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quester [9]
3 years ago
11

Kai has 130 beads to make a necklace there are 100 blue beads there 20 red beads what fraction of the beads are blue what fracti

on of the beads are red
Mathematics
1 answer:
maria [59]3 years ago
5 0
Blue beads: 100/130, which reduces to 10/13.
Red beads: 20/130, which reduces to 2/13.

You're just taking the fraction of the certain color of beads compared with the total number of beads, which is 130.
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Alexxx [7]
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3 0
3 years ago
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Write the first five terms of the arithmetic sequence. a1 = 9; d = -2
asambeis [7]

Answer:

nth term = 1 1/2n -1

Step-by-step explanation:

The arithmetic sequence formula is:

a n = a 1 + ( n – 1 ) d

Where: a n

is the nth term in the sequence

a 1

is the first term in the sequence

n

is the term you are solving for

d

is the common difference for any pair of consecutive numbers in the sequence.

First Term or  

n = 1 :

This is given in the problem.

a 1  =  9

Second Term or  

n = 2 :

Substitute  

2  for  n

in the formula and substitute the values from the problem giving:

a 2 = 9 + ( ( 2 – 1 ) × -2 )

a 2 = 9 + ( 1 × -2 )

a 2 = 9 +-2

a 2 = 7

Fifth Term or  n = 5 :

Substitute      in the formula and substitute the values from the problem giving:

a 5 = 9+ ( ( 5– 1 ) × -2 )

a 5 = 9 + ( 4 × -2 )

a 2 = 9 + -8

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Using this same process you should be able to determiner the

Third Term or  n = 3

: and Fourth Term or  n = 4 :

4 0
2 years ago
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Phoenix [80]

Answer:

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Step-by-step explanation:

5 0
2 years ago
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a train makes a trip at 65 mi/h. A plane traveling 130 mi/h makes the same trip in 3 fewer hours. Write and solve an equation to
Rudik [331]

The formula used for calculating the time is:

t = d / v

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We know that the difference in the two times is 3 hours, therefore:

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Calculating for d:

d = 30 / (1/65 – 1/130)

<span>d = 3900 miles</span>

8 0
3 years ago
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Dafna1 [17]

Answer:

Find the interval of convergence of the following series

Possible Answers:

(4,6)

[4,6)

(4,6)

[4,6]

Correct answer:

(4,6)

Explanation:

Step-by-step explanation:

Find the interval of convergence of the following series

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[4,6)

(4,6)

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Correct answer:

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Explanation:

8 0
1 year ago
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