2cos theta= -2root3 sin(-theta)
1 answer:
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Answer:
Q6. D
Q8. A
Step-by-step explanation:
Q6. In 40 trials, he flipped '2 heads and 1 tail' 16 times.
For 2 heads, probability= 16/40= 4/10
For 120 trials, number of times= 4/10 × 120= 48
Q8.
Answer is A because the inequality shows that x is equal or greater than 8 so the dot at 8 has to be coloured.
Note that we do not change the inequality sign unless we are dividing the whole thing by -1.
Hey,
To find the value of "y", use the inverse operation of multiplication, which is division. Divide both signs of the equal sign by 16 to isolate the variable, and get it by itself.
y = 10.25
Cheers,
Izzy
To find the value of "y", use the inverse operation of multiplication, which is division. Divide both signs of the equal sign by 16 to isolate the variable, and get it by itself.
y = 10.25
Cheers,
Izzy
Answer:
Each friend will receive 7 candies.
Step-by-step explanation:
Given that:
Number of candies in one bag = 20 pieces
Number of candies in other bag = 15 pieces
Total number of candies = 20 + 15 = 35 pieces
Number of friends = 5
Let,
c be the number of candies each friend will receive.
5c = 35
Dividing both sides by 5
c = 7
Hence,
Each friend will receive 7 candies.