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245

algebra

Let c be a real number, and consider the system of quadratic equations
y = 6x^2 - 9x + c - x^2 - x
y = 5x^2 - 3x + x^2 + 2x

For which values of c does this system have:
(a) Exactly one real solution (x,y)
(b) More than read more ..

Guest Sep 2, 2022

253

please help algebra

Let a and b be real numbers such that a + b = 4 and a^4 + b^4 = 16.
(a) Find all possible values of ab
(b) Find all possible values of a + b
(c) Find all possible values of a and b

Guest Sep 2, 2022

326

+660

pls help!

Compute

Pls make it a fractional answer

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Keihaku Sep 2, 2022

247

expressions

Which expression is equivalent to the expression representing this situation?
3.5x+100/x - 2.5x+120/x
A.x+220/x
B.x-120 read more ..

Guest Sep 2, 2022

348

help. expressions

what is the simplest form of this expression?
x-3/x-1 + 6/x-3
A. x^2+12x+15/(x-1)(x-3)
B. x^2-6x+3/(x-1)(x-3) read more ..

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Guest Sep 2, 2022

283

+91

a) How many three-digit multiples of 5 have three different digits?

a) How many three-digit multiples of 5 have three different digits?
b) How many three-digit multiples of 5 have three different digits and an odd tens digit?

How could i count both the cases cuz the last digit has read more ..

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cosign Sep 2, 2022

356

What is the smallest number larger than 3456 who's digits add up to 12.

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Guest Sep 2, 2022

344

+99

please help quickly

The polynomial is divisible by . Find .

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WorldEndSymphony Sep 2, 2022

351

+660

Pls help!

Compute

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Keihaku Sep 2, 2022

343

+660

I need helpppp

Evaluate the following expression.

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Keihaku Sep 2, 2022

381

+660

Simplify ∛324000! Pls try to make it a fraction not decimal

Simplify ∛324000

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Keihaku Sep 2, 2022

259

Mathematics help

There are 5 cats, 8 dogs, and 12 other kinds of pets in the Dress Up Your Pet Day parade. What is the chance that one of the dogs will win the first place ribbon?

Guest Sep 2, 2022

329

what’s the radius of its orbit

A centripetal force of 150 N acts on a 1,500 kg satellite moving with a speed of 4,600 m/s in a circular orbit around a planet. What is the radius of its orbit in meters?

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Guest Sep 2, 2022

Sep 1, 2022

320

help.

An airplane has a length of 85.4 feet. A scale model of the airplane has a length of 12.2 inches and a wingspan of 12.5 inches. What is the wingspan (in feet) of the actual airplane?

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Guest Sep 1, 2022

306

help algebra

For a real number r, let s(r) denote the set of real numbers that can be expressed in the form
a1 r + a2 r^2 + a3 r^3 + ...
with an infinite number of terms, where ai in {0,1}
(a) Show that 1/2 an element in S(1/4)
(b) Show that 1/5 read more ..

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Guest Sep 1, 2022

333

geometric series

The sum of a certain infinite geometric series is 2. The sum of the squares of all the terms is 4. Find the common ratio.

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Guest Sep 1, 2022

319

A motorboat maintained a constant speed of 30 miles per hour relative to the water in going 20 miles upstream and then returning. The

A motorboat maintained a constant speed of
30
miles per hour relative to the water in going
20
miles upstream and then returning. The total time for the trip was <#> 1.5 <#> hours. Use this information to find read more ..

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Guest Sep 1, 2022

267

expressions

3.5x+100/x - 2.5x+120/x
Which expression is equivalent to the expression representing this situation?
A.6x+220
B.x-20/x read more ..

Guest Sep 1, 2022

312

whats an irrational number

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Guest Sep 1, 2022

382

help i need it now PLEASE

Consider the system of quadratic equations y = 3x^2 - 5x,
read more ..

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Guest Sep 1, 2022

344

plzz help

Find

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Guest Sep 1, 2022

331

Find the nth term of a sequence whose first several terms are given: 1/3, 4/5, 9/7, 16/9...

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Guest Sep 1, 2022

343

Pls Help! Thanks

One of the five quadratics below has a repeated root. (The other four have distinct roots.) What is the repeated root?

It would be great if you could help me with this.
read more ..

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Guest Sep 1, 2022

359

Help

The price of a stock decreased by in 2001, and then decreased by in read more ..

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Guest Sep 1, 2022

All Questions ⁺⁰238459 Questions

algebra

please help algebra

pls help!

expressions

help. expressions

a) How many three-digit multiples of 5 have three different digits?

What is the smallest number larger than 3456 who's digits add up to 12.

please help quickly

Pls help!

I need helpppp

Simplify ∛324000! Pls try to make it a fraction not decimal

Mathematics help

what’s the radius of its orbit

help.

help algebra

geometric series

A motorboat maintained a constant speed of 30 miles per hour relative to the water in going 20 miles upstream and then returning. The

expressions

whats an irrational number

help i need it now PLEASE

plzz help

Find the nth term of a sequence whose first several terms are given: 1/3, 4/5, 9/7, 16/9...

Pls Help! Thanks

Help

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