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All Questions
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229306 Questions
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765
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help
Two cars start from towns 700 mi apart and travel toward each other. They meet after 7 hr. Find the speed of each car if one travels 10 mph faster than the other.
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Guest
Feb 14, 2020
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1641
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+308
(Help)
Two sides of a square are divided into fourths and another side of the square is trisected, as shown. A triangle is formed by connecting three of these points, as shown. What is the ratio of the area of the shaded triangle to the area of the square? Express
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CalculatorUser
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notsmart2.0
Feb 14, 2020
Feb 13, 2020
0
798
5
help with hard problems!
1. In a triangle, the measure of the first angle is three times the measure of the second angle. The measure of the third angle is 80° more than the measure of the second angle. Use the fact that the sum of the measures of the three angles of a triangle
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Guest
Feb 13, 2020
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579
1
help needed
A local boys club sold 176 bags of mulch and made a total of $336. It sold two types of mulch: hardwood for $2.25 a bag and pine bark for $1.75 a bag. How many bags of each kind of mulch did it sell?
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Guest
Feb 13, 2020
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801
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+208
my narrative essay
what would be a good introduction and a topic sentence plus also a good conclusion to this essay my friend needs help?
I and my dad named Chad Parker and as we started preparing for our hunting trip by going to get our hunting licenses and
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off-topic
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monkeyree1124
Feb 13, 2020
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1195
1
Help, please!
Chords $\overline{AB}$ and $\overline{CD}$ of a circle meet at $Q$ inside the circle. If $CD = 38$, $AQ = 6$, and $BQ = 12$, then what is the minimum length of $CQ$?
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Guest
Feb 13, 2020
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574
1
help
An object is traveling around a circle with a radius of 9 feet. If in 50 seconds a central angle 1/2 radian is swept out, what are the linear and angular speeds of the object
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Guest
Feb 13, 2020
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434
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help
For each description of a graph, identify the sine function with those parameters. Amplitude: 8 Period: Midline: y = 4 Amplitude: 4 Period: Midline: y = 8 Amplitude: 2 Period: Midline: y = 1 Amplitude: 1 Period: Midline: y = 2
Guest
Feb 13, 2020
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465
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ratio
the ratio of the lengths of stings that play thenotes f and g is 9 to 9. If a string 40 centimeters long plays a g, what is the lenght of the string that plays an F?
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Guest
Feb 13, 2020
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360
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math
the ratio of the lengths of stings that play thenotes f and g is 9 to 9. If a string 40 centimeters long plays a g, what is the lenght of the string that plays an F?
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Guest
Feb 13, 2020
0
718
7
help
A deck of cards has 5 pink, 2 gray, and 6 black cards. You pick 2 cards from the deck without replacement. What is the probability that the first card is gray and the second card is pink?
AnimalMaster
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Guest
Feb 13, 2020
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961
2
There are 175 baskets of fruit in the supermarket. 13 baskets of them are bananas. What percent of the baskets are not bananas?
There are 175 baskets of fruit in the supermarket. 13 baskets of them are bananas. What percent of the baskets are not bananas?
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Guest
Feb 13, 2020
0
591
2
help
Peanuts sell for $3.00 per pound. Cashews sell for $6.00 per pound. How many pounds of cashews should be mixed with 12 pounds of peanuts to obtain a mixture that sells for $4.20 per pound?
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Guest
Feb 13, 2020
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475
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Let P(E) = 0.5, P(F) = 0.35, and P(F ∩ E) = 0.25. Draw a Venn diagram and find the conditional probabilities.
Let P(E) = 0.5, P(F) = 0.35, and P(F ∩ E) = 0.25. Draw a Venn diagram and find the conditional probabilities.
1) P(E | Fc )
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Guest
Feb 13, 2020
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406
0
help
Two points are selected randomly on a line of length L so as to be on opposite sides of the midpoint of the line. [In other words, the two points X and Y are independent random variables such that X is uniformly distributed over (0, L/2) and Y is uniformly
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Guest
Feb 13, 2020
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1027
2
geometry proof
I'm unsure how to solve this, please help:
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Guest
Feb 13, 2020
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560
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help
A traffic light at a certain intersection is green 55% of the time, yellow 10% of the time, and red 35% of the time. A car approaches this intersection once each day. Let Y denote the number of days up to and including the third day on which a red light
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Guest
Feb 13, 2020
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630
2
help
The length of a rectangle is 12 centimeters less than its width. What are the dimensions of the rectangle if it’s area is 85 square centimeters?
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Guest
Feb 13, 2020
+1
2078
2
+27
In a certain clothing store, 6 shirts and 3 ties cost $79.50, and 3 shirts and 2 ties cost $41. Determine the cost of each tie.
In a certain clothing store, 6 shirts and 3 ties cost $79.50, and 3 shirts and 2 ties cost $41. Determine the cost of each tie.
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veraguitars1234
Feb 13, 2020
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752
1
help
A blimp provides aerial television views of a baseball game. The television camera sights the stadium at a 7degrees angle of depression. The altitude of the blimp is 300m. What is the line-of-sight distance from the television camera to the base of the
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Guest
Feb 13, 2020
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1718
6
Please help, I'm truly stuck and I'm sick
1) In triangle $WXY,$ $WX = 8$ and $XY = 14.$ The circumcircle of triangle $WXY$ is constructed. The tangent to the circumcircle at $X$ is drawn, and the line through $W$ parallel to this tangent intersects $\overline{XY}$ at $Z.$ Find $YZ.$
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Guest
Feb 13, 2020
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642
2
help
Suppose that 80 percent of all statisticians are shy, whereas only 15 percent of all economists are shy. Suppose also that 90 percent of the people at a large gathering are economists and the other 10 percent are statisticians. If you meet a shy person
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Guest
Feb 13, 2020
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678
1
help
In 4 hours, an experienced cook prepares enough pies to supply a local restaurant's daily order. Another cook prepares the same number of pies in 7 hours. Together with a third cook, they prepare the pies in 2 hours. Find how long it takes the third
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Guest
Feb 13, 2020
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725
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Help
A(−1, 1), B(2, 3), C(2, 1) 90∘ counterclockwise about vertex A
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Guest
Feb 13, 2020
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892
1
help
You survey 127 employees, and learn that the number one thing on their wish list is free coffee. If 100 employees drink on average 1.5 cups of coffee a day and the cost is $.40 per cup, how much will it cost the company to offer free coffee for the year
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Guest
Feb 13, 2020
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