2 years ago

-5(c+4) +25+7c please hurry

Mathematics

1 answer:

Elina [12.6K]2 years ago

3 0

Answer:

2c + 5

Step bu step:

N/A

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Write -9.42 as a mixed number.

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1) Lisa took a trip to Kuwait. upon leaving she decided to convert all of her dinars back into dollars . how many dollars did sh

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Solve the system of linear equations by substitution.<br> y=X-4<br> - 2x+y= 18

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Answer:

] y=x-4

-2x+y=18

y - x = -4

y - 2x = 18

equation [2] for the variable y

[2] y = 2x + 18

// Plug this in for variable y in equation [1]

[1] (2x+18) - x = -4

[1] x = -22

// Solve equation [1] for the variable x

[1] x = - 22

// By now we know this much :

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x = -22

// Use the x value to solve for y

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Step-by-step explanation:

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2 years ago

A class consists of 23 women and 83 mean. If a student is random selected, what is the probability that the student is a woman?

slavikrds [6]

Answer:

$P(Woman) = \frac{23}{106}$

Step-by-step explanation:

Given

$Women = 23$

$Men = 83$

Required

$P(Woman)$

This is calculated as the number of women divided by the population of the class

i.e.

$P(Woman) = \frac{Women}{Women + Men}$

So, we have:

$P(Woman) = \frac{23}{23+83}$

$P(Woman) = \frac{23}{106}$

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2 years ago