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MATH SOLVE
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What are the sine, cosine, and tangent of 5 pi over 4 radians? sin θ = square root 2 over 2; cos θ = negative square root 2 over 2; tan θ = −1 sin θ = negative square root 2 over 2; cos θ = negative square root 2 over 2; tan θ = 1 sin θ = square root 2 over 2; cos θ = negative square root 2 over 2; tan θ = 1 sin θ = negative square root 2 over 2; cos θ = square root 2 over 2; tan θ = −1
General
8 months ago
If triangles ABC and XYZ are in perspective, name or describe the points that must be collinear according to the Desargues’ theorem.a.AB and XZ, AC and XY, BC and YZc.AB and BC, AC and XZ, BC and YZb.AB and XY, AC and XZ, BC and YZd.AB and XY, AC and XY, BC and YZ
General
8 months ago
3 roads, a, b, andc. b is three times longer thana. c is twice as long andb. draw the roads. what fraction of the total length of the roads is the length of a? if road b is 7 miles longer than road a, what is the length of road c?
General
8 months ago
Evaluate the definite integral. 1/4 csc(2πt) cot(2πt) dt 1/12
General
8 months ago
Which side lengths represent the sides of a right triangle? A) 2, 3, 5 B) 7, 24, 25 C) 7, 23, 25 D) 12, 16, 21
General
8 months ago
Which of the following is a solution of x2 + 2x = −2?
General
8 months ago
Maya has a lot of 50% sugar syrup. Genna has 20 quarts of a 20% sugar syrup. The girls want to use all Genna’s syrup and some of Maya’s syrup to make a 40% sugar syrup. How much of Maya’s syrup should they use?
General
8 months ago
use the substitution method to solve the system of equations. choose the correct ordered pair | y = 4x - 2 | y = x + 13
General
8 months ago
Presley is organizing the school book sale. Each stall will have 40 books on the shelf and 2 boxes of books with b books inside. Presley also has 200 books in inventory to refill the shelves as books sell. This situation can be written as the following expression: 40s + (2b)s + 200 How many books should Presley have ready if she plans to open 8 stalls and have 12 books in each box? A) 520 B) 712 C) 820 D) 1,622
General
8 months ago
What is the approximate radius of a 112 48 cd nucleus?
General
8 months ago
You have $45 to spend at the music store. each cassette tape costs $5 and each cd costs $12. write a linear inequality that represents this situation. let x represent the number of tapes and y the number of cds. 5x + 12y ≥ 45 5x + 12y ≤ 45 12x + 5y ≥ 45 12x + 5y ≤ 45
General
8 months ago
Which of the following represents a rotation of ΔEFG, which has vertices E (4, −3), F (−7, 5), and G (2, 8), about the origin by 180°?----- E (3, 4)F (−5, −7)G (−8, 2) E (−4, 3)F (7, −5)G (−2, −8) E (−4, 3)F (−7, −5)G (−2, −8) E (−4, 3)F (7, −5)G (−2, 8)
General
8 months ago
The population of a town after t years is represented by the function f(t)=19,350(0.976)t . What does the value 0.976 represent in this situation? a.The population of the town increases by 0.976 each year. b.The initial population of the town is 0.976. c. The population of the town is 0.976 times the population of the town in the previous year. d. The population of the town decreases by 0.976 each year.
General
8 months ago
Two bicyclists are 200 miles apart when they start racing towards one another. If their speeds are 12 mph and 6 mph respectively, how much time will elapse before they are twenty miles apart?
General
8 months ago
What is the recursive rule for this geometric sequence? 2, 12, 18, 132, ... Enter your answers in the boxes. an= _ ⋅an−1 a1=_
General
8 months ago
Match the following.Given A = {1, 2, 3, 4, 5} B = {2, 4, 6} C = {1, 3, 5}1. A ∪ B null, or empty set 2. A ∪ C {1, 2, 3, 4, 5, 6} 3. A ∩ B {2, 4} 4. A ∩ C {1, 3, 5} 5. B ∩ C {1, 2, 3, 4, 5}
General
8 months ago
The sum of the digits of a two-digit number is 11. when the digits are reversed, the number increases by 27. find the original number.
General
8 months ago
Company A charges a fee of $5 for a cab ride, plus a charge of $0.50 for each mile driven. Company B charges a fee of $10 for a cab ride, plus a charge of $0.10 for each mile driven. For what number of miles driven will the cost of a cab ride be the same for both companies? Enter your answer in the box.
General
8 months ago
For A, is it correct that the roots/x-intercepts are the positive and negative square root of 7?For B, how could I prove that the tangents are parallel? The wording reminds me of the Mean Value Theorem, but we didn't spend a lot of time on that in class and I'm not terribly familiar with it.
General
8 months ago
Which function has a horizontal asymptote of y = 3? f(x) = 3(2x)f(x) = 2(4)x–3f(x) = 2(3x)f(x) = 2(4x) + 3
General
8 months ago
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