Avi measures a leaf and finds it is 10.5 centimeters long. How many millimeters long is the leaf. 1cm=10mm
2 answers:
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Since the problem states "at least" we need to also find probability of 3 H or 4 H or 5 H
Now find the probability of flipping a head 4 times;
⁴
= (1/16)
Now probability of flipping a head 3 times: (4C3)(1/2)⁴ = 4/16
Probability of flipping a head 2 times; (4C2)(1/2)⁴=6/16
(1/16)+(4/16)+(6/16)=11/16
Probability of flipping a fair coin 4 times with at least 2 heads is 11/16.
Hope I helped :)
Now find the probability of flipping a head 4 times;
= (1/16)
Now probability of flipping a head 3 times: (4C3)(1/2)⁴ = 4/16
Probability of flipping a head 2 times; (4C2)(1/2)⁴=6/16
(1/16)+(4/16)+(6/16)=11/16
Probability of flipping a fair coin 4 times with at least 2 heads is 11/16.
Hope I helped :)
First, subtract '11' from each side.
Second, subtract '29 - 11' to get '18'.
Third, since we are solving for f, we have to get it by itself. Multiply each side by 'f'.
Fourth, once again, we need to get 'f' alone. Divide both sides by 18.
Fifth, now that we have 'f' by itself, we can simplify the current fraction. To do so, we need to start off with listing the factors of 4 and 18 and find the greatest common factor (GCF).
Factors of 4: 1, 2, 4
Factors of 18: 1, 2, 3, 6, 9, 18
Out of the listed factors, 1 and 2 are the common factors, and since 2 is the highest number out of them, it is considered the greatest common factor. The GCF is 2.
Sixth, divide the numerator and denominator by the GCF (2).
Seventh, we can now rewrite our fraction in simplest form and switch sides.
Answer in fraction form:
Answer in decimal form:
<span>The total surface area is SA = 6 </span>× 
;
SA = 6 ×
= 6 × 81 = 486 
;
SA = 6 ×