Helen bought notebooks and pencils for school. The number of pencils she bought is given by 6(n-3) , where n is the number of no
1 answer:
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You could make a tree diagram
H T ← 1st toss
H T H T ← 2nd toss
H T H T H T H T ← 3rd toss
etc ,,, then count the combination of favorable outcomes
Using a calculator:
Total number of outcomes is
= 128
Probability of getting exactly 3 heads is found using the follow calculator feature: binompdf(7, 0.5, 3)
ANSWER: Typed into the calculator as follows binompdf(7,0.5,3)×128 = 35
H T ← 1st toss
H T H T ← 2nd toss
H T H T H T H T ← 3rd toss
etc ,,, then count the combination of favorable outcomes
Using a calculator:
Total number of outcomes is
Probability of getting exactly 3 heads is found using the follow calculator feature: binompdf(7, 0.5, 3)
ANSWER: Typed into the calculator as follows binompdf(7,0.5,3)×128 = 35
ANSWER
9.7 units
EXPLANATION
According to the Pythagoras Theorem, the square of the hypotenuse is equal to the sum of the squares of the two shorter legs
This implies that,
Group similar terms,
to the nearest tenth.