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leonid [27]
3 years ago
13

Given the following sets. a = {0, 1, 2, 3} b = {a, b, c, d} c = {0, a, 2, b} find a c.

Mathematics
1 answer:
ipn [44]3 years ago
7 0
I think the answer is 0.
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Find the missing value. Show your work. please
Sophie [7]
#1
sin(51^o)= \frac{y}{12} \ \ \to \ \ y=12*sin(51^o)=12* 0.7771 \approx 9.33

#2
\theta=arccos( \frac{5^2+13^2-12^2}{2*5*13}) = arccos( \frac{25+169-144}{130})=arccos( \frac{50 }{130})= \\ \\ arccos(0.3846) \approx67.4^o

#3
tan(13^o)= \frac{x}{24} \ \ \to \ \ x=24*tan(13^o)=24* 0.2309 \approx 5.54

#4
sin(20^o)= \frac{10}{x} \ \ \to \ \ x= \frac{10}{sin(20^o)} = \frac{10}{0.342}  \approx 29.24
5 0
3 years ago
Between which pair of consecutive integers does square root 21 lie? 10 and 11 5 and 6 20 and 22 4 and 5
Zolol [24]
square root of 11. 3 & 4 2. square root of 33. 5 & 6 3. square root of 8. 2 & 3 4. cube root of 220. 6 & 7 5. cube root of -80. 4 & 5 6. fourth root of 20. 2 & 3 7. square root of 300. 17 & 18 8. fifth root of -35. 2 & 3 9. square root of 150. 12 & 13 10. cube root of -312. 6 & 7
8 0
3 years ago
Help
Crank
Area of triangle is base x height over 2
20 x 7 = 140
140/2 = 70
area of each triangle is 70m2
add the areas together to get the total area
70 + 70 = 140
total area is 140m2
8 0
2 years ago
Read 2 more answers
Two segments that have the same length must be congruent?
ra1l [238]
The answer is letter A. 

Congruence between to segments requires that they have the same length, regardless of their angle or positioning.

<span>Thank you for posting your question. I hope you found what you were after. Please feel free to ask me more.</span>

5 0
3 years ago
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Express 7 minutes, 30 seconds as a percentage of 1 hour​
Lera25 [3.4K]

Answer:

did u mean 7 minutes & 30 seconds or

do you need seperate percentage for each ???

8 0
3 years ago
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