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PtichkaEL [24]
3 years ago
8

121 is 55% of what number

Mathematics
1 answer:
Wewaii [24]3 years ago
3 0
Let x be the unknown number
x×55%=121
x=121÷55%
x=220
So 121 is 55% of 220
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2/3 + 1/2 is 7/6
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Answer:

In ∆ABC AND ∆DEF

ABC=DEF...........each 90°

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Please please use explanation with answer
KIM [24]

Answer:

\large\boxed{\theta=-\dfrac{\pi}{4}+k\pi\ or\ \theta=k\pi}\ for\ k\in\mathbb{Z}

Step-by-step explanation:

\tan^2\theta+\tan\theta=0\\\\\tan\theta(\tan\theta+1)=0\iff\tan\theta=0\ \vee\ \tan\theta+1=0\\\\\tan\theta=0\Rightarrow \theta=k\pi\ \text{for}\ k\in\mathbb{Z}\\\\\tan\theta+1=0\qquad\text{subtract 1 from both sides}\\\\\tan\theta=-1\Rightarrow\theta=-\dfrac{\pi}{4}+k\pi\ \text{for}\ k\in\mathbb{Z}

5 0
3 years ago
Ms. Gardenault's fig tree was 12.78 centimeters tall on Monday. When the height of the plant was measured on Friday, the plant w
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Explanation is in the file

tinyurl.com/wpazsebu

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=7%20%7Bx%7D%5E%7B3%7D%20%20%2B%204x%20-%205%20%2B%208%20%7Bx%7D%5E%7B5%7D%20" id="TexFormula1"
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Answer:

D

Step-by-step explanation:

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Thus the polynomial is of degree 5 → D

3 0
2 years ago
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