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MATH SOLVE
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each year a scientist measures the water level of a local lake. Negative numbers indicate that the water level is below its historical average. which list shows water levels in order highest to lowest. :A 0.38 0.7 0.09 -0.41 -0.6B 0.7 0.38 0.09 -0.6 -0.41C 0.38 0.09 0.7 -0.6 -0.41D 0.7 0.38 0.09 -0.41 -0.6
General
4 months ago
The height of a building (135) is proportional to the number of floors The figure shows the height of a building with 9 floors. Write the ratio of height of the building to the number of floors. Then find the unit rate, and explain what it means in this situation. How tall would the building be if it had 15 floors?
General
4 months ago
Solve the system of equations using substitutiony = −2x + 1 4x + 2y = −1 (0, −3) (−3, 0)No solutionInfinitely many solutionsWill mark Brainlist!
General
4 months ago
Match the slope and y-intercept with the correct linear equation.m = 3, b = 5m = 23, b = -25m = -2, b = 3 1. y=3x + 52. y = −2x + 33. y=23x − 25
General
4 months ago
Q. You are carpeting a boardroom which measures 16 feet by 14.5 feet with a carpet that costs $18.50 per square foot of finished space. How much will the carpet flooring cost?A. $232B. $4,144C. $4,292D. $4,322
General
4 months ago
You work for a packaging company. The total weight of a container and its contents is 48 pounds. The contents of the container account for of the total weight.Which fraction represents the ratio of the weight of the container to the weight of the contents?
General
4 months ago
198 sq.yd. 8 sq. ft. x 7 =
General
4 months ago
Identify the domain of the equation y = x2 − 6x + 1.
General
4 months ago
1. Which set of numberscould represent the legth ofthe sides of a right triangle?(1) {5, 5, 10} abutis(2) {4, 5, 6} Tolosia alga(3) {5, 12, 13} cluoibog(4) {7, 8, 10}
General
4 months ago
please help.... I wanna past math with a B ;)
General
4 months ago
A recent study reported that the prevalence of hyperlipidemia (defined as total cholesterol over 200) is 30% in children 2-6 year of age. If 12 children are analyzed:a.What is the probability that at least 3 are hyperlipidemic?
General
4 months ago
Rewrite the equation −5x2+3x+5y2+5y−3z2+4z+12=0 −5x2+3x+5y2+5y−3z2+4z+12=0 in cylindrical and spherical coordinates. NOTE: write any greek letters using similar standard characters - i.e., for θθ use t, for rhorho use r, for ϕϕ use f, etc.
General
4 months ago
A rectangular area adjacent to a river is fenced in; no fence is needed on the river side. The enclosed area is 1500 square feet. Fencing for the side parallel to the river is $ 10 per foot, and fencing for the other two sides is $ 3 per foot. The four corner posts are $ 20 each. Let x be the length of one of the sides perpendicular to the river.a) Write a function C(x) that describes the cost of the project.b) What is the domain of C?
General
4 months ago
Mars Inc. claims that they produce M&Ms with the following distributions:Brown 30% Red 20% Yellow 20%Orange 10% Green 10% Blue 10%How many M&Ms must be sampled to construct the 97% confidence interval for the proportion of red M&Ms in that bag if we want a margin of error of ± .15?a) 33b) 36c) 34d) 26e) 25f) None of the above
General
4 months ago
A production process fills containers by weight. Weights of containers are approximately normally distributed. Historically, the standard deviation of weights is 5.5 ounces. (This standard deviation is therefore known.) A quality control expert selects n containers at random. How large a sample would be required in order for the 99% confidence interval for to have a length of 2 ounces? a. n 15 b. n 16 c. n 201 d. n 226
General
4 months ago
A prisoner is trapped in a cell containing 3 doors. The first door leads to a tunnel that returns him to his cell after 2 days’ travel. The second leads to a tunnel that returns him to his cell after 4 days’ travel. The third door leads to freedom after 1 day of travel. If it is assumed that the prisoner will always select doors 1, 2, and 3 with respective probabilities .5, .3, and .2, what is the expected number of days until the prisoner reaches freedom? 1. Repeat problem, assuming the prisoner remembers previously chosen doors, and does not re-choose them. Assume the probabilities for the other doors are proportionally larger. 2. Repeat problem but now suppose there is another cell, and that door 1 takes him to the other cell after 2 days of travel. For the other cell, there are two doors, one of which leads to freedom after 3 days of travel, and the other leads back to the prisoner’s original cell after 3 days of travel; each door is equally likely.
General
4 months ago
2.c is anyone good with exponential and logarithmic?
General
4 months ago
A phone store employee earns a salary of $450 per week plus 10% comission on her weekly sales. A) What function rule models the employee's weekly earnings? B)If the employee earned $570 in a week, what was the amount of her sales for that week?
General
4 months ago
Amaya has a store credit of 50.86 she plans to purchase a video game for $24.97 and a golf club accessory for $6.99 how much store credit will she have left
General
4 months ago
A student comes to lecture at a time that is uniformly distributed between 5:09 and 5:14. Independently of the student, the professor begins the lecture at a time that is uniformly distributed between 5:10 and 5:12. What is the chance that the lecture has already begun when the student arrives?
General
4 months ago
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