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Two cities are 45 miles apart. Two trains, with speeds of 70 mph and 60 mph, leave the two cities at the same time so that one is catching up to the other. How long after the trains leave will they be 10 miles apart for the first time? How long after the trains leave will they be 10 miles apart for the second time?
General
7 months ago
A restaurant manager recorded the number of people in different age groups who attended her food festival: Histogram with title Food Festival Participants, horizontal axis labeled Age Group (yr) with bins 0 to 19, 20 to 39, 40 to 59, and 60 to 79 and vertical axis labeled Number of People with values from 0 to 60 at intervals of 10. The first bin goes to 20, the second goes to 40, the third goes to 60, and the last goes to 50. Which of the following frequency tables represents the data in the histogram accurately? Age Group (year) Number of People 0–19 20 20–39 60 40–59 40 60–79 50 Age Group (year) Number of People 0–19 20 20–39 60 40–59 50 60–79 40 Age Group (year) Number of People 0–19 20 20–39 40 40–59 60 60–79 50 Age Group (year) Number of People 0–19 60 20–39 20 40–59 40 60–79 50
General
7 months ago
A gray crayon is made with 5\text{ mL}5 mL5, space, m, L of black wax for every 6\text{ mL}6 mL6, space, m, L of white wax.Which of the following wax mixtures will create the same shade of gray?Choose 2 answers:Choose 2 answers:(Choice A)A10\text{ mL}10 mL10, space, m, L of black wax mixed with 24\text { mL}24 mL24, space, m, L of white wax(Choice B)B15\text{ mL}15 mL15, space, m, L of black wax mixed with 18\text { mL}18 mL18, space, m, L of white wax(Choice C)C35\text{ mL}35 mL35, space, m, L of black wax mixed with 42\text { mL}42 mL42, space, m, L of white wax(Choice D)D20\text{ mL}20 mL20, space, m, L of black wax mixed with 26\text { mL}26 mL26, space, m, L of white wax(Choice E)E45\text{ mL}45 mL45, space, m, L of black wax mixed with 48\text { mL}48 mL48, space, m, L of white wax
General
7 months ago
Which system of equation can represent the equation?
General
7 months ago
Find the coordinate that divides the directed line segment from A(-2,-4) to B(8,1) in the ratio of 2 to 3
General
7 months ago
Let X be a discrete random variable with range {1, 3, 5} and whose probability function is f(x) = P(X = x). If it is known that P(X = 1) = 0.1 and P(X = 3) = 0.3. What is the value of P(X = 5)?
General
7 months ago
3(2+x)-2(2x+6)=20-4x
General
7 months ago
-8+3/5
General
7 months ago
A person who weighs 200 pounds on earth would weigh about 32 pounds on the moon. Find the weight of a person on earth who would weigh 15 pounds on the moon.
General
7 months ago
1/2x +3 <4x-7
General
7 months ago
Jose bought 3/4 of oil and his sister bought 6/8, which of the two bought more oil?
General
7 months ago
String x = 5 Int y=2 System.out.println(x+y)
General
7 months ago
the value of sin 178°58'
General
7 months ago
-11+29-18
General
7 months ago
Karina has a plot of 5000 square meters in which she has decided that 60% of it will be used to plant vegetables. Of this part, 12% will be dedicated to planting lettuce. How much surface area of the plot will be used to grow lettuce?
General
7 months ago
Karina has a plot of 5,000 square meters in which she has decided that 60% of it will be used to plant vegetables. Of this part, 12% will be dedicated to planting lettuce. How much surface area of the plot will be used for cultivation?
General
7 months ago
What is the amount of interest of 75,000 at 3.45% per year, at the end of 12 years and 6 months?
General
7 months ago
Revenue Maximization: A company sells products at a price of $50 per unit. The demand function is p = 100 - q, where p is the price and q is the quantity sold. How many units should they sell to maximize revenue?
General
7 months ago
What amount would be accumulated in one semester if $50,000 were deposited at the end of each two-month period in an investment account that pays 18% compounded monthly?
General
7 months ago
A coffee grower sells three coffee blends. One bag of the house mix contains 300 grams of Colombian grain and 200 grams of French roast grain. One bag of the special blend contains 200 grams of Colombian grain, 200 grams of Kenyan grain and 100 grams of French roasted grain. One bag of gourmet blend contains 100 grams of Colombian grain, 200 grams of Kenyan grain and 200 grams of French roasted grain. The merchant has on hand 30 kilograms of Colombian grain, 15 kilograms of Kenyan grain, and 25 kilograms of French roast grain if he wants to use all the grains. (How many bags of each type of mix can you make?
General
7 months ago
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