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SCORPION-xisa [38]
3 years ago
14

Someone please help!

Mathematics
2 answers:
zysi [14]3 years ago
4 0
264 in. I believe. If you multiply them all
Veronika [31]3 years ago
4 0
The answer is 290. The previous answer is incorrect because they calculated volume. The question asks for SURFACE AREA.
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The line with equation −a+3b=0 coincides with the terminal side of an angle θ in standard position and sinθ<0 .
Anna11 [10]
If a is the variable of the horizontal axis, then you can solve for b to get the equation of the line in slope-intercept form in the a,b plane:

-a+3b=0\implies b=\dfrac a3

i.e. a line with slope \dfrac13 through the origin, which means it is contained in the first and third quadrants. Since the terminal side of \theta has a negative sine, the angle must lie in the third quadrant.

Because the slope of the line is \dfrac13, you can choose any length along the line to make up the hypotenuse of a right triangle with reference angle \theta. Any such right triangle will have \tan\theta=\dfrac13, regardless of whether the angle is the first or third quadrant. But since \theta is known to lie in the third quadrant, and so \sin\theta and \cos\theta are both negative, you have

\tan\theta=\dfrac{\sin\theta}{\cos\theta}=\dfrac13\implies \dfrac{\sin\theta}{\cos\theta}=\dfrac{-1}{-3}\implies \cos\theta=-3
6 0
3 years ago
Read 2 more answers
ANSWER THIS CORRECTLY FOR BRAINLIEST!!!!<br><br> This is 8th grade<br> algebra btw
gulaghasi [49]

Answer:

V = 2143.57

Step-by-step explanation:

To find the volume of a sphere you need to use this formula:

V = \frac{4}{3}\pi r^{3}

r = radius

Solve:

You need the radius from the diameter. Divide 16/2 which is

8.

V = \frac{4}{3}(3.14) 8^{3}

V = 2143.57

7 0
2 years ago
Read 2 more answers
Four friends go out to dinner and decide to split the bill evenly.Each friend orders a soda for $2.00, an entree for $12.99 and
Kryger [21]
$5.75 If I am correct then that would be awesome
8 0
3 years ago
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The graph of g(x) = (1/2)x is the graph of f(x) = 2x reflected over the y-axis. Which graph represents g(x)?
larisa [96]
Reflect across y axis means that you replace x with -x

f(-x)=2(-x)=-2x
g(x)=-2x
de graph is the one that passes through (0,0) and (1,-2) and -1,2)
4 0
3 years ago
Read 2 more answers
Tim has $250 in his account. This is $75 more than his brother Nate has in his account. Write and solve an addition equation to
BaLLatris [955]

Answer: 250+75

Step-by-step explanation:

250+75= 325

7 0
3 years ago
Read 2 more answers
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