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All Questions
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232802 Questions
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474
1
You walk (1)/(3) miles to a clothing store. Then you walk another (3)/(8) miles to a grocery store. How many miles have you walked in all?
You walk (1)/(3) miles to a clothing store. Then you walk another (3)/(8) miles to a grocery store. How many miles have you walked in all?
Write your answer as a fraction in simplest form.
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Guest
Oct 19, 2021
0
247
0
Let f(x) = (3x-4)/(2x+5) Find the value of A so that when it replaces x, the value of f(A) is -1/7.
Let f(x) = (3x-4)/(2x+5)
Find the value of A so that when it replaces x, the value of f(A) is -1/7.
Guest
Oct 19, 2021
+1
422
1
+7
Real numbers x, y are randomly chosen from the interval [0, 1]. what is the probability of 3x + y ≤ 1.
Real numbers x, y are randomly chosen from the interval [0, 1]. what is the probability of
3x + y ≤ 1.
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ggmu1234
Oct 19, 2021
-3
321
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+25
calculus help!
please help!!
unaza
Oct 19, 2021
-3
313
0
+25
calculus
please help!
unaza
Oct 19, 2021
-3
308
0
+25
calculus
please help!
unaza
Oct 19, 2021
-3
328
0
+25
calculus
please help!!
unaza
Oct 19, 2021
-4
392
1
+25
calculus help
calculus, need help!!
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unaza
Oct 19, 2021
0
219
0
help with geometry
In the diagram, point E lies on line segment AB, and triangles AED and BEC are isosceles. Also, DEC is twice angle AEB . What is the measure of BEC in degrees?
read more ..
Guest
Oct 19, 2021
-3
343
1
+25
calculus! please help
calculus problem
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unaza
Oct 19, 2021
0
344
2
when y=11 evaluate 2(y-3)
when y=11 evaluate 2(y-3)
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Guest
Oct 19, 2021
0
346
1
+1982
If Jessie spent a total of 5 hours driving, find the two rates (in mph). Round your answer to two decimal places, if needed.
Jessie recently drove to visit her parents who live 120 miles away. On her way there her average speed was 14 miles per hour faster than on her way home (she ran into some bad weather). If Jessie spent a total of 5 hours driving, find the two rates (in
read more ..
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macabresubwoofer
Oct 19, 2021
0
320
1
Quadratic
The height (in meters) of a shot cannonball follows a trajectory given by h(t) = -4.9t^2 + 14t - 0.4 at time (in seconds). As an improper fraction, for how long is the cannonball above a height of $5$ meters?
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Guest
Oct 19, 2021
0
229
1
Quadratic
Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point $(1,11)$. Express your answer in the form "$ax^2+bx+c$".
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Guest
Oct 19, 2021
0
249
2
PLEASE HELP!!!!
Plunk and Ms. Q run a 100-meter race. Plunk runs at 8 meters per second, and Ms. Q runs at 5 meters per second. Because Ms. Q runs slower, she is given a 3-second head start.
Plunk wins the race.
How much time, in seconds, is it between the time Plunk
read more ..
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Guest
Oct 19, 2021
0
338
3
+12
don't know what to do algebra
Let be nonnegative real numbers.
(a) Prove that
(b) Prove that
I have solved part (a), but I need help for (b) I used cauchy for (a) and I think you have to use it for (b)
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helpp
Oct 19, 2021
0
253
3
quadratic
If $t$ is a real number, what is the maximum possible value of the expression $-t^2 + 8t -4$?
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Guest
Oct 19, 2021
0
332
1
Number Theory
Let $a\equiv (3^{-1}+5^{-1})^{-1}\pmod{11}$ . What is the remainder when a is divided by 11?
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Guest
Oct 19, 2021
0
327
1
Number Theory
N is a four-digit positive integer. Dividing N by 9, the remainder is 5. Dividing n by 7, the remainder is 2. Dividing n by 5, the remainder is 1. What is the smallest possible value of N?
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Guest
Oct 19, 2021
Oct 18, 2021
0
218
0
Algebra
Let y = (x-3)/(2x+17)
Then this equation can be expressed in the form (x + a)(y + b) = c for some constants a, b, and c . Enter your answer in the form " a, b, c".
Guest
Oct 18, 2021
0
358
0
+1982
Solve for v, the velocity of the object, in terms of the given quantities.
The total mechanical energy of an object with mass m at height h in a closed system can be written as
. Solve for v, the velocity of the object,
read more ..
macabresubwoofer
Oct 18, 2021
0
375
0
+1982
T = 2π√l/g. This is the formula for the period T of a pendulum of length l. Solve this formula for l.
. This is the formula for the period T of a pendulum of length l. Solve this formula for l.
l =
macabresubwoofer
Oct 18, 2021
0
196
0
Algebra problem
Find the number of triples (a, b, c) of positive integers, such that 1 <= a, b, c <= 100 and
$a^2 + b^2 + c^2 = ab + ac + bc$.
Guest
Oct 18, 2021
0
429
2
Hi! Pls help ASAP thx
Simon keeps some black and white marbles in Box A. He also keeps some green and
blue marbles in Box B. There were 1 3/5 times as many black as white marbles. The ratio
of the number of white marbles to the total number of green and
read more ..
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Guest
Oct 18, 2021
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