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Post New Question
All Questions
+0
234814 Questions
0
524
1
help
How much pure water must be mixed with 3 pints of 60% developer to produce a mixture that is 23% developer?
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Guest
Apr 7, 2020
0
436
1
please help
The vertex of a parabola is it (-4,-3). If one x-intercept is -11, what is the other x-intercept
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Guest
Apr 7, 2020
0
449
1
help
The area of a rectangle is 20 cm The length is 8 more than the width. Find the width in cm.
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Guest
Apr 7, 2020
-2
573
1
help
Consider the system of quadratic equations
where c is a real number.
a) For what value(s) of c will the system have exactly one solution (x,y)?
read more ..
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Guest
Apr 7, 2020
0
532
1
+4
if a flight started at 9:20am and lasted 7 hours and 45 minutes what time would it be
if a flight started at 9:20 am and lasted 7 hours and 45 minutes what time would it be
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foxyz
Apr 7, 2020
0
593
1
help
Suppose that 2x^(2) - 5x + k = 0 is a quadratic equation with one solution for x. Express k as a common fraction.
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Guest
Apr 7, 2020
0
503
1
help
The sum of Jack and his father's ages is 52. Jack's father's age is 2 less than 5 times Jack's age. Find the ages of Jack and his father.
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Guest
Apr 7, 2020
0
1393
1
+384
help
As shown in the figure below, a circular park consists of an outer-ring path for walkers (white) and a ring-shaped flower garden (gray) surrounding a central circular fountain (black). The walking path is six feet wide in all places, the garden ring is
read more ..
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Paresh
Apr 7, 2020
0
1888
2
Help
The solutions to 2x^2 - 10x + 13 = 0 are a+bi and a-bi, where a and b are positive. What is a*b?
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Guest
Apr 7, 2020
-2
474
1
Peter has built a gazebo, whose shape is a regular heptagon, with a side length of 1 unit. He has also built a pathway around the gazebo,
Peter has built a gazebo, whose shape is a regular heptagon, with a side length of 1 unit. He has also built a pathway around the gazebo, of constant width 1 unit, as shown below. (Every point on the ground that is within 1 unit of the gazebo and outside
read more ..
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Guest
Apr 7, 2020
-1
670
2
+273
help plz
Find 4 to the -1st power, as a residue modulo 35. (Give an answer between 0 and 34, inclusive.)
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qwertyuiopasdfghjkl
Apr 7, 2020
-1
658
5
+273
help super urgent plz
The number n is a prime number between 20 and 30. If you divide n by 8, the remainder is 5. What is the value of n?
CPhill
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qwertyuiopasdfghjkl
Apr 7, 2020
+1
640
1
help
In American football, a team can score in the following ways: 2 points for safety, 3 points for a field goal, 6 points for a touchdown with no conversion, 7 points for touchdown with a 1 point conversion, and 8 points for a touchdown with a 2 point conversion.
read more ..
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Guest
Apr 7, 2020
0
866
2
+273
help urgent
What is the smallest positive integer n such that 3n is a perfect square and 2n is a perfect cube?
tertre
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qwertyuiopasdfghjkl
Apr 7, 2020
-2
1139
1
+384
area
A square carpet of side length 9 feet is designed with one large shaded square and eight smaller, congruent shaded squares, as shown.If the ratios $9 and are both equal to 3 and are the side lengths of the shaded squares, what is the total shaded area?
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Paresh
Apr 7, 2020
0
527
1
help
At Rock-n-Bowl, shoe rental costs $2, and each game bowled is $3.50. At Strikz, each game bowled costs $3, and shoe rental is $4.50. If the same amount of money is spent at both locations, how many games, n, are bowled? Show your work to justify your answer.
read more ..
geno3141
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Guest
Apr 7, 2020
0
1000
1
+384
circles
As shown in the figure below, a circular park consists of an outer-ring path for walkers (white) and a ring-shaped flower garden (gray) surrounding a central circular fountain (black). The walking path is six feet wide in all places, the garden ring is
read more ..
geno3141
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Paresh
Apr 7, 2020
0
1054
2
+384
basic stats
In Mrs. Marsh's algebra class, 30 of the 36 students took the Chapter 4 test, and their mean score was $72 \%$. The next day the other six students took the test and their mean score was $78 \%$. What is the new class mean? Express your answer as a percent.
read more ..
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Paresh
Apr 7, 2020
+1
601
1
+384
basic stats
The arithmetic mean of these five expressions is 24. What is the value of $x$?
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Paresh
Apr 7, 2020
+1
1198
2
+384
help stats
According to the data shown, how much cheaper, in cents, is the cheaper store's price for Camera $X$ compared to the more expensive?
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Paresh
Apr 7, 2020
+2
1050
2
+384
PLS HELP(basic probability)
A jar contains quarters (worth $\$0.25$ each), nickels (worth $\$0.05$ each) and pennies (worth $\$0.01$ each). The value of the quarters is $\$10.00.$ The value of the nickels is $\$10.00.$ The value of the pennies is $\$10.00.$ If Judith randomly chooses
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Paresh
Apr 7, 2020
0
577
1
Find all the real zeros of the polynomial
Find all the real zeros of the polynomial
p(x)=x^3 + x^2-3x+1
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Guest
Apr 7, 2020
+1
631
4
+46
hmmm
You have linear functions p(x) and q(x). You know p(2)=3, and p(q(x))=4x+7 for all x. Find q(-1).
I don't know where to start for this problem, please help!!
read more ..
heureka
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derpiiXD
Apr 7, 2020
-1
642
1
+273
help urgent
Use each of the five digits 2,4,6,7 and9 only once to form a three-digit integer and a two-digit integer which will be multiplied together. What is the three-digit integer that results in the greatest product?
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qwertyuiopasdfghjkl
Apr 7, 2020
0
689
2
+273
help
How many three-digit perfect cubes are divisible by 9
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qwertyuiopasdfghjkl
Apr 7, 2020
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