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Law Incorporation [45]
3 years ago
9

?????????????????????????

Mathematics
1 answer:
ELEN [110]3 years ago
7 0
To find the mean <span>Just add up all the numbers, then divide by how many numbers there are.

7 sets of numbers
the sum of all numbers is 105

105 </span>÷ 7 = 15

so the mean of the years is 15
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If the length of the minor axis of an ellipse is 6 units and the length of the major axis is 10 units, how far from the center a
Sedbober [7]

The distance from the center to where the foci are located exists 8 units.

<h3>How to determine the distance from the center?</h3>

The formula associated with the focus of an ellipse exists given as;

c² = a² − b²

Where c exists the distance from the focus to the center.

a exists the distance from the center to a vertex,

the major axis exists 10 units.

b exists the distance from the center to a co-vertex, the minor axis exists 6 units

c² = a² − b²

c² = 10² - 6²

c² = 100 - 36

c² = 64

c = \sqrt{64}

c = 8

Therefore, the distance from the center to where the foci are located exists 8 units.

To learn more about the Pythagorean theorem here:

brainly.com/question/654982

#SPJ4

3 0
1 year ago
A pound is approximately 0.45 kilogram. A person weighs 87 kilograms. What is the person's weight, in pounds, when rounded to th
Vlada [557]

Answer:

you multiply 0.45kg by 87kg you will get 39lb

8 0
3 years ago
The length between the bases on a Major League Baseball diamond is 90 feet. Allyson wants to make a scale drawing of a baseball
Vinil7 [7]

Answer:

\text{The scale is }\frac{1}{432}

Step-by-step explanation:

Length between the bases on a major league diamond = 90 feet

1 feet = 12 inches

90 feet = 90 × 12

             = 1080 inches

Length between the bases on a major league baseball diamond on scale drawing = 2.5 inches

\text{Scale factor = }\frac{\text{Actual length}}{\text{Scale length}}\\\\\text{Scale factor = }\frac{1080}{2.5}=432

\text{Hence, the scale is }\frac{1}{432}

4 0
3 years ago
suppose the growth of Bermuda grass from germination to lawn-care length is normally distributed with a mean of 20 days with a s
Law Incorporation [45]

I chose D bcuz it the right answer to pick

6 0
3 years ago
What is 5+5=????? WILL GIVE BRAINLY
ira [324]

Answer:

10 is the answer

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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