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# Mathematics

#### Which of the following are trigonometric identities ? Check all that apply. Tan^2 x - Ashley Howard

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#### The graph of f(x) = x2 has been shifted into the form f(x) = (x − h)2 + k: a parabola with a vertex of 4, negative 2 What is the value of h? (1 point) Select one: a. 4 b. 2 c. −2 d. −4 Kyle Mckinney

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#### Solve 5 over x plus 8 equals 3 over x for x and determine if the solution is extraneous or not. Donald Ward

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#### What is the area of triangle LMN? A)12 square units B)14 square units C)15 square units D)24 square units Download jpg Megan Page

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#### Find the measure of angle AED FOR M BEC =96 Whitney Matthews

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1 view Blair Lewis

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#### What are the measures of Angles a, b, and c? Show your work and explain your answers.Download jpg William Cain

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#### Find the exact values of sin A and cos A. Write fractions in lowest terms. A right triangle ABC is shown. Leg AC has length 15, leg BC has length 20, and hypotenuse AB has length 25. Donald Ward

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#### Given that D is the midpoint of AB and B is the midpoint of AC, which statement must be true? A: AD = 1/3 AC B: AC = 4DB C: AB + DC = AC D: BK = KCDownload png Mindee Nelson

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#### Which equation is true regarding the angles formed by the diagonals and sides of the rhombus? x + y = z 2x = y + z z + x = 2y 2x + 2y = 4z Justin Parker

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#### In the figure below, triangle ABC is similar to triangle PQR: A right triangle ABC with right angle at B and base BC is drawn. Length of AB is 16, length of BC is 20. A similar right triangle; triangle PQR, which is triangle ABC enlarged and reflected across a horizontal line, is drawn near it. The right angle is at Q. Angle A is congruent to angle P and angle C is congruent to angle R. The length of QR is 80. What is the length of side PQ? Download png Zach Chandler

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#### If the sin 90° = 1, then the cos 0° = _____. (1 point) Melissa Norris

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#### Which rules define the function graphed below Download png Kaitlin Dean

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#### In order to inscribe a circle in a triangle, which line must you construct? A) median B) altitude C) diagonal D) angle bisector Ashley Howard

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#### What is the perimeter of ^PQR with vertices P(-2,9) Q(7,-3) and R(-2,-3) in the coordinate plane? Jeremy Wood

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#### Which step is included in the construction of parallel lines? A. Connect two arcs with a compass. B. Create arcs above the given line with a straightedge. C. Copy an angle by creating arcs with a compass. D. Connect the parallel lines with a straightedge. Deborah Edwards

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#### Which of the following statements is NOT true about the explanatory variable? a) it is used to explain changes in values of another variable b) it is used to predict changes in values of another variable c) it is plotted along the x-axis d) it is a dependent variable Annie Barnes

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#### __________ represents the vertical axis of a demand curve graph. Ross Pratt

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#### Please help!!!!!! In circle C, r = 32 units. What is the area of circle C? 32pi units2 64pi units2 256pi units2 1024pi units 2 Download png Ramon Kelly

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#### Tamara can proofread 12 pages in 6 minutes. how many minutes will it take her to proofread 96 pages? Carlton Burgess

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#### Which equation does the graph of the systems of equations solve? It's a quadratic graph opening down and quadratic graph opening up. They intersect at (0,3) and (2,-5). (a)x2 - 2x + 3 = 2x2 - 8x - 3 (b)x2 - 2x + 3 = 2x2 - 8x + 3 (c)-x2 - 2x + 3 = 2x2 - 8x - 3 (d)-x2 - 2x + 3 = 2x2 - 8x + 3 Jeremy Wood

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#### Which graph is the result of reflecting f(x) = (8)x across the y-axis and then across the x-axis? Melissa Norris

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#### Solve for x in the equation x2-12x+36=90 Jeffrey Rodriguez

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#### What is the measure of arc pqr 75 Kyle Mckinney

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#### Find the value of x to the nearest tenths. the figure is not drawn to scale. x = 15.7 x = 4.4 x = 13.9 x = 1.9 Download png Kyle Mckinney

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#### Choose one of the factors of x3 − 1331. x − 11 x2 − 11x + 121 x2 + 22x + 121 None of the above Mindee Nelson

