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What is the sum of the polynomials (7x^3-4x^2)+(2x^3-4x^2)
General
6 months ago
in 2010 , a city's population was 55,210 and it was declining at a rate of 1.09% each year. which is the best prediction for when the city's population will first be below 48,000?
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6 months ago
Team tool Bella canoed 15 3/4 miles in 5 1/4 hours. What was their average rates of speed in miles per hour?
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6 months ago
Solve 5 - 2x < 7 A) x < -1 B) x > -1 C) x < -12 D) x > -12please hurry thank you soooooooooooooooooooooooo much!!!!!!!!!!!!!!
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6 months ago
Horatio weighs three times as much as Kimberly, and together they weigh a total of 95 kilograms. If h represents Horatio's weight, and k represents Kimberly's weight, which system of equations could you use to determine how much each weighs?
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6 months ago
There is a 20% probability that a person inoculated with a particular vaccine will get the disease anyway. a county health office inoculates 83 people. What is the probabythat exactly 10 of them will get the disease at some point their lives?
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6 months ago
Yesterday, the price of a gallon of gas at five gas stations was $3.64, $3.79, $3.70, $4.01, and $3.91, respectively, but today each gas station raised its price by $0.08. What is today's mean price of a gallon of gas at the five stations? A. $3.81 B. $3.89 C. $3.73 D. $3.97PLEASE BE CORRECT.
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6 months ago
x - 2y = 3 5x + 3y = 2 The lines whose equations are shown intersect at which point? (1, -1) (-1, 1) (0, 3/2)
General
6 months ago
determine whether each set of side lengths could be the sides of a right triangle Drag and drop each set of side lengths to the correct box right triangle not a right triangle 8 in 15 in 17 in. 4 in 15 in 17 in
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6 months ago
For the weight of the box that she measured, Beatriz determined the margin of error as 23.5 pounds to 24.5 pounds. What was the greatest possible error for her actual measurement? 0.5 pounds 1 pound 24 pounds 24.5 pounds
General
6 months ago
PLEASE HELP8.07a, part 11. Find the vertex, focus, directrix, and focal width of the parabola. (1 point)negative 1 divided by 40 x squared equals y A) Vertex: (0, 0); Focus: (0, -10); Directrix: y = 10; Focal width: 160 B) Vertex: (0, 0); Focus: (-20, 0); Directrix: x = 10; Focal width: 160 C) Vertex: (0, 0); Focus: (0, -10); Directrix: y = 10; Focal width: 40 D) Vertex: (0, 0); Focus: (0, 10); Directrix: y = -10; Focal width: 102. Find the standard form of the equation of the parabola with a focus at (0, -2) and a directrix at y = 2. A)y2 = -2x B) y2 = -8x C) y equals negative 1 divided by 8 x squared D) y equals negative 1 divided by 2 x squared3. Find the standard form of the equation of the parabola with a focus at (-8, 0) and a directrix at x = 8. A) y equals negative 1 divided by 32 x squared B) y2 = 16x C) 16y = x2 D) x equals negative 1 divided by 32 y squared4. A building has an entry the shape of a parabolic arch 84 ft high and 42 ft wide at the base, as shown below.A parabola opening down with vertex at the origin is graphed on the coordinate plane. The height of the parabola from top to bottom is 84 feet and its width from left to right is 42 feet.Find an equation for the parabola if the vertex is put at the origin of the coordinate system. A) y2 = -21x B) x2 = -21y C) x2 = -5.3y D) y2 = -5.3x5. Find the center, vertices, and foci of the ellipse with equation x squared divided by 81 plus y squared divided by 225 equals 1 . A) Center: (0, 0); Vertices: (-15, 0), (15, 0); Foci: (0, -9), (0, 9) B) Center: (0, 0); Vertices: (0, -15), (0, 15); Foci: (-9, 0), (9, 0) C) Center: (0, 0); Vertices: (0, -15), (0, 15); Foci: (0, -12), (0, 12) D) Center: (0, 0); Vertices: (-15, 0), (15, 0); Foci: (-12, 0), (12, 0)6. Find the center, vertices, and foci of the ellipse with equation 2x2 + 8y2 = 16. A) Center: (0, 0); Vertices: the point zero comma negative two square root two and the point zero comma 2 square root two ; Foci: Ordered pair 0 comma negative square