a. Write and solve an equation to find how much you spend on each CD. Let pp represent the price you pay for each CD. b. The next day, the CDs are no longer one sale. You have $25....

a. Write and solve an equation to find how much you spend on each CD. Let pp represent the price you pay for each CD. b. The next day, the CDs are no longer one sale. You have $25....

Determine the age of a rock containing .065g of 238uranium(Half-life: 4.5x10^9) and .042 of 206Carbon. (Assume all lead came from U). Enter answer in scientific notation and with correct...

A radioactive isotope at time t is 1/2 ^ t/t(half-life). The halflife of carbon 14 is 5730 yrs. What fraction of carbon 14 in a piece of charcoal remains after 19.0 yrs 1.600 x 10^4 yrs and 1.8000...

If A is directly proportional to C and B is directly proportional to C, prove that each of the following is directly proportional to C. a) A+B b) A–B c)√AB

David wishes to deposit $2000 in a bank for 5 years. Two banks caught his interests. SBD BANK -8% simple interest for 1st year -4% simple interest for subsequent years CBCO...

Find k so that the following function is continuous on any interval j(x) = kcos(x), x ≤ 0 and 7e^x − k, 0 < x First off what does it mean by "so...

A fabric remant from a burial site has a Carbon-14 / Carbon 12 ratio of .721 of the original value. How old is the fabric in years?

a) Solve 3x2 + 7x – 6= 0 (I can do this) b) Hence state the positive value of y for which 3/y2 + 7/y – 6= 0. (I can't understand this...

Residents of the town of Maple Grove who are connected to the municipal water supply are billed a fixed amount yearly plus a charge for each cubic foot of water used. A household using 1000 cubic...

Solve for x: (give exact answers) 4x^2-3x=1 I factored and got x=1, and -4, but only my x=1 answer was accepted. I have four tries left but I am still unsure on how to find the second...

A cylindrical can has a base radius of 3.4 cm. It contains a certain amount of water such that when a sphere is placed inside the can, the water just covers the sphere. If the sphere fits...

The “London Eye” Ferris wheel takes 30 minutes to make one full revolution in a clockwise direction. A particular seat is initially at the lowest point, d meters above ground level. When it reaches...

|6y-3|+8=35 Solve for y

The perimeter of a triangle is 10 (that is, a+x+(x+1)=10). Use this and the cosine law to solve for x. Round answers to 2 decimal places. Triangle: <BAC: 60degrees line...

triangle DEF and triangle QRS are right triangles. If Δ DEF is simular to Δ QRS, and m<EFD= 65°, which of the following angles also has a mesure of 65°?

A collection of coins contains only 10-cent and 5-cent coins.There are x 5cent coins in the collection. Write an algebraic expression for of following. * The total value of the coins if for every...

(x+yi)4=-7-24I Find x and y In complex numbers

10 math

ABC is a triangular plot of land in which ACB is a right angle. The length of AB is (2x+1)m, the length of AC is (x–1)m and the length of BC is (2x–5)m. a) Using Pythagoras...

A school conducted a survey to find out which games students enjoy watching the most. The table below contains the results of the survey. Grade Basketball Baseball Football Soccer Tennis...