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Post New Question
All Questions
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230633 Questions
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583
1
A ladder is placed against a wall as shown below. The ladder is on level ground at an angle of 70 degrees to the horizontal. If the ladder
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Guest
Apr 29, 2021
0
420
1
Time
Dominic invited his friends to a bonfire. 1/5 of his friends arrived before 7:00pm. 2/5 arrived between 7:00 pm and 8:00 pm. What fraction of his friends had arrived by 8:00 pm?
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Guest
Apr 29, 2021
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298
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Problems on Snell’s Law( Please Help)
1. A light ray from an underwater source strikes the surface of a pond at an angle of incidence of 20°. What happens? Find the angle of refraction.
2. A light ray in airstrikes an air-water interface at an angle of incidence of 50°.
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Guest
Apr 29, 2021
0
289
1
Algebra
A rectangular swimming pool has the same depth everywhere. The combined surface area of the floor of the pool and the four sides is 4600 square feet. What is the maximum volume of the swimming pool in cubic feet?
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Guest
Apr 29, 2021
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380
1
volume of a pyramid
The volume of this cone is 201,456.12 cubic millimeters. What is the radius of this cone?
Use 𝜋 ≈ 3.14 and round your answer to the nearest hundredth.
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Guest
Apr 29, 2021
0
391
1
Math
Howie takes all of the coins out of his piggy bank.
He has 8 quarters, 11 dimes, 10 nickels, and 3 pennies. He also finds a two-dollar bill and a one-dollar bill. How much money does he have in all?
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Guest
Apr 29, 2021
0
256
1
Algebra
The non-negative real numbers x ,y and z satisfy the two equations
x^2 + y^2 + z^2 = 9
xy + yz + zx = 6
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Guest
Apr 29, 2021
0
770
4
How many strings of length 5 of the letters A, B, C, D, and E contain exactly one A and exactly one D if repetition of letters is allowed?
How many strings of length 5 of the letters A, B, C, D, and E contain exactly one A and exactly one D if repetition of letters is allowed?
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Guest
Apr 29, 2021
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299
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+8
help please
ok so t = 0.35 a=(−3,7.5) b= (6, -10)
if m=(1-t)a+tb=(2.4,−3) what is the value of t?
this is a math question of linear interpolation
DuckDOTzip
Apr 29, 2021
+1
353
1
Geometry help please
In the diagram below, A is on line segment CE and AB bisects Angle DAC. If segment DA is parallel to segment EF and angle AEF = 10angleBAC - 12 degrees, then what is angle DAC in degrees?
diagram:
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Guest
Apr 29, 2021
+1
328
3
need help quick
. For the 8th grade trip, each student is given $19 for food. This covers the cost of 2 meals at x dollars each plus $7 worth of snacks. Write the two-step equation to find how much money the school expects each student will spend per meal.
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Guest
Apr 29, 2021
+2
386
1
:)))
A company charges $2 for each balloon in an arrangement and a $3 delivery fee. You have $9 to spend. How many balloons can you purchase?
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Guest
Apr 29, 2021
+1
357
1
needing help!
Mr. Woods had $24 to spend on seven pencils. After buying them he had $10. How much did each pencil cost?
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Guest
Apr 29, 2021
0
341
1
polynomials
Let f(x)=3x^4-7x^3-2x^2-bx+1. For what value of b is f(1)=1
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Guest
Apr 29, 2021
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452
2
I need a little bit help on Geometry
The Question I have been given:
In the figure below, D is a point on segment CE such that segments AD and BE are parallel, and point A is not on segment BC. Line segments AD and BC intersect at point P.
Diagram:
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Guest
Apr 29, 2021
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252
0
Physics Project — Please Help Me!!!
I need to design an electric circuit with the following specifications
- One 24V supply source
- The supply will provide power to both a control board and a motor.
- Motor is a 72W, dc motor that runs on 12Volts
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Guest
Apr 29, 2021
0
403
1
Suppose we want to pick two numbers from {1,2,⋯,100} randomly. What is the probability that the sum of the two picked numbers is divisible b
Suppose we want to pick two numbers from {1,2,⋯,100} randomly. What is the probability that the sum of the two picked numbers is divisible by 5
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Guest
Apr 29, 2021
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595
1
Let A be the set of all strings of decimal digits of length 5. For example 00312 and 19483 are two strings in A. You pick a string from A a
Let A be the set of all strings of decimal digits of length 5. For example 00312 and 19483 are two strings in A. You pick a string from A at random. What is the probability that the string has no 4 in it
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Guest
Apr 29, 2021
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275
1
geometry
Find the distance between Q = (3,-7,-1) and the line through A = (-1,-1,2) and B = (2,3,4).
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Guest
Apr 29, 2021
-1
306
1
UERGENT!!! FOR YOU CPHILL
Find the ordered pair $(x,y)$ that satisfies the system of equations\begin{align*} x+3y &= -4,\\ 3x -7y &= 36. \end{align*}
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Guest
Apr 29, 2021
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518
1
Anyone help! CPhill please help! Or anyone else!!
An activity is planned for two different weekwends. For the first weekend 1575 children has registered to participate. For the second weekend 1485 students have signed up. This activity requires large teams that msut all be the same size. What is the largest
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Guest
Apr 29, 2021
0
370
1
MATHS
if Emeka has 50 cubes of sugar and Emeka licks 40 cubes of sugar what will Emeka have?
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Guest
Apr 29, 2021
+6
654
1
+428
help plz
A stunt woman of mass mmm falls into a net during the filming of an action movie. She experiences a normal force magnitude F_n while touching the net.
what is the acceleration magnitude A of the stunt
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Dennis070sinneD
Apr 29, 2021
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