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3 years ago

Graph the inequality of x<0

Mathematics

1 answer:

alina1380 [7]3 years ago

6 0

The graph is shown below.

We use an open dot at zero because x is only less than 0,

it's not less than or equal to 0.

So we have an open dot at 0 going to the left.

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Using geometry, calculate the volume of the solid under z=64−x2−y2and over the circular disk x2+y2≤64

Anarel [89]

Perhaps you mean to find the volume under $z=\sqrt{64-x^2-y^2}$ ? It seems like you have to rely on calculus otherwise (in the case that you indeed mean $z=64-x^2-y^2$ ).

Assuming this, note that $z=\sqrt{64-x^2-y^2}$ describes the top half of a sphere with radius 8, which means the volume below this surface over the disk $x^2+y^2\le64$ is simply half the volume of the sphere. Thus the volume is

$\dfrac43\pi8^3=\dfrac{2048}3\pi$

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3 years ago

Need help please<br> please use the image below to answer

spayn [35]

Answer:

Step-by-step explanation:

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3 years ago

Tina’s bedroom is in the shape of a rectangular prism 15 feet long, 12 feet wide, and 10 feet high. It has no windows. Tina want

Tanya [424]

Answer:

720ft²

Step-by-step explanation:

Wall 1&2 = lh = 15*10=150

Wall 3&4 = wh = 12*10=120

Ceiling = lw = 12*15=180

120+150+120+150+180=720ft²

7 0

3 years ago

-7a-10=20-3a please show work help

olga_2 [115]

$-7a-10=20-3a$

Combine like terms:
$-4a -10 = 20$
$-4a = 30$

Solve for a:
$a = -\frac{30}{4} = -7.5$

Your answer: a = -7.5

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3 years ago

Solve the equation. (Absolute Value)<br><br> | -6x | 54

Natali5045456 [20]

Are you are saying that the absolute value of negative six times x equals 54? If you are, then the answer is x equals positive or negative 9. To solve, set up two equations, because it is an absolute value question. In the first equation, write -6x=54. Divide by -6 to get -9. That is just one of two answers. In the second equation, write 6x=54. Divide 54 by 6 to get positive 9. Your answer is positive and negative 9.

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3 years ago