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solve the equationA salesperson has to drive 500 miles. For the first three hours she drove at 65 mi/h. For the next two hours she drove at 55 miles per hour. How many more miles does she have to drive?
General
7 months ago
Suppose two drugs are routinely used for treatment of a particular kidney disorder. Drug 1 is known to cure the disease 85% of the time and costs $90. Drug 2 is known to cure the disease 70% of the time and costs $65. The two drugs work independent of each other (that is, administration of one has no effect on the efficacy of the other). The two treatment plans are as follows:Plan A: Treatment with Drug 1—if not effective, treatment with Drug 2.Plan B: Treatment with Drug 2—if not effective, treatment with Drug 1.Which statement is most correct in this situation?\Based on the overall probability of a cure, plan A should be selected over plan B.Based on the overall probability of a cure, plan B should be selected over plan A.Based on the overall cost of treatment, plan A should be selected over plan B.Based on the overall cost of treatment, plan B should be selected over plan A.Based on the probability of a cure and the cost of treatment, both plans are equivalent, so either can be selected.
General
7 months ago
Describe the steps you would use to factor 2x3 + 5x2 – 8x – 20 completely. Then state the factored form.
General
7 months ago
Which equation represents a circle with a center at (2, –8) and a radius of 11?
General
7 months ago
Eloise scored a total of 268 points during the basketball season. Of her total points, L points came from left-handed shots. She scored 225 points with right-handed shots. Write an equation and solve
General
7 months ago
x=a) 27b) 54c) 61
General
7 months ago
Need help with this question.Find the values of x,y, and z. The diagram is not to scale.
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7 months ago
Find the area of the composite figure. (round to the nearest hundredth) A) 35.26 cm2 B) 41.70 cm2 C) 41.86 cm2 D) 48.46 cm2
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7 months ago
m∠3=a) 44b) 88c) 136
General
7 months ago
PLS HELP ME ASAP About 75% of the girls in grade 7 at Grande Rock Middle School prefer colored jeans to the regular blue ones. The randomly generated numbers in the table simulate this situation. The letter C represents colored jeans, and B represents blue jeans.CCCBC BBCCC CCBBC CCBBCCCCCC CCCCC BCCCC CBCCCCCCCB CCCCC BBCCC CCCBBCCCCC CBCCC BCCBC CCCBBBCCCC CCCCB CCCBC CCBCCBased on the data, the estimated probability that exactly four out of five girls prefer colored jeans is
General
7 months ago
the vertices of a pre-image are located at points (-3,3), (0,0), and (-2,-1). If the image triangle has vertices with coordinates (-9,9), (0,0), and (-6,-3), what type of dilation is it?expansioncontractionreflectionrotation
General
7 months ago
A cone with a radius of 4 feet. Its approximate volume is 165 cubic feet. What is the height of the cone in feet? Round your answer to the nearest hundredth. πr^2H/3=√
General
7 months ago
How are the areas of polygons used to find the surface area formulas for three dimensional figures?
General
7 months ago
A game has a deck of cards with 10 red cards, 4 blue cards, and 2 yellow cards. You randomly choose two cards. Find the probability of choosing two red cards and a blue card + yellow card
General
7 months ago
The school will not announce a snow day unless there is at least 10 inches of snow on the ground. If it has already snowed 1.5 inches, how many more must it snow before school is cancelled? its an algebraic inequality so what is the problem for it
General
7 months ago
A (-1,5) B (0,6) D (0,2) Kite ABCD has the vertices shown. Find the coordinates of point C. A) (2, 5) B) (1, 5) C) (1, 4) D) (1, 6)
General
7 months ago
PLS HELP ME ASAP Yuri surveyed randomly selected middle school students in his neighborhood. He found that around 60% of them plan to participate in a charity walk organized by the town council. What is the estimated probability that it will take at least six middle school students to find one who doesn't plan to participate in the charity walk?Use the table of simulated values to answer the question. The numbers 0 to 5 represent middle school students planning to participate in the charity walk, and 6 to 9 represent those who are not planning to participate.71078 88530 30057 38546 5664293077 92544 54028 48398 4008144414 70273 89398 52476 7617193472 45432 26626 38532 7596295427 15711 88441 10204 5051651306 83316 20695 31542 6256970849 58001 66224 81879 4487796787 28608 10468 18317 2242660702 36430 18257 55518 3897756725 84351 78605 61936 31105A.0.02B.0.10C.0.30D.0.60
General
7 months ago
12 is 150% of what number
General
7 months ago
In △PQR, find the measure of ∡P. Triangle PQR where angle Q is a right angle. QR measures 33 point 8. PR measures 57 point 6. Measure of angle P is unknown.
General
7 months ago
A slice is made parallel to the base of a right rectangular pyramid, as shown. What is the area of the resulting two-dimensional cross-section? Enter your answer in the box. cm² Rectangular pyramid intersected horizontally by a rectangle. The front edge of the base of the pyramid is labeled 2 centimeters, and the right edge is labeled 4 centimeters. The height of the pyramid is labeled 8 centimeters. The part of the larger rectangle that intersects the pyramid is a smaller gray rectangle. The front side of the smaller rectangle is labeled 1 centimeter, and the right side is labeled 2 centimeters.
General
7 months ago
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