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Post New Question
All Questions
+0
231313 Questions
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312
1
help quadratic
If we express 3x^2 - 6x - 2 + 8x + 14 in the form a(x - h)^2 + k , then what is a + h + k?
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Guest
Jul 12, 2021
0
298
1
Scale drawings
Cindy made a scale drawing of a petting zoo. The scale of the drawing was 7 millimetres = 1 metre. What is the drawing's scale factor?
Simplify your answer and write it as a fraction.
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Guest
Jul 12, 2021
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352
1
Algebra
Find all pairs (x,y) of real numbers such that x + y = 10 and x^2 + y^2 = 56 + xy.
heureka
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Guest
Jul 12, 2021
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371
1
Algebra
Find all solutions to the system
a + b = 14
a^3 + b^3 = 812 + 3ab
heureka
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Guest
Jul 12, 2021
0
243
1
help plz
A year N is a leap year if N is a multiple of 4, except when N is a multiple of 100,except when N is a multiple of 400. Based on this description, how many leap years are there between year 2018 and year 2050?
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Guest
Jul 12, 2021
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342
1
math
For what values of y does the following equation have no solutions for x?
xy + 4x + 2y + 8 = 1
ElectricPavlov
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Guest
Jul 12, 2021
0
272
1
math
Among all fractions that have a positive integer numerator and denominator and satisfy 9/11 <= x <= 5/6 which fraction has the smallest denominator?
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Guest
Jul 12, 2021
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357
2
What are the areas of the triangles?
Angle A is 30 degrees and angle D is arccos(3/5)
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Guest
Jul 12, 2021
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407
4
What is a? There is only one possible value
Please find a and include all steps.
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Guest
Jul 12, 2021
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212
0
Domain
What is the domain of the function
f(t) = \frac{1}{(t-1)^2-(t+1)^2}?
Express your answer in interval notation.
Guest
Jul 12, 2021
0
249
1
Help with steps
What are ?
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Guest
Jul 12, 2021
0
321
1
Algebra
Find two consecutive positive integers such that the square of the smaller increased by 4 times thelarger is 64
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Guest
Jul 12, 2021
0
234
1
Answer this question please
On each of the first three days of January, there is a $\frac{1}{3}$ chance that it will snow where Bob lives. On each of the next four days, there is a $\frac{1}{4}$ chance that it will snow. What is the probability that it snows at least once during the
read more ..
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Guest
Jul 12, 2021
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286
1
Algebra
Find constants A and B such that
\[\frac{x-7}{x^2 -x-2}=\frac{A}{x-2} + \frac{B}{x+1}\]
for all x such that $x \neq -1$ and $x \neq 2$. Give your answer as the ordered pair (A,B).
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Guest
Jul 12, 2021
0
344
1
need help with inequality
Find a linear inequality with the following solution set. Each grid line represents one unit.
Give your answer in the form ax + by + c > 0 or ax + by + c >= 0 where a, b and c are integers with no common factor greater than
read more ..
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Guest
Jul 12, 2021
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371
2
Piecewise function
f(x) = ax + 3 if x > 2,
f(x) = x + 5 if -2 <= x <= 2,
f(x) = 8x + b if x < -2
read more ..
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Guest
Jul 12, 2021
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318
1
help algebra
Biking at 10 mph, it takes Kristen hour to reach the train station to go to work. Kristen then takes the train to work, and it takes another hour for her to get to work when the train travels 24 mph. How far does Kristen travel to work?
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Guest
Jul 12, 2021
0
369
1
+31
So Wordy! Please help
All sacks of sugar have the same weight. All sacks of flour also have the same weight, but not necessarily the same as the weight of the sacks of sugar. Suppose that two sacks of sugar together with three sacks of flour weigh no more than 40 pounds, and
read more ..
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GLAZ3D
Jul 12, 2021
0
375
1
+31
Please Help!
Hi! I'm stuck on these connected questions. I'm a bit confused about its phrasing, and how to find what it is asking. Please help--Thanks!
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GLAZ3D
Jul 12, 2021
0
669
2
PLEASE HELP ASAP
In the diagram below, $\angle PQR = \angle PRQ = \angle STR = \angle TSR$, $RQ = 8$, and $SQ = 2$. Find $PQ$.
read more ..
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Guest
Jul 12, 2021
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318
1
Percentage
If Pablo gives 20% of his money to Mary, then Mary would have 25% more money
than Pablo. If Mary gives 20% of her money to Pablo, he would have more money
than Mary by what percent?
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Guest
Jul 12, 2021
0
274
1
Maximum
Let x and y be real numbers such that 0 <= x <= 1 and 0 <= y <= 1. Find the maximum value of x^2 - y^2.
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Guest
Jul 12, 2021
0
837
2
Arithmetic sequence
Find the sum of the first 100 terms of the arithmetic sequence with the first term 2 and the common difference 5.
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Guest
Jul 12, 2021
0
400
1
Help please
A triangular region is enclosed by the lines with equations and . What is the area of the triangular region? Express your answer as a decimal to the nearest hundredth.
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Guest
Jul 12, 2021
0
380
1
Algebra
Let f(x) be a polynomial such that f(0) = 4,f(1) = -5, and f(2) = 11. Find the remainder when f(x) is divided by x(x - 1)(x - 2).
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Guest
Jul 12, 2021
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