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solniwko [45]
3 years ago
14

If x=4cos(2t) and y=4sin(2t), what is the parameter of these equations

Mathematics
1 answer:
kobusy [5.1K]3 years ago
7 0

Answer:

y=√(4+x)(4−x)

Step-by-step explanation:

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Please explain the how you got the answers thanks asap
stich3 [128]

Answer:

a) 90 stamps

b) 108 stamps

c) 333 stamps

Step-by-step explanation:

Whenever you have ratios, just treat them like you would a fraction! For example, a ratio of 1:2 can also look like 1/2!

In this context, you have a ratio of 1:1.5 that represents the ratio of Canadian stamps to stamps from the rest of the world. You can set up two fractions and set them equal to each other in order to solve for the unknown number of Canadian stamps. 1/1.5 is representative of Canada/rest of world. So is x/135, because you are solving for the actual number of Canadian stamps and you already know how many stamps you have from the rest of the world. Set 1/1.5 equal to x/135, and solve for x by cross multiplying. You'll end up with 90.

Solve using the same method for the US! This will look like 1.2/1.5 = x/135. Solve for x, and get 108!

Now, simply add all your stamps together: 90 + 108 + 135. This gets you a total of 333 stamps!

5 0
3 years ago
(7x+3) (10x-14) HELP PLEASE
liubo4ka [24]

Answer:

70x^{2}+30x-140

Step-by-step explanation:

(7x+3) (10x-14)

70x^{2}-98+30x-42

70x^{2}+30x-42-98

70x^{2}+30x-140

7 0
3 years ago
Read 2 more answers
PLEASE HELP
suter [353]
For part A add up all your students then add up all your students that like bike riding and skating (80+90) divide that by the total number of students who took the survey

For Part be put 20+40  over the toatl number of student then simplify
7 0
4 years ago
Michelle has fifteen more than two times as many pieces of candy as her sister. Which expression represents the number of pieces
kondaur [170]
Fifteen more means somewhere we’ll add 15. Two times as many as c = 2c. So,

2c + 15 = how much candy Michelle has
2c + 15 is the answer
7 0
3 years ago
Read 2 more answers
A) Compare the Companies. Answer each of the following.
mihalych1998 [28]

hey is this all too then question

4 0
3 years ago
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