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138

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.

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Guest Apr 30, 2023

-1

159

PLS HELP ASAP

Q1. For , the amount of U.S. federal tax owed is a function of taxable income :
\[T(d) = \begin{cases}
0.1d & \text{if}~d \le 9875, \\
0.12(d-9875) + 987.5 & \text{if}~ 9876 \le d \le 40125, \\ read more ..

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Guest Apr 30, 2023

+10

139

+215

I discovered a website called Brainly:

I just discovered a website called Brainly: read more ..

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xud33 Apr 30, 2023

139

Simplify

Simplify the expressionab^2 + 3a^3b - ab^2 + ab^2 - a^3*b - 4a^3b + 2a^3b - ab^2.

Guest Apr 30, 2023

146

Simplify

Assuming that 3u + v neq 0, simplify (54u^2 v + 18uv^2)(9u + 3v).

Guest Apr 30, 2023

162

a sw gauge has 50 divisions on its circular scale. the pitch of the sw gauge is 0.5 mm. what is its least count?

a s***w gauge has 50 divisions on its circular scale. the pitch of the s***w gauge is 0.5 mm. what is its least count?

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Guest Apr 30, 2023

164

help help

Help I don't know how to count
In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly read more ..

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Guest Apr 30, 2023

166

help plz

What is the smallest distance between the origin and a point on the graph of y = 1/2*(x^2 - 18)?

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Guest Apr 30, 2023

145

Solve

Solve 3a + 4b = a - 8b + 24 - a + 8b for a in terms of b.

Guest Apr 30, 2023

Algebra

We are looking to factor $23x^2 + kx - 5.$ Some values of $k$ allow us to factor it as a product of linear binomials with integer coefficients. What are all such values of $k?$

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Guest Apr 30, 2023

129

Plz help

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 ..

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Guest Apr 30, 2023

143

Complex numbers

Can anyone help?
Describe all solutions to zw - 3w - 2iw + 4z = 7iw + 5w + 11iz - 13 + 15i
where z and w are complex numbers.

Guest Apr 30, 2023

Apr 29, 2023

105

+2668

Hard Competition Geometry Problem

Compute the length of the shortest path that starts at the origin, touches the line y = 2x - 4, and then ends at (0, 1).
I now know the answer but don't know how to solve it. Any help would be appreciated!

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BuilderBoi Apr 29, 2023

142

Help how to solve

How do you solve this it's hard
When it rains, every student in Margo's school brings a raincoat, an umbrella, or both. And 10% of the students bring both. The total number of umbrellas brought is equal to twice the number read more ..

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Guest Apr 29, 2023

148

Help me

Help I'm bad at geometry
A certain square and a certain equilateral triangle have the same perimeter. The square and triangle are inscribed in circles, as shown below. If A is the area of the square and B is the area of the triangle, read more ..

Guest Apr 29, 2023

145

help quick

Help I need the answer
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 read more ..

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Guest Apr 29, 2023

133

counterexamples

If x is an integer, then –x is a negative number.

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Guest Apr 29, 2023

144

help plz

In triangle AB, let the angle bisectors be BY and CZ. Given AB = 16, AY = 16, and CY = 16, find BC and BZ.

Guest Apr 29, 2023

171

help help

I need help with geometry
In square ABCD, P is on BC such that BP = and PC = , and Q is on CD such that BQ = and QC = . Find sin angle PAQ.

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Guest Apr 29, 2023

+11

149

+215

Thanks a lot if you helped!

Convert to rectangular form.

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xud33 Apr 29, 2023

117

+215

I need help fast!!!!!

Find the range of the function All functions are in radians.

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xud33 Apr 29, 2023

+10

143

+215

Help

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xud33 Apr 29, 2023

+11

+215

Help please!!!!!

Steve has one quarter, two nickels and three pennies. Assuming no items are free, for how many different-priced items could Steve individually pay for with exact change?

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xud33 Apr 29, 2023

141

+42

Please help, thanks in advance

A projectile is fired with an initial velocity of $v$ at an angle of $\theta$ from the ground. Then its trajectory can modeled by the parametric equations \begin{align*} x &= vt \cos \theta, \\ y &= vt \sin \theta - \frac{1}{2} gt^2, \end{align*}where read more ..

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lpieleanu Apr 29, 2023

169

Help plz

I don't get triangles
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?

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Guest Apr 29, 2023

All Questions ⁺⁰237827 Questions

Equations

PLS HELP ASAP

I discovered a website called Brainly:

Simplify

Simplify

a sw gauge has 50 divisions on its circular scale. the pitch of the sw gauge is 0.5 mm. what is its least count?

help help

help plz

Solve

Algebra

Plz help

Complex numbers

Hard Competition Geometry Problem

Help how to solve

Help me

help quick

counterexamples

help plz

help help

Thanks a lot if you helped!

I need help fast!!!!!

Help

Help please!!!!!

Please help, thanks in advance

Help plz

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