Questions Asked on
June 30, 2020

Math
Find the number: 112/100 of which is 56
asked by Klara Star 
Mathematics
There are 5 teams in a basketball competition each team must play each of the other team once how many games will each team play
asked by Rihanna 
Geometry
Line segment AB with length a is divided by points P and Q into three line segments: AP , PQ, and QB , such that AP = 2PQ=2QB. Find: A)the distance between point A and the midpoints of the segments the segment QB B) the distance between the midpoints of
asked by Isa 
science
1) Read the scenario. A car starts 10 m north of a reference point. It moves at a constant velocity over the next 5 s, reaching a position of 10 m south of the reference point. What is the car’s average velocity? 0 m/s 4 m/s north 2 m/s south 4 m/s south
asked by Ash 
Math
If BC = 8 , AB = 24 , DC = 48 then BE equals ?
asked by Jennifer 
Physical Science
This is a velocity versus time graph of a car starting from rest. If the area under the line is 10 meters, what is the corresponding time interval? A. 2 seconds B. 4 seconds C. 5 seconds D. 10 seconds E. 15 seconds
asked by Mimic 
science
Which of the following choices correctly describes the behavior of the sound wave as it moves from metal to air? The sound wave slows down and refracts. The wavelength and frequency decrease. The sound wave slows down and refracts. The frequency decreases,
asked by Rose 
Mathematics
If x^a * x^b = (x^a)^b, prove that a/b + b/a = 1. Best I can get is a/b + b/a = ab  2. Is there any way to show ab = 1 or other way to approach the initial problem to find the proof?
asked by Poincare 
math
A local pizza shop has 8 different toppings to pick from. How many ways can you pick three different toppings for your pizza if order does not matter?
asked by mo 
math
A semicircle sits on top of a rectangle to form the figure below. Find its area and perimeter. Use for 3.14. The rectangle is 4 inches long and 3 inches wide. The semicircle sits on top of the rectangle on a side that is 4 inches long.
asked by Star 
Math
The ratio of the measures of the angle of a triangle are 1:3:5. The measures of the largest degrees is? I need this like as soon as possible
asked by Jennifer 
Physics
1. How will the pressure vary if: a. force is doubled while keeping the area constant? b. force and area both are tripled? c. area is doubled while keeping the force constant?
asked by Kavya 
chemistry
Calculate the number of moles of Na2CO3 present in 100cm^3 of 2 M Na2CO3 solution.i got 5 moles.am i right
asked by lucy 
Physical Science
A van traveling down a slope with a uniform acceleration of 2.15 meters/second^2 attains a speed of 20.00 meters/second after 7.00 seconds. What is the initial velocity of the van? A. 0.00 meters/second B. 3.65 meters/second C. 4.95 meters/second D. 35.05
asked by Mimic 
english
Which excerpt from Robert Stawell Ball's Great Astronomers is best supported by this diagram? Excerpt 1 These movements were wholly incompatible with the supposition that the journeys of Venus were described by a single motion of the kind regarded as
asked by mnmnmn 
math
What 2D figure would result if you sliced a right rectangular prism horizontally?
asked by carl 
chemistry
Determine the number of sodium ions contained in 25cm^3 of 0.5M sodium carbonate solution.
asked by lucy 
math
give some examples of polynomial.
asked by Anonymous 
Science
a huge oil tanker, salt water has flooded an oil tank to a depth of h2 = 5,0 m. On top of the water is a layer of oil h1 deep, as in the crosssectional view of the tank in Figure 1: Figure 1 The oil has a density of 700 kg/m3 . If P0 is the atmospheric
asked by Senatsi 
Calculus
Given a=1, b=3, and f(x)=x^2, apply the mean value theorem. My question is, what would f'(c) in this problem? How do I find it?
asked by Ben 
Mathematics
CRITICAL THINKING: Mercury's average distance from the sun is 57,910,000 km. The Earth is approximately 93,000,000 miles from the sun. What would be the distance of a trip from Mercury to Earth, via the Sun. Look out for the units!!! (1 km = 0.62 mi) .Use
asked by Divya 
Algebra
15. At Generic High School, in the year 2001, there were 20 students per every computer. In 2008, there were 4 students per computer. Write two ordered pairs to represent the ratio of student to computer. (Let x equal the number of years since 2000.) Let x
asked by Bella 
Math
In an office, there were 24 more females than males. 60% of the workers were females. How many workers are there in total?
asked by Afrah 
Mathematics
Prove that 1cosx/1+cosx=tan^2x/2
asked by Lohitha 
Math
4x³+2x²3x+1/(2x+1)(x3)
asked by Olayiwola Damilare Samuel 
mathematics
a number is chosen at random from the interger 10 to 30 inclusive what is the probability that it is a multiple of 3, a multiple of 5, prime number , perfect square
asked by Jessica 
math
A group of 10 students are on a field trip when their bus breaks down 40 miles away from the school. A teacher takes 5 of them back to school in her car, travelling at an average speed of 40 miles per hour. The other 5 students start walking towards school
asked by JP 
Calculus
Prove that if a particle moves along a curve at constantspeed, then the velocity vector is at all times perpendicularto the acceleration vector.
asked by Anonymous 
Mathematics
Find m : 1) (5^m×5^3×5^(2))/5^(5) =5^12
asked by Divya 
mathematics
Two business partners, Ellen and Bob, invested money in their business at a ratio of 5 to 8. Bob invested the greater amount. The total amount invested was $260. How much did each partner invest?
asked by Anonymous 
Algebra
Factorise a^6+8b^6+c^6+ 6a^2 b^2 c^2
asked by Shehzad 
Algebra
Factorise.(x+y)^3 +(2y+3z)^3+ (3z+4x)^3 3(x+y)(2y+3z)(3z+4x)
asked by Shehzad 
Social studies
Which statement best explains why the Louisiana Purchase of 1803 was important to the development of the United States?
asked by Anonymous 
physics
charge +2micro coulomb is placed at a pointA(2,1,0). another charge3 microcoulomb placed at B(4,2,1). find the net force on charge +5micro coulomb placed at a point C(1,3,2)
asked by Anonymous