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Softa [21]
3 years ago
10

How do you 20 out of 40 in a percentage

Mathematics
1 answer:
Archy [21]3 years ago
4 0
\dfrac{20}{40}\cdot100\%=\dfrac{1}{2}\cdot100\%=50\%
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4a + 3b + 20 if a = 2 and b = 3<br> O 37<br> O 95<br> O 24<br> 0 32
Lyrx [107]
It’s 37 4(2)+3(3)+20, 8+9+20,
17+20=37
6 0
3 years ago
What is the reciprocal of 2 3/8<br><br><br> (just tell me the answer)
Sedaia [141]

Answer:

8/19

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP ASAP!!!!!
Wittaler [7]

Answer:

sec(x)

Step-by-step explanation:

cos(x)+cos(x)tan^2(x)

Multiply cos(x) by 1:

cos(x)*1+cos(x)tan^2(x)

Factor out cos(x):

cos(x)(tan^2(x)+1)

Apply the pythagorean identity (tan^2(x)+1=sec^2(x)):

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cos(x)(\frac{1}{cos(x)})^2 \\cos(x)\frac{1}{cos^2(x)}

Cancel cos(x):

\frac{1}{cos(x)}

Rewrite:

sec(x)

5 0
4 years ago
In a sale there is 30% off a pair of jeans. The sale price is £56. What was the price before the sale ?
myrzilka [38]
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The price of the pair jeans before the sale was $72.80
6 0
3 years ago
Twelve students ask to visit a college admissions counselor. The counselor can meet with one student at a time. In how many ways
PilotLPTM [1.2K]
<span>12*11*10*9*8*7*6 = 3,991,680 </span>
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