root 6 and ordered pair 0 comma square root 6 B) Center: (0, 0); Vertices: (-8, 0), (8, 0); Foci: Ordered pair negative 2 square root 15 comma 0 and ordered pair 2 square root 15 comma 0 C) Center: (0, 0); Vertices: (0, -8), (0, 8); Foci: Ordered pair 0 comma negative 2 square root 15 and ordered pair 0 comma 2 square root 15 D) Center: (0, 0); Vertices: the point negative square root six comma zero and the point square root six comma zero ; Foci: Ordered pair negative square root 6 comma 0 and ordered pair square root 6 comma 07. Graph the ellipse with equation x squared divided by 36 plus y squared divided by 49 equals 1 . A) A horizontal ellipse is shown on the coordinate plane centered at the origin with vertices at the point negative seven comma zero and the point seven comma zero. The minor axis has endpoints at zero comma six and zero comma negative six. B) A vertical ellipse is shown on the coordinate plane centered at the origin with vertices at the point zero comma seven and zero comma negative seven. The minor axis has endpoints at negative six comma zero and six comma zero. C) A horizontal ellipse is shown on the coordinate plane centered at (6, 7) with vertices at (–1, 7) and (13, 7) and minor axis endpoints at (6, 13) and (6, 1). D) A horizontal ellipse is shown on the coordinate plane centered at the point six comma seven with vertices at the point negative one comma seven and thirteen comma seven. The minor axis has endpoints at six comma thirteen and six comma one.8. Find an equation in standard form for the ellipse with the vertical major axis of length 10 and minor axis of length 8. A) x squared divided by 25 plus y squared divided by 16 equals 1 B) x squared divided by 5 plus y squared divided by 4 equals 1 C) x squared divided by 4 plus y squared divided by 5 equals 1 D) x squared divided by 16 plus y squared divided by 25 equals 19. Find the vertices and foci of the hyperbola with equation quantity x plus 5 squared divided by 36 minus the quantity of y plus 1 squared divided by 64 equals 1 . A) Vertices: (-1, 3), (-1, -13); Foci: (-1, -13), (-1, 3) B) Vertices: (3, -1), (-13, -1); Foci: (-13, -1), (3, -1) C) Vertices: (-1, 1), (-1, -11); Foci: (-1, -15), (-1, 5) D) Vertices: (1, -1), (-11, -1); Foci: (-15, -1), (5, -1)
General
6 months ago
The triangles are congruent by SSS or HL. The diagram shows the sequence of three rigid transformations used to map ABC onto A"B"C". What is the sequence of the transformations? rotation, then reflection, then translation rotation, then translation, then reflection reflection, then translation, then rotation reflection, then rotation, then translation
General
6 months ago
Christian is comparing two checking accounts. One has a monthly fee of $7 and a per-check fee of $0.20, and the other has a monthly fee of $8 and a per-check fee of $0.15. What is the minimum number of checks Christian needs to write for the second bank to be a better option? A. 22 B. 21 C. 19 D. 18
General
6 months ago
Find the area of a sector with a central angle of 2pi/15 and a radius of 18.8 m
General
6 months ago
Gerald graphs the function f(x) = (x – 3)2 – 1. Which statements are true about the graph? Check all that apply. The domain is {x| x ≥ 3}. The range is {y| y ≥ –1}. The function decreases over the interval (–∞, 3). The function increases over the interval (–1, ∞). The axis of symmetry is x = –1. The vertex is (3, –1).
General
6 months ago
Complete the following in 4 to 6 sentences: First, list two intellectual property rights. Then, describe why an intellectual property right provides incentives for people to produce creative work.
General
6 months ago
Which sentence is an example of the distributive property
General
6 months ago
Use a table of function values to approximate an x-value in which the exponential function exceeds the polynomial function. f(x) = 3(4)(2x-4). h(x) = (x + 2)3 + 1.A) x=-3B) x=0C) x=2D) x= 4
General
6 months ago
Line VW is to be drawn on the graph such that it is perpendicular to line . If the coordinates of point W are (–1, y), what is the value of y?Y=
General
6 months ago
What is the equation of the line described below written in slope-intercept form? the line passing through point (0, 0) and parallel to the line whose equation is 3x + 2y - 6 = 0
General
6 months ago
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