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BigorU [14]
3 years ago
6

3 A circle centered at the origin has a radius

Mathematics
1 answer:
tankabanditka [31]3 years ago
8 0

Step-by-step explanation:

x = 7 cos 210 = 7×(-½√3) = -3.5√3

y = 7 sin 210 = 7×(-½) = -3.5

point C (-3.5√3 , -3.5)

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A family of four goes to the movies. Each ticket costs x dollars and $10 for a drink and candy. Each member of the family got a
raketka [301]

Answer: 4x+40 dollars

Step-by-step explanation:

1. Define: since a ticket costs x dollars and 10$ for a drink and candy, your expression would be x+10 dollars.

2. Distrubute: Since there are 4 people, it would be:

4*(x+10)

3. Simplify: 4*(x+10) => 4x+40

Have a nice day! :D

3 0
3 years ago
18 ÷ -3 - -12 x -1 x -11 (the x is times, please solve)
Elena L [17]
126
Explanation
18/-3-(-12)•(-1)•(-11)
divide 18 by -3 and change signs on the 12
(-6)+12•(-1)•(-11)
multiply 12 and -1
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-6+132
126
5 0
3 years ago
What is 323° in radians? A. 16.8 B. 5.6 C. 18.5 D. 7.2
Dmitry [639]
<span>323° in radians
= 323 x pi / 180
= 5.6

answer is 

</span><span>B. 5.6</span>
6 0
4 years ago
The perimeter of a rectangle is 30 inches. If its width is three times its length, find the dimensions of the rectangle.
makkiz [27]
The perimeter of a rectangle is 30 inches. If its length is three times its width, find the dimensions. 30 inches=2(L+W) Divide each side by 2. 15 inches=L+W Substitute for L.
8 0
3 years ago
Read 2 more answers
Find the distance speed=72km/h time=45mins
butalik [34]

The distance is 54 km if the speed and time are 72 km/h and 45 minutes respectively.

<h3>What is distance?</h3>

Distance is a numerical representation of the distance between two items or locations. Distance refers to a physical length or an approximation based on other physics or common usage considerations.

We have:

Speed = 72 km/h

time = 45 mins = 45/60 = 0.75 hours

We know,

Distance = Speed×time

Distance = 72(km/h)×0.75(h)

Distance = 54 km

Thus, the distance is 54 km if the speed and time are 72 km/h and 45 minutes respectively.

Learn more about the distance here:

brainly.com/question/26711747

#SPJ1

8 0
2 years ago
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