10/20/17

Solve the system of equations by the addition method. If a system contains decimals, you may want to first clear the equation of decimals.
Solve the system of equations by the addition method. If a system contains decimals, you may want to first clear the equation of decimals.   0.02x+0.02y=-0.12 -0.1x+0.3y=-0.4
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10/20/17

prove that x and y are even if 5x + y = 8
I have to prove that x and y are even if 5x + y = 8
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10/20/17

The population of the world in 1987 was 5 billion and the annual growth rate was estimated at 2 percent per year.
 Assuming that the world population follows an exponential growth model, find the projected world population in 2015.
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10/20/17

In triangle ABC, angle B is twice as large as angle A. Angle C measures 20° more than angle A. Find the measures of the angles.
I know the angles add up to 180, but im not sure how to set up the rquation to begin solving it. 
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10/20/17

Molly wants to buy 9 2/3 cups of almonds. There are 4 5/6 cups of almonds in each package. How many packages of almonds should Molly buy?
Simplify your answer and write it as a proper fraction or as a whole or mixed number.
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10/20/17

Two six-sided dice are rolled. What is the probability that one of the dice shows a 5 or the dice sum to 3?
 Two six-sided dice are rolled. What is the probability that one of the dice shows a 5 or the dice sum to 3?
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10/20/17

write a quintic polynomial function with real coefficients in standard form that has 2+i with dual multiplicity and 3 as a root
write a quintic polynomial function with real coefficients in standard form that has 2+i with dual multiplicity and 3 as a root
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10/20/17

finding range of f(x)= √(1-e^x+2)
i was able to find the domain of f(x)= √(1-e^x+2) i set 1-e^x+2 >/= 0  and i found that x</= -2   How would i determine the range? 
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10/20/17

Prove this relation:
if 3x5y=325, then x=2 and y=1 
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10/20/17

points {(-3,2), (0,1), (4,6)} are on the graph of function f. What are the coordinates of these three points after a horizontal compression by a factor of 1/3?
horizontal compression 
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10/20/17

How do I create a form of y=f(x) that satisfies each set of conditions. Can someone please help?
How do I create a form of y=f(x) that satisfies each set of conditions:   A. Verticle asymptote at x=4, hole at x=0   B. Verticle asymtotes at x=-5 and x=1, hole at x= -1   C. Holes at x=3... more
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10/20/17

4xsquare+16x-3
4x2+16x-3
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10/20/17

Equation of X axis
Coordinate geometry
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10/19/17

How much money does Barry have
Ashley Berry and Kelly have change in their pockets Ashley has three times as much money as Barry and twice as much money as Kelly together they have $0.55 how much money does Barry have  
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10/19/17

word problem
The Everton College store paid $1755 for an order of 45 calculators. The store paid $11 for each scientific calculator. The others, all graphing calculators, cost the store $56 each. How many of... more
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10/19/17

Marvin sorted his toy cars. He had 32 cars. He can sort them into groups of 10 and as single cars. What are all of the ways that Marvin can sort his cars?
Groups of 10 cars.         Single cars           3.                                     2
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10/19/17

Linear equation word problem
Please write a complete sentence in which you define the unknown quantity of a variable. Set up an equation with your variable, solve the equation and check your solution in the original equation.... more
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10/19/17

Principal P borrowed and loan’s future value A at time t is given. Determine loan’s simple interest rate r to nearest tenth of a percent.
P=6000.00 A=7260.00 t=3 years
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10/19/17

What is 3 1/3 divided by 2/3
I really need help so if you can help me
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10/19/17

What ticket price will maximize the revenue?
the student council plans to run the school talent show to raise money for charity. Last year, tickets sold for $11 each and 400 people attended. The student council has decided to raise the ticket... more
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10/19/17

Word problem
If family makes Hollywood travel plans see their grandparents are the 351 miles away they leave it 8:30 AM and arrive at 3:15 PM the same day traveling nonstop calculate the average rate of speed... more
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10/19/17

If (3, −9) is the midpoint of segment PQ and the coordinates of Q are (−5, −12), find the coordinates of P.
If (3, −9) is the midpoint of segment PQ and the coordinates of Q are (−5, −12), find the coordinates of P.
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10/19/17

If (−4, 3) is the midpoint of segment PQ and the coordinates of P are (−11, 5), find the coordinates of Q.
If (−4, 3) is the midpoint of segment PQ and the coordinates of P are (−11, 5), find the coordinates of Q.
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10/19/17

Word problem in description
The diagonal of a square parking lot is approximately 8,485 feet long.(a) Find the length of one side of the parking lot. Round to the nearest foot. (b) Find an approximate area of the parking lot.
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10/19/17

Passing through (3, 2) and perpendicular to -9x+ y = 7
Use the given conditions to write an equation for the line in standard form.
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