A radioactive isotope, selenium, used in the creation of medic has a half-life of 119.77 days. If 100 milligrams are given to a are left after 20 days?

Q: Married couple families make up 63% of households. We choose a random sample of 6 families. Using…

A: We have given that  Sample size n= 6  Success of probability p= 0.63 q= 0.37 X~binomial ( n, p )

Q: 8. Suppose that a recent poll of American households about pet ownership found that for households…

A: Given information: P(Owned dog) = 0.39 n = 120

Q: Page of 5 7. Suppose that a recent poll of American households about pet ownership found that for…

A: Solution

Q: 48. A=448 ft2 3x-4ft %3D x+2 ft

A:

Q: 2.x1 + x2 - 8x3 = 0, %3D 3x1 – 2x2 - 5x3 = 0, 41. 5x1 – 6x2 - 3x3 = 0, 3x1 – 5x2 + x3 = 0.

A:

Q: 16. If m/STU = (13x – 6)', mSƯ = (21x + 8)', and mUT = 143', find mST. %3D %3D U T

A:

Q: Find the following, given that P(AUB) = 0.75, P (AUB) = 0.04, and P(AB) = 0.65. 20. P(BA)

A:

Q: These box-and-whisker plots show that the Q1 for test 1 is lower than test 2.

A: It is known that The first or starting  end of the box in box-and-whisker plot represents the first…

Q: List the sides in order from the smallest to the largest. V 38° 66° 76°

A: As this is a multiple question according to the Bartleby Answering rule, only first question is to…

Q: Find the measure of the remote exterior angle. mZx = (4n – 18)* m/y = (n+ 8)" mLz - (133-6п)" %3D…

A:

Q: 7 33 Choose the correct value of x. 5.9 O 3.8 O10.8 O 4.5

A: In a right angle triangle,    sinθ=Opposite SideHypotenuse Here, it is given   θ=33°Opposite…

Q: 22 Of the 20 students in Kendra's class, 5 have black hair, 8 have blonde hair, 5 have brown hair,…

A: Kendra conducted the experiment 15 times. From the table, we see that 9 times we get a blonde class…

Q: Determine the value of k so that 3x - 1 is a factor of 3x³ + 8x² + kx-2. a) k = 3 b) k = 1 c) k=-1…

A:

Q: According to the Regional Bar Association, approximately 67% of the people who take the bar exam to…

A: a) It is given that 67% of the people who take the bar exam to practice law in the region pass the…

Q: Simplify the following expression involving complex numbers: (1-i)2-5i – (3+4i), Write the result in…

A: Let's find.

Q: 17 8. T- R 15 Choose ALL of the correct statements. 8 COS S = 17 15 tan T 8. 17 sin T SI

A:

Q: redictions based on the results of 8 Use Luke's class data to write and solve a proportion to…

A: Number of 1s rolls = 15 Total number of rolls: n=15+16+17+20+15+17=100

Q: 16 Ryan has a bag with marbles. He selects a marble without looking, records the color, and then…

A: Given that in 25 trials Ryan selects green marble 10 times.  So the probability of green marble is=…

Q: W The class repeats the experiment witha total of only 25 trials. Predict how many times the number…

A: Number of times 4 turns up = 20 Total number of rolls: n=15+16+17+20+15+17=100

Q: Letter d?

A: Consider the provided graph, According to the given question we have to solve the part (d). (d) What…

Q: Answer the questions 1. Imagine you do a study and find pretty good evidence in favor of a…

A:

Q: 1. Calculate the point estimate for the proportion of Kansas residents that planned to set off…

A: Solution: 5. From the given information, confidence level is 0.95, p=0.5403 and E=0.043.

Q: In Exercises 5-8, sketch the graph of the given parametric equations by hand, making a table of…

A:

Q: y" + 5y' = 0

A: Use the homogeneous differential equation method to solve the second order differential equation.

Q: Answer: Answer: 9. Let f(x) = 3x – 2 and g(x) =-x+ 4. Find (fo g)(5). Answer: 10. Let f(x) = 3x+ 4…

A: To find: a) (fog)(5) b) (fog)(x) and its domain

Q: In Exercises 1-4, apply the Jacobi method to the given system of linear equations, using the initial…

A:

Q: 12 4 Find the length of x. O 127.7 8. O 11.3 O 16

A: Given, The sides of right angle triangle are  x, 4 and side opposite to 90° angle is 12 We have to…

Q: Number 6 only

A: Event:  The collection of outcomes in an experiment is called as an event. Independent Events: Any…

Q: In Exercises 47-52, use Eq. (12) to find N at the point indicatee 47. (12,1), 1 = 1 %3D 48. (t- sin…

A: The solution are next step

Q: Determine whether the following vector field is conservative on R If so, determine a potential…

A: