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miv72 [106K]
3 years ago
11

2 cos(3x+40°)-1=0 Thanks for your question

Mathematics
1 answer:
Nana76 [90]3 years ago
8 0

Step-by-step explanation:

gjfjdjjfu from Florida for Christmas and technology center and technology and technology

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Bond [772]
What do you need help with?
5 0
3 years ago
A sphere and a cylinder have the same radius and height. The volume of the cylinder is 21 meters cubed. A sphere with height h a
8090 [49]

Answer:

C. 14 metres cubed

Step-by-step explanation:

The volume of a sphere is denoted by: V=\frac{4}{3} \pi r^3, where r is the radius, while the volume of a cylinder is denoted by: V=\pi r^2h, where r is the radius and h is the height.

Here, we know that the sphere and cylinder have the same radius and height. However, the "height" of the sphere is technically just the diameter, which is twice the radius. So, h = 2r. We know the volume of the cylinder is 21, so:

V=\pi r^2h=\pi r^2*2r=2\pi r^3

21=2\pi r^3

πr³ = 21/2 = 10.5

Now plug this into the volume of a sphere formula:

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

V=\frac{4}{3} *10.5=14

The answer is C, 14 metres cubed.

5 0
3 years ago
Read 2 more answers
How do u write these numbers from greatest to least
ycow [4]
I don't know what numbers you want me to order from great to least, but a example is 1,510, 964, 478, 219, 96, 57, 35, 10, 9, 4, 3,
8 0
4 years ago
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Given the formula k = Lmn what is the formula for m
Luden [163]
\sf Solve \ for \ m \\  \\ k = lmn \\  \\ Flip \ equation  \\  \\ lmn = k \\  \\ Divide \ both \ sides \ by \ ln \\  \\  \dfrac{lmn}{ln} =  \dfrac{k}{ln}  \\  \\ m =  \dfrac{k}{ln}
8 0
4 years ago
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The length of the top of a table is 55 m greater than the width. the area is 8484 msquared2. find the dimensions of the table.
Oksana_A [137]
You have to do similar calculations you use in algebra. This is how I get the answer;
First I draw out the algebraic formula 55m • X = 8,484 m (meters) 2 (squared). Then I switch the sign from multiplication to division and switch put numbers 55 and 8,484 in different places and change it to your new formula 8,484/(divided) 55 =X. Then you do the math of 8,484 divided by 55 and get an answer of 154.254545. But you can just leave it at the first 2 digits on the right side of the decimal by rounding 4 down and leaving it at an answer of ~~(<This is your answer after being put together with these tips (you always right your final answer using your formula and plugging in the number that we got from dividing 8,484 by 55;

Final answer ( if they wanted it included in a formula); 8,484/55=X let X=~~154.25

Final answer (if they wanted it as one final number as you answer); ~~154.25

*Hope these tips helped you with this mathematical problem :)
4 0
3 years ago
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