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arsen [322]
3 years ago
15

What is the expression in factored form 9x^2-18x+9

Mathematics
1 answer:
nydimaria [60]3 years ago
7 0
9x^2-18x+9 =9(x^2-2x+1)=9(x-1)^2
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Two students are running on a circular path. It takes the first student 25 minutes to complete one lap, and it takes the second
Anna11 [10]

The computation shows that the time when they'll meet each other will be 175 minutes.

<h3>How to illustrate the information?</h3>

From the information, it takes the first student 25 minutes to complete one lap, and it takes the second student 35 minutes to complete one lap.

It should be noted that the time when they'll meet each other will be the lowest common multiple of 25 and 35.

This will be 175 minutes.

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6 0
1 year ago
Nina and Luca were told to draw a net for the three-dimensional figure shown below. Which statement about the students' nets is
NISA [10]

Answer:

it was a three-dimensional figure

8 0
3 years ago
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A certain alloy contains 5.25% copper. How much copper is there I a piece weighing 200 pounds?
kykrilka [37]
Find 5.25% of 200
remember
1% of 100=1
therefor
1% of 200=2
just remove the decimal and double it (for this special case of finding percent of 200)

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answer is 10.5 pounds of copper
(the legit way is 0.0525 times 200=10.5 pound)


10.5lb is answer
4 0
3 years ago
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The steps to derive the quadratic formula are shown below:
Georgia [21]

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Step-by-step explanation:

We can rewrite the left hand side as a perfect square, more specifically

\left(x+\frac{b}{2a} \right)^2

So, taking the square root of both sides,

x+\frac{b}{2a}=\pm \frac{\sqrt{b^2 - 4ac}}{\sqrt{4a^2}}

3 0
2 years ago
Baldwin is a salesperson. He sold an oil painting for $386 and earned 18% commission. How much commission did Baldwin earn?
scZoUnD [109]
He earned 69.48$ commission
386 x 0.18= 69.48$.
6 0
3 years ago
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