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forsale [732]
3 years ago
5

-109 divide by -9 what is the fraction?

Mathematics
2 answers:
nika2105 [10]3 years ago
8 0

Answer:

12.1/1

Step-by-step explanation:

atroni [7]3 years ago
8 0

Answer: 12 1/9

Step-by-step explanation:

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Factor the following polynomial completely <br><br> 4x^2-100
Murrr4er [49]

Answer:

4 [ ( x - 5) ( x + 5) ]

Step-by-step explanation:

4x²-100

4 (x²-25)

4 (x²-5²)

4 [( x - 5) ( x + 5)]

4 0
3 years ago
I need help fining X. I keep getting a negative number
KIM [24]

Answer:

3

Step-by-step explanation:

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3 years ago
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23. If 25% of a number is 75. find the number.<br>A. 700 B. 600 C. 500 D, 400 E. 300​
nadya68 [22]

Answer:

<em><u>2</u></em><em><u>3</u></em><em><u>.</u></em><em><u>E</u></em>

Step-by-step explanation:

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3 years ago
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Interval is 0, 2pi) 4 sin^2x-4 sin x + 1 = 0
svetoff [14.1K]

Answer:

\large\boxed{x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}}

Step-by-step explanation:

4\sin^2x-4\sin x+1=0\\\\2^2\sin^2x-2(2\sin x)(1)+1^2=0\\\\(2\sin x)^2-2(2\sin x)(1)+1^2=0\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\(2\sin x-1)^2=0\iff2\ain x-1=0\qquad\text{add 1 to both sides}\\\\2\sin x=1\qquad\text{divide both sides by 2}\\\\\sin x=\dfrac{1}{2}\to x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}

8 0
3 years ago
3(1.5x+9)= tell me NOW
Misha Larkins [42]

Answer:

x = -6

Step-by-step explanation:

Simplifying

3(1.5x + 9) = 0

Reorder the terms:

3(9 + 1.5x) = 0

(9 * 3 + 1.5x * 3) = 0

(27 + 4.5x) = 0

Solving

27 + 4.5x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-27' to each side of the equation.

27 + -27 + 4.5x = 0 + -27

Combine like terms: 27 + -27 = 0

0 + 4.5x = 0 + -27

4.5x = 0 + -27

Combine like terms: 0 + -27 = -27

4.5x = -27

Divide each side by '4.5'.

x = -6

Simplifying

x = -6

5 0
3 years ago
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