Questions Asked on
June 28, 2020

PreCalculus
Convert 2 e^{\pi i/6} to rectangular form.
asked by Matthew 
Math
Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this box. Find the probability of a number which is a perfect cube.
asked by Lam 
Mathematics
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 Scientific Notation
asked by Lam 
Mathematics
A girl walks 800meters on a bearing of 129degrees calculate how far east and south is from her starting point
asked by Mary 
Mathematics
Given that 99=100 1,calculate the value of 152 x 99.
asked by Anonymous 
Mathematics
How many days, hours & minutes between 06/29/1947 @ 02:15 a.m. until 08/10/1977 @ 02:15 A.M.
asked by Paul 
Science
sound travels through cold air at about 1190 kilometers per hour. that means that a sound can travel the length of three football fields in about a second. Some machines, such as jet planes, can travel faster than sound. the world's fastest train can
asked by Cons 
chemistry
a technician went to the laboratory to prepare a solution of 250.0 mL of calcium carbonate (Na2CO3). It was weighed on the analytical balance 1.3316g of the solid calcium carbonate reagent. Knowing that salt has 99.5 %m/m, calculate the %m/v of this
asked by william 
Mathematics
Given that 99=1001,calculate the value of 152 x 99
asked by Onos 
mathematics
What is the product of 2p + q and –3q – 6p + 1? –12p2 – 6pq – 4p – 3q + 1 –12p2– 12pq + 2p – 3q2 + q –9p2q2 + 12pq – 2p + q 12p2 + 12pq +2p + 3q2 + q
asked by Anonymous 
Calculus
How do I differentiate fx and fy f(x,y)=√(1+x^2 +y^2)
asked by C 
science
Mendel performed his experiments on more characteristics than the four shown in the Mendel’s Results table. Why was it important for him to look at more than one characteristic?
asked by leah 
Mathematics
Find the measurements of the diagonal indicated in the following parallelogram If DL = 7, then DF = ? Use the information to find the given length of the diagonal EFGH and EH = 24 then FG = 12
asked by Loomned 
Mathematics
What value of x will give the minimum value for 9x^2 + 18x + 7?
asked by Unknown 
Math
3) Find the value of m for which (i) (5^m×5^3×5^(2))/5^(5) =5^12 (ii) (2/9)^3×(2/9)^(6)=(2/9)^(2m1)
asked by Pete 
mathematics
A farmer owns a field with an area of 0.77 km2. The farmer buys another field with an area of 33,400 m2. What is the total area of the fields he now owns in km2?
asked by Anonymous 
Math
4) Simplify : (i) (125 ×x^(3))/(5^(3)×25 ×x^(6) ) (ii) (16×10^2×64)/(2^4×4^2 )
asked by Lovely 
Mathematics
How many 10 digit numbers can be formed using only the digits 2 and 5?
asked by Akua 
History
European nations colonized countries on the African continent to:
asked by phuong 
Mathematics
A three digit number is such that twice the hundreds digit is more the teens digit by two.The unit digit is thrice the hundreds digit.When the digits are reversed the number is increased by 594.Find the number ?
asked by Peter 
geography
Birth and death certificates are an example of what?
asked by rob 
Mathematics
Calculate the volume of a cylindrical steel bar which is 8cm long and 3.5cm in diameter
asked by Abundance 
chemistry
What are the saturated alcohols that have the general molecular formula?CvH2v+1O com v>1 Cvh2v+2O com v>1 CvH2vO com v>1 CvH2vO com v>3
asked by julia 
Physics
If stone is thrown directly down ward from the top of a 40m tall building with an initial speed of 10m/s,what will be the speed of the stone,when it reach the ground?g 10N/kg
asked by Tt 
mathematics
Does anybody know how to plot these function on mathematica y = sinx and y = sinx/x on the interval [2Pi ,2Pi ]?
asked by Anonymous 
math
How do I rationalize the dinominator on this (x^2 +y^2)/(√(x^2 +y^2 +1)1)
asked by Anonymous 
math
if ayo and bayo shares 14 mangoes in the ratio 2:4. Calculate the number of mango each boy will got
asked by ratio