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Jessica has 48 coins, some of them are nickels and some are dimes. How many of each does she have if she has $3.25 total?
General
2 months ago
For a sample of 100 students, the median number of text messages sent per day is 90, the first quartile is 78, and the third quartile is 102. Select all of the answers that create a true statement. Approximately 25 students in the sample send more than 90 text messages. less than 90 text messages. more than 78 text messages. more than 102 text messages. between 90 and 102 text messages. less than 78 text messages. between 78 and 102 text messages.
General
2 months ago
Consider a binomial experiment with n = 20 and p = .70. if you calculate the binomial probabilities manually, make sure to carry at least 4 decimal digits in your calculations. compute f(12) (to 4 decimals). 0.1143 compute f(16) (to 4 decimals). 0.1304 compute p(x 16) (to 4 decimals). 0.2375 compute p(x 15) (to 4 decimals). 0.7624 compute e(x). 14
General
2 months ago
what is the following difference 11 sqrt 45 - 4 sqrt 5
General
2 months ago
Be awesome! Is a new cross fit gym in town. The gym is almost set to its grand opening. The contractors are doing flooring. Gymnasium flooring cost $4.50 per square foot. The gym has 2 main rooms, one in a shape of a regular hexagon and the other in a shape of a regular nonagon. Both rooms have side lengths of 50 feet. Which of the following represents the closest estimate for the total of gymnasium flooring material? A: 29229 B: 40000C: 69545 D: 98774
General
2 months ago
Triangle ABC is similar to triangle PQR, as shown below: Two similar triangles ABC and PQR are shown. Triangle ABC has sides AB = c, BC = a, and AC = b. Triangle PQR has sides PQ = r, QR = p, and PR = q. Angle CAB is congruent to angle RPQ. Angle ABC is congruent to angle RQP. Angle ACB is congruent to angle QRP. Which ratio is equal to r:c? c:p p:a r:a q:c
General
2 months ago
What is 0.955 rounded to the nearest tenth of an inch
General
2 months ago
Find all pairs of natural numbers which can be the solution to the equation: x+y=11
General
2 months ago
please help me! I need to find what the measure of angle VTS is
General
2 months ago
Yesterday, Carmen went on a bike ride. Her average speed was 8 miles per hour. Today, she went on another ride, this time averaging 13 miles per hour. In the two days, she biked for a combined total time of 9 hours.Let x be the number of hours she biked yesterday. Write an expression for the combined total number of miles she biked in the two days.
General
2 months ago
A ramp is 10 feet in length. The ramp is lifted 4 feet off the ground to the truck door. What is the distance across the ground from the bottom of the ramp to the ground underneath the truck door? Approximate to the nearest hundredth. ≈ 3.46 feet ≈ 5.29 feet ≈ 9.17 feet ≈ 10.77 feet
General
2 months ago
What is the slope of the line whose equation is y−4=5/2(x−2)?
General
2 months ago
A kite is 85 feet high with 100 feet of string let out. What is the angle of elevation of the string with the ground? Please show all work.
General
2 months ago
music band came to town. The amphitheater filled all 50,000 seats at two-level pricing. Level 1 tickets are $150 each, and level 2 tickets are $250 each. The amphitheater made $125,000 in ticket sales. The system of equations that models this scenario is: x + y = 50,000 150x + 250y = 125,000 What do the x and y represent in the system?
General
2 months ago
There are 15 red, 10 green and 9 white balls in the dark room. Jack wants to take a minimal number of balls such that at least 8 of them have the same color. How many balls does he take?Please add an explanation and show work!!
General
2 months ago
In a certain country, the true probability of a baby being a boy is 0.522. Among the next five randomly selected births in the country, what is the probability that at least one of them is a girl?
General
2 months ago
Q: Which best describes the demand for consumer goods in the 1920's.Select one:a. people were less likely to buy new goods.b. the demand for consumer goods declined during the 1920's.0 C. all of these are correctd. people began buying more than they had the cash to pay for becauscould access loans and buy things on credit.NE
General
2 months ago
If 8(x) is the inverse of f(x) and f(x) = 4x + 12, what is g(x)?
General
2 months ago
A 50-foot ladder leans against a wall 15 feet from the base of the wall. What is the measure of the angle formed by the ladder and the wall? Please show all work.
General
2 months ago
A student guesses on every question of a multiple-choice test that has 6 questions, each with 3 possible answers. What is the probability that the student will get at least 4 of the questions right?
General
2 months ago
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