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2 years ago

Pleaseeee helppp i’m running out of time

Mathematics

1 answer:

PilotLPTM [1.2K]2 years ago

3 0

Answer:

Square Root of 162 ~ 12.727

Step-by-step explanation:

Simply do the Pythagorean Theorem!

a^2 + b^2 = c^2

This case we're solving for the long side which is the hypothenuse.

9^2+9^2= c^

81+81=c^

162=c^

Square root of 162

Which is 12.727

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Seven pens and two pencils costs $6.59. seven pens and five cost $7.55. Find the cost of one pencil and the cost of one pen.

serg [7]

Let one pen be $x$ and one pencil as $y$ , we can produce two equations in terms of $x$ and $y$

$7x+2y=6.59$ ------> Equation 1
$7x+5y=7.55$ ------> Equation 2

We can use either Elimination or Substitution method. Let's try the substitution method

Rearranging equation one to get $7x=6.59-2y$ and substitute into equation 2, gives
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We can use either equation one or equation to work out $x$

$7x+2(0.32)=6.59$
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The price of one pen is $0.85
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2 years ago

A mortgage company approves 79% of the applications. In a random sample 25 applications, what is the expected number that will b

Fiesta28 [93]

Step-by-step explanation:

the an answer to your question is 5

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