If ABCD is dilated by a factor of, the

Mathematics

1 answer:

svetlana [45]2 years ago

7 0

Answer:

(-1, -1)

Step-by-step explanation:

Assuming the dilation is centered at the origin, we can multiply each of the coordinates by the scale factor.

This gives A'(-1, -1)

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A bag contains 3 red, 5 black, and 7 white balls. You take them out, one at a time, without looking. What is the least number of

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Answer:

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Step-by-step explanation:

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A band sells T-shirts at their concerts. After one concert, they sold 320 out of 400 black T-shirts and 270 out of 300 blue T-sh

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Which parabola will have one real solution with the line y = x - 5?

andriy [413]

Answer:

y=x^2+7x+4

Step-by-step explanation:

because the sign before x^2 is positive, the graph would concave up, if there's only one intercept, it has to be the vertex. the vertex is the critical point.

solve every make the derivative of each function equals zero, you get the x where the vertex shall be, then get this"x" into y=x-5 see if the y in y=x-5 is equal to y=x^2+6x+9 or other options.

let me give u an example.

for y=x^2+x-4, the critical point shall be 2x+1=0,x=-1/2, and the y is -4.25,

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2 years ago

Figure ABCD has vertices A(−4, 1), B(2, 1), C(2, −5), and D(−4, −3). What is the area of Figure ABCD?

Juliette [100K]

Check the picture below.

so, notice, the composite is just a 4x6 rectangle, and a triangle whose base is 6 and altitude is 2. So, we can simply get the area of each figure and sum them up.

$\bf \stackrel{\textit{area of rectangle}}{(4\cdot 6)}~~~~+~~~~\stackrel{\textit{area of triangle}}{\cfrac{1}{2}(6)(2)}$