1 A $300 cell phone is marked up by 15%. Then it is marked down by 15%. What is the final pric A. 5345 O B. 5300 C. 5293.25 D. 5216.75

Q: If RS = RU and ST = 89, what is TU? T R U

A: Using side-angle-side rule, triangles are similar.

Q: 9. 87 12 5 -

A:

Q: Find RS. 41 47 A. 30.8 B. 53.0 ©2021

A: Our Objective is to find RS.

Q: Bomorpain 7. Prove that Risisomorphic to the ring Sof all 2 x 2 matrices of the form where a ER.

A: Let R and R' are rings. A mapping ϕ:R→R' is an isomorphism when  i)ϕa+b=ϕ(a)+ϕ(b) ii)ϕ(ab)=ϕ(a)ϕ(b)…

Q: O A. 0.056 O B. 0.112 O C. 0.074 O D. 0.944

A: Given  p = 26/349  = 0.07 The test statistic is given by p-value =0.056

Q: There are 80 sixth graders at Wilson Middle School. Only 70% of the sixth graders will attend the…

A: From the provided information, Sample size (n) = 80 Sample proportion (p̂) = 0.70

Q: Toasted Oats Kansas Oats n, = 50 I, = 30.2 0, = 3.3 ½ = 80 n̟ = 80 I, = 42.7 0; = 5.7

A: Given taht,

Q: What is mRS? R 77 S. Q 28°

A:

Q: Indicate the least upper bound of the following sets. If a set does not have a least upper bound,…

A: We have to find the least upper bound of the given set.

Q: You want to upgrade the tires on your truck. The manufacturer tires are P225/70R17. You want to…

A: Given: Old tires: P225/70R17 and New tires: P245/75R17

Q: K A passbook savings account has a rate of 5%. Find the effective annual yield if the interest is…

A:

Q: O5.0 0.6.28 02.58 O 5.27

A: The tests based on large samples are called large sample tests. Here the test is based on the normal…

Q: Write each decimal as a fraction in simplest terms. A. 0.75 B. 0.3 C. 0.03 D. 2.7

A: according to our guidelines we can answer only three subparts, or first question and rest can be…

Q: Based on the density graph below, what is the probability of a value in the sample space being…

A: The sample space, 60 to 80 forms a triangle.

Q: Burgers R Us offers the following menu: HINT...Create a tree diagram for this situation. Cheeses…

A: There are total of N=9 items. The probability is computed as: Probability=Number of favorable…

Q: 25. As an accountant for the advertising agency of Phillips & Phillips, Marcia Strasser writes many…

A: 25 a $ 27.83=twenty seven  and 83100 dollar        b $121.77=one hundred twenty one and 71100…

Q: Magnolia works at Kroger for $9.40 per hour and worked 222hours last week. What was her weekly…

A: Given Magnolia works at Kroger for $9.40 per hour and worked  2234 hours.

Q: The principal P is borrowed at a simple interest rate r for a period of time t. Find the loan's…

A: I have given the answer in the next step. Hope you understand that

Q: The bar graph shows population figures for 1900 and 2000 and estimated population figures for 2050.…

A: By the graph we can easily see that by  divide each 20 million population by 4 equal parts.

Q: Divide 42 by 11 and report the answer to the correct number of significant digits. A.3.8182 B.3.82…

A: Given   42 divide by 11 Then we have to check correct number of significant digits.

Q: Burgers R Us offers the following menu: HINT...Create a tree diagram for this situation. Cheeses…

A: There are N=9 items. The probability is computed as: Probability=Number of favorable outcomesTotal…

Q: -9 81 -2 9 8 7 6 Which best represents the equation of the graphed conic section?

A:

Q: 4.3 10 4.4 B. 350 75 1050

A:

Q: 2. In the figure above, m || n and y 5x. What is the value of y ?

A:

Q: According to this simulation, what is the probability that at least one of the next five birds he…

A: Here use probability formula  Probability = (# Favorable outcome)/(#total          outcomes)

Q: The tickets in the lottery sell for $1.00 each. How much money does the state expect to make it…

A: The tickets sell for $1.00 each. The total ticket sold is 1000000.

Q: 10. What is the probability that Frankie can get the Bonus Shield that he needs?

A: Here We will use Tree diagram as shown into second step

Q: Please answer 4.1.15 A and 4.1.15B

A:

Q: Find dy/dx by implicit differentiation. 3 cos (9r) sin (2y) = 8 dy/dx =

A:

Q: Based on the density graph below, what is the probability of a value in the sample space being…

A:

Q: 1. Find m 1. 89.2 48.5

A: Consider the given figure

Q: Jack is a randomly selected member of a large group in which 2% are drug users. Jack tests positive…

A: Let us define some events A : Jack uses drug. B : Jack does not use drug. E : Jack tests positive.…

Q: Questions 1-2. Consider the data from the Anthropology 105 class. The mean is 64.33 in and the…

A: Let the random variable X denotes the height of professional women volleyball players. It is given…

Q: A manufacturer is interested in the output voltage of a power supply used in a PC. Output voltage is…

A: Given Information: Standard deviation σ=0.14 H0:μ=5 H1:μ≠5 Sample size n=7

Q: Which is the correct option? a.  0.9949 b. 0.9696  c. 0.9996  d. 0.0801

A: From the original solution,we have P( no more than 8 red bushes ) = 0.9949

Q: 12.5 4.

A:

Q: (d) What is the probability that the number of drivers will be within 2 standard deviations of the…

A: Suppose that the number of drivers who travel between a particular origin and destination during a…