1. Mathematics - Q&A
164 questions found
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Find the value of 5/8 of 4/5.
- 1/2
- 3/4.
- 25/32
I dont understand... could you explain me it please !
What is 11110001 base 2 in Octal?
- 72
- 361
- 684
Please write your question here.
15.4 / 2 - 2 (4.6 - 15.7) =
- -14.5
- 26.5
- 29.9
Please write your question here.
120 out of 125 bolts produced are of an acceptable tolerance. What percentage of the bolts are not acceptable?
- 4%
- 5%
- 25%
Why?
What is the equation of the graph shown?
- y = -2.
- x = -2.
- y = 2x.
It shouldn't be y=2?
For an equation 2y = 5x + 3 what is the gradient?
- 3/5x
- 5/2
- 5x+3/2
I dont understand what does gradient mean.Also why is the result 5/2 i think is 5x+3/2
One of the square roots of a positive number is positive. What is the other one?
- positive
- negative
- positive or negative.
why?I dont understand.
A sphere with a radius of 2 cm has a surface area of
- 8pi cm^2.
- 16pi cm^2.
- 64pi cm^2.
Why
What is the log of 20000.2?
- 0.4301
- 4.3010
- 43.010
how?
9/4 + 5/12 + 5 1/8 =
- 2 25/24
- 4 1/12
- 7 19/24
Please help
A mound of soil is piled up into a cone of base diameter 1.8m and height 0.6 m. What is the volume of soil?
- 0.5 m^3
- 1.0 m^3
- 1.5 m^3
how ? please
The y intercept of 4y = 4x + 8 is
- 2.
- 4.
- 8.
why is it 2?
The y intercept of 4y = 4x + 8 is
- 2.
- 4.
- 8.
why is it 2?
A line to create a segment from the centre of a circle is a
- radius.
- diameter.
- chord.
helpppp
The median of the values 20, 28, 17, 34, 40, 11, 34, 26 is
- 26.25.
- 27.0.
- 34.0.
210 the sum, divided by 8 = 26.25
If 2x^2 + kx-8 = 0 has two equal real roots, then
- k is an imaginary number.
- k=+/-8.
- k=-8.
what do they want from us here?
The median of the values 20, 28, 17, 34, 40, 11, 34, 26 is
- 26.25.
- 27.0.
- 34.0.
26.25
The conversion factor of litres to UK pints is
- 0.57.
- 1.76.
- 2.2.
Please write your question here.
What is the area of the shape shown, in square centimeters?
- 1000
- 1130
- 1264
How it is?
6^7 divided by 12^7 is equal to
- 1/128.
- 1/20.
- 1/2.
how its posible?
The area of a circle whose circumference is given as 12cm is approximately
- 3.8 cm^2.
- 11.3 cm^2.
- 38 cm^2.
how to solve? I get 36cm2
The area of a circle whose circumference is given as 12cm is approximately
- 3.8 cm^2.
- 11.3 cm^2.
- 38 cm^2.
how to solve? I get 36cm2
Which of the graphs shown is given by the equation y = x^2 + 3?
- a
- b
- c
can someone explain this to me
Find the area of the triangle shown below:
- 6 cm^2
- 9 cm^2
- 12 cm^2
can sombady explain to me
What is the volume of metal used in the pipe shown?
- 45pi cm^3
- 4500pi cm^3
- 18000pi cm^3
If I use pi*(10^2 - 8^2)*500, the result is 18000pi. where is the error?