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what is the point of intersection of these two lines:25x+10y=10010x+20y=120
General
5 months ago
Sheldon invests $15,000 in an account earning 3% interest, compounded annually for 12 years. Seven years after Sheldon's initial investment, Howard invests $15,000 in an account earning 6% interest, compounded annually for 5 years. Given that no additional deposits are made, compare the balances of the two accounts after the interest period ends for each account. (round to the nearest dollar)
General
5 months ago
Which of the following is a secant?
General
5 months ago
PLEASE HELP ASAP!A line is drawn so that it passes through the points (-3,-1) and (4,2). a. What is the slope of the line?b. Using the point (4,2) and the slope found above, write the equation of the line in point-slope form.Please write out how you got your answer or the steps you took.
General
5 months ago
What is the discriminant of the quadratic equation 3 - 4x = -6x^2-68-567688
General
5 months ago
Please help I don’t really understand how to go about it.
General
5 months ago
Today joelle walked at a rate of 3 miles per hour and she ran 15 minutes at a rate of 6 miles per hour.How many total miles did joelle travel while walking and running
General
5 months ago
Study the table. x y –2 8 –1 2 0 0 1 2 2 8 Which best describes the function represented by the data in the table? linear with a common ratio of 4 linear with a common second difference of 4 quadratic with a common ratio of 4 quadratic with a common second difference of 4
General
5 months ago
Which of the following statements are correct? Select all that apply.1. The regular polygon ABCDEFG is made up of 7 equilateral triangles 2. The regular polygon ABCDEFG has 14 diagonals 3. The regular polygon ABCDEFG can be broken down into 2 isosceles trapezoids and 1 isosceles triangle 4. The apothem of the regular polygon ABCDEFG is greater than the radius 5. The central angle of the polygon ABCDEFG is about 51.43° and each interior angle is about 128.57°6. The area of the circumcircle will be the same as the area of the polygon.7. The central angle ABCDEFG is the same measure of the exterior angle
General
5 months ago
Jan'ai was asked to determine the minimum for a function with zeros located at -1 and 5, which also has a y-intercept of (0,25). Her work is shown. Begin to write a function in factored form. f(x) = a(x+1)(x-5)Substitute to determine a. -25 = a(0+1)(0-5)Simplify and solve to find a. a=5Rewrite the function. f(x) = 5(x+1)(x-5)Rewrite in standard form. f(x) = 5x^2-20x-25Find the x-coordinate of the vertex. x = -20/2(5) = -20/10; x = -2Find the y-coordinate of the vertex. y = 5x^2-20x-25 y = 5(-2)^2-20(-2)-25 y = 35 so (-2,35)Which best describes the first error in Jan'ai's work?A) She incorrectly determined the factors for the beginning function.B) She incorrectly determined the a value.C) She incorrectly transformed the equation to standard form.D) She incorrectly determined the x-coordinate of the vertex.
General
5 months ago
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