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574

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The graph of a certain quadratic y = ax^2 + bx + c is a parabola with vertex (-4,0) which passes through the point (1,-75). What is the value of a?

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Guest Apr 15, 2020

0

2245

1

stat quiz answer please

It is reported that 77% of workers aged 16 and over drive to work alone. Choose 8 workers at random. If X represents the random variable of driving to work alone, the following table depicts the probabilities for this case.

Find the read more ..

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Guest Apr 15, 2020

0

452

1

help

What is the area of the irregular figure

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Guest Apr 15, 2020

0

480

1

help

Find the third side in simplest radical form.

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Guest Apr 15, 2020

0

695

1

Two numbers $90$ and $m$ share exactly three positive divisors. What is the greatest of these three common divisors?

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Guest Apr 15, 2020

0

444

1

help

What is the surface area of the triangular prism ?

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Guest Apr 15, 2020

0

571

1

help

Find the area of the shaded sector to the nearest hundredth.

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Guest Apr 15, 2020

-3

607

1

+318

Please help

Cant seem to graph this correctly...

y= -5 tan [4 (x+pi/3)]
read more ..

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mharrigan920 Apr 15, 2020

0

622

6

HELP!!

P is a point outside of equilateral triangle ABC. PA=3, PB=4, PC=5. Find AB.

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Guest Apr 15, 2020

0

599

1

+288

Area

-----Thanks!

Pre Calc

Find the height of a pine tree that casts a 88-foot shadow on the ground if the angle of elevation of the sun is 27 degrees 25'

The height of the pine tree is approx ___ ft????

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mharrigan920 Apr 15, 2020

-3

513

0

+318

Pre Calc PLS HELP

The point below is on the terminal side of an angle 0. Find the exact values of the six trigonometric functions of angle.

(8,-3)
read more ..

mharrigan920 Apr 15, 2020

0

618

2

+980

Let Find the function k(x) such that f(x) is its own inverse function.

LetFind the function k(x) such that f(x) is its own inverse function.

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qwertyzz Apr 15, 2020

0

676

1

+980

What is the value of if x=2?

What is the value ofif x=2?

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qwertyzz Apr 15, 2020

0

883

1

+980

The first three terms of an arithmetic sequence are 1, 10 and 19, respectively. What is the value of the 21st term?

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qwertyzz Apr 15, 2020

0

417

0

I don't quite get this....

ZX and WY are secants of cirlce V, as shown below.

Guest Apr 15, 2020

0

650

1

+78

Help With Math Question

Solve the linear Diophantine equation 11x - 13y = 1 using Euclid's algorithm.
I did this:
First, start with Euclid's algorithm.
13/11
13 = 11(1) + 2
2 = 13(1) + 11(-1)
11/2 <#> 11 = 2(5) + 1 <#> 1 = 11(1) + 2(-5) <#> Ok, now read more ..

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Frooglie Apr 15, 2020

+1

604

1

+288

Angles Question

-----Thanks!

please help!

A tower casts a shadow that is 60 feet long when the angle of elevation of the sun is 65°. how tall is the tower?

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Guest Apr 15, 2020

0

579

1

help

in how many different ways can 4 boys and 3 girls be arranged in a row such that all boys stand together and all girls stand together

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Guest Apr 15, 2020

0

367

0

help

A rectangular garden has an area of 24 square meters. The width is 8 meters less than twice the length. Find the dimensions of the garden

Guest Apr 15, 2020

0

452

1

I need help.

A quadratic of the form has roots of and The graph of is a parabola. Find the vertex of this parabola.

I don't know where to start with this, let alone solve it.
Can someone please explain to me? read more ..

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Guest Apr 15, 2020

0

533

1

Prove that if are complex numbers such that and , then is a real number.

Prove that if are complex numbers such that and , then is a real number.

Could I get a thorough explaination for each step?

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Guest Apr 15, 2020

0

546

5

HELP

Find all functions that satisfy for all nonzero x.

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Guest Apr 15, 2020

All Questions ⁺⁰237665 Questions

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stat quiz answer please

help

help

help

help

Please help

HELP!!

Area

Pre Calc

Pre Calc PLS HELP

Let Find the function k(x) such that f(x) is its own inverse function.

What is the value of if x=2?

The first three terms of an arithmetic sequence are 1, 10 and 19, respectively. What is the value of the 21st term?

I don't quite get this....

Help With Math Question

Angles Question

please help!

help

help

I need help.

Prove that if are complex numbers such that and , then is a real number.

HELP

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