Reference no: EM131023432
Linear equations:
A) 3x - 5(6 - 2x) = 4(x - 8) + 3
B) (w - 3)/8 - (5 - w)/4 = (4w - 1)/8 - 1
C) a = 1 /2(b1 + b2)
For each formula express y as a function of x:
D) y -3 = 1 / 3(x-4)
Solve for the specified variable:
E) xy + 5 = x + 7 for x
Solve the equation. Round answers to three decimal places:
F) 457(36x - 99) = 32(28x - 239)
Find y given that x = 3:
G) y = -3x - 6
Find x given that y = 2, z = -3, and w = 4:
H) z(x - y) = y(x + 5)
Finding the time:
I) If the simple interest on $10,000 at 6% is $3000 then what is the time?
Cigarette usage:
J) The percentage of Americans 18 to 25 who use cigarettes has been decreasing at an approx constant rate since 1974. The function:
P = 47.9 - 0.94n
i) use the formula to find the percentage of smokers in this age group in 2006
ii) use the accompanying graph to estimate the year in which smoking will be eliminated from this age group
iii) use the formula to find the year in which smoking will be eliminated from this age group
Show a complete solution for each number problem:
K) Four consecutive odd integers have a sum of 56. What are the integers?
L) Isoceles triangle. A flag in the shape on an isoceles triangle has a base that is 3.5 inches shorter than either of the equal sides. If the perimeter of the triangle is 49 inches what is the length of the equal sides?
Mixture problems:
M) Alcohol solutions. How many liters of a 10% alcohol solution should be mixed with 12 liters of a 20% alcohol solution to obtain a 14% alcohol solution?
Uniform motion problems:
N) Walk, dont run. Louise walked for 2 hours than ran for 1 and 1/2 hours. If she runs twice as fast as she walks and the total trip was 20 miles then how fast does she run?
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Choke cola is a very old company
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Measure production in terms of quantity
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Prepare a bar graph that displays the number of patients
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Find the equilibrium level of output
: Find the equilibrium level of output. How much should government spending increase to reach a level of output equal to 50,000
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Find the percentage of smokers in this age group in 2006
: Walk, dont run. Louise walked for 2 hours than ran for 1 and 1/2 hours. If she runs twice as fast as she walks and the total trip was 20 miles then how fast does she run?
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Find the square roots of the matrix
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Calculate the average hourly real wage for year
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Calculate the expected real interest rate
: If the actual inflation rate is greater than the expected inflation rate, how are borrowers and lenders affected?
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