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lilavasa [31]
3 years ago
14

Please help please please

Mathematics
2 answers:
Darya [45]3 years ago
3 0

49.71666... round to where you need to. I might be wrong. The formula should  be ArcLength = angle / 360 * 2 pi radius so 150/360*(2*pi*19)

arlik [135]3 years ago
3 0

Answer: 49.72 feet (approximate to 2 decimal places; using pi = 3.14)

=============================================================

Explanation:

The distance around the entire circle (also known as the circumference) is found by the formula

C = 2*pi*r

with C being the circumference, pi = 3.14 approximately, and r is the radius. The circumference of this circle is approximately C = 119.32 because C = 2*pi*r = 2*3.14*19 = 119.32

---------

The arc length is the shaded darker region of the circle's edge marked by the 150 degree central angle. We only want a portion of the entire distance around the circle. So we take a fraction of the circumference to get (150/360)*C = (150/360)*119.32 = 49.71667 = 49.72 which is approximate to two decimal places.

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2[3(4^2 +1)] - 2^3.
Rina8888 [55]

Answer:

94

Step-by-step explanation

P.E.M.D.A.S

4^2=16

(16+1)=17

[3(17)]=51

2[51]=102

2^3=8

102-8=94

5 0
3 years ago
Which rule represents R0, 180°? (x, y) → (–y, x) (x, y) → (–x, –y) (x, y) → (y, –x) (x, y) → (y, x)
muminat

Answer:

(x, y) → (–x, –y)

Step-by-step explanation:

The rule for 180° rotation about the origin is

(x,y)\to (-x,-y)

The coordinates of the image are obtained by negating both the x and y coordinates of the preimage.

Whether the rotation is clockwise or counterclockwise, the rule remains the same.

The correct option is (x, y) → (–x, –y)

7 0
3 years ago
Read 2 more answers
Pls give me the answer fast I need it......
Tatiana [17]

The answer is 64.

64 + 46 == 110

64-10 == 54

54 - 4 == 50

6+4 == 10

10*5 == 50

5 0
3 years ago
Which of the following systems of equations has no solution?
Law Incorporation [45]
For option d:
5x - 7y = 10 . . . . . (1)
10x - 14y = 8 . . . . (2)

(1) x 2 => 10x - 14y = 20 . . . . . (3)

(2) - (3) => 0 = -14              [not possible]

Therefore, the set of equations in option d, has no solutions.
7 0
3 years ago
Read 2 more answers
Linear system word problem <br>PLEASE SOLVE
tigry1 [53]
Write the equation
popcorn, x
drinks, y
51.25 = 5x + 5y
122.25 = 15x + 8y

<span>Multiply the 1st row by 3
</span><span>15x+15y=153.75</span>
<span><span><span>15x+8y=122.25</span>1
</span></span><span>Subtract the 2nd row from the 1st row
</span>7y=31.<span>5
</span>Divide both sides by <span><span>7
</span></span>y=<span>​​<span>​<span>31.5</span></span><span>​​/7
simplify
y = 4.5

</span></span>Substitute <span>y=4.5</span><span> into any of the two equations above
Let's pick the first equation 
</span><span><span><span>15x+15y=153.75
</span></span></span>15x+15(4.5)=153.75
<span>Simplify
</span>15x+67.5=153.7<span>5
</span>Subtract <span>67.5</span> from both sides
15x=153.75−67.<span>5
</span><span>Simplify
</span><span>15x=86.25</span>
Divide both sides by <span><span><span>15
</span></span></span><span>x=<span>​​<span>​<span>86.25</span></span><span>​​/15
Simplify
</span></span></span><span><span>x=5.75

Therefore, 
</span></span><span>x=5.75</span>
<span><span><span>y=4.5

Follow along on a piece of paper, it'll help you get it.</span></span></span>
7 0
3 years ago
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