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Post New Question
All Questions
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230605 Questions
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119
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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
0
132
0
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
0
201
1
+656
pls help!
Compute
Pls make it a fractional answer
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Keihaku
Sep 2, 2022
0
121
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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
0
190
1
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
+1
242
4
+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
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cosign
Sep 2, 2022
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207
2
What is the smallest number larger than 3456 who's digits add up to 12.
What is the smallest number larger than 3456 who's digits add up to 12.
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Guest
Sep 2, 2022
0
207
1
+99
please help quickly
The polynomial is divisible by . Find .
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WorldEndSymphony
Sep 2, 2022
0
213
2
+656
Pls help!
Compute
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Keihaku
Sep 2, 2022
0
210
2
+656
I need helpppp
Evaluate the following expression.
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Keihaku
Sep 2, 2022
+1
246
4
+656
Simplify ∛324000! Pls try to make it a fraction not decimal
Simplify ∛324000
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Keihaku
Sep 2, 2022
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126
0
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
0
214
1
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
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208
1
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
0
160
1
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
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Guest
Sep 1, 2022
0
176
1
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
0
177
1
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
0
131
0
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
0
196
2
whats an irrational number
whats an irrational number
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Guest
Sep 1, 2022
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243
1
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
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200
1
plzz help
Find
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Guest
Sep 1, 2022
0
179
1
Find the nth term of a sequence whose first several terms are given: 1/3, 4/5, 9/7, 16/9...
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
0
216
2
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
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219
1
Help
The price of a stock decreased by
in 2001, and then decreased by
in
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Guest
Sep 1, 2022
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