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All Questions
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229704 Questions
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246
1
Functions
Find the inverse function in slope-intercept form (mx+b):
f(x)=2/5*x+4
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Guest
Sep 13, 2021
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245
1
2/5 + 1/3 what is the answer
2/5 + 1/3 what is the answer
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Guest
Sep 13, 2021
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225
1
Pls help
Peter and Andy had a total of $240. Peter gave 2/5 of his money to Andy. Andy then gave 3/7 of the total amount of money he had to Peter. In the end, Each of them had the same amount of money. How much money had each own at first?
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Guest
Sep 13, 2021
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222
1
please
The ratio of the number of stickers Sam had to the number of stickers that Amy had was 3:2. Amy bought 26 more stickers and Sam bought 12 more stickers. The ratio of Sam's stickers to Amy's stickers became 3:5. How many stickers did Amy have at first?
read more ..
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Guest
Sep 13, 2021
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305
1
4 unit squares each have 4/5 of thair area shaded. what is the total area shaded?
4 unit squares each have 4/5 of thair area shaded. what is the total area shaded?
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Guest
Sep 13, 2021
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184
0
Algebra
Let f(x) be a polynomial of degree 4 with rational coefficients which has 1 + 2*sqrt(3), 3 - sqrt(3) as roots, and such that f(0) = -154. Find f(1).
Guest
Sep 13, 2021
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298
2
Number Theory
What is the largest three-digit integer n that satisfies 55n = 165 (mod 220)?
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Guest
Sep 13, 2021
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320
1
help math
There are 125 people in a sport centre. 59 people use the gym. 70 people use the swimming pool. 55 people use the track. 25 people use the gym and the pool. 30 people use the pool and the track. 17 people use the gym and the track. 6 people use all three
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Guest
Sep 13, 2021
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366
1
+108
Pls help
Alicia bought diaries at $3 each and sold them at $8 each. Customers who bought 2 diaries from her were given one diary free. At the end of the sale, Alicia had given away 150 copies of diaries and made $1 235. Find the number of customers who had
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KourageKowardlyDog
Sep 13, 2021
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345
1
+108
Pls help. Tq
Jack had 4 times as much money as Tom. Kenny had $240 more than Jack. After Kenny gave $300 to Jack and $80 to Tom, Jack will have twice as much money as Kenny. How much money did Tom have in the end?
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KourageKowardlyDog
Sep 13, 2021
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149
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Coordinates
A circle with a radius of 2 units has its center at (0, 0). A circle with a radius of 7 units has its center at (18, 0). A line tangent to both circles intersects the x-axis at (x, 0) to the right of the origin. What is the value of x?
Guest
Sep 13, 2021
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263
0
Find the perimeter of each composite figure. All curves are circular arcs with centers shown. (Round your answers to two decimal places.)
Find the perimeter of each composite figure. All curves are circular arcs with centers shown. (Round your answers to two decimal places.)
Guest
Sep 13, 2021
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198
1
Please help. Thanks
Kelvin and Danny had some money. They wanted to buy a toy that cost $35. If only Kelvin paid, the ratio of his money left to Danny's money would be 2:3. If only David paid, the ratio of Kelvin's money to the money Danny had left would be 11:4.
(a)
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Guest
Sep 13, 2021
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309
1
Can you please help me. Thank you so much
Rex spent $105 on a wallet and 2/5 of his remaining money on a T-shirt. He then had 1/3 of the total amount of money left. How much did the T-shirt cost?
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Guest
Sep 13, 2021
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235
1
Counting
How many ways are there to write 14 as a sum of 5 positive integers, not necessarily distinct? Order does not matter, like 1+1+1+1+10 is the same as 10+1+1+1+1.
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Guest
Sep 13, 2021
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161
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help Coordinates
Let a and b be real numbers, where a < b, and let A = (a,a^2) and B = (b,b^2). The line has x-intercept x(-2,0) and y-intercept y(0,3). Find a and b. Express your answer as the ordered pair (a,b).
Guest
Sep 13, 2021
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172
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Algebra
For how many integer values of x is 5x^2 + 19x + 16 > 120 not satisfied?
Guest
Sep 13, 2021
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221
0
Please advise. Thank you.
Some girls and boys took part in a race. At first, the number of girls was 5/7 of the number of boys. After 10 girls and 32 boys withdrew from the race, the ratio of the number of girls to the number of boys was 5:4.
(a) How many
read more ..
Guest
Sep 13, 2021
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284
2
need help
Brent rolls a fair dodecahedral die with numbers 1,2,3,...,11,12 on its faces. What is the expected number he obtains? Express your answer in a decimal.
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Guest
Sep 13, 2021
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343
3
help Probability
Alex flips a fair coin four times. What is the probability that he flips heads three times in a row?
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Guest
Sep 13, 2021
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342
2
answer conversion
how do i change the answer to showing in fraction form instead of decimal form
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Guest
Sep 13, 2021
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240
0
Use a separate sheet of paper in solving the following problems
An archaeologist found the remains of an ancient wheel, which she then placed on a grid. If an arc of the wheel passes through A(3,6), B(-5,10) and C(-2,1), locate the center of the wheel, and the equation of the circle defining its boundary.
Guest
Sep 13, 2021
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314
1
Polynomial
Let f(y) = y^4 -3y^3 +y - 3 and g(y) = y^4 - 5y -10. Find f(y) + 2g(y) . Write your answer as a polynomial with terms of decreasing degree.
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Guest
Sep 13, 2021
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217
0
A project onKickstarter.com was aiming to raise $15,000 for a precision coffee press. They ended up with 714 supporters, raising 557% of th
A project onKickstarter.com was aiming to raise $15,000 for a precision coffee press. They ended up with 714 supporters, raising 557% of their goal. How much did they raise?
Guest
Sep 13, 2021
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