All Questions ⁺⁰235719 Questions

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45

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+1768

Frustum

Let $APQRS$ be a pyramid, where the base $PQRS$ is a square. The total surface area of pyramid $APQRS$ (including the base) is $800$. Let $W$, $X$, $Y$, and $Z$ be the midpoints of $\overline{AP}$, $\overline{AQ}$, $\overline{AR}$, and $\overline{AS}$, read more ..

bader Feb 4, 2024

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24

1

+1768

Pyramids

Let $ABCD$ be a regular tetrahedron. Let $E$, $F$, $G,$ $H$ be the centers of faces $BCD$, $ACD$, $ABD$, $ABC$, respectively. The volume of pyramid $DEFG$ is $18.$ Find the volume of pyramid $EFGH$

bader Feb 4, 2024

0

29

0

+1768

Solid geo

Donatello starts with a marble cube. He then slices a pyramid off each corner, so that in the resulting polyhedron, all the edges have the same side length. If the side length of the original cube is $6$, then find the volume of the resulting read more ..

bader Feb 4, 2024

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19

1

+0

Complex Number Problem

The polynomial P(x) is a monic, quartic polynomial with real coefficients, and two of its roots are
and where . When the four roots of P(x) are plotted in the complex plane, they form a quadrilateral whose area is equal read more ..

MathIAExploration Feb 4, 2024

0

10

2

+101

Geometry problem

If x is an acute angle such that tan x + sec x = 2, find cos x.

Vxritate Feb 4, 2024

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32

1

+101

Some geometry problem

What's sin ABC if AB=BC=25 and AC=30

Vxritate Feb 4, 2024

Feb 2, 2024

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20

9

+0

3D Geometry

Plz Help!
1.

2.
<#> 3.<#> <#> read more ..

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Akhaim1 Feb 2, 2024

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31

5

+101

if theta is an acute angle and cos(theta)=7/25, what's sin(theta)?

if theta is an acute angle and cos(theta)=7/25, what's sin(theta)?

Imcool ●●●●●

Vxritate Feb 2, 2024

Feb 1, 2024

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44

1

+0

Subset question

how many non-empty subsets of {1,2,3,4,5} contain an element whose value is the number of elements in the subset?

ruiruima Feb 1, 2024

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24

3

+0

Absolute inequality question

|x - 7| + |x - 2| > 4

Imcool ●●●

wmath Feb 1, 2024

+1

18

10

+77

CPHILL PLEASE HELP

1. Fill in the blanks to make a quadratic whose roots are 5 and -3.
2. Let and be the roots of the quadratic Find the quadratic whose roots are and .
3. Let and be read more ..

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NotLatePY Feb 1, 2024

Jan 31, 2024

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23

1

+400

Geometry

In trapezoid $PQRS,$ $\overline{PQ} \parallel \overline{RS}$. Let $X$ be the intersection of diagonals $\overline{PR}$ and $\overline{QS}$. The area of triangle $PQX$ is $4,$ and the area of triangle $PSR$ is $8.$ Find the area of trapezoid PQRS. read more ..

omgitsrne Jan 31, 2024

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3

1

+400

Parallelogram

In parallelogram $EFGH,$ let $M$ be the point on $\overline{EF}$ such that $FM:ME = 3:5,$ and let $N$ be the point on $\overline{EH}$ such that $HN:NE = 2:5.$ Line segments $\overline{FH}$ and GM intersect at P, and line segments FH and GN intersect read more ..

omgitsrne Jan 31, 2024

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6

1

+400

Trapezoid

The area of a trapezoid is $80$. The length of one base is $4$ units greater than the other base, and the height of the trapezoid is $12$. Find the perimeter of the trapezoid.

omgitsrne Jan 31, 2024

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4

1

+400

Trapezoid

In trapezoid $ABCD,$ $\overline{AB} \parallel \overline{CD}$. Find the area of the trapezoid.
read more ..

omgitsrne Jan 31, 2024

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22

3

+0

3D Geometry

1.

2. There was another person who asked the first problem read more ..

Akhaim1 Jan 31, 2024

+1

29

2

+0

I can’t see melody on the scoreboard

I can't see melody on the scoreboard.

SoHardToGetANameLol Jan 31, 2024

-1

29

1

+1443

Algebra

Let u and v be the solutions to 3x^2 + 5x + 7 = 2x^2 + 5x - 19. Find \frac{u}{v} + \frac{v}{u}.

blackpanther Jan 31, 2024

-1

25

2

+1443

Quadratic Roots

Let a and b be the solutions to 5x^2 - 11x + 4 = 4x^2 + 11x + 13. Find \frac{1}{a} + \frac{1}{b}.

blackpanther Jan 31, 2024

0

5

1

+1443

Expand

Expand (a + 2)(3a^2 - 7a + 12)(a^2 + 2).

blackpanther Jan 31, 2024

-1

25

1

+1443

Quadratic

Fill in the blanks to make a quadratic whose roots are $5$ and $-5.$
x^2 + ___ x + ___

blackpanther Jan 31, 2024

-1

45

1

+94

Circuits Creation

How do i make not, nand, and, or circuits using only the same fundamental pieces. I can only use p and n type transistors as shown, nothing else allowed.

RandomUser Jan 31, 2024

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