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MATH SOLVE
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Given: - 1/2x > 6.Choose the solution set.{x | x R, x > -12}{x | x R, x < -12}{x | x R, x > -3}{x | x R, x < -3}
General
2 months ago
Becky has 30 t shirts in a drawer: 12 Concert shirt 8 team shirts and 10 plain shirt. Of the 10 shirts she randomly selects to give to charity 3 are concert shirts.How does this frequency compare to the expected from what’s the frequency based on the probability of randomly selecting a concert shirt. A. The frequency is 1 fewer than expectedB. The frequency is 9 fewer than expectedC. The frequency is 2 more than expectedD. The frequency is the same as expected
General
2 months ago
The width, w, of a rectangular swimming pool 9r + 1. The area A of the pool is 90r^6+28r^5+2r^(4 )+ 45r^3+5r^2. What is an expression for the length of the pool?
General
2 months ago
The perimeter of the following figure is 18.6 inches. What is the length of n?13.8 in.4.8 in.5 in.7.5 in.
General
2 months ago
which are differences of perfect cubes? Check all that apply. 9a3 – 27 125a12 – 72 216a6 – 27y3 8a15 – 27 225a3 – 216
General
2 months ago
If f(x) = 4x + 5, which of these is the inverse of f(x)?
General
2 months ago
John is 1 8 meter shorter than Paul, and Paul is 0.25 meter taller than Andrew. If John’s height is 1 3 4 meters, what is Andrew’s height?
General
2 months ago
Determine the axis of symmetry for the function f(x)= -2(x + 3)2 - 5.
General
2 months ago
You are getting ready to watch a fireworks display and are sitting about 300 feet away from the launch pad. The angle for you to see the fireworks is about 35°. If the fireworks are launched vertically into the sky, what is the height of the fireworks when they explode?
General
2 months ago
Please need help in this 2 math questions20. Q varies inversely as the square of p, and Q = 36 when p = 7. Find Q when p = 6. A. Q = 6 B. Q = 42 C. Q = 176 D. Q = 4912. Complete the property of exponents. (ab)n = _______ A. an + bn B. anbn C. abn D. an – bn
General
2 months ago
Matrices A and B are square matrices of the same size. Prove Tr(c(A + B)) = C (Tr(A) + Tr(B)).
General
2 months ago
Find the equation of the line going through the points (2,-1) and (5,2) 3x 2y
General
2 months ago
How many cubic yards of soil are needed to fill a planter that is 20 feet long by 3 feet wide by 4 feet tall
General
2 months ago
Let 'A' and 'B' be subsets of a universal set 'U'. 1. Which of the following describes 'A cap B"?! • 1. The set of all elements of 'Uʻ that are elements of both 'A' and 'B'. • 2. The set of all elements of 'U' that are elements of either 'A' or 'B 3. The set of all elements of ‘Uʻ that are elements of neither ‘A’ nor 'B'. • 4. The set of all elements of 'U' that are elements of either 'A' or 'B' but not both. 2. Which of the following describes '(A cup B)""? • 1. The set of all elements of 'U' that are elements of both 'A' and 'B'. 2. The set of all elements of 'U' that are elements of either 'A' or 'B'. • 3. The set of all elements of 'U' that are elements of neither 'A' nor 'B'. • 4. The set of all elements of 'U' that are elements of either 'A' or 'B' but not both.
General
2 months ago
You have decided to invest $1000 in a savings bond that pays 4% interest, compounded semi-annually. What will the bond be worth if you cash it in 10 years from now?N= I/Y= PV= PMT= FV= P/Y=
General
2 months ago
You have a goal of accumulating $500,000 in an account 30 years from now. If the account earns 9% per year, how much would you have to deposit now to grow to the desired goal?N= I/Y= PV= PMT= FV= P/Y=
General
2 months ago
You've deposited $5,000 into a Michigan Education Savings Program (a 529 college savings program) for your daughter who will be attending college in 15 years. In order for it to grow to $24,000 by the time she goes to college, what annual rate of return would you have to earn?N= I/Y= PV= PMT= FV= P/Y=
General
2 months ago
A lady buys 20 trinkets at a yard sale.The cost of each trinket is either $0.30or $0.65. If she spends $8.80, howmany of each type of trinket does shebuy?
General
2 months ago
In the cost function below, C(x) is the cost of producing x items. Find the average cost per item when the required number of items is produced C(x)=7.6x + 10,800 a 200 items b. 2000 items c. 5000 items a. What is the average cost per item when 200 items are produced?
General
2 months ago
At a unit price of $900, the quantity demanded of a certain commodity is 75 pounds. If the unit price increases to $956, the quantity demanded decreases by 14 pounds. Find the demand equation (assuming it is linear) where p is the unit price and x is the quantity demanded for this commodity in pounds.p =At what price are no consumers willing to buy this commodity?$According to the above model, how many pounds of this commodity would consumers take if it was free?
General
2 months ago
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