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denis-greek [22]
3 years ago
11

What does rotation about (-3,-4) mean

Mathematics
1 answer:
umka2103 [35]3 years ago
3 0

Answer:

Step-by-step explanation:

Depends on what kind of rotation you would be doing. But for example, if you are rotating 90 degrees about a point on a graph, your point (x, y) changes to (-y, x). Then another 90 degrees would be (-x, -y).

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If the surface area of a cube is 150 cm², what is the volume of the cube?
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Answer:125

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(05.02) In the figure below, angle y and angle x form vertical angles. Angle x forms a straight line with the 50° angle and the
Irina18 [472]

<u>☁️</u><u>My Answer☁️:</u>

y = 90°

<u>✧My Step-by-step explanation✧:</u>

The angle x forms a straight line with the both the 50° angle and the 40° angle:

x + 50° + 40° = 180°

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3 years ago
Write a polynomial function in factored form with double roots at -2 and 5 and the constant term of the polynomial in standard f
Amanda [17]

Answer:

f(x)=-0.4x^4+2.4x^3+8.4x^2-24x-40

Step-by-step explanation:

If -2 and 5 are double roots of the polynomial function, then the function expression is

f(x)=a(x-(-2))^2(x-5)^2\\ \\f(x)=a(x+2)^2(x-5)^2

Rewrite this function in standard form:

f(x)=a(x^2+4x+4)(x^2-10x+25)\\ \\f(x)=a(x^4-10x^3+15x^2+4x^3-40x^2+100x+4x^2-40x+100)\\ \\f(x)=a(x^4-6x^3-21x^2+60x+100)\\ \\f(x)=ax^4-6ax^3-21ax^2+60ax+100a

The constant term of the polynomial in standard form is -40, so

100a=-40\\ \\a=-\dfrac{40}{100}=-0.4

Therefore, the function expression is

f(x)=-0.4x^4-6\cdot (-0.4)x^3-21\cdot (-0.4)x^2+60\cdot (-0.4)x+100\cdot (-0.4)\\ \\f(x)=-0.4x^4+2.4x^3+8.4x^2-24x-40

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4 years ago
Three friends paid $26.25 to see a movie. How much did each ticket cost?
Elanso [62]

Answer:

8.75

Step-by-step explanation:

26.25 divided by 3 equals 8.75

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3 years ago
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