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zysi [14]
3 years ago
10

2 sine squared theta plus sine theta minus 1 equals 02sin2θ+sinθ−1=0

Mathematics
1 answer:
frutty [35]3 years ago
4 0
I did not even understand that equation
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Please, can someone help?
LekaFEV [45]
The area of that figure is 2453.25 square feet

First, you would need to find the area of the rectangle

(L)(W)
(70)(30)
2100

Then since it is only a semi circle, the formula is pi*r^2/2

You find the area of a full circle first

(3.14)(15^2)
(3.14)(225)
706.5

Then you divide that by 2 since it’s only half a circle

706.5/2 = 353.25

Finally you add that by the area of the rectangle

2100 + 353.25 = 2453.25 square feet
3 0
3 years ago
The tail on Alex's dog is 5 1/4 inches long. This length is between which two inch marks on a ruler
Andrei [34K]
5 and 6 because 5 1/4 = 5.25.
5.25 is less than 6, but greater than 5.
8 0
3 years ago
Read 2 more answers
Sont au
Sonbull [250]

Answer:

4

Step-by-step explanation:

5

3 0
3 years ago
Any one pls helpp! i dont understand this???
ozzi

Answer:

X= 10, 20, 30, 40, 50, 60

Step-by-step explanation:thats

thats all i know

3 0
2 years ago
Read 2 more answers
42x^2 + 32 - 18 =6062
Elenna [48]
Okay, we start with 42x^2 + 32 - 18 = 6062. To solve single-variable equations like this one, we want to isolate the x by moving all of the other numbers to the other side of the equation. We need to first subtract 32 and 18, and that equals 14. Now our problem looks like this, 42x^2 + 14 = 6062. Since 14 is the only other number on the left side, we subtract four from both sides! This gives us 42x^2 + 14 - 14 = 6062 - 14, so 42x^2 = 6062. Now to find x, we want to just have one x on the left side instead of 42, so we divide the equation by 42 to find that 42x^2/42 = 6048/42, so x = 12
4 0
3 years ago
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