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inysia [295]
3 years ago
7

Jackson's robot moved 5 meters in 2 seconds How far did he move in 30 sec? (please explain and use fractions)

Mathematics
1 answer:
tatyana61 [14]3 years ago
8 0

75 meters

Step-by-step explanation:

5 x 30/2

= 5 x 15

= 75 meters

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-56.72 divided by -8
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7.09

Step-by-step explanation:


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3 years ago
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Simplify the expression: (9 + 6m) + 21
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<em>6m+30 </em>

Step-by-step explanation:

<u>Add 9 and 21</u>

<u>Hope this Helped!</u>

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Explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of
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Each equation is a line and therefore will intercept each other at a single point. These points converge where the two y values are the same as that will produce the same coordinate. Therefore, we find the place where the two y values are equal to each other by setting the equations equal to each other.

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In 36 years, ishaan will be 3 times as old as he is right now. How old is he right now
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4 0
3 years ago
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Give a third degree polynomial that has zeros of 13, 5i, and −5i, and has a value of −680 when x=3. Write the polynomial in stan
Vikki [24]

Answer:

\dfrac{17x^3-221x^2+425x-5525}{9}\\

Step-by-step explanation:

hello

we need to find something like, a being real

a(x-13)(x-5i)(x+5i)

with a so that

a(3-13)(3-5i)(3+5i)=-680\\\\a(-10)(3^2-(5i)^2)= -10(9+25)a=-360a=-680\\ a = \dfrac{680}{360}=\dfrac{17*40}{9*40}=\dfrac{17}{9}

so the third degree polynomial that we are looking for is

\dfrac{17}{9}(x-13)(x-5i)(x+5i)\\=\dfrac{17}{9}(x-13)(x^2+25)\\\\=\dfrac{17}{9}(x^3+25x-13x^2-13*25)\\\\\\=\dfrac{17}{9}(x^3-13x^2+25x-325)\\\\\\\\=\dfrac{17}{9}x^3-\dfrac{17*13}{9}x^2+\dfrac{17*25}{9}x-\dfrac{17*325}{9}\\=\dfrac{17}{9}x^3-\dfrac{221}{9}x^2+\dfrac{425}{9}x-\dfrac{5525}{9}\\

hope this helps

3 0
3 years ago
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