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Kobotan [32]
3 years ago
10

It is about solving equations by substitution. if you can help plzzz

Mathematics
1 answer:
Lyrx [107]3 years ago
6 0
Message me, and i can help more:)
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What is 13/20 as a part to part ratio
notsponge [240]

65%

Convert fraction (ratio) 13 / 20 Answer: 65%

7 0
3 years ago
Help I dont get what to do
Mars2501 [29]

Answer:

  a/(bxy) if b≠0, x≠0, y≠0, x≠y

Step-by-step explanation:

You have correctly simplified the expression. The conditions placed on both the original and simplified forms are that none of the denominator factors may be zero. The denominator factors are b, x, y, and (x-y).

  \dfrac{a}{bxy}\text{ if $b\ne0;$ $x\ne0;$ $y\ne0;$ $x\ne y$}

6 0
2 years ago
a number, half of that number, and one-third of that number are added. The result is 22. What is the original number
aliina [53]
<span>A number, half of that number, and one-third of that number are added.
This statement can be expressed as:
x + (1/2)x + (1/3)x

The total is 22
</span>x + (1/2)x + (1/3)x = 22

So let's look for x
x + (1/2)x + <span>(1/3)x = 22
</span>(6x + 3x + 2x) / 6 = 22
11x = 132
x = 12

So the original number is 12.
7 0
3 years ago
Rewrite the equation below so that it does not have fractions.
Eddi Din [679]
Since the 3 and 7 have 21 as a common multiple you can divide 21 by the denominator of each term and then multiply it by the numerator which get you while numbers
8 0
3 years ago
a class voted for either rollerblading, swimming, or biking as their favorite summer activity. if rollerblading got 21% percent
Sauron [17]

Answer:  39% voted for biking

Step-by-step explanation:

Add the other two percentages and subtract from 100

40 + 21 = 61

100 - 61 = 39

8 0
3 years ago
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