All Questions ⁺⁰237767 Questions

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89

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help

Im confused by the floor function
Find all values of $t$ such that $\lfloor t\rfloor = 3t + 4/5$. If you find more than one value, then list the values you find in increasing order, separated by commas.

tomtom Aug 17, 2023

0

127

1

Please help

Solve the inequality -4( x + 4 ) > x + 7 Give your answer as an interval.

Guest Aug 17, 2023

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127

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I need help please

I own a large truck, and my neighbor owns four small trucks that are all identical. My truck can carry a load of at least pounds more than each of her trucks, but no more than of the total load her four trucks combined can carry. Based read more ..

Guest Aug 17, 2023

-2

110

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+818

absolute value

Find all solutions of the equation $$|x^2-30x-1|+|x^2+30x+1|=30.$$

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maximum Aug 17, 2023

-2

114

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+818

inequalities

(1) Let $a_1,$ $a_2,$ $a_3$ be real numbers such that
\[|a_1 - a_2| + 2 |a_2 - a_3| + 3 |a_3 - a_1| = 1.\]
What is the largest possible value of $|a_1 - a_2|$?
(2) Let $a_1,$ $a_2,$ $a_3,$ $\dots,$ $a_{10}$ be real numbers read more ..

maximum Aug 17, 2023

-2

117

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+818

floor function

Find the number of positive integers ${}n$ that satisfy $\lfloor \sqrt{n} \rfloor + \lfloor \sqrt{4n} \rfloor = 5.$

maximum Aug 17, 2023

-2

114

1

+818

help

I need help with algebra
Find constants $A$ and $B$ such that
\[\frac{2x + 11 - x - 13}{x^2 - x - 2} = \frac{A}{x - 2} + \frac{B}{x + 1}\]
for all ${}x$ such that $x\neq -1$ and $x\neq 2$.

maximum Aug 17, 2023

-2

78

1

+818

circle question

Points $A$, $B$, $Q$, $D$, and $C$ lie on the circle shown and the measures of arcs $BQ$ and $QD$ are $30^\circ$ and $30^\circ$, respectively. Find the sum of the measures of angles $P$ and $Q$, in degrees. read more ..

maximum Aug 17, 2023

-2

76

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+818

help pls

Help with circles plz
A hexagon is inscribed in a circle. Find the angle $\alpha$, in degrees.

maximum Aug 17, 2023

0

82

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+45

HELP

The remainders when three positive integers are divided by 5 are 1, 2, and 3. Find the remainder when their product is divided by 5.

LuckyLemonie Aug 17, 2023

-2

122

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+818

help

The product $(3x+2y+1)(x+4y+5)(7x-y+2)$ is expanded. What is the sum of the coefficients of the terms which contain a nonzero power of $y$?

maximum Aug 17, 2023

0

129

1

+85

Help!

for some positive real numbers. If is tripled and is halved, by what percentage does x have to increase for the equation to be equal?

PurpleWasp Aug 17, 2023

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122

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system

Let $x,$ $y,$ and $z$ be real numbers such that
\begin{align*}
x+y-z &= -8, \\
x-y &= 18,\text{ and} \\
y+z &= 30. \\<#> \end{align*}<#> Compute $xyz.$

Guest Aug 17, 2023

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123

1

math promlem

suppose $125.00 is placed in a savings account for 2 years. find the amount of interest and the total amount if the account earned 4.5% during this time period

Guest Aug 17, 2023

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106

0

Equation

Let $g(x)=\sqrt[3]{\frac{x+3}{4}}$. Find the value of $x$ such that $g(2x)=(g(x))^2$.

Guest Aug 17, 2023

0

99

4

+70

help

Joseph, Pedro, Samuel, and David leave their backpacks by the classroom door at the start of class. When the fire alarm rings they rush to leave, each randomly grabbing a backpack on the way out. What is the probability that each boy takes a backpack that read more ..

Hamburger Aug 17, 2023

-2

120

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+1348

help with range plz

Find the range of the function $f(x),$ where
\[f(x) = x^k\]
for $x \ge 2$, and $k = -3$.

sandwich Aug 17, 2023

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129

1

+132

HELP ME PLEASE: MATRICES

Suppose (3/4a + 4) [ 3 ] [ 15 ]
-2 = -10 read more ..

thebestchesscat Aug 17, 2023

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36

2

+132

PLEASE HELP ME: Matrices

consider matrix A
A = [-3 5 2]
8 -1 3
What matrix results from the elementary row operations represented by -3R2+4R1 ?

Enter answer by filling in the blanks: read more ..

thebestchesscat Aug 17, 2023

0

51

2

+132

PLEASE HELP!

Graph the function
f(x)= x2-3x / 2x2-3x-9
- Graph the function and name any x and y intercepts
- Name the coordinates of any holes in the graph of the function.
- State equations of any asymptotes in the graph of read more ..

thebestchesscat Aug 17, 2023

-2

115

1

+1348

help me plz!

Let $f(x) = \frac{\sqrt{2x-6}}{x-3}$. Find the smallest integer value $a$ such that $f(a) = 1$.

sandwich Aug 17, 2023

0

124

2

HALPP

Triangle XYZ is equilateral. Points Y and Z lie on a circle centered at O such that X is the circumcenter of triangle OYZ and X lies inside triangle OYZ. If the area of the circle is 48pi, then find the area of triangle XYZ.
Please read more ..

Guest Aug 17, 2023

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94

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+1348

question on algebra

How do I solve this?
Let $A$, $B$, and $C$ be constants so that
\[\frac{x^2-21x-3}{x^3-x^2-21x+45}=\frac{A}{x+5}+\frac{B}{x-3} + \frac{C}{(x - 3)^2}\]
holds for all real numbers $x$ other than $-5$ and $3.$ What is read more ..

sandwich Aug 17, 2023

-1

122

1

+1348

range of a function

These range function problems are really tricky!
Find the range of the function
\[f(x) = \frac{x}{(x - 1)} + 2.\]

sandwich Aug 17, 2023

0

119

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+6

Sum of a Logarithm Function

If , find the sum of
I want some help on this, I haven't been able to deduct anything from it except for making the function a bit simpler:

Thank you!

takuya0107 Aug 17, 2023

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