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Galina-37 [17]
3 years ago
7

12.42 x 28.6 gbrbgrbfgbvfvffvfgfgfgfgfggfg

Mathematics
1 answer:
liq [111]3 years ago
7 0

Answer:

Step-by-step explanation:

355 53/250 = 355.212

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Sheree’s brother gave samuel his collection of stamps when she left for college. at that time, the value of the collection was $
AlekseyPX

The rate of change of stamp collection was $57.5 per year.

Rate is comparison of two related quantities.

Often the second quantity is time (per second, per hour, etc) but it can be anything.

Can be in the style "this per that" or as a single number calculated using division.

Example: Sam makes 3 pancakes every 6 minutes, that is a rate of:

• 3 pancakes per 6 minutes

• 0.5 pancakes per minute

• 30 pancakes per hour

• an hourly rate of 30

By formula the rate of change = Change in cost/ Time taken

=( $980 - $420)/ 8years

= $460/ 8 years

= $57.5 per year

Thus the rate of change of stamp collection was $57.5 per year.

Learn more about rate here :

brainly.com/question/12786410

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4 0
1 year ago
The altitude of an equilateral triangle is 15. What is the length of each side?
Bogdan [553]
An equilateral triangle is a triangle where all sides are of equal lengths. So, the angles are of equal values as well which is 60. We use the angle and the height of the triangle to determine the side length. We do as follows:

tan (60) = 15 / base/2
base = 10√3 = side length
6 0
3 years ago
PLEASE HELP!!!! thank you if you help me!
ELEN [110]

Answer:

i can see nothing

Step-by-step explanation:

5 0
3 years ago
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How did u get 4/3. Because I’m confused
Svet_ta [14]
What’s the original question and I can help!
5 0
3 years ago
Circle A has a diameter of 9 inches, a circumference of 28.26 inches, and an area of 63.585 square inches. The diameter of circl
torisob [31]
Please note that pi has just one value.  The only difference stems from round-off error when you don't use all of the digits following "3.14159 ... " to represent the value of pi.  The formula for circumference is C = 2 pi r, or C = pi d, 
where r=radius and d=diameter.

Circle A:  Diameter 9 inches and Circumference of 28.26 inches

If the diameter is 9 inches, then C = 28.26 inches = pi (9 inches).  Divide 28.26 inches by 9 inches.  Note that you MUST round off the ratio (pi) that you obtain, since 28.26 has 4 significant figures and 9 has just one.

28.26
------- = 3.14, but because 9 has just one significant figure, you must round 
    9           this 3.14 to just 3.


6 0
3 years ago
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