All Questions ⁺⁰230925 Questions

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+136

All the other answers are wrong :(

In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may not sit next to each other in the same row?

Lilliam0216 Apr 23, 2024

+1

2

1

+971

Geometry

A rectangle contains a strip of width $1,$ as shown below. Find the area of the strip.

Akhain1 Apr 23, 2024

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+776

need help

Let a and b be real numbers such that a^3 + 3ab^2 = 679 and 3a^3 - ab^2 = 615. Find a - b.

LiIIiam0216 Apr 23, 2024

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4

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+971

Geometry

Point $P$ is on side $\overline{AC}$ of triangle $ABC$ such that $\angle APB =\angle PBA$, and $\angle ABC - \angle ACB = 24^\circ$. Find $\angle PBC$ in degrees.

Akhain1 Apr 23, 2024

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+776

need help

Find the coefficient of u^2*v^9 in (2u - 3*v^3)*5*(3u^3 - 2v^5)^3.

LiIIiam0216 Apr 23, 2024

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2

1

+136

pls help

Franklin the fly starts at the point (0, 0) in the coordinate plane. At each point, Franklin takes a step to the right, left, up, or down. After 12 steps, how many different points could Franklin end up at?

Lilliam0216 Apr 23, 2024

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4

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+776

help me

Expand (x^2 + 1/x)*(x + x^4)^3.

LiIIiam0216 Apr 23, 2024

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2

1

+136

Rlly confusing

Find the number of ways of choosing three circles below, so that no two circles are next to each other.
There are 12 circles, in the shape of a circle.
[asy]
unitsize(1 cm);
int i;
for (i = 0; i <= 11; ++i) {
draw(Circle(2*dir(360/12*i),0.3));<#> read more ..

Lilliam0216 Apr 23, 2024

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4

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+4

stat help

You may need to use the appropriate technology to answer this question.
The competitive advantage of small American factories such as Tolerance Contract Manufacturing lies in their ability to produce parts with highly narrow requirements, or tolerances, read more ..

loook Apr 23, 2024

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4

1

+866

Quadratic

For an integer n, the inequality
x^2 + nx + 15 < -89 - 3x^2
has no real solutions in $x$. Find the number of different possible values of $n$.

ABJeIIy Apr 23, 2024

0

3

1

+866

help plz

Find the coordinates of the center of the circle.

ABJeIIy Apr 23, 2024

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4

1

+866

Parabola

The parabola $y = ax^2 + bx + c$ is graphed below. Find $a \cdot b \cdot c.$ (The grid lines are one unit apart.) read more ..

ABJeIIy Apr 23, 2024

0

3

1

+866

need help

The graph of $y = ax^2 + bx + c$ has an axis of symmetry of $x = 2.$ If $(4,7)$ lies on the graph, find another point on the graph.

ABJeIIy Apr 23, 2024

+1

3

3

+20

pls help me

Find the area of the region enclosed by the graph of x^2+y^2=2x-6y+6+4x-4y+12

gaberiellz Apr 23, 2024

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3

1

+275

Geometry

In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$

Pythagorearn Apr 23, 2024

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1

+275

Geometry

In the diagram below, SR = PQ = 20 and RT:TS = 2:5. Find UV.

Pythagorearn Apr 23, 2024

Apr 22, 2024

0

3

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+275

Geometry

Trapezoid $ABCD$ is inscribed in the semicircle with diameter $\overline{AB}$, as shown below. Find the radius of the semicircle. Find the area of ABCD.
PQDC is a square. read more ..

Pythagorearn Apr 22, 2024

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+275

Geometry

Points $L$ and $M$ lie on a circle $\omega_1$ centered at $O$. The circle $\omega_2$ passing through points $O,$ $L,$ and $M$ is drawn. If the measure of arc $LM$ in circle $\omega_1$ is $90^\circ,$ and the radius of $\omega_1$ is 1, then find read more ..

Pythagorearn Apr 22, 2024

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+14

pre-calc question- please help

Convert the function into rectangular form. Show all work for credit.

FireflySky Apr 22, 2024

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4

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+275

Geometry

Trapezoid $HGFE$ is inscribed in a circle, with $\overline{EF} \parallel \overline{GH}$. If arc $GH$ is $66$ degrees, arc $EH$ is $x^2 + 8x$ degrees, and arc $FG$ is $25 + 16x$ degrees, where $x > 0,$ find arc $EPF$, in degrees.

Pythagorearn Apr 22, 2024

0

3

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+275

Geometry

The diagram below consists of a small square, four equilateral triangles, and a large square. Find the area of the large square.

Pythagorearn Apr 22, 2024

+1

2

1

+275

Geometry

A sector of a circle is shown below. The sector has an area of $60 \pi.$ What is the radius of the circle? read more ..

Pythagorearn Apr 22, 2024

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3

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+866

Algebra

Fill in the blanks to make a true equation:
1/(n(n + 3)(n + 5)) = __/n + ___/(n + 3) + ___/(n + 5)

ABJeIIy Apr 22, 2024

0

2

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+866

Algebra

Compute
\frac{1}{1 \times 4} + \frac{1}{4 \times 7} + \frac{1}{7 \times 12}

ABJeIIy Apr 22, 2024

0

3

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+866

Algebra

Compute
1 + \frac{3}{6} + \frac{5}{6^2}

ABJeIIy Apr 22, 2024

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