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Questions Asked on July 12, 2020

in the diagram below triangle STR is the enlargement of QPR. if |PQ|=2.4cm |TQ|=8cm and |QR|=4cm find |ST|
1. 1 answer
2. asked by Dwomoh Evans
3. 411 views
I need help on this question:Light bulbs are often assumed to obey Ohm's law. However, this is not really true because their
1. 1 answer
2. asked by Jimmy
3. 2,052 views
A 1.0 μF capacitor is being charged by a 6.0 V battery through a 10 MΩ resistor. I need help solving these parts:A) Determine
1. 3 answers
2. asked by Jimmy
3. 3,222 views
A 3-kg toy car with a speed of 6 m/s collides head-on with a 2-kg car traveling in the opposite direction with a speed of 4 m/s.
1. 1 answer
2. asked by Samy
3. 2,890 views
A 6.30 μF capacitor that is initially uncharged is connected in series with a 4300 Ω resistor and a 501 V emf source with
1. 1 answer
2. asked by Jimmy
3. 1,839 views
A block and tackle system consisting of 5 pulleys is used to raise a load of 400 N through a height of 10 m. If the work done
1. 6 answers
2. asked by fred
3. 3,434 views
Developmental psychologists study all of the following EXCEPT: -What part of the brain is involved in the development of
1. 2 answers
2. asked by sam
3. 959 views
English is a language of opportunities .why should bother to learn indigenous
1. 3 answers
2. asked by zandile
3. 498 views
In a simple machine the energy input is 120J. If the efficiency of the machine is 80%, calculate the energy output of the
1. 1 answer
2. asked by Derrick
3. 651 views
From 45ft to 92ft percentage change
1. 2 answers
2. asked by Palwasha
3. 436 views
Find the perimeter of a paralle logram whose base is 6cm and side 5cm
1. 3 answers
2. asked by Florence
3. 413 views
In certain cases in which patients have rapidlyincreasing body temperature, powerful drugs are used to decrease the temperature.
1. 1 answer
2. asked by helpme
3. 566 views
am a number between 20 & 30. You can divide me into 6 equal groups. What number am I?
1. 2 answers
2. asked by karina
3. 445 views
Find the maximum and minimum values of the function f(x,y)=4x^2 +9y^2subject to xy = 4. Use Lagrange multipliers.
1. 2 answers
2. asked by Anonymous
3. 2,993 views
Find the directional derivative of the function f(x,y,z) =z^2 -xy^2at the point P(2,1,3) in the direction of the vector v=< -1,
1. 1 answer
2. asked by C
3. 852 views
A point charge of –3.00 μC is located at the origin; a point charge of 4.00 μC is located on the x axis at x = 0.200 m; a
1. 1 answer
2. asked by Jasmine
3. 1,643 views
Hello,I can't figure out this last number of series, convergence/divergence tests. E inf, n=1 (5n)^(3n) / (5^n +3)^n I tried
1. 1 answer
2. asked by Tom
3. 377 views
One very famous proof of the Pythagorean Theorem is by the Hindu mathematician Bhaskara. Itis often called the Behold proof
1. 1 answer
2. asked by need some help
3. 1,052 views
Can somebody explains what I did wrong? Find the points (0,0) and (-1,-1). Eq1) x^2=-y, Eq2) x=-y^2I replace Eq1 in Eq2-->
1. 2 answers
2. asked by Anonymous
3. 383 views
The density of copper is 8.96 g cm^−3 and its molarmass is 64 g mol^−1. Calculate the mass of 1 atom of copper.
1. 1 answer
2. asked by Bob
3. 808 views
f(x) = 5e^xabsolute maximum absolute minimum local maximum local minimum need some help please
1. 1 answer
2. asked by John
3. 380 views
An Aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars and each airplane engine) depends on a
1. 2 answers
2. asked by Courtney
3. 2,940 views

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