All Questions ⁺⁰236341 Questions

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help with algebra

All members of our painting team paint at the same rate. If 20 members can paint a 2000 square foot wall in 40 minutes, then how long would it take the 20 members to paint a 6000 square foot wall, in minutes?

gnistory Jun 26, 2024

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13

1

+64

halp pls

Real numbers A and B satisfy: a + ab^2 = 250b, a - ab^2 = -240b enter all values of a, separated by commas.

ghistory Jun 26, 2024

0

10

3

+8

VERY DIFFICULT Remainder Problem with powers of 9. HELP NEEDED

Let . If M is rounded to the nearest integer and then divided by 100, what is the remainder? Any thoughts would be very appreciated! :)

mathlunatic Jun 26, 2024

0

23

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+703

Geometry

In triangle $ABC$, $AB = 7$, $AC = 17$, and the length of median $AM$ is $12$. Find the area of triangle $ABC$.

siIviajendeukie Jun 26, 2024

-2

23

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+204

Geometry

Semicircles are constructed on AB, AC, and BC. A circle is tangent to all three semicircles. Find the radius of the circle.

BRAlNBOLT Jun 26, 2024

-2

17

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+204

Geometry

In the diagram below, we have $AB = 24$ and $\angle ADB =90^\circ$. If $\sin A = \frac13$ and $\sin C = \frac12$, then what is $BC$?

BRAlNBOLT Jun 26, 2024

+1

13

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+845

help algebra

A mathematician works for t hours per day and solves p problems per hour, where and are positive integers. One day, the mathematician drinks some coffee and discovers that he can now solve 4p+5 problems per hour. In fact, he only works read more ..

gnistory Jun 26, 2024

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22

1

+845

help with percent

In a store window, there was a box of berries having a total weight of 200 kg. The berries were 99% water, by weight. After two days in the sun, the water content of the berries was only 90%, by weight. What was the total weight of read more ..

gnistory Jun 26, 2024

-2

15

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+204

Geometry

In triangle $ABC,$ $BC = 32,$ $\tan B = \frac{3}{5},$ and $\tan C = \frac{1}{4}.$ Find the area of the triangle.

BRAlNBOLT Jun 26, 2024

-2

20

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+204

Geometry

In triangle $ABC,$ $AB = 3,$ $AC = 5,$ $BC = 7,$ and $D$ lies on $\overline{BC}$ such that $\overline{AD}$ bisects $\angle BAC.$ Find $\cos \angle BAD.$

BRAlNBOLT Jun 26, 2024

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27

1

+845

help this is hard

The system of equations
\frac{xy}{x + y} = 1, \quad \frac{xz}{x + z} = 1, \quad \frac{yz}{y + z} = 2
has exactly one solution. What is $z$ in this solution?

gnistory Jun 26, 2024

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18

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+845

help help

Write the equation of the line below in the form Ax+By=C, where A, B, and C are integers with greatest common divisor 1 and A is positive.
The line passes through (-2,5) and (9,1).

gnistory Jun 26, 2024

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22

1

+845

help me plz

Fill in the blanks to make a quadratic whose roots are $1$ and $-1.$
x^2 + ___ x + ___

NotThatSmart ●

gnistory Jun 26, 2024

0

19

1

+845

I need help

Find the largest value of $x$ such that $3x^2 + 17x + 15 = 2x^2 + 21x + 12 - 5x^2 + 17x + 34.$

gnistory Jun 26, 2024

0

13

2

+64

halp

1
For certain values of k and m the system \begin{align*}
a + 2b &= -3, \\
4a + 2b &= k - a - mb
\end{align*}
has infinitely many solutions (a,b) What are k and m?
2 read more ..

ghistory Jun 26, 2024

0

11

3

+10

plsplspls help with question

1. Let be real numbers such that
What is the largest possible value of
2. Let be real numbers such that
What is the largest possible value of

sometimg5764 Jun 26, 2024

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15

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+845

Need help

I need help on algebra
Find the number of ordered pairs $(a,b)$ of integers such that
\frac{a + 2}{a + 1} = \frac{b}{3}.

gnistory Jun 26, 2024

0

11

1

+948

Number Theory

(This is a continuation of the problem above. See part (a) for an explanation of the planet Enigma and its currency.)
In how many ways can a resident of Enigma use only bills to purchase a single math book page that costs 5 confusions? read more ..

Rangcr897 Jun 26, 2024

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17

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+948

Number Theory

(This is a continuation of the problem above. See part (a) for an explanation of the planet Enigma and its currency.)
In how many ways can a resident of Enigma use only bills to purchase a gyroscope that costs $30$ confusions?
<read more ..

Rangcr897 Jun 26, 2024

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11

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+64

halp asap!

1 Sophie's favorite (positive) number is a two-digit number. If she reverses the digits, the result is less than her favorite number. Also, one digit is less than double the other digit. What is Sophie's favorite number?
2 Seven read more ..

ghistory Jun 26, 2024

0

15

1

+976

Algebra

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 ..

Hi6942O Jun 26, 2024

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24

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+976

Algebra

Evaluate the infinite geometric series
0.4 + 0.036 + 0.0000324 + ...
Express your answer as a fraction with integer numerator and denominator.

Hi6942O Jun 26, 2024

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21

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+948

Number Theory

On planet Enigma, the residents use a currency called the confusion. There are only two confusion bills on Enigma, one worth $7$ confusions and the other worth $12$ confusions. There are also some coins of smaller value, but each weighs over read more ..

Rangcr897 Jun 26, 2024

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26

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+976

Algebra

The equation of the line below can be expressed in the form
\frac{x}{a} + \frac{y}{b} = 1.
Find a.
The lines passes through (5,8) and (-4,17).

Hi6942O Jun 26, 2024

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