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230564 Questions
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658
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Please Help Soon! Word Problem Question
Peter and Pippin are peeling pails of potatoes. The two pails contain the same number of identical potatoes, and they begin peeling at the same time, working at constant rates. A half hour later Peter has just completed his pail, while Pippin is only two-thirds
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Guest
Oct 22, 2020
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489
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4x cubed minus 10x squared
4x cubed minus 10x squared
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Guest
Oct 22, 2020
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919
2
what is the slope of y=-x+7
what is the slope of y=-x+7
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Guest
Oct 22, 2020
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390
1
How many of the 343 smallest positive integers written in base 7
How many of the 343 smallest positive integers written in base 7 use 0 or 1 (or both) as a digit?
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Guest
Oct 22, 2020
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493
1
Pls help reposted from yesterday
What is the maximum value of $4(x + 7)(2 - x)$, over all real numbers $x$?
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Guest
Oct 22, 2020
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415
1
red bracelet, a yellow bracelet, a green bracelet, and a black bracelet
How many ways are there to divide a red bracelet, a yellow bracelet, a green bracelet, and a black bracelet among 4 people if each person can receive at most two bracelets? Each bracelet must be given to someone.
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Guest
Oct 22, 2020
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263
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How do I explain this?
Let f(x) be a real function and π₯ β β. Assume that limπ₯βπ π(π₯) = π, where π, π β β.
Is this sufficient to conclude that π(π) = π (and hence the continuity of f(x) at π)? Provide a detailed explanation and, if necessary,
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Guest
Oct 22, 2020
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502
3
English has 6 letters that can be vowels
English has 6 letters that can be vowels. This includes Y, which can be either a consonant or a vowel; for this problem, we'll consider Y a vowel.
The other 20 English letters are always consonants.
How many three-letter "words" can we make from these
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Guest
Oct 22, 2020
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418
1
Amaretta's birthday is July 27
Amaretta's birthday is July 27, and her brother Enzo's birthday is September 3. Every year, Amaretta and Enzo celebrate by eating cake every day from Amaretta's birthday through Enzo's birthday (including both birthdays). If they did this for the first
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Guest
Oct 22, 2020
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386
1
understanding Quadrilaterals
2. Find the number of sides of a regular polygon if each interior angle measures
3The adjacent angles of a parallelogram are in the ratio 2:7. Find the angles
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Guest
Oct 22, 2020
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2601
1
What is 4.5 rounded to the nearest tenth?
What is 4.5 rounded to the nearest tenth?
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Guest
Oct 22, 2020
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521
1
i need help for sixth grade work.
Evaluate 5.8-3.63
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Guest
Oct 22, 2020
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1057
1
Please help
The mass of the moon is 73,000,000,000,000,000,000,000 kg what is this written in scientific notation?
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Guest
Oct 22, 2020
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699
2
Please help
The rest mass of an electron is 0. 000 000 000 000 000 000 000 000 000 000 910 938 kg what is this written in scientific notation?
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Guest
Oct 22, 2020
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543
2
There are 42 people in pilates class
There are 42 people in pilates class. Today, 36 of them brought yoga mats, 26 of them brought eco-friendly water bottles, and 28 of them remembered to bring both yoga mats and water bottles. How many people had to suffer through class having neither a yoga
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Guest
Oct 22, 2020
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567
1
direct variation y=16 and x=8
direct variation y=16 and x=8
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Guest
Oct 22, 2020
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419
1
Just a few questions
1) Let $f(x) = x^4-3x^2 + 2$ and $g(x) = 2x^4 - 6x^2 + 2x -1$. Let $b$ be a constant. What is the smallest possible degree of the polynomial $f(x) + b\cdot g(x)$?
2)Suppose is a polynomial such that , , , and . What
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Guest
Oct 22, 2020
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406
1
Help is greatly appreciated
The quadratic $2x^2-3x+27$ has two imaginary roots. What is the sum of the squares of these roots? Express your answer as a decimal rounded to the nearest hundredth.
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Guest
Oct 22, 2020
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284
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NEED HELP ASAP
f is odd, periodic with a period of 5, domain of R {2.5k|k β Z}, is always increasing, and is bounded.
Can anyone sketch an example graph that abides by the rules above?
Thanks.
Guest
Oct 22, 2020
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507
1
Ellen baked 2 dozen cupcakes
Ellen baked 2 dozen cupcakes of which half contained chocolate, two-thirds contained raisins, one-fourth contained chocolate chips, and one-eighth contained nuts. What is the largest possible number of cupcakes that had none of these ingredients?
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Guest
Oct 22, 2020
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453
1
A zookeeper needs to mix a solution
A zookeeper needs to mix a solution for baby penguins so it has the right amount of medicine. Solution A has 20% medicine. Solution B has 5% medicine. How many ounces of each solution are needed to obtain 10 ounces OF 8% medicine?
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Guest
Oct 22, 2020
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744
2
kite ABCD. AB is 24 cm and BC is 18 cm. D is 90 degrees.
The circle with center O is inscribed in kite ABCD. AB is 24 cm and BC is 20 cm. D is 90 degrees.
Find the length of the radius if the circle, in cm.
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Guest
Oct 22, 2020
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437
1
please help
4(3Ρ +2)-7(Ρ +1)=3(Ρ -1)
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Guest
Oct 22, 2020
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317
1
algebra
Bob had $512 in his bank vault. If he takes out 100, puts in 1000, then takes out 50, and finally takes 4/5 of the remaining money, how much is in his bank vault now?
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Guest
Oct 22, 2020
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