1. Mathematics - Q&A
164 questions found
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If 42% = 15000, what is 100%?
- 6300
- 21300
- 35714
pls explain me
What is the depth of water in the tank shown if the volume of water is 4000 litres?
- 50 cm
- 80 cm
- 5 m
pls explain me
What is the depth of a rectangular tank whose volume is 40 m^3. and has a base 5m by 10m?
- 0.08m
- 80cm
- 8m
pls explainan me
If y/x = 4 and y = 5 then x =
- 4/5.
- 1 1/4.
- 20.
y/x=4, x=4y when y=5 x=20.
The Lowest Common Denominator for the problem below is 1/6 + 1/5 + 1/17 + 1/2.
- 510.
- 1020.
- 17.
can anyone show me a quick way to work this out
What is the ratio of 5 feet to 30 inches?
- 1 : 6
- 5 : 3
- 2 : 1
How can I do that??
A cuboid has dimensions of 4 cm, 6 cm and 12 cm. What is its volume?
- 0.000288 m3
- 0.028 m3
- 2.88 m3
I don't understand the passage from cm to m^3
A car travels 24 miles in 45 minutes. What is its average speed?
- 18 mph.
- 32 mph.
- 36 mph.
How can i do that?
The characteristic of Log 0.698 is
- -2.
- -1.
- 1.
who is characteristic is calculated ...i am little bit confused..??
Cos A =
- 0.6
- 0.8
- 1.2
How can you work this out without a calculator?
(x + y)^2 / (x + y)^8 has a base and exponent of
- (x + y)^10.
- (x + y)^-6.
- (x + y)^1/4
is this is nt worng question?
The name given to this shape.
- Trapezoid
- Parallelogram
- Rhombus
this shape looks like rhombus
Given that s=0, solve the equation s=ut + 1/2at^2 for the two possible values of t.
- t=0, t=2u/a.
- t=0, t=a/2u.
- t=0, t=-2u/a.
Hi, can some please explain?
What is 011100001 base 2 in Octal?
- 324
- 341
- 452
can anyone help with this question please
What is the characteristic of 5.74?
- -1
- 0
- 1
i don't understed this quastion. could someone help me?
3 3/4 + 4 2/3 =
- 7 5/12
- 7 5/7
- 8 5/12
Please write your comment here.
What is the supplement of 13 degrees 13 minutes 13 seconds?
- 166 degree 46 minutes 47 seconds.
- 167 degrees 46 minutes 47 seconds.
- 266 degrees 87 minutes 87 seconds.
somebody can explain? thanks
What is (X^2 * X^3 )^3 ?
- X^10
- X^15
- X^36
somebody can explain? thanks
A sphere with a radius of 2 cm has a surface area of
- 8pi cm^2.
- 16pi cm^2.
- 64pi cm^2.
somebody can explain? thanks
A pinion gear with 16 teeth is driving a spur gear with 48 teeth at 120 RPM. Find the speed of the pinion gear.
- 40 RPM
- 144 RPM
- 360 RPM
quite embarrassed to ask, but can someone please explain the difference between pinion and spur gears?
In an equilateral triangle, all of the angles are equal, to
- pi divided by 2.
- pi divided by 3.
- pi divided by 4.
Please explain.
Pi / 3 = 1.047198.
Starting from zero amplitude, the cosine curve repeats itself between
- -180 and 180 degree.
- -90 and 270 degrees.
- 0 and 360 degree.
What is meant by 'repeats itself'?
Thanks
What is the area of the trapezium shown?
- 24 cm^2
- 27 cm^2
- Area cannot be calculated from information given.
Can someone please explain?
Evaluate 2x^2 * z^2 * (3x - z^2 ) =
- 6x^2 * z^2 + 3x - z^2
- 6x^2 * z^2 - 2x^2 * z^2
- 6x^3 * z^2 - 2x^2 * z^4
Can someone please explain?
Which number is the lowest common factor of 36, 66 and 126?
- 6
- 12
- 23
6 is highest common factor, lowest common factor 2772