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All Questions
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234773 Questions
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510
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Math Help ASAP
According to Kepler's third law of planetary motion, the mean distance D, in millions of miles, from a planet in our solar system to the sun is related to the time P, in years, that it takes for the planet to complete a revolution around the sun,
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Guest
Jan 26, 2021
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375
1
geometric series
The sum of the first n terms in the infinite geometric sequence 1/4, 1/8, 1/16, ... is 15/32. Find n.
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Guest
Jan 26, 2021
0
450
1
+44
algebra help
Using row notation, solve:
10(e-4)=20(f-e)
20(f-4)=10(e+f)
catmg
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GR0001
Jan 26, 2021
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275
0
algebra
What non-zero rational number must be placed in the square so that the simplified product of these two binomials is a binomial: $(7t - 10)(3t + \square)$? Express your answer as a mixed number.
Guest
Jan 26, 2021
+5
552
2
+73
Help Please!
A group of 25 pennies is arranged into 3 piles such that each pile contains a different prime number of pennies. What is the greatest number of pennies possible in any of the 3 piles?
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Vanilla
Jan 26, 2021
Jan 25, 2021
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527
2
I want to double check my answer which is 6
Ava’s father, George, picks her up at the train station when she comes home from school, then George drives Ava home. They always return home at 5:00 pm. One day Ava left school early and got to the train station an hour early. She then
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Guest
Jan 25, 2021
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501
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+50
What is the limit of the infinite series?
∞
An infinite series is represented by ∑
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nicoledakota2290
Jan 25, 2021
0
399
1
In right $\triangle ABC$, shown here, $AB = 15 \text{ units}$, $AC = 24 \text{ units}$ and points $D,$ $E,$ and $F$ are the midpoints of $\o
Question is the title
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Guest
Jan 25, 2021
0
461
1
+70
help
The kinetic energy of a moving object is KE = 1/2 mv2, where m is the mass and v is the speed. An average apple has a mass of 0.16 kg. How fast must the apple travel in m/s to have kinetic energy of 0.69 million joules?
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Skatergoat
Jan 25, 2021
0
301
0
coefficient
Find the coefficient of y^4 in the expansion of (2y - 7)^5.
Guest
Jan 25, 2021
0
669
1
You are in charge of drinks for a community barbecue
You are in charge of drinks for a community barbecue. You need to supply at least 120 cups of beverage to provide enough for the projected number of people that will attend. So far, you have received the following donations:
Enough mix to make 3
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Guest
Jan 25, 2021
0
312
1
congruences
Determine the smallest non-negative integer a that satisfies the congruences:
a = 2 (mod 3)
a = 4 (mod 5)
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Guest
Jan 25, 2021
0
539
2
Please Help!
Thank you in advance!
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Guest
Jan 25, 2021
0
390
0
+44
quick algebra help
Using row notation, solve:
10(e-4)=20(f-e)
20(f-4)=10(e+f)
GR0001
Jan 25, 2021
0
389
2
percent
A bookstore sells used books at a 40% discount off the regular price of the book when it was new. The price of a used book is $16. What was the regular price of that book when it was new
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Guest
Jan 25, 2021
0
309
1
triangle
The hypotenuse of a right triangle measures 6 inches and one angle is 45 degrees. What is the number of square inches in the area of the triangle?
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Guest
Jan 25, 2021
0
471
1
+70
How to convert years to AU in this equation? years confusing me
Suppose a comet orbits the Sun every 89 years and has an eccentricity of 0.97. What is the length of its semi-major axis in AU?
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Skatergoat
Jan 25, 2021
0
308
0
Pedro is making a cone
Pedro wants to make a right cone whose height will be equal to its radius (h = r). How many degrees are in a major sector that he is going to use in order to create such a cone?
Guest
Jan 25, 2021
+1
499
8
aphmau
what happens when you divod 5666 with 2381 what do you get
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Guest
Jan 25, 2021
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273
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counting
The six faces of a three-inch wooden cube are each painted red. The cube is then cut into one-inch cubes along the lines shown in the diagram. How many of the one-inch cubes have red paint on at least one face?
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Guest
Jan 25, 2021
0
268
0
Help pls
According to Kepler's third law of planetary motion, the mean distance D, in millions of miles, from a planet in our solar system to the sun is related to the time P, in years, that it takes for the planet to complete a revolution around the sun,
read more ..
Guest
Jan 25, 2021
0
333
5
I need help I don't understand
Suppose you invested $1600 in the stock market 2 years ago. During the first year, the value of the stock increased by 13%. During the second year, the value of the stock decreased by 13%. How much money is your investment worth at the
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Guest
Jan 25, 2021
0
718
2
Math help asap
Suppose you want to buy a great pair of designer jeans that were originally priced at $85, but are now on sale for 10% off. When you buy the jeans, you need to pay sales tax of 10% on the sales price. How much will you have to pay for the jeans? (Round
read more ..
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Guest
Jan 25, 2021
+1
905
1
+75
Find all real x satisfying x^2+7x+4-4sqrt(x+8)=0.
Find all real x satisfying x^2+7x+4-4sqrt(x+8)=0.
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Destryox
Jan 25, 2021
0
428
1
+71
Quick Q
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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MathSolverForLYFE
Jan 25, 2021
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