of the shape

Tema [17]

Answer:

A. 104 cm²

Step-by-step explanation:

22*4 + 2*(1/2)*4*4 = 88 + 16 = 104 cm²

Correct choice is A

5 0

3 years ago