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MATH SOLVE
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1. Find the interest generated by a balance of $7800 on a credit card charging 27.8% interest per year over a 30 day period using Banker’s Rule.
General
2 months ago
Suppose that we have a white urn containing five white balls and one red ball and we have a red urn containing one white ball andfour red balls. An experiment consists of selecting at random a ball from the white urn and then (without replacing the first ball) selecting at random a ball from the urn having the color of the first ball. Find the probability that the second ball is red. What is the probability that the second ball is red is?
General
2 months ago
state if the triangles in each pair are similar. If so, State how you know that they are similar and complete the similarity statement.
General
2 months ago
Find the value of x and the value of y.
General
2 months ago
Mike sells calculators. His competitor sells a new calculator line for $14 each . Mike needs a 40% markup on selling price to make his desired profit and must meet price competition. What cost can Mike afford to bring these calculators into the store? what is the dollar markup?
General
2 months ago
Find a polynomial function of lowest degree with real coefficients having zeroes of 2 and -Si (Show all work to earn credit.)
General
2 months ago
We are interested in p, the population proportion of all people who are currently happy with their cell phone plans. In a small study done in 2012, it was found that in a sample of 150 people, there were 90 who were happy with their cell phone plans. Using the data from this prior study, find the sample size needed to construct a 95% confidence interval for p with a margin of error of 0.025
General
2 months ago
The value of x must be greater than0 1 3 7
General
2 months ago
V=4/3? r^2 Suppose that, for the sphere in the video, instead of being told how fast the radius is changing, we're told that the volume is increasing at a constant rate of dV/dt=4 cubic centimeters per second. How fast is the radius increasing at the instant when the radius is r=10 centimeters? dr/dt= centimeters per second.Instead of thinking about the volume, suppose that we are interested in how the surface area of the sphere is changing. Use the surface area formula S=4? r^2 to determine how fast the surface area is changing at the instant when the radius is r=20 cm and the radius is increasing at dr/dt=2 centimeters per second. dS/dt=How to get this answer?
General
2 months ago
Eric's apartment is 1350 s1quare feet, how many square meters of carpet will he need to order?
General
2 months ago
The distances between three cities on a map are 45 miles, 56 miles, and 72 miles. Do the positions ofthe three cities form a right triangle? How do we determine this? We use thePythagorean Theorem.
General
2 months ago
Veronica is self employed. In one year, Veronica generates a gross income of $65,500. When calculating her taxes, Veronica is allowed to deduct up to $2,500 in expenses from her gross income (to give the 'operating income'), but if her expenses exceed $2,500 then any surplus must be deducted against her income after tax. In this calendar year, Veronica's total expenses were $5,500. The tax system is such that she must pay 15% tax on any operating income up to $25,000 and then 30% on any operating income over $25,000. Calculate Veronica's net profit, that is, the amount she earns after all taxes and expenses.
General
2 months ago
A baseball team has 30 players. They need to make cuts so that there are at most 25 baseball players on the team. WRite and solve an inequality to find the number of players that must must be cut from the team
General
2 months ago
1. L(15. 1) is the midpoint of the straight line joining point (p. - 2) to point D(-1. q) find p and q.2. M is the midpoint of the straight line joining point A (3. 1/5) to point B.If m has coordinates (7. 3), find the coordinates of B.
General
2 months ago
While John is traveling along a straight interstate highway, he notices that the mile marker reads 243 km. John travels until he reaches the 143 km marker and then retraces his path to the 163 km marker. What is John’s resultant displacement from the 243 km marker? Answer in units of km.
General
2 months ago
Franco and Caryl went to a bakery to buy desserts. Franco bought 3 packages of cupcakes and 2 packages of brownies for $19. Caryl bought 2 packages of cupcakes and 4 packages of brownies for $24. Let x equal the price of one package of cupcakes and y equal the price of one package of brownies. Write a system of equations that describes the given situation.
General
2 months ago
Given matrices G and H below, which statement is true?G= 7 5 4 3 H= -6 -5 -4 -2A.) Matrices G and H are not inverses of each other because G + H does not equal I.B.) Matrices G and H are not inverses of each other because GH does not equal I.C.) Matrices G and H are inverses of each other because GH = I.E.) Matrices G and H are inverses of each other because G + H = I.
General
2 months ago
Suppose you are asked to find minimum and maximum values of a continuous function f: R n → R on one of the following regions: (a) all of R n , (b) an open region in R n (one example is region x 2 1 + . . . + x 2 n < 1), (c) a hypersurface in R n comprised of those points satisfying a single constraint equation g(x1, . . . , xn) = c (examples include the hypersurface defined by x 2 1 + . . . + x 2 n = 1 or x1 + . . . + xn = 0), or (d) a closed and bounded region in R n (an example is the region defined by x 2 1 + . . . + x 2 n ≤ 1). For each of the four types of regions described above: (1) state and defend whether or not a global minimum or global maximum value necessarily exists (either by quoting a theorem from the text that global extrema exist or by giving a specific example of a function that has no global extremum on a particular region type), and (2) explain, in your own words, the procedure for finding the global extrema in the case(s) where they do exist. (definitions, extrema, regions, procedures)
General
2 months ago
What is the missing step in solving the inequality 4(x – 3) + 4 = 10 +6X?1. The distributive property: 4x - 12 + 4 < 10 + 6x2. Combine like terms: 4x -8 <10 + 6x3. The addition property of inequality: 4x < 18 + 6x4. The subtraction property of inequality: -2x < 185. The division property of inequalityxs-9OX-9
General
2 months ago
What is the inverse of the function f(x) = 4x + 8?h(x) = one-quarterx – 2h(x) = one-quarterx + 2h(x) = one-halfx – 2h(x) = one-halfx + 2
General
2 months ago
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