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Svetach [21]
2 years ago
15

Answer correctly please please please for BL

Mathematics
1 answer:
sweet [91]2 years ago
6 0

Answer:

its 12

Step-by-step explanation:

plz mark as brainliest

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the main rotor of a helicopter rotates 430 times per minute. find the number of degrees through which a point on the main rotor
n200080 [17]

Answer:

2580 degrees rotated per second

Step-by-step explanation:

since  you have to find the degrees it rotates per second.

you need to divide 430 by 60 to find rotations per second

1)          430/60

             =  7.16666667 rotations per second

-then you have to multiply it by 360 degrees ,because their is 360 degrees in a circle

2)        7.16666667 (360)

            =  2580 degrees rotated per second

6 0
3 years ago
Whats the square root of 9
kolezko [41]
There are two solutions to this question, one is positive and the other is negative:
\sqrt{9} =3\ or\ -3
7 0
3 years ago
HELP ASAP!! PLS HELP IM BEGGING YOU PLS PLS PLS!! (BRIANLIST)
vampirchik [111]

Answer:

not sure but I think it is no lines of symmetry.

Step-by-step explanation:

the background with trees when folded together don't line up. they aren't similar.

6 0
3 years ago
a man sells an article at a gain of 15%. if it was sold for rupees 600 he would have gained 20%. find the selling price of the a
DanielleElmas [232]
First, you multiply 600 and .20 to find 20% of 600 rupees, which is 120 rupees. Second, you subtract the 20%, (120 rupees) from 600 rupees, which is 480 rupees. After that, you have the original selling price of 480 rupees that the man purchased the article for, but the question is stating that he gained 15% of the original sales price. So, you multiply 480 and .15 to find 15% of 480 rupees, which is 72. However, he GAINED more money than what he payed for the article so you add 72 rupees to 480 rupees to get 552 rupees. In conclusion, the man sells the article for 552 rupees.
4 0
2 years ago
Water coming out of a fountain is modeled by the function f(x) = −x^2 + 5x + 4 where f(x) represents the height, in feet, of the
Anastaziya [24]
Calculating x=3 and x=5, we get f(x)=10 and 4 respectively by plugging the numbers into the equation. Finding the difference and dividing by 2 (since there are 2 seconds between 3 and 5), we get 3, so the answer is either A or C. Since it doesn't only fall 3 feet, we need to specify that it is 3 feet per second, A is right!
6 0
3 years ago
Read 2 more answers
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