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A worker’s salary is reduced by p%. By what percent would the salary have to be raised to bring it back to its original amount?

What is the magnitude of the gravitational force on Mars, with a mass of #6.34 \times 10^ 23# and a radius of #3.43 \times 10^6#m?

Roliver is three times as old as Cerise. Three years ago, the sum of their ages was sixtysix. Find their present age?

Question #871eb

How do you solve the equation by graphing #2x^2  3x + 4 = 0#?

Given the function: f (x)= 3(x+2)² + 5, how do you rewrite in standard form?

How much energy is needed to heat up 10 litres of water for a bath, if the temperature of cold water is 10 degrees and the bath temperature is 38 degrees?

What is a radioactive isotope? Why are they radioactive?

Physics help, I'm not sure what this question is asking?

Question #f46fd

How do you evaluate #\sqrt { \frac { 27} { 9} } + 5#?

Question #74e81

Explain why nucleus is the brain of cells ?

Question #301e8

How do you write an equation for the alpha decay of Actinium218?

What is the domain of the function g(x) = 3log2(x−1)+4 ?

Question #35aac

How do you approximate the height of the screen to the nearest tenth?

An isosceles triangle has sides A, B, and C with sides B and C being equal in length. If side A goes from #(1 ,4 )# to #(5 ,8 )# and the triangle's area is #27 #, what are the possible coordinates of the triangle's third corner?

A charge of #8 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #36 J# to #6 J#, what is the voltage between points A and B?

How many grams of CaCl2 would you use to make 500 ml of a 6mM calcium salt solution? CaCl2=110

Find the maximum height that the Pohutukawa tree is expected to reach in cm?

2 men and 3 women take 16 days to complete a task. How long would it take for 4 men and 6 woman?

Question #5c7c6

3. Below is the decay curve for bismuth210. What is the halflife for the radioisotope? What percent of the isotope remains after 20 days? How many halflife periods have passed after 25 days? How many days would pass while 32 grams decayed to 8 grams?

A fighter jet is flying in a tight circle with a radius of 250m. It makes one complete turn in 20 seconds. How fast is the plane flying?

How do you find the domain and range of #f(x) = 2 / sqrt(3x2)#?

Differentiate #cos(x^2+1)# using first principle of derivative?

What is the slopeintercept form (y=mx+b) of xy=5?

Question #9c03c

How do you graph the parabola #y=  x^2  6x  8# using vertex, intercepts and additional points?

Question #c7208

How do you divide #y^48y^3+10y^2+2y+4# by y2 and is it a factor of the polynomial?