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Post New Question
All Questions
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234777 Questions
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408
1
HELP!!! :D
A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 160 lb and each box of books weighs 40 lb. The maximum capacity of the elevator is 670 lb. How many boxes of books can the delivery person bring
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Guest
Aug 27, 2020
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416
1
trig question
If tan theta=3/4 and theta is an acute angle, find cos theta
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Guest
Aug 27, 2020
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599
3
+140
Help please :)
What is , where and ?
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Creampuff
Aug 27, 2020
0
470
1
coordinates
Square PQRS has vertices P (2, 6), Q (6, 5), R (5, 1). What are the coordinates of S?
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Guest
Aug 27, 2020
0
1839
1
please help!
Point K is on line segment JL. Given KL = 2x – 2, JL = 4x + 9, andJK = 5x + 2, determine the numerical length of JL. i
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Guest
Aug 27, 2020
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416
1
hiii please help whenever you can!
In the equation , both j and k are positive integers. What is the sum of all possible values for k?
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Guest
Aug 27, 2020
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479
1
help needed
Flying against the wind, a jet travels 7440 miles in 8 hours. Flying with the wind, the same jet travels 3570 miles in 3 hours. What is the rate of the jet in stillair and what is the rate of the wind?
Rate of the jet in still air:
Rate of the wind:
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Guest
Aug 27, 2020
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334
0
Passe o número 1,45 para forma de fração e simplifique.
Passe o número 1,45 para forma de fração e simplifique.
Guest
Aug 27, 2020
0
604
0
3d geometry
The base of the wedge is a horizontal rectangle measuring 70 cm by 50 cm.
The sloping face ABEF makes an angle of 30° to the horizontal.
Calculate the angle that A-F makes
with the horizontal plane ABCD.
Give your answer correct to 3 significant
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Guest
Aug 27, 2020
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306
0
Qual o valor do ângulo formado por u ⃗ ( 3;4) e v ⃗ (1;1)
Qual o valor do ângulo formado por u ⃗ ( 3;4) e v ⃗ (1;1)
Guest
Aug 27, 2020
0
529
3
Halp Please!!
Consider the complex numbers v, w, and z in the complex plane below:
What are the magnitudes: |v + w|, |w + z|,
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Guest
Aug 27, 2020
0
468
1
maximum area
A fence for a rectangular garden with one side against an existing wall is constructed by using 60 feet of fencing. What is the maximum area that can be enclosed
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Guest
Aug 27, 2020
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891
1
pls help
A is th point (4, 1) and B is the point (10, 15). Find the equation of the perpendicular bisector of the line AB.
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Guest
Aug 27, 2020
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509
1
help with line
Find the equation of the line passing through the points (-2,5) and (3/2, 2). Express the answer in standard form.
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Guest
Aug 27, 2020
0
896
2
Suppose we write down the smallest positive 2 -digit, 3-digit, and 4-digit multiples of 9.
Suppose we write down the smallest positive 2 -digit, 3-digit, and 4-digit multiples of 9.
whats the sum of all three integers?
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Guest
Aug 27, 2020
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317
0
precaculus
Find the range of the function 1/(sin(x) + 1), as x ranges over all real numbers.
Guest
Aug 27, 2020
0
666
2
+4
Multiples question
Let x be the smallest multiple of 11 that is greater than 1000 and y be the greatest multiple of 11 less than . Compute x - y.
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hell0
Aug 27, 2020
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411
1
please help
What is the value of x?
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Guest
Aug 27, 2020
0
597
3
+212
If x, y, and z are positive integers such that 6xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z
If x, y, and z are positive integers such that 6xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z
.
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Filliqq
Aug 27, 2020
0
560
3
Calculating the decline of a graph with the derivative
I need to calculate the point in which the graph of f(x) = (1/3)x^3 - 4x + 2 declines the most using the derivative. Could anyone help me?
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Guest
Aug 27, 2020
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574
0
Suppose
Suppose
5 [ -1 2 ] = 2/3m x [ -1 2 ]
[ 4 8 ] [ 4 8 ]
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Guest
Aug 27, 2020
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364
0
matriz
B= [ -4 2 ]
[ 0 5 ]
C= [ 0 4 -1 ]
read more ..
Guest
Aug 27, 2020
0
1009
0
Consider the matrices.
Consider the matrices.
s= [ 3 4 ]
[ -1 -2 ]
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Guest
Aug 27, 2020
0
459
2
question
250g block costs $5.90 how much would it coast in 700g?
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Guest
Aug 27, 2020
0
791
1
+133
Cauchy-Schwarz Inequality Question
Let a, b, c, d, e, f be nonnegative real numbers.
(a) Prove that
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SpicyP
Aug 27, 2020
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