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[tex](x + \sqrt{3} ) {}^{2} - (x - \sqrt{3} ) { }^{2} = 8 \sqrt{3} [/tex]idk how to solve it
General
7 months ago
Mark deposits $12,000 into an account that pays 4% interest, compounded annually, for 5 years. Saul deposits $10,000 into an account that pays 6% interest, compounded annually, for 8 years. Assuming no additional deposits are made, compare the interest earned on the accounts at the end of the interest period for each. (to the nearest dollar)A) Each account earned the same amount of interest. B) Mark's account earned $40 more interest than Saul's account. C) Saul's account earned $3,338 more interest than Mark's account. D) Saul's account earned $1,339 more interest than Mark's account.
General
7 months ago
On a scale drawing of a swimming pool, 1 inch equals 4 feet. The actual dimensions of the swimming pool are 15 feet by 30 feet. What are the dimensions of the swimming pool in the scale drawing? Explain your answer.
General
7 months ago
Which of the following graphs represents a function?
General
7 months ago
stephen buys x pencils and y notebook for his students each pencil costs $0.45 and each notebook costs $1.25 he buys a total of 210 pencils and notebooks for $142.50 which system of equation represent this situation A x+y= 0.45+1.25y=142.50 B x+y=142.50 0.45x+1.25y=210 C x+y =210 1.25x+0.45y=142.50 D x+y=142.50 1.25x+0.45y=210
General
7 months ago
Why is the answer D for question #49?
General
7 months ago
I can't seem to figure this out, thank you guys! If you can show your work so I can learn that would be great (all three questions go together).1. You and your best friend want to take a vacation to Peru. You have done some research and discovered that it will cost $2400 for the plane tickets, all-inclusive hotel and resort, and souvenirs. You have already saved $1750. If you invest this money in a savings account with a 2.3% interest rate compounded annually, how long will it take to earn enough money to go on the trip? Use the compound interest formula A = P (1 + i)n, where A is the accumulated amount, P is the principal, i is the interest rate per year, and n is the number of years. Round your final answer to the nearest tenth2. You are planning to go on this trip in 2 years. How much money will you need to invest at a 2.3% interest rate compounded annually in order to have $2400 in 2 years? Use the compound interest formula A = P (1 + i)n. (Round final answer to the nearest cent, but otherwise don’t round any intermediate values)3. Now say you only have $1600 to invest and the highest interest rate you can find is 3.55% compounded annually. If you decide to wait 7 years to go on the trip, how much money will you have to spend on the trip? Use the compound interest formula A = P (1 + i)n. (Round final answer to the nearest cent, but otherwise don’t round any intermediate values)
General
7 months ago
A cylindrical canister contains three tennis balls. Assume the tennis balls touch the sides of the canister and the top and bottom with no gaps. If each ball is 2.7 inches in diameter, how much wasted space is in the canister? Round to the nearest hundredth. A) 10.31 in3 B) 15.46 in3 C) 18.04 in3 D) 30.92 in
General
7 months ago
You roll two dice. What is the probability you get a 2 and a number greater than 2?
General
7 months ago
Suppose you just received a shipment of eleven televisions. three of the televisions are defective. if two televisions are randomly selected, compute the probability that both televisions work. what is the probability at least one of the two televisions does not work?
General
7 months ago
find the rule and the graph of the function whose graph can be obtained by preforming the translation 3 units right and 4 units up on the parent function f(x)=x^2
General
7 months ago
the volume of a sphere whose diameter is 18 centimeters is ? cubic centimeters. If its diameter were reduced by half its volume would be ? of its original volume.
General
7 months ago
find the rule and the graph of the function whose graph can be obtained by preforming the translation 3 units left and 2 units down on the parent function f(x)=x^3
General
7 months ago
Mr. pham has 1/4 pan of lasagna left in the Refrigerator. He wants to cut the lasagna into equal slices so can have it for dinner for 3 nights. How much lasagna will he eat each night? Draw a picture to support your response.
General
7 months ago
Consider the curve y=4x-x^3 and the chord AB joining points A(-3, 15) and B(2, -15) on the curve. Find the x- and y-coordinates of the points on the curve where the tangent line is parallel to chord AB.
General
7 months ago
Ms andrew made a line plots below to compare the quiz score for her first period math class and her second -period math class. she gave the same quiz to each class. what conclusion can ms andrew make about the performance to her first dn second period classes
General
7 months ago
create a pattern for the rule a x 3 + 2
General
7 months ago
Find m if the line y=mx−2 intersects y=x^2 in just one point.
General
7 months ago
A card is drawn at random from a deck of fifty-two cards. what is the probability of drawing a diamond, a card with an even number on it, or a card with a number divisible by three on it, but not a card that falls into more than one of these categories
General
7 months ago
Compare each of the functions shown below: f(x) graph of a downward facing parabola with vertex at 2, 3 g(x) = 2 cos(2x − π) + 2 h(x) x y −1 −7 0 −2 1 1 2 2 3 1 4 −2 5 −7 Which function has the largest maximum
General
7 months ago
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