All Questions ⁺⁰235720 Questions

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+834

Algebra

For what values of $j$ does the equation $(2x + 7)(x - 4) = -31 + jx$ have exactly one real solution? Express your answer as a list of numbers, separated by commas.

gnistory Sep 24, 2024

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5

1

+834

Algebra

Find the value of $v$ such that $\frac{-21-\sqrt{201}}{10}$ a root of $5x^2+21x+v = 0$.

gnistory Sep 24, 2024

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7

1

+834

Algebra

Will and Grace are canoeing on a lake. Will rows at $50$ meters per minute and Grace rows at $30$ meters per minute. Will starts rowing at $2$ p.m. from the west end of the lake, and Grace starts rowing from the east end of the lake at $2{:}45$ p.m. read more ..

gnistory Sep 24, 2024

-1

2

1

+544

Algebra

Find the ordered triple (p,q,r) that satisfies the following system:
p - 2q = 3
q - 2r = -2 + q
p + r = 9 + p read more ..

cooIcooIcooI17 Sep 24, 2024

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4

1

+544

Algebra

One ordered pair (a,b) satisfies the two equations ab^4 = 48 and ab^2 = 4. What is the value of b in this ordered pair? (Note: you may have to use the Tab key to get your cursor into the middle answer box.)

cooIcooIcooI17 Sep 24, 2024

0

6

1

+544

Algebra

Find the coefficient of y^4 in the expansion of (2y-5+3y^2)^6.

cooIcooIcooI17 Sep 24, 2024

0

7

0

+544

Algebra

Find all real numbers a that satisfy \frac{1}{64a^3 + 7} - 7 = 0.

cooIcooIcooI17 Sep 24, 2024

0

3

1

+544

Algebra

Real numbers a and b satisfy
a + ab = 250
a - ab = -240
Enter all possible values of a, separated by commas.

cooIcooIcooI17 Sep 24, 2024

0

3

0

+85

Solving Compound Inequalities

Kevin is baking bread for a family function. The initial temperature of the oven is twice the room temperature. He knows that yeast, a key ingredient, thrives within the temperature range of 90° F to 95° F. So to facilitate yeast growth, Kevin decreases read more ..

Alyssiaca Sep 24, 2024

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4

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+952

Counting

Consider a house with a finite number of rooms. Some of the rooms have an even number of doors, and some of the rooms have an odd number of doors. In the house below, how many doors are there from the house to the outside world?

Hi6942O Sep 24, 2024

0

4

0

+85

Solving Compound Inequalities

A baker is purchasing ingredients for the next day. She needs to bake between 32 and 48 loaves of bread. Each loaf requires 3.5 cups of flour plus an additional 0.25 cup for dusting. Complete the statement to describe the amount of flour she should buy read more ..

Alyssiaca Sep 24, 2024

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7

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+85

Which values are in the solution set to this inequality?

Which values are in the solution set to this inequality?
3x/4 <9 and - x/6>_ -3

Alyssiaca Sep 24, 2024

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7

0

+952

Counting

Twelve points are given in the plane, so that no three points lie on the same line.
Five distinct segments joining pairs of these points are chosen at random, with all \binom{12}{2} = 66 such segments equally likely to be chosen. What read more ..

Hi6942O Sep 24, 2024

0

7

0

+952

Counting

A standard 8 times 8 chessboard has 64 unit squares.
Eight rooks are randomly placed on different squares of a chessboard. A rook is said to attack all of the squares in its row and its column.
Compute the probability read more ..

Hi6942O Sep 24, 2024

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6

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+704

Geometry

Find the area of triangle $ABC$ if $AB = 6,$ $BC = 8,$ and $\angle ACB = 30^\circ$

booboo44 Sep 24, 2024

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7

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+704

Geometry

In triangle $ABC,$ let the angle bisectors be $\overline{BY}$ and $\overline{CZ}$. Given $AB = 14$, $AY = 14$, and $CY = 8$, find $BZ$.

booboo44 Sep 24, 2024

0

6

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+704

Geometry

In triangle $ABC,$ let the angle bisectors be $\overline{BY}$ and $\overline{CZ}$. Given $AB = 14$, $AY = 14$, and $CY = 8$, find $BC$.

booboo44 Sep 24, 2024

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2

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+1222

Geometry

Find the circumradius of triangle ABC.

learnmgcat Sep 24, 2024

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8

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+1222

geometry

Find the inradius of triangle ABC.

learnmgcat Sep 24, 2024

Sep 23, 2024

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6

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+834

Geometry

In triangle $ABC,$ $\angle B = 90^\circ.$ Point $X$ is on $\overline{AC}$ such that $\angle BXA = 90^\circ,$ $BC = 15,$ and $CX = 5$. What is $BX$?

gnistory Sep 23, 2024

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7

1

+834

Geometry

In triangle $ABC$, point $D$ is on side $\overline{AC}$ such that line segment $\overline{BD}$ bisects $\angle ABC$. If $\angle A = 45^\circ$, $\angle C = 45^\circ$, and $AC = 12$, then find the area of triangle $ABD$.

gnistory Sep 23, 2024

0

2

1

+4

could somebody help? thanks :) answer is 54 but idk how to get there

Ava’s father George picks her up at the train station when she comes home from school, then George drives Ava home. They always return home at 5:00 pm. One day Ava left school early and got to the train station an hour early. She then started walking home. read more ..

mrdoggyrules789 Sep 23, 2024

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