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joja [24]
3 years ago
9

Factor completely 81x8 − 1.

Mathematics
1 answer:
Law Incorporation [45]3 years ago
3 0

Answer:

all work is shown and pictured

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Find the total surface area of the figure shown.<br> 20 cm<br> 16 cm<br> 10 cm<br> 12 cm
galben [10]

Answer:

672

Step-by-step explanation:

(1/2×16×12)×2 + (10×12) + (10×16) + (20×10)

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Is y=x^2 a function?
Pie

Answer:

Yes, it is. Functions can only have one output (y) for each input (x). Furthermore, this means each x value will only have one y passing through it. Thus if we plot it on a graph and it passes through a horizontal line more than once, it is not a function. This is called the vertical line test.

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3 years ago
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Please help :) Which expression is equal to 5 plus 4 times 2 minus 6?
nirvana33 [79]

Answer:

5 + 8 - 6

Step-by-step explanation:

or if you want a solved answer its 7.

6 0
3 years ago
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Help asap!!!
dangina [55]

\bf \textit{arc's length}\\\\ s=\cfrac{\theta \pi r}{180}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ r=6.5\\ s=5.7 \end{cases}\implies 5.7=\cfrac{\theta \pi (6.5)}{180}\implies 1026=6.5\pi \theta \\\\\\ \cfrac{1026}{6.5\pi }=\theta \implies \stackrel{\textit{rounded up, using }\pi =3.14}{50.27=\theta }

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3 years ago
When you find the surface area of a cube, you ________ the length of the cube and multiply by 6.
garik1379 [7]

Answer:

A-square

Step-by-step explanation:

The formula for the surface area of a cube is:

SA = 6a²

where a is the length of the cube

7 0
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