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613

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Mack the bug starts at (0,0) at noon and each minute moves one unit right or one unit up. He is trying to get to the point (5,7). However, at (4,3) there is a spider that will eat him if he goes through that point. In how many ways can Mack reach (5,7)? read more ..

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Guest Jan 18, 2020

930

Please help as soon as possible...

The first and thirteenth terms of an arithmetic sequence are $\frac79$ and $\frac45$, respectively. What is the seventh term?

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Guest Jan 18, 2020

1220

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A jeweler had a fixed amount of gold to make bracelets and necklaces. The amount of gold in each bracelet is 7 grams and the amount of gold in each necklace is 20 grams. The jeweler used 109 grams of gold and made 4 more bracelets than necklaces. Determine read more ..

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Guest Jan 18, 2020

576

need help

A man is standing at a radar base and observes an unidentified plane at an altitude 6000m flying towards the radar base at an angle of elevation 300. After exactly one minute, the radar sweep reveals that the plane is now at an angle of elevation 600 maintaining read more ..

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Guest Jan 18, 2020

631

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On a sunny day a 2 foot red kangaroo casts show a shadow that is 7 feet long the shadow of a nearby eucalyptus tree is 14 feet long find the height of the tree

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Guest Jan 18, 2020

385

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The Bad News Bears are playing against the Houston Toros in a baseball tournament. The first team to win three games wins the tournament. The Bears have a probability of 2/3 of winning each game. Find the probability that the Bears win the tournament. read more ..

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Guest Jan 18, 2020

363

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I have a bag with 5 pennies and 6 nickels. I draw coins out one at a time at random. What is the probability that after draws I have removed no more than 2 pennies from the bag?

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Guest Jan 18, 2020

514

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How many 10 digit numbers are there, such that the sum of the digits is divisible by 5?

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Guest Jan 18, 2020

427

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The sales of 3-day tickets to PlayerCon brought in $347,600. The combined cost of one 3-day adult ticket and one 3-day children's ticket is $90. One-third more adult 3-day tickets were sold than adult 2-day tickets. One-fifth more 3-day children's tickets read more ..

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Guest Jan 18, 2020

904

please help

Emily purchased lemons for $600. She sold 3/4 of these at a loss of 20% and the remaining at a gain of 20%. How much percent does she gain or lose in the whole transaction?

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Guest Jan 18, 2020

1428

The general form of a parabola is y^2-4x+4y-8=0

The general form of a parabola is y^2-4x+4y-8=0

What is the standard form?

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Guest Jan 18, 2020

694

What are the coordinates of the foci of the hyperbola?

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Guest Jan 18, 2020

543

help

How many squares can you find in this picture ?

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Guest Jan 18, 2020

591

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Casey is six time as old as Ralph, In two years, she will be four time as old as Ralph. How old is each of them now?

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Guest Jan 18, 2020

431

need help please!

Emily purchased lemons for $600. She sold 3/4 of these at a loss of 20% and the remaining at a gain of 20%. How much percent does she gain or lose in the whole transaction?

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Guest Jan 18, 2020

726

help...

Three runners Adam, Ben, and Charles all start at the same time for a 24 km race, and each of them runs at a constant speed. When Adam finishes the race, Ben is 8 km behind, and Charles is 12 km behind. When Ben finishes the race, how far behind is Charles, read more ..

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Guest Jan 18, 2020

599

help

At a party. Andy and April shared a cherry pie. Andy ate 2/5 of the pie and April ate 1/3 of the pie. What fraction of the pie did they eat altogether

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Guest Jan 18, 2020

1989

please help

A coffee shop currently sells 490 lattes a day at $3.00 each. They recently tried raising the by price by $0.25 a latte, and found that they sold 30 less lattes a day. a) Assume that the number of lattes they sell in a day, N, is linearly related to the read more ..

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Guest Jan 18, 2020

611

perimeter

.thank you

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Guest Jan 18, 2020

3011

help

If the farm has 30 chickens and cows, and there are 82 chicken and cow legs all together, then how many chickens and how many cows could the farm have

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Guest Jan 18, 2020

360

Pls help

Mahmud has been saving money for years. Rihan's money is 4 times as much as
1
-
5 read more ..

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Guest Jan 18, 2020

555

help

A leaky faucet is losing water and is filling a 6 gallon bucket every 12 hours. At that rate how many gallons of water will the faucet leak in 42 hours

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Guest Jan 18, 2020

812

please help

Holli's house is located at (−1, 4). She can walk in a straight line to get to Jedd's house. A fast food restaurant is located at (−3, 2) and partitions the way from Holli's house to Jedd's house by a ratio of 1:1. Find the coordinate of Jedd's house. read more ..

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Guest Jan 18, 2020

472

word problem

A whispering chamber is an elliptically arched chamber. A unique feature of a whispering chamber is that when a person standing at one focus of the ellipse whispers, he can be heard by a person standing at the other focus, regardless of the dimensions of read more ..

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Guest Jan 18, 2020

1044

+116

Roots of Unity Questions

1. Let R be the set of primitive 42nd roots of unity, and let S be the set of primitive 70th roots of unity. How many elements do R and S have in common?
2. Let u,v be distinct complex numbers. If u^2=v and read more ..

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somebody Jan 18, 2020

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The general form of a parabola is y^2-4x+4y-8=0

What are the coordinates of the foci of the hyperbola?

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