All Questions ⁺⁰237779 Questions

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153

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Help plz

Help how to solve
A certain square and a certain equilateral triangle have the same perimeter. The square and triangle are inscribed in circles, as shown below. If A is the area of the square and B is the area of the triangle, then read more ..

Guest May 5, 2023

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134

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Solve

Solve for the variable x in terms of y and z, assuming y \neq \frac{1}{2}:
xy + x = \frac{3x + 2y + z + y + 2z}{3}

Guest May 5, 2023

+1

139

3

+52

Please help, i am stuck

i am so stuck that my head hurts

sussybaka May 5, 2023

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141

2

+52

Casework

plz help me with this, i dont understand this at all

sussybaka May 5, 2023

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142

0

Weird algebra

For certain values of k and m, the system
3a + 2b = 2
6a + 2b = k + 3a + mb
has infinitely many solutions (a,b). What are k and m? read more ..

Guest May 5, 2023

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151

1

Algebra

A candy bar and a piece of bubble gum together cost 1.50. The candy bar costs a dollar more than the bubble gum. How much does the piece of bubble gum cost, in cents?

Guest May 5, 2023

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146

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Simplify

Simplify the expression ab^2 + 3a^3b - ab^2 + ab^2 - a^3*b - 4a^3b + 2a^3b - ab^2.

Guest May 5, 2023

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143

1

Help

I need to use algebra
Seven years ago, Grogg's dad was 6 times as old as Grogg, and 4 years ago, his dad was 4 times as old as Grogg. How old is Grogg's dad currently?

Guest May 5, 2023

0

146

1

Precalc

Let $\mathbf{P}$ and $\mathbf{D}$ be the following $3\times 3$ matrices: \begin{align*} &\mathbf{P} \text{ projects vectors onto $\begin{pmatrix} 1 \\ 2 \\ 4 \end{pmatrix}$},\\ &\mathbf{D} \text{ dilates vectors by a factor of $3.$}\\ \end{align*}Calculate read more ..

Guest May 5, 2023

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137

2

Digits

Sophie's favorite number is a two-digit number. If she reverses the digits, the result is 45 less than her favorite number. Also, one digit is one less than double the other digit. What is Sophie's favorite number?

Guest May 5, 2023

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73

2

Help! I'm super stuck on this question....

Let S be the set of all real numbers of the form
(a_1)/(3) + (a_2)/(3^2) + (a_3)/(3^3) + ...
where (a_i) is equal to either 1 or -1 for each i.
(a) Is the number 1/4 in the set S? read more ..

Guest May 5, 2023

May 4, 2023

0

139

0

Simplify

Assuming that x neq 1/2, simplify (12x^2 - 6x)*(4x - 2).

Guest May 4, 2023

0

143

1

Different initial stickers.

Together, Seth, Charlie, and Riordan owned 270 stickers. Seth handed Charlie 3/20 of his stickers and Riordan 2/5 of his stickers. All three boys had the same number of stickers after that. How did Charlie and Riordan initially have different numbers of read more ..

Guest May 4, 2023

0

121

3

+63

Geometric series problem

Levans writes a positive fraction in which the numerator and denominator are integers, and the numerator is 2 greater than the denominator. He then writes several more fractions. To make each new fraction, he increases both the numerator and the denominator read more ..

youngwolf May 4, 2023

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111

2

what is 1/5 divided by 1/2

what is 1/5 divided by 1/2

Guest May 4, 2023

0

151

1

Equation

Five times a number is divided by 7 more than the number. If the result is 0, then what was the original number?

Guest May 4, 2023

0

95

1

help plz

In the diagram below, P is a point inside square ABCD. Find x.

Guest May 4, 2023

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141

0

Simplify

Assuming that 3u + v neq 0, simplify (54u^2 v + 18uv^2)(9u + 3v).

Guest May 4, 2023

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140

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Simplify

Assuming that p neq 0 and q neq 0, simplify (pq^2)^3*(4pq^2)^(-3)*(2pq)^2*(2p^2*q^3)^2

Guest May 4, 2023

0

157

1

where is the frction key

where is the fraction key

Guest May 4, 2023

0

161

1

Help me with counting

Find the number of paths from A to I if each step must be in a right-ward direction. (For example, one possible path is A, C, D, F, H, I.

Guest May 4, 2023

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165

1

Help me

In the diagram below, SR = PQ = 20 and RT:TS = 2:3. Find UV.

Guest May 4, 2023

0

138

3

+62

Find the following constants A,B,C:

Find the constants A, B, C

Tacoflea May 4, 2023

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151

1

Simplify

Assuming that x neq -5 simplify (2x + 10)^4*(x + 5)^4.

Guest May 4, 2023

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