All Questions

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158

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are u up for a challenge then answer this question

show that 8-3sin x cos x tan x can be writen in the form acos^2 x +b are integers
thank you

Guest Apr 30, 2022

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265

1

Parabola

The x-intercepts of the parabola y = x^2 + bx + c are (-3,0) and (-5,0) Find the equation of the parabola, and submit your answer in y = x^2 + bx + c form.

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Guest Apr 30, 2022

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299

1

plz help

pls help thanks

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Guest Apr 30, 2022

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291

2

pls help

y=8ax^3+6/x
y has a minimum value when x=0.5
work out the value of a

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Guest Apr 30, 2022

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316

1

+51

Plz help! Geometry!

In triangle ABC, AB=BC=5, and CA=6
Triangle ABC is first rotated clockwise about A for 90 degrees to triangle AB_1C_1
Triangle AB_1C_1 is then reflected over line B_1C_1 to triangle A_1B_1C_1
Triangle A_1B_1C_1 read more ..

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CCeed Apr 30, 2022

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171

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Hard Geometry Problem!

Hi I have a geometry problem.
https://i.stack.imgur.com/exSG5.png

If the image does not work, the link to the image is given above. Thanks. read more ..

Guest Apr 30, 2022

0

294

5

aAAA

Let r and s be the roots of 3x^2 + 4x -12=0. Find r^2+s^2

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Guest Apr 30, 2022

0

246

1

Geometry

In triangle ABC, AB=BC=5, and CA=6
Triangle ABC is first rotated clockwise about A for 90 degrees to triangle AB_1C_1
Triangle AB_1C_1 is then reflected over line B_1C_1 to triangle A_1B_1C_1
Triangle A_1B_1C_1 read more ..

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Guest Apr 30, 2022

0

432

2

+51

Geo question!

In triangle XYZ, XY=20, YZ=15, and XZ=25. Y is reflected over line XZ to Y'. Find YY'.

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CCeed Apr 30, 2022

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277

1

Function

Let f(x)=3x^2 - 4x - x^2 + 7x + 8. Find the constant k such that f(x)=f(k-x) for all real numbers x.

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Guest Apr 30, 2022

0

279

1

binomial

Find all possible values for the missing number (__) that make this expression the square of a binomial.
x^2+18x+__
If you find more than one, then list the values separated by commas.

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Guest Apr 30, 2022

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248

1

binomial

What non-zero integer must be placed in the square so that the simplified product of these two binomials is a binomial: $(3x+2)(18x-\Box )$?

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Guest Apr 30, 2022

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183

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Decimals

There exist several positive integers x such that 1/(x^2 + 2x) is a terminating decimal. What is the second smallest such integer?

Guest Apr 30, 2022

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261

1

geometry

Consider the grid of points shown below. Find the area of the pink region.

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Guest Apr 30, 2022

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175

0

triangles

D is on side AB of ABC. We know ABC ~ ACD. What is angle B in degrees?

Guest Apr 30, 2022

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271

1

triangles

Find SR and QR. Enter them in the boxes below, in that order.

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Guest Apr 30, 2022

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265

1

digits

Find the last two digits of the following sum: 5 + 10 + 15 + \cdots + 100.

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Guest Apr 30, 2022

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265

1

Coordinates

A quadrilateral has four points A(0,1), B(1,-3), C(5,-2) and D(4,0) as coordinates What is the area of quadrilateral ABCD?

BuilderBoi ●

Guest Apr 30, 2022

0

266

1

Number Theory

For how many positive integer values of n is 3^n a factor of ?

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Guest Apr 30, 2022

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261

1

Let V = (0,3,2) and A = (-1,0,1). Let P be the point on the line passing through A with direction vector (1,1,1) that is closest to V.

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Guest Apr 30, 2022

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347

1

koobits question

Raj has $2356. Ahmad has 7 times as much money as Raj. How much money does Ahmad have?

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Guest Apr 30, 2022

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278

1

weird geometry

A circle with radius 2 is translated 5 units. What is the perimeter of the region swept out by the circle?

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Guest Apr 30, 2022

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288

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System

Find all pairs (x,y) of real numbers such that x + y = 10 and x^2 + y^2 = 56 + 2xy.
For example, to enter the solutions (2,4) and (-3,9), you would enter "(2,4),(-3,9)" (without the quotation marks).

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Guest Apr 30, 2022

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292

3

Number Theory

How many positive three-digit integers with each digit greater than 4 are divisible by 8?

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Guest Apr 30, 2022

0

361

2

help with counting

In how many ways can the digits of 45,520 be arranged to form a 5-digit number that is even?

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Guest Apr 30, 2022

All Questions ⁺⁰236369 Questions

are u up for a challenge then answer this question

Parabola

plz help

pls help

Plz help! Geometry!

Hard Geometry Problem!

aAAA

Geometry

Geo question!

Function

binomial

binomial

Decimals

geometry

triangles

triangles

digits

Coordinates

Number Theory

Let V = (0,3,2) and A = (-1,0,1). Let P be the point on the line passing through A with direction vector (1,1,1) that is closest to V.

koobits question

weird geometry

System

Number Theory

help with counting

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