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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
4 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
4 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
4 months ago
Which system of equation can represent the equation?
General
4 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
4 months ago
Find the product of 2x4(2x2 + 3x + 4)
General
4 months ago
In ΔАВС, m∠ACB = 90°, CD ⊥ AB m∠ACD = 30°, and AC = 6 cm. Find BD
General
4 months ago
Given: ABCD is a trapezoid, AC ⊥ CD AB = CD, AC=the square root of 75 , AB = 5 Find: AABCD
General
4 months ago
please help... The radius of the planet is 4100 miles. Find the distance d to the horizon that a person can see on a clear day from a height of 1298 feet above the planet. (hint: use the conversion 1 mile = 5280 ft) Round your answer to the nearest 10th, and don't forget to convert feet to miles.
General
4 months ago
A satellite is to be put into an elliptical orbit around a moon. A vertical ellipse is shown surrounding a spherical object labeled moon The moon is a sphere with radius of 959 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 357 km to 710 km.
General
4 months ago
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