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irina1246 [14]
2 years ago
13

The angle \theta_1θ

Mathematics
1 answer:
pashok25 [27]2 years ago
8 0

Answer:

https://tex.z-dn.net/?f=%5Cdfrac%7B3%5Csqrt%7B13%7D%7D%7B11%7D

Step-by-step explanation:

https://tex.z-dn.net/?f=%5Cdfrac%7B3%5Csqrt%7B13%7D%7D%7B11%7D

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The following two sets of parametric functions both represent the same ellipse. Explain the difference between the graphs.
statuscvo [17]
The answer
ellipse main equatin is as follow:

X²/ a²   +  Y²/ b²  =1, where a≠0 and b≠0

for the first equation: <span>x = 3 cos t and y = 8 sin t
</span>we can write <span>x² = 3² cos² t and y² = 8² sin² t
and then  </span>x² /3²= cos² t and y²/8² =  sin² t
therefore,  x² /3²+ y²/8²  =  cos² t + sin² t = 1
equivalent to x² /3²+ y²/8²  = 1

for the second equation, <span>x = 3 cos 4t and y = 8 sin 4t we found
</span>x² /3²+ y²/8²  = cos² 4t + sin² 4t=1

7 0
3 years ago
Read 2 more answers
Combine like terms. What is a simpler form of the expression?<br> -3(-4y + 3) + 7y
VikaD [51]
A simpler form of this expression would be 19y-9
6 0
3 years ago
Read 2 more answers
Find the perimeter ​
Inga [223]

Answer:

56

Step-by-step explanation:

Perimeter= 4S

Perimeter= 4(5)

Perimeter= 20

Perimeter 2= 2(L+W)

Perimeter 2= 2(11+7)

Perimeter 2= 22+14

Perimeter 2= 36

Total Perimeter= P1+P2

Total Perimeter= 20+36

Total Perimeter= 56

6 0
3 years ago
(10 POINTS AND BRAINLIEST)
bekas [8.4K]

Answer:

A.) 15.60=11.40+10x

Step-by-step explanation:

okay we know kathy spent 15.60 in total at the post office

so we know 15.60 will be after the equal sign.

she paid 11.40 only on the package

and rest of money was on stamps.

15.60-11.40= 4.20

so she used 4 dollars and 20 cents for stamps if she bought 10 we need to divied 4.20/10=0.42

0.42 cents for each stamps so we need a equation that will give us this answer.

Me i go thru each one and solve for x

lucky for me i just need to solve one

because equation A solves it correctly.

15.60=11.40+10x

subtract 11.40 on both sides

15.60-11.40

4.20=10x

now we divide 10 on each side

4.20/10=0.42

x=0.42

 

5 0
3 years ago
Read 2 more answers
You will get a loan from a bank for $5000. The interest rate will be 8% and the loan will be for 3 years. You will need to calcu
Leviafan [203]

Answer:

5000×8×3/100

1200

1200×10/100

120

3 0
2 years ago
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