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natima [27]
3 years ago
13

Evaluate cos(θ) when θ=3π/2?

Mathematics
1 answer:
Ivanshal [37]3 years ago
3 0

Answer:

0

Step-by-step explanation:

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HELPP A PERSON OUT PLSS! i dont really understand how to do ittt!!
vazorg [7]
29) First of all when I write “^2” I mean to the power of 2. Label the bottom line Z or whatever u fancy. Then make 3 equations to solve simultaneously using a^2+b^2=c^2
(1) 14^2+y^2=Z^2
(2) 6^2+y^2=x^2 and (3) x^2+z^2=20^2
The next step is to solve them simultaneously e.g you can rearrange (2) to give you y^2=x^2-6^2 and then input that into (1) to get 14^2+x^2-6^2=Z^2 and again you rearrange (3) to get z^2=20^2-x^2 and input that in and solve for x. Then you will have to repeat that solving for y and only y as the question doesn’t originally ask for z but only for the values of x and y I assume. Using this idea, from glancing at the other questions you should be able to apply this concept to those other questions, if not then make another post outlining any specific questions
8 0
2 years ago
Mandy has 37 red markers and 24 green markers. She wants to place an equal number of markers on 4 tables. What is the greatest n
gregori [183]

Answer:

15 marker's

Step-by-step explanation:

37+24=61

61÷4=15.25

because she wants an even number of makers the answer is 15.

8 0
3 years ago
Marcus needs to bike at least 80 miles this week for his training if he already has 25 miles this week then how many miles shoul
nadezda [96]

Answer: 55 miles

Step-by-step explanation: Marcus goal is 80 miles for the week. he has already completed 25 miles of that goal so you would subtract 25 from 80 then you would find the miles still left

80-25=55

6 0
3 years ago
Find two consecutive even integers whose sum is 86. Which of the following equations could be used to solve the problem?
Pepsi [2]

Answer:

ucg

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Write the phrase $3 more than four times the cost of a pretzel as an algebraic expression.
zalisa [80]

Answer:

4p+3

Step-by-step explanation:

p=pretzel

8 0
3 years ago
Read 2 more answers
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