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GenaCL600 [577]
3 years ago
9

Subtract (3x² + 7) – (3x - 2)

Mathematics
2 answers:
timurjin [86]3 years ago
5 0

Answer:

3x^2 - 3x + 9

Step-by-step explanation:

you combine like terms. so the only things you can subtract is 7 - -2 which is actually 7 + 2. hope this helped

Snezhnost [94]3 years ago
5 0

Answer:

(3x² + 7) – (3x - 2)= 3(x²-x+3)

Step-by-step explanation:

3x² + 7- 3x - 2   -add 7 and 2 to get 9

3x²- 3x+9         -factor the common term which is 3

3(x²-x+3)          -then here's you answer

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To win a particular lottery game, it is necessary to match numbers on 5 balls that are randomly picked from 65 balls numbered 1-
emmainna [20.7K]

Answer: 5.34*10^{-5}

Step-by-step explanation:

given data:

number of balls = 65.

special black ball that is picked from 10 other balls = numbered 0-9.

<u><em>Solution:</em></u>

<em>probability that a single lottery ticket will match 2 balls and the special black ball.</em>

= 65C2*9C1\\\\= 18720\\\\=\frac{1}{18720} \\\\= 5.34*10^{-5}

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3 years ago
If the relationship is proportional, what is the missing value from the table?
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Step-by-step explanation:

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3 years ago
during a thunderstorm yesterday, 600 millimeters of rain fell in 30 minutes. what is the unit rate for millimeter per minute?
ludmilkaskok [199]
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3 years ago
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What is 4 1/2 pint to quart?
Ivanshal [37]

There are two pints every quarter.

So let's convert pints to quarter

   \frac{4\frac{1}{2} }{2} =\frac{\frac{9}{2} }{2} = \frac{9}{4}

There 4 1/2 pint is to 9/4 quarter.

Hope that helps!

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5 0
2 years ago
The length of a rectangle is six times its width. If the area of the rectangle is 486 in 2 , find its perimeter.
seraphim [82]

w - width

6w - length

486 in² - area of the rectangle

(w)(6w) = 6w² - area of the rectangle

The equation:

6w² = 486     <em>divide both sides by 6</em>

w² = 81 → w = √81

w = 9 in

l = 6w → l = (6)(9) → l = 54 in

The perimeter: P = 2l + 2w

P = 2(54) + 2(9) = 108 + 18 = 126 in

<h3>Answer: The perimeter is 126in</h3>
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4 years ago
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