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Pepsi [2]
3 years ago
13

What is another way to show that 4/6 = 8/12?

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
6 0

what I think is the answer is 2/3

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What is the probability of
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50% Red, 50% Black

Hope this helps:)

Step-by-step explanation:

5 0
3 years ago
Solve 2cos ²y -siny -1=0 for 0° ≤y≤360°
natima [27]

 

\displaystyle\bf\\2cos^2y -sin\,y -1=0~~~for~~0^o\leq y \leq360^o\\\\cos^2y=1-sin^2y\\\\2(1-sin^2y) -sin\,y -1=0\\\\2-2sin^2y-sin\,y-1=0\\\\-2sin^2y-sin\,y+2-1=0\\\\-2sin^2y-sin\,y+1=0~~~\Big|\times(-1)\\\\2sin^2y+sin\,y-1=0

.

\displaystyle\bf\\\boxed{\bf sin\,y=x}\\\\2x^2+x-1=0\\\\x_{12}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}=\frac{-1\pm\sqrt{1-4\cdot2\cdot(-1)}}{2\cdot2}=\\\\=\frac{-1\pm\sqrt{1+8}}{4}=\frac{-1\pm\sqrt{9}}{4}=\frac{-1\pm3}{4}\\\\x_1=\frac{-1+3}{4}=\frac{2}{4}=\boxed{\bf\frac{1}{2}}\\\\x_2=\frac{-1-3}{4}=\frac{-4}{4}=\boxed{\bf-1}\\\\sin\,y=\frac{1}{2}\\\\\boxed{\bf y_1=\frac{\pi}{6}~~or~~(30^o)}\\\\\boxed{\bf y_2=\frac{5\pi}{6}~~or~~(150^o)}\\\\sin\,y=-1\\\\\boxed{\bf y_3=\frac{3\pi}{2}~~or~~(270^o)}

 

 

5 0
3 years ago
(x-5)^2+2=11 solve by using square roots.
JulijaS [17]
<h3>Answer:  x = 2 or x = 8</h3>

Work Shown:

(x-5)^2+2=11\\\\(x-5)^2=11-2\\\\(x-5)^2=9\\\\x-5=\pm\sqrt{9}\\\\x-5=\pm3\\\\x=5\pm3\\\\x=5+3 \text{ or } x = 5-3\\\\x=8 \text{ or } x = 2\\\\

8 0
2 years ago
Write 3/2 as a mixed number
xenn [34]

Answer:

1\frac{1}{2}

Step-by-step explanation:

3/2 = 2/2 * 1/2

2/2 = 1

So 3/2 = 1\frac{1}{2}

6 0
3 years ago
Read 2 more answers
Could u clinch this???
disa [49]
Hope it can help u!!!!!!!

5 0
2 years ago
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