09/27/20

college algebra word problem

Use the formula A=1/2 bh find the height to the nearest tenth of a triangle with a base of 15 and an area of 110

09/27/20

College algebra word problems

The volume formula for a cylinder is V = π r 2h. Using the symbol π in your answer, find the volume of a cylinder with a radius, r, of 3 cm and a height of 17 cm

09/27/20

college algebra word problem

Use the formula V = π r2h to find the radius of a cylinder with a height of 43 and a volume of 172 π

09/25/20

Probability Ques.

a normal distribution has a mean of 70 and a SD of 8. For each of the following scores, indicate whether the tail is to the right or left of the score and find the proportion in the tail (Hint:... more

09/24/20

College algebra word problem

A = P(1 + rt) is used to find the principal amount P deposited, earning r% interest, for t years. Use this to find what principal amount P David invested at a 4% rate for 15 yr if A = 10,000

09/24/20

College algebra word problem

Paul has $70,000 to invest. His intent is to earn 12% interest on his investment. He can invest part of his money at 8% interest and part at 13% interest. How much does Paul need to invest in each... more

09/24/20

College algebra word problem

Two planes fly in opposite directions. One travels 550 mi/h and the other 450 mi/h. How long will it take before they are 9,000 mi apart?

09/24/20

College algebra word problem

A retired woman has $80,000 to invest but needs to make $9,000 a year from the interest to meet certain living expenses. One bond investment pays 15% annual interest. The rest of it she wants to... more

09/21/20

(-9,-3) and (7,-7)

whats the slope of the line passing (-9,-3) and (7,-7)

09/19/20

College Algebra word problems

Find the maximum value of the quadratic function.y = −3x^ 2 − 6x − 24

09/19/20

college algebra

Rewrite the quadratic function in standard form.f(x) = x2 − 18x + 89

09/16/20

(4,y) (0,5); m=3/4

09/01/20

Personal Finance Math Question

The governments monthly budget allowed them to spend $245 for groceries each month. During November they spent $356.82. How much more or less did they spend than budgeted

08/10/20

Find the empirical formula

A compound containing carbon and hydrogen contains 4.75g of carbon and 0.80g of hydrogen. The molar mass of the compound is about 28g/mol.What is the empirical formula?

07/20/20

Find the missing values assuming continuously compounded interest. (Round your answers to two decimal places.)

Initial Investment: $600Amount after 10 years: $1805Interest Rate: ?Amount of time it takes to double: ?

06/02/20

college algebra

A combined total of $45,000 is invested in two bonds that pay 2% and 6.5% simple interest. The annual interest is $2,340.00. How much is invested in each bond?The amount invested at 2% is $ .The... more

06/02/20

college algebra

A combined total of $51,000 is invested in two bonds that pay 1% and 8% simple interest. The annual interest is $2,890.00. How much is invested in each bond?The amount invested at 1% is $ .The... more

06/02/20

college algebra

A coffee distributor needs to mix a(n) Ethiopian coffee blend that normally sells for $8.10 per pound with a Breakfast coffee blend that normally sells for $14.30 per pound to create 80 pounds of a... more

05/27/20

Find the balance in the account after the time interval. Use the compound interest formula: A = P (1+ r/n ) ^(n.t)

   ​​$7,300 at 7% compounded semiannually for 3 years. ​ =$  (round to two decimal places).

Create an Algebraic Equations for the math problem.

Juan has already run 6 km this month. He plans to run an additional 2.5 km per day. At this rate how long will it take Juan to run 41 km?

Please help! I cannot figure out the steps of going from mass of Hydrogen to moles of carbon in ethanol.

A sample of ethanol (C2H6O) contains 3.024g of hydrogen. How many moles of carbon are in the sample ? Molar Mass of ethanol (C2H6O)=46.07g/mol

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