All Questions ⁺⁰234662 Questions

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24

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Trigonometry

Find the length AC, rounded to two decimal places.

Vxrtate Feb 16, 2024

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20

3

+0

Trigonometry

Find the length $BC$, to two decimal places.

CPhill ●●●

Vxrtate Feb 16, 2024

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3

3

+0

Trapezoid

Quadrilateral $PQRS$ is a trapezoid with bases $\overline{PQ}$ and $\overline{RS}$. The median $\overline{MN}$ meets the diagonals $\overline{PR}$ and $\overline{QS}$ at $X$ and $Y$, respectively. If $PS = QR$, then find $RY$. read more ..

EnormousBighead ●●●

Vxrtate Feb 16, 2024

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25

1

+0

HELP( I saw your last answer, but I need more help.)

Find the number of ordered triples (a,b,c) of integers such that 0≤a,b,c≤5 and
a^2b+b^2c+c^2a-ab^2-bc^2-ca^2=0

UniCorns555 Feb 16, 2024

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25

1

+400

Piecewise Function

The function f(x) is defined for 1 \le x \le 5 as follows:
-2x + 4 & \text{if }1 \le x \le 2, \\
5 - x & \text{if }2 < x \le 3, \\
9 - 2x & \text{if }3 < x \le 4, \\
6 - x & \text{if }4 < x \le read more ..

omgitsrne Feb 16, 2024

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2

1

+400

Floor Function

Find all values of t such that \lfloor t\rfloor = 3t + 4 - \lfloor 2t \rfloor. If you find more than one value, then list the values you find in increasing order, separated by commas.

omgitsrne Feb 16, 2024

0

3

1

+400

Sequences

Let a_1, a_2, a_3, \dots be a sequence. If
a_n = a_{n - 1} + a_{n - 2}
for all n \ge 3, and a_{11} = 4 and a_{10} = 1, then find a_6.

omgitsrne Feb 16, 2024

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22

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+556

Help plz

Three adults and three children are to be seated at a circular table. In how many different ways can they be seated if each child must be next to at least one adult? (Two seatings are considered the same if one can be rotated to form the read more ..

booboo44 Feb 16, 2024

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24

1

+556

Help counting

a) A baking club wants to form an executive committee. There are 12 people in the baking club, including Mark. In how many ways can the baking club form an executive committee with 2 people?
b) A baking club wants to form read more ..

booboo44 Feb 16, 2024

+1

24

1

+556

Probability question

A box contains 24 tiles. Each tile has certain properties:
Each tile is made of wood or plastic.
Each tile is red, yellow, or blue.
Each tile is a triangle, square, pentagon, or circle.
There is exactly one tile read more ..

booboo44 Feb 16, 2024

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18

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+1341

Equation

Evaluate a^3 - \dfrac{1}{a^3} if a^2 - a - 1 = 0.

kittykat Feb 16, 2024

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15

2

+1341

Function

Let
f(x) = \sqrt{x - \sqrt{x}}.
Find the largest three-digit value of x such that f(x) is an integer.

hairyberry ●●

kittykat Feb 16, 2024

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27

2

+1475

Help Algebra

Let a and b be the solutions to 5x^2 - 11x + 4 = 4x^2 + 12x - 13. Find 1/a^2 + 1/b^2.

parmen Feb 16, 2024

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24

1

+1475

Help with roots

Let u and v be the solutions to 3x^2 + 5x + 7 = 2x^2 + 9x - 17. Find
\frac{u^2}{v} + \frac{v^2}{u}.

parmen Feb 16, 2024

+3

16

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+157

Some Help with a Few Algebra Questions Please...

1. Find the constant such that is the square of a binomial.
2. Find the constant such that the quadratic has a double root.
3. The roots of are the same as the roots of . What is read more ..

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BlackjackEd Feb 16, 2024

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28

1

+1475

Algebra

Let a and b be the solutions to 7x^2 + x - 5 = 6x^2 - 11x - 2. Compute (a - 4) + (b - 4).

parmen Feb 16, 2024

Feb 15, 2024

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23

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Circles

Find the area of the region enclosed by the graph of the equation $x^2-14x+3y+70=15+9y-y^2$ that lies below the line $y=x-3$.

Vxrtate Feb 15, 2024

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21

1

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Need help

The equation of a circle in the coordinate plane can be written as $Ax^2 + 2y^2 + Bx + Cy = 50.$ The center of the circle is at $(-5,2)$. Let $r$ be the radius of the circle. Find A+B+C+r.

Vxrtate Feb 15, 2024

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17

1

+0

Coordinates problem

Triangle $ABC$ has vertices $A(2, 3),$ $B(1, -8)$ and $C(-3, 2).$ The line containing the altitude through $A$ intersects the point $(0, y).$ What is the value of $y$?

Vxrtate Feb 15, 2024

0

20

1

+1475

Quadratic Roots

Let a and b be the roots of the quadratic x^2 - 5x + 3 = 2x^2 + 15x - 10. Find the quadratic whose roots are a^2 + a + 1 and b^2 + b + 1.

parmen Feb 15, 2024

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21

2

+101

Trig Problem

In triangle $ABC$, point $X$ is on side $\overline{BC}$ such that $AX = 13,$ $BX = 10,$ $CX = 4,$ and the circumcircles of triangles $ABX$ and $ACX$ have the same radius. Find the area of triangle $ABC$.

Vxritate Feb 15, 2024

0

26

2

+1475

Quadratic roots

Let a and b be the roots of the quadratic 2x^2 - 8x + 7 = x^2 + 15x + 23. Compute a^4 + b^4.

parmen Feb 15, 2024

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33

3

+39

math

how do i figure this out?? ax^2+ read more ..

hi1234 Feb 15, 2024

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