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#### What are the period and phase shift for f(x) = 5 tan(2x − π)? Period: π; phase shift: x = pi over two Period: π; phase shift: x = negative pi over two Period: pi over two; phase shift: x = negative pi over two Period: pi over two; phase shift: x = pi over two I think it is A.. Please explain William Cain

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#### Which box plot represents the set of data that has the greatest mean absolute deviation William Cain

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#### What is the length of line segment KJ? units units units units Download png Kathy Robinson

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#### Which two-dimensional shape can be rotated to create this solid object? a rhombus rotated about its diagonal a trapezoid rotated about the line joining the midpoints of the parallel sides a pentagon rotated about a perpendicular bisector of a side a hexagon rotated about a line joining two opposite vertices Roger Moore

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#### The graph of a quadratic equation opens down when the value of abc is negative Donald Ward

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#### Which angle forms a vertical pair with nsm a.osl b.smn c.snm d.osn Ronald Miller

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#### What is the measure of angle COA? ° Kathy Robinson

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#### PLEASE PLEASE HELP! LAST QUESTION! A giant pie is created in an attempt to break a world record for baking. The pie is shown below: (picture) What is the area of the slice of pie that was cut, rounded to the nearest hundredth? a. 22.08 ft2 b. 24.45 ft2 c. 26.32 ft2 d. 28.97 ft2 Download gif Carlton Burgess

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#### Two square pyramids have the same volume. For the first pyramid, the side length of the base is 20 in., and the height is 21 in. The second pyramid has a height of 84 in. What is the side length of the base of the second pyramid? James Washington

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#### Consumers influence producers because consumers supply what Melissa Norris

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#### Which statement best describes stocks? A) They should be purchased when prices are high and sold when prices are low. B) They are an investment in a company’s progress and profits. C) They are a type of investment that includes raw materials and natural resources. D) They should be purchased only as long-term investments. Curtis Rhodes

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#### What is the value of x? 14 15 16 17 Download jpg Jeffrey Rodriguez

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#### What coordinate for F would make triangle ABC and triangle DEF congruent ? A. (-2,4) B. (-2,3) C. (-3,3) D. (-3,4) Download jpg Alexa Spicer

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#### AC is tangent to circle O at A. The diagram is not drawn to scale. If mBY =34 degrees, what is < YAC? a. 68 degrees b. 51 degrees c. 73 degrees d. 56 degrees Download jpg Jodi Brooks

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#### For a standard normal distribution, if , what is the value of ? 0.2116 0.2884 0.7116 0.7884 Megan Page

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#### What are the values of a and b? a=400/21, b=580/21 a=400/21, b=20/21 a=580/21, b=29/21 a=20/21, b=580/21 Amanda Johnson

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#### A Ferris wheel car moves from point C to point D on the circle shown below: Circle A is shown with a central angle marked 38 degrees and the diameter marked 20 feet. What is the arc length the car traveled, to the nearest hundredth? 2.18 feet 4.31 feet 5.84 feet 6.63 feet Bethany Evans

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#### Find the geometric mean of 6 and 96. a. 24 b. 29 c. 34 d. 44 Whitney Matthews

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#### Calculate the side lengths a and b to two decimal places. Download png Curtis Rhodes

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#### The minimum value is the smallest y-value of a function. true or false. Theresa Perry

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#### Classify the following expression by degree and term: 4x^2 + 3xy + 12yz A. 2nd degree trinomial B. 3rd degree polynomial C. 12th degree trinomial D. 2nd degree polynomial Blair Lewis

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#### You have 332 feet of fencing to enclose a rectangular region. What is the maximum area? A. 6889 square feet B. 6885 square feet C. 110,224 square feet D. 27,556 square feet Kaitlin Dean

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#### PLEASE HELPPPPP !!!!! Question 3(Multiple Choice Worth 5 points) (09.02 MC) Quadrilateral OPQR is inscribed in circle N, as shown below. What is the measure of ∠QRO? Quadrilateral OPQR is inscribed in circle N. Angle O is labeled x plus 17 degrees, angle Q is 6x minus 5 degrees, and angle R is 2x plus 19 degrees. A) 41 B) 67 C) 113 D) 139 Jessie Thompson

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