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snow_tiger [21]
2 years ago
9

ONLY ANSWER IF YOU KNOW, SHOW WORK

Mathematics
1 answer:
yulyashka [42]2 years ago
6 0

Answer:

hello,

Step-by-step explanation:

cos(3\theta)+cos(4\theta)\\\\=2*cos(\dfrac{4\theta+3\theta}{2} )*cos(\dfrac{4\theta-3\theta}{2} )\\\\\boxed{=2*cos(\dfrac{7\theta}{2} )*cos(\dfrac{\theta}{2} )}

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find the area and circumference of a circle that has a diameter of 17mm. Write your answer in terms of "pi" and as a decimal app
mariarad [96]

Answer:

72.25π, 17π

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

˜”*°•.˜”*°• Area: •°*”˜.•°*”˜

Well, the formula for area is πr^2

π8.5^2=72.25π

˜”*°•.˜”*°• Circumference: •°*”˜.•°*”˜

The formula for circumference is 2πr

2π8.5=17π

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

Please, please give brainliest, it would be greatly appreciated, I only a few more before I advance, thanks!

4 0
3 years ago
Identify the slope and y-intercept of the line y=−3x+7?
Alinara [238K]

Answer:

you can use the calculator easily

Step-by-step explanation:

mode setup - choose 7

F(X) =-3x+7

Plot graph

Plot all you need

6 0
2 years ago
Read 2 more answers
Helllllp math and I don’t get along
Zarrin [17]
X=2 sorry if I’m wrong!!!
8 0
3 years ago
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Please help! Correct answer only!
sladkih [1.3K]

Answer:

You have three card : 3, 4, 5 and 6.

You first pick one card randomly, the probability of picking a 3 is:

P = 1/4

You then pick a second card without putting the first card back, the probability of picking a 3 is:

P = 1/3

=> The probability of picking a 3 and then picking a 3:

P = (1/4) x (1/3) = 1/12

Hope this helps!

:)

6 0
3 years ago
Currently Shawn pays $550 per month to rent his apartment. Next year his rent will increase by 13.5% from what he currently pays
Whitepunk [10]

a) Simply do 0.135(13.5%)*550 to get that his rent increases by $74.25.

b) Simply do 550+74.25 to get that his new rent is $624.25.

c) 624.25/550 = 1.135, or 100%+13.5%, the amount his rent increased.

<em>Hope it helps <3</em>

7 0
3 years ago
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