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Post New Question
All Questions
+0
230804 Questions
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516
1
help please
In triangle ABC, angle A = 2 * angle B. Prove that the side lengths satisfy a^2 = b(b + c).
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Guest
Jan 19, 2020
0
641
1
Need help...
Ten points are chosen on a circle. A line segment is drawn between every pair of chosen points. How many line segments are drawn?
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Guest
Jan 19, 2020
0
3124
2
Help...
Yvette has six beads that she is going to assemble into a bracelet. Two of the six beads have the same color, and the remaining four all have different colors. How many different ways can Yvette assemble her bracelet? (Two bracelets are considered identical
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Guest
Jan 19, 2020
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448
2
I need help on these...
There are 18 chairs numbered from 1-18 through around a circular table. How many ways can three people be seated, so that no two people are adjacent?
Anty the ant starts at the point (0,0) in the coordinate plane. At each
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Guest
Jan 19, 2020
0
1106
1
help
Last month the balance on your credit card was $785. Your new balance is $540. what percent of your total balance did you pay
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Guest
Jan 19, 2020
0
1333
1
+261
help :(
how many integers between 100 and 150 have three different digits in increasing order? (for example, 129, 158, etc.)
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atlas9
Jan 19, 2020
0
451
1
help
A building 30 feet tall casts a shadow 20 feet long. A person 6 feet tall is walking directly away from the building toward the edge of the building shadow. How far from the building will the person be when the person shadow just begins to emerge from that
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Guest
Jan 19, 2020
0
483
1
help
On Decemeber 18th, there is a 75% chance that Santa will come to the mall that day and a 55% chance that your best friend will be at the mall. There is a 40% chance that your best friend will be there AND Santa will come to that mall. What is the probability
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Guest
Jan 19, 2020
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450
1
Please help
If 6x^4+8x^3-5x^2+ax+b is completely divisible by 2x^2-5 then find the value of a and b.
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Guest
Jan 19, 2020
0
430
1
help
90 percent of the students at a school went on to go university and of these 30 percent stayed on to study a masters degree calculate the percentage of the students at the school who went to study a masters degree
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Guest
Jan 19, 2020
0
683
5
+614
PLEASE HELP!!!
Given: circle O,
line ST is tangent to the circle at point T. Congruent angles are marked.
Find x.
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xxJenny1213xx
Jan 19, 2020
0
465
1
help
There is a 85% chance that you will go to a Eagles concert given that the weather is good. If there is a 60% chance that the weather is good, what is the chance that you go to the concert and the weather is good?
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Guest
Jan 19, 2020
0
928
1
help
Assume the world catch of fish in 1950 was 12 million tons and in 1955 it was 96 million tons. Find the average rate of change from 1950 to 1995.
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Guest
Jan 19, 2020
0
737
2
+261
help with bases
convert 100_64 to a number base 62.
can i convert 100_64 to decimal first then to base 62?
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atlas9
Jan 19, 2020
0
460
1
Help please
Quadrilateral ABCD is convex. Let M be the midpoint of AD, and let N be the midpoint of BC. Prove that MN is greater than or equal to (AB+CD)/2.
If MN=(AB+CD)/2, then what can you say about quadrilateral ABCD.
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Guest
Jan 19, 2020
0
440
1
help
Justin got pepperoni, banana peppers, and black olives on his pizza for a cost of $7.49. Jake ordered mushrooms and eggplant on his pizza and paid $6.99. Using this information, how much did each topping cost? And what does a plain pizza cost with no extra
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Guest
Jan 19, 2020
0
1189
2
Help
Let m be a positive integer. In triangle ABC, AB=4,-9, AC=3m+1, BC=3m+4 and angle A > angle B > angle C. How many possible values of m are there?
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Guest
Jan 19, 2020
+1
641
1
+111
algebra b help
what is the least value of such that ?
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pinklemonade
Jan 19, 2020
0
663
1
help
The line graph shows the miles per gallon for a car.
What is the unit rate of gas usage for the car?
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Guest
Jan 19, 2020
0
2225
1
help
Henry gets pic 'n mix when at the cinema and makes his bag up with 3 types of sweet. He picks 3 times as many smarties as cola bottles. He also picks twice as many marshmallows as smarties. What proportion of the bag of sweets are marshmallows? Give your
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Guest
Jan 19, 2020
0
758
1
HELP
Initially, $40\%$ of the students at the school dance are girls. Then, $15$ more girls arrive, after which $52\%$ of the students at the dance are girls. How many students are now at the dance after the additional girls arrive?
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Guest
Jan 19, 2020
0
402
1
Need Help
In the diagram below, we have and . Find the length .
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Guest
Jan 19, 2020
0
2274
2
help
A rose garden is formed by joining a rectangle and a semicircle. The rectangle is 28 ft long and 22 ft wide. If the gardener wants to build a fence around the garden, how many feet of fence are required.
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Guest
Jan 19, 2020
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