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levacccp [35]
3 years ago
13

I need help with this question please I’ll give u brain

Mathematics
1 answer:
lina2011 [118]3 years ago
7 0

Answer:2In2-2In3

Step-by-step explanation:

In(4/9)

In4-In9

In2^2-In3^2

2In2-2In3

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Step-by-step explanation:

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frosja888 [35]

Multply both sides of the equation by 7.

\dfrac{x}{7}\cdot 7=\dfrac{4}{5}\cdot 7\\\\x=\dfrac{28}{5}=5.6

_____

When the variable is in the numerator of a proportion like this, you can solve it by multiplying by that denominator. That multiplication cancels the denominator and gives you the value of the variable.

In general, you multiply by the reciprocal of the coefficient of x. When that coefficient is 1/7, you multiply by 7/1. Of course, you know that 7/7 = 1 and that x/1 = x.

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3 years ago
Use ratio language to describe the relationship between 2 dogs and 1 cat
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2:1 is the ratio

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Please help meeee!! Finding a slope of a line
Lelechka [254]

Answer:

\huge\boxed{\sf Slope = \frac{5}{2} }

Step-by-step explanation:

<u>Take any two points or coordinated from the graph.</u>

Let's take (2,2) and (0,-3)

So,

\sf (x_{1},y_{1}) = (2,2)\\\\(x_{2},y_{2}) = (0,-3)

Hence,

\sf Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}  \\\\Slope = \frac{-3-2}{0-2} \\\\Slope = \frac{-5}{-2} \\\\Slope = \frac{5}{2} \\\\\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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2 years ago
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