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fenix001 [56]
3 years ago
15

How is the relationship between diameter and radius expressed?

Mathematics
1 answer:
Semmy [17]3 years ago
6 0
The relationship between diameter and radius can be expressed like this:
Diameter = 2 x Radius.
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Jane had 275 stickers, which she gave to her friends. Each friend got five more stickers than the friend before. If the first fr
Paha777 [63]

Answer:

10 friends

Step-by-step explanation:

we know that

The formula of the sum is equal to

sum=\frac{n}{2}[2a1+(n-1)d]

where

a1 is the first term

n is the number of terms (number of friends)

d is the common difference in the arithmetic sequence

In this problem we have

sum=275\ stickers

a1=5\ stickers

d=5 ----> the common difference

substitute in the formula and solve for n

275=\frac{n}{2}[2(5)+(n-1)(5)]

550=n[10+5n-5]\\ \\550=10n+5n^{2} -5n\\ \\5n^{2}+5n-550=0

Solve the quadratic equation by graphing

The solution is n=10

see the attached figure

therefore

She had 10 friends who got stickers

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3 years ago
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Answer:

Step-by-step explanation:

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Three shipping companies want to compare the mean numbers of deliveries their drivers complete in a day.
Marianna [84]

Answer:

#1 is 10

# 2 is

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4 + 3 + 2 + 1 + 0 + 0 + 0 + 2 + 4

= 16/10 = 1 6/10

The (MAD) = 1 6/10

#3 Groups A & B

#4 sorry I can’t figure this out but I did 1/2/3

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Turn y=4x-7 into standard form.​
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4x=11 is the correct answer:)
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Find the area of a circle with a diameter of 12 inches. Use 3.14 for pi.
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Aloha there! :) The answer to your question is 113.04 sq inches.


Hope I helped! =D
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3 years ago
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