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LuckyWell [14K]
3 years ago
9

(1-cos^2 60°)+(1-sin^2 60°)=tan^2 60°​

Mathematics
1 answer:
Aloiza [94]3 years ago
7 0
(1-cos^2 60°)= sin^2 60°
(1-sin^2 60°) = cos^2 60°
Sin^2 60° + cos^2 60°= tan^2 60°
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A jewelry box is in the shape of a rectangular with a volume of 528 cubic inches l. The length of the box is 12 inches and the h
Artist 52 [7]
Volume=length*height*width
528=12*5.5*w

divide both sides by 12
44=5.5w
divide both sides by 5.5
8=w
width is 8 inches
5 0
3 years ago
Slope of -8,4 and 3,-4
nata0808 [166]

For this case we have that by definition, the slope of a line is given by:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}}

Where:

(x_ {1}, y_ {1})and(x_ {2}, y_ {2})are two points through which the line passes

According to the statement we have:

(x_ {1}, y_ {1}): (- 8,4)\\(x_ {2}, y_ {2}) :( 3, -4)

Substituting we have:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {-4-4} {3 - (- 8)} = \frac {-8} {3 + 8} = \frac {-8} {11} = - \frac {8} {11}

Thus, the slope of the line is:

m = - \frac {8} {11}

Answer:

m = - \frac {8} {11}

3 0
3 years ago
Please help me! Will give points and mark brainliest answer. I have been stuck on this for a while too. Will give 30 points.
garri49 [273]

Answers:

1A. You see, every amount of T shirts costs 5.5 times more than it's amount. So if "n" is the number of shirts and "C" is what it costs, then the equation must be C=5.5n.

1B. Idon't know how to graph it here sorry.

1C. You have to look back to the equation. It has our coefficient (5.5n) on one side and C on the other,so the answer is just 5.5n. Now the questions says 120 shirts so (120)5.5 equals 660.

1D. I just did

7 0
3 years ago
Convert 0.2 m^ 3 , into c * m ^ 3​
melisa1 [442]

Step-by-step explanation:

{m}^{3}  =  {cm}^{3}  =  \div {10}^{6}

0.2m^3 = 0.0000002 cm^3

3 0
2 years ago
Fern rounded to the nearest ten to estimate 548-132. She subtracted 540-130 and got 410. Is Fern's estimate correct? Explain.
tensa zangetsu [6.8K]
Fern's estimate is not correct because he rounded 548 wrong, it would be rounded to 550 instead since the number 8 is closer to 10. So the correct answer would be 420.
6 0
3 years ago
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