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Post New Question
All Questions
+0
234968 Questions
-1
835
1
+16
please help ASAP!!!
3. Last year, the numbers of skateboards produced per day at a certain factory were normally distributed with a mean of 20,300 skateboards and a standard deviation of 52 skateboards.
(a) On what percent of the days
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luckystar042003
Apr 25, 2021
0
258
0
Age
Kaden is 1/4 as old as Tom now. In 7 years, the sum of their age will be 54. How old is Tom now?
Guest
Apr 25, 2021
0
278
0
Math plus help
Jeremy is twice as old Randy now. 6 years ago, the sum of their age was 18. How old is Jeremy now?
Guest
Apr 25, 2021
0
257
0
Ratios
The ratio of Alan's apples to Don's apples was 3:5. When Alan gave 30 of his apples to Don, the ratio of Alan's apples to Don's apples became 1:5. Find the number of apples Alan had at first?
Guest
Apr 25, 2021
0
244
0
Math problem
Andrew chooses a number from 1 to 100, and Mary also chooses a number from 1 to 100. (They may choose the same number.) It turns out that the product of their numbers is a mutliple of 3. In how many ways could Andrew and Mary have chosen their numbers?
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Guest
Apr 25, 2021
0
238
0
Polynomials
Find a monic quartic polynomial with rational coefficients whose roots include x = 1 - sqrt(2) and x = 2 + sqrt(7).
.
Guest
Apr 25, 2021
0
347
1
System
Real numbers x and y satisfy
x + xy = 250y
x - xy = -240y
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Guest
Apr 25, 2021
0
274
1
Algebra
Let a be a positive real number such that all the roots of x^3 + ax^2 + ax - 2a - 1 = 0 are real. Find the smallest possible value of a.
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Guest
Apr 25, 2021
0
256
0
Algebra
Find the number of real solution to x = 1 - x + x^2 - x^3 + x^4.
Guest
Apr 25, 2021
0
342
1
Please answer this question :)
Jeri finds a pile of money with at least $\$200$. If she puts $\$50$ of the pile in her left pocket, gives away $\frac23$ of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away $\$200$ of
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Guest
Apr 25, 2021
0
413
1
number theory
A school bought many boxes of 100 candies each. The teachers opened all the boxes and gave 14 candies to each student, with 5 candies leftover at the end. The receipt shows the school bought 10* boxes of candies where the units digit, represented by *, was
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Guest
Apr 25, 2021
0
326
1
Let V=(0,3,2) and A=(-1,0,1).
Let V=(0,3,2) and A=(-1,0,1). Let P be the point on the line passing through A with direction vector (1,1,1) that is closest to V. Find the distance between V and the line.
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Guest
Apr 25, 2021
0
263
1
Please answer this question :)
Jeri finds a pile of money with at least $\$200$. If she puts $\$50$ of the pile in her left pocket, gives away $\frac23$ of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away $\$200$ of
read more ..
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Guest
Apr 25, 2021
0
379
1
Please answer question
All sacks of sugar have the same weight. All sacks of flour also have the same weight, but not necessarily the same as the weight of the sacks of sugar. Suppose that two sacks of sugar together with three sacks of flour weigh no more than $40$ pounds, and
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Guest
Apr 25, 2021
0
493
5
+20
HELP!!! DUE TODAY
Find the slope of (a) AB, (b) any line parallel to AB, and (c) any line perpendicular to AB.
A(-2, 0) and B(4, 4)
Use slopes to show that △RST is a right triangle.
2. R(-3, -4), S(2, 2), T(14, -8)
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jasminerramirez10
Apr 25, 2021
0
416
2
help
What is ((4+5)^-1)/6^7^7
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Guest
Apr 25, 2021
0
461
1
help me
Olivia opens a chequing account that charges a monthly maintenance fee of $8.75. She starts her account by depositing $250 at the start of January. At the end of June, how much money will she have in her account? Assume that she does not make any deposits
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Guest
Apr 25, 2021
0
437
2
counting question
In triangle ABC, AB is congruent to AC, the measure of angle ABC is 72 degrees and segment BD bisects angle ABC with point D on side AC. If point E is on side BC such that segment DE is parallel to side AB, how many isosceles triangles are in
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Guest
Apr 25, 2021
+1
431
1
+273
Help plz!
If is defined as , what is the value of a for which ?
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TheEarlyMathster
Apr 25, 2021
0
391
1
Quadratic stuff
Given , compute the sum of all the possible values of $\frac{14x+22}{x+2}=-3x+1$ Express your answer as a fraction.
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Guest
Apr 25, 2021
0
232
0
Please Help stuck on questions
https://snipboard.io/Q6Wzax.jpg
Link to the question
Guest
Apr 25, 2021
+1
445
1
+197
I hate jiskha now it is the worst
You heard the title. I hate jiskha because I'm banned from this website so I decided to use to wonderful website instead either than awful jiskha where you get banned
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KINGCASH
Apr 25, 2021
0
380
7
+318
Fractions
There are some fruits in a carton. 3/8 of the fruits are apples and the rest are oranges. The difference between the number of oranges and apples is 240. How many apples and oranges are there altogether?
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Tgfromthe4
Apr 25, 2021
0
408
1
mathematics
Tom baked some cupcakes. If he gave each of his friends 5 cupcakes, he would have 25 cupcakes left. If he gave each of his friends 9 cupcakes, he would need to bake another 35 more cupcakes. How many cupcakes did Tom bake?
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Guest
Apr 25, 2021
0
464
2
Some math
Joan read from pages 2 to 5, then from pages 7 to 10 of a book. How many pages of the book did Joan read in all?
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Guest
Apr 25, 2021
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