All Questions ⁺⁰237779 Questions

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137

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Simplify

Assuming that x \neq -3, simplify (8x - 4)(x + 3) - (4x - 44)(2x + 6).

Guest May 6, 2023

May 5, 2023

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172

3

+63

even more more more geometric series and sequences

youngwolf May 5, 2023

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140

2

+63

even more geometric series and sequences

youngwolf May 5, 2023

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156

1

+63

more geometric series and sequences

Fill in the blanks to make a true equation:
(the question marks are the blanks, and the two question marks don't have to be the same number)

youngwolf May 5, 2023

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134

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Need help plz

In triangle PQR, let X be the intersection of the angle bisector of angle P with side QR, and let Y be the foot of the perpendicular from X to line PR. If PQ = 9, QR = 9, and PR = 9, then compute the length of XY. read more ..

Guest May 5, 2023

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158

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Geometry

Triangle ABC is a right triangle with ∠BAC = 90° and ∠B > ∠C. If AP is an altitude of the triangle, AQ is an angle bisector of the triangle, and AR is a median of the triangle, and ∠PAQ = 13°. If P is on BQ, then what is the measure of ∠RAC?

Guest May 5, 2023

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138

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pre-calculus

3 Given △ ABC,a=20 in, b=15 in., m ∠ C=35
A.133.5 in
B.280.9in
C.11.6 in read more ..

Guest May 5, 2023

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132

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Equations

1. Find all real numbers a that satisfy \frac{1}{64a^3 + 7} - 7 = 0.
2. Find all values of a that satsify the equation \frac{a}{3} + 1 = \frac{a + 3}{a} + 1.

Guest May 5, 2023

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155

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help plz

This is some very hard geometry
Triangle XYZ is equilateral. Points Y and Z lie on a circle centered at O, such that X is the circumcenter of triangle OYZ, and X lies inside triangle OYZ. If the read more ..

Guest May 5, 2023

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146

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Solve

Solve for x: \frac(3x + 12)(x + 4) = (4x^2 + 8x + 18x^2)(2x).

Guest May 5, 2023

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141

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Help plz

Need help with 3d
In tetrahedron ABCO, angle AOB = angle AOC = angle BOC = 90^\circ. A cube is inscribed in the tetrahedron so that one of its vertices is at O, and the opposite vertex lies on face ABC. Let OA = 1, OB read more ..

Guest May 5, 2023

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140

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Basic Geometry

1. Find the area of triangle ABC if AB = 6, BC = 8, and angle ABC = 90 degrees.
2. If angle ABC = 135 degrees, and angle ACB = 30 degrees, what is angle BAC?

Guest May 5, 2023

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138

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What is the surface area of this cone?

What is the surface area of this cone?
Use 𝜋 ≈ 3.14 and round your answer to the nearest hundredth.
3 in
height 3 in r 1
square inches read more ..

Guest May 5, 2023

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133

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Solve

Solve 3a + 4b = 5a - 6b + 24 - 3a for a in terms of b.

Guest May 5, 2023

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130

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Fractions

An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/2 full. What is the total capacity of the aquarium tank, in gallons?

Guest May 5, 2023

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134

2

pls halp

Let $a_1, a_2, a_3,\dots$ be an arithmetic sequence. If $a_1 + a_3 + a_5 = -12$ and $a_1a_3a_5 = 80$, find all possible values of $a_{10}$.

Guest May 5, 2023

0

142

3

+214

Quadratic optimization

The real numbers a, b, c, and d satisfy .
Find the value of d.
I know that there is some sort of quadratic or factorization identity that will make this problem easy, but I do not know what it is.
Thanks in advance read more ..

gb1falcon May 5, 2023

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136

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need help

In the diagram below, SR = PQ = 20 and RT:TS = 2:3. Find UV.

Guest May 5, 2023

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147

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Help hard math

Two points on a circle of radius 1 are chosen at random. Find the probability that the distance between the two points is at most 1.5.

Guest May 5, 2023

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139

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help with geo

In the diagram below, PQRS is a parallelogram with a perimeter of 26 and an area of 28. What is the perimeter of rectangle OSTQ? Include an explanation of how you solved the problem.

Guest May 5, 2023

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150

1

3(2n–4)– 1 4 n= 3 4 (n+4) n=

3
(
2
n read more ..

Guest May 5, 2023

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