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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 answer
asked by
Dwomoh Evans
406 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
3 answers
asked by
Jimmy
2,045 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
5 answers
asked by
Jimmy
3,209 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.
4 answers
asked by
Samy
2,877 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
4 answers
asked by
Jimmy
1,785 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
7 answers
asked by
fred
3,421 views
Developmental psychologists study all of the following EXCEPT: -What part of the brain is involved in the development of
3 answers
asked by
sam
948 views
English is a language of opportunities .why should bother to learn indigenous
4 answers
asked by
zandile
490 views
In a simple machine the energy input is 120J. If the efficiency of the machine is 80%, calculate the energy output of the
2 answers
asked by
Derrick
640 views
From 45ft to 92ft percentage change
3 answers
asked by
Palwasha
428 views
Find the perimeter of a paralle logram whose base is 6cm and side 5cm
4 answers
asked by
Florence
407 views
In certain cases in which patients have rapidly
increasing body temperature, powerful drugs are used to decrease the temperature.
2 answers
asked by
helpme
556 views
am a number between 20 & 30. You can divide me into 6 equal groups. What number am I?
3 answers
asked by
karina
434 views
Find the maximum and minimum values of the function f(x,y)=4x^2 +9y^2
subject to xy = 4. Use Lagrange multipliers.
4 answers
asked by
Anonymous
2,985 views
Find the directional derivative of the function f(x,y,z) =z^2 -xy^2
at the point P(2,1,3) in the direction of the vector v=< -1,
2 answers
asked by
C
840 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
3 answers
asked by
Jasmine
1,632 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 answer
asked by
Tom
369 views
One very famous proof of the Pythagorean Theorem is by the Hindu mathematician Bhaskara. It
is often called the Behold proof
3 answers
asked by
need some help
1,037 views
Can somebody explains what I did wrong? Find the points (0,0) and (-1,-1). Eq1) x^2=-y, Eq2) x=-y^2
I replace Eq1 in Eq2-->
3 answers
asked by
Anonymous
378 views
The density of copper is 8.96 g cm^−3 and its molar
mass is 64 g mol^−1. Calculate the mass of 1 atom of copper.
3 answers
asked by
Bob
796 views
f(x) = 5e^x
absolute maximum absolute minimum local maximum local minimum need some help please
1 answer
asked by
John
373 views
An Aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars and each airplane engine) depends on a
4 answers
asked by
Courtney
2,928 views
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