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3 years ago

The first number is equal to 4 times the second number, the difference of the number is 12, what are the two numbers?

Mathematics

1 answer:

Irina18 [472]3 years ago

7 0

let 1st and 2nd no be x and y respectively

1st case:x=4y

2nd case:x-y=12

substituting the value of x in 2nd case

4y-y=12

3y=12

y=12÷3

y=4

now putting the value of y in 1st case

x=4×4

=16

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3 years ago

Find the slope of the line passing through the points (-2,5) and (3/2, 2).

sveticcg [70]

Answer:

The answer is

Step-by-step explanation:

The slope of the line passing through two points can be found by using the formula

where

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From the question

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The slope is

<h3> $m = \frac{2 - 5}{ \frac{3}{2} + 2} \\ = - \frac{3}{ \frac{7}{2} } \\ = - 3 \div \frac{7}{2} \\ = - 3 \times \frac{2}{7}$ </h3>

We have the final answer as

Hope this helps you

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