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Vikki [24]
3 years ago
10

2/3=1/4K What does k equal?

Mathematics
2 answers:
Marrrta [24]3 years ago
8 0

Answer:

2/3= 1/4k

2/3*4=k

8/3=k

Step-by-step explanation:

Arisa [49]3 years ago
6 0

Answer:

0.375

Step-by-step explanation:

2* 4k= 3*1

8k=3

k=3/8

k=0.375

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The ratio of the number of picture books encyclopedias, and fairy tale books Annette had is 3:4:5 She gave half of her encyclope
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Using a system of equations, it is found that she has 9 picture books.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

  • Variable x: Number of picture books.
  • Variable y: Number of encyclopedias.
  • Variable z: Number of fairy tale books.

The ratio of the number of picture books encyclopedias, and fairy tale books Annette had is 3:4:5, hence:

\frac{x}{y} = \frac{3}[4}, \frac{x}{z} = \frac{3}{5}, \frac{y}{z} = \frac{4}[5}

She gave half of her encyclopedias to her brother and he gave her 5 books of fairytales. Now she has 14 more books of fairy tales than encyclopedias, hence:

z + 5 - 0.5y = 14.

z - 0.5y = 9

From the ratios, we have that:

y = \frac{4}{3}x, z = \frac{5}{3}x

Hence we solve for x to find the number of picture books:

z - \frac{y}{2} = 9

\frac{5}{3}x - \frac{2}{3}x = 9

x = 9.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

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2 years ago
There are four more nickels than quarters how many more nickels are there if the coins are worth $2.30
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To me this really is just a guess; 7 quarters so is 11 nickels which is (1.75 + .55) which is 2.30

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3 years ago
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