A child mixes 10 good and three dead batteries. To find the dead batteries, his father tests them one by one and without replacement. What is the probability that the fifth battery is dead? If the first four batteries tested are all good, what is the probability that the fifth one is dead?

Q: y 35 1 N 34

A:

Q: 12 5 10

A:

Q: One bag contains 6 green and 2 white marbles. A second bag contains 7 blue and 4 silver marbles. One…

A: From given  one There is 6 green and 2 white second bag contains 7 blue and 4 silver marbles.

Q: 24. Find d²4 zP 2. xp 4=3x² +34-8

A: Differentiate two times

Q: Conv or dive?

A:

Q: m15 dm + m-2 m - 4 up-

A: The given integral is ∫m+5m-2 dm +∫m2m-4 dm. Evaluate as follows.

Q: 14. The vectors a and b are such that |a| = 3, |b| = 5 and a. b = -14, then |a – b| = %3D A 62 B V62

A: Solution: Given vectors a and b such that a=3,  b=5 and a·b=-14

Q: There is a pie. One half of the pie is already eaten. Another eighth of the pie is eaten. How much…

A: Least common factor(LCM): - In arithmetic, the smallest amount of the whole number is usually…

Q: p2 sec? r³ dr

A:

Q: A department store manager wants to display 6 brands of a product along one shelf of an aisle. In…

A: According to the provided information, A department store manager wants to display 6 brands of a…

Q: 2x Ax) = %3D 2 - 1

A:

Q: 4. Evaluate: 18P3 5. Evaluate 12P4

A: We have to find following permutations,  18P3 = ?  12P4 = ?

Q: 1 Evaluate. 5P3 • 6C4 900 300 150

A: Use the formula and evaluate.

Q: 3) If segment PT 800 feet, find the length of segment PA and segment TA.

A:

Q: Which method (substitution or elimination) did they use?

A:

Q: (2x3³

A: NOTE: Refresh your page if you can't see any equations. . apply exponent rule

Q: (x+si

A:

Q: and

A:

Q: 4(P-9) = 92

A: Answer

Q: 6+12=

A: Given,          6+12

Q: 10,308+982

A:

Q: 6+197

A: Given,          6+197

Q: 11 4.

A:

Q: 2. S(Vw +2)Vwdx

A: Topic:- integration

Q: C 15x8 226

A: Step 1: In the given figure, AB is a chord and CD is the tangent to the circle Measure of arc…

Q: D A P32 B C

A:

Q: 4 8 22

A: Given Triangle

Q: с 4 B 12 A

A:

Q: buttons

A:

Q: 8sin 75 = 4

A:

Q: I caught 25 ducks and tagged them and let them go in a refuge. one month later i catch 70 ducks. I…

A: The number of ducks caught first time is 25.The number of ducks caught second time is 70. But 6 of…

Q: m21, m22, m3 2 56 43 3.

A: Given diagram is,

Q: why did we put 14?

A: For a function: y=f(x), the dependent variable is y and the independent variable is x. The value of…

Q: 2 cups of lime juice with 5 cups of water  3 cups of lime juice with 7 cups of water what has a…

A:

Q: A rare genetic disease is known to be carried by DD people among 10000 people in the society. a) In…

A: It was stated that a rare genetic disease is known to be carried by DD people among 10000 people in…

Q: ds V9-s 9-52 + C 95 9s + C A. C. B. D. + C 95 69/

A: Given: I=∫dss29-s2   ...1   We know that, the trigonometric identities. 1). 1sinx=cscx 2).…

Q: 5. score

A: