All Questions

266

+24

algebra 2

i think its 6 but im not sure i need help

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Pythonkil06 Jun 24, 2022

317

+103

Math

The Harmony Hut is offering a discount of 20% off guitars. The regular price is $130.00. What is the sale price?

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Robtlukas Jun 24, 2022

290

+103

Help with this

A saxophone at The Sound Factory costs $350.00. How much would it cost to buy the saxophone if there is a sales tax of 6%?

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Robtlukas Jun 24, 2022

312

+103

Help

Corey placed the $230.00 he earned from his dog walking business into a savings account. The savings account pays 6% interest each year. What will the value of Corey's money be after one year?

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Robtlukas Jun 24, 2022

211

help quadratic

What is the maximum value of 4(x+7)(12-x), over all real numbers ?

Guest Jun 24, 2022

221

Polynomials

The product of 3t^2 + 5t + a and 4t^2 + bt - 2 is 12t^4 + 38t^3 + 8t^2 - 34t + 8. What is a + b?

Guest Jun 24, 2022

219

Ellipse

The graph of the equation
x^2 + 4y^2 - 10x + 58y - 20x + 4y = k
is a non-degenerate ellipse if and only if k > a. What is a?

Guest Jun 24, 2022

276

If the product , what is the sum of a and b?

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Guest Jun 24, 2022

277

Euclidian Algorithm

As n ranges over the positive integers, what is the maximum possible value for the greatest common divisor of 11n+3 and 6n+1?

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Guest Jun 24, 2022

264

help algebra

For every value of a, the graph of each of these three equations is a line:
ax + y = 1
x + ay = 6
x + y = 5 read more ..

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Guest Jun 24, 2022

303

need help

Define a@b = ab - 2b and a#b = a + b - ab. What is (6@2)/(6#2)?

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Guest Jun 24, 2022

299

plz help

Find the infinite sum of
1/7 + 2/7^2 + 3/7^3 + 1/7^4 + 2/7^5 + 3/7^6 + ...

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Guest Jun 24, 2022

253

+75

welpp

Arrange the 26 letters from A to Z in a row. The probability that no vowels are next to each other is mn, where m,n are relatively prime. Find the sum of m's digits.

HelpMePlssss Jun 24, 2022

244

+75

pls help

Randomly put A1,A2,A3,B1,B2,B3,C1,C2,C3 into three groups. What is the probability that all letters in the same group are different?

HelpMePlssss Jun 24, 2022

262

+75

helppp

There are 20 evenly spaced points on a circle. Three points are randomly selected. What is the probability that these three points form an acute triangle?

HelpMePlssss Jun 24, 2022

244

+75

welp

In a year 10 Maths class, there are 30 students. Each student is either 15 or 16 years old, and either left- or right-handed. The ratio of right-handed students to left-handed students is 4 : 1, the ratio of 15 year olds to 16 year olds is 1 : 2 and the read more ..

HelpMePlssss Jun 24, 2022

293

need help

If 1/x + 1/y = 3 and 1/x - 1/y = 7, what is the value of x + y? Express your answer as a common fraction.

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Guest Jun 24, 2022

308

+75

pls help

Randomly place +" or -" into the following boxes,
◻ 1/2 ◻ 1/3 ◻ 1/4 ◻ 1/15
What is the probability that the result is positive but no greater than 1/20?

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HelpMePlssss Jun 24, 2022

334

+176

Math

Tommy put some money in his pocket and went to the store. After paying $12 for a kite, he had 3/7 of his money left. How much money did Tommy have left?

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Whayousayy Jun 24, 2022

292

+176

Help

Brian put some money in his pocket and went to the store. After paying $8 for a book, he had 2/3 of his money left. How much money did Brian have left?

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Whayousayy Jun 24, 2022

310

+91

Help ASAP PLS

A number x is selected randomly on the interval [0,1], what is the probability that ⌊3x⌋+⌊7x⌋≥4?

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Derekshackk Jun 24, 2022

296

Peter had 4 times as many pencils as Tom. When Tom's sister gave him 48 more pencils,

Peter had 4 times as many pencils as Tom. When Tom's sister gave him 48 more pencils,
he had 1/2 as many pencils as Peter.
(a) How many pencils did Tom have in the end?
(b) How many pencils did the boys have altogether read more ..

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Guest Jun 24, 2022

296

Graph question

The graph of y = h(x) is shown in red below. Compute h(h(7)).

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Guest Jun 24, 2022

292

Math

Adam and Hunter each had a collection of seashells. The ratio of Adam's seashells to Hunter's seashells was 2:1. When Hunter found 15 more seashells, the ratio became 1:2. How many seashells did Adam have?

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Guest Jun 24, 2022

All Questions ⁺⁰237783 Questions

algebra 2

Math

Help with this

Help

help quadratic

Polynomials

Ellipse

If the product , what is the sum of a and b?

Euclidian Algorithm

help algebra

need help

plz help

welpp

pls help

helppp

welp

need help

pls help

Math

Help

Help ASAP PLS

Peter had 4 times as many pencils as Tom. When Tom's sister gave him 48 more pencils,

Graph question

Math

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