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lilavasa [31]
3 years ago
5

10) Will mark BRAINLIEST + 10 POINTS :)

Mathematics
2 answers:
GaryK [48]3 years ago
5 0
The answer is A.
(sqrt(6)+sqrt(2))/4

You can solve this using the unit circle, or simply enter cos(pi/12) into your calculator then type those possible answers into your calculator and see which answer equals the same as cos(pi/12).
Mariana [72]3 years ago
4 0
Answer is A.

√6 + √2
----------
     4
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A ball rolled 81 feet in 3 minutes. What was this ball's average speed, in feet per second?
mario62 [17]

Answer:

i already answered but 0.45

Step-by-step explanation:

5 0
3 years ago
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The length of a rectangle is 5 cm more than its width. The perimeter is 82 cm. Find the length of the rectangle.
weeeeeb [17]

We will represent the length of the rectangle as l and the width as w.


From this problem, we can say l = w + 5. We can also deduct an equation from the second sentence:

2l + 2w = 82

2(w + 5) + 2w = 82 (from substitution)

2w + 10 + 2w = 82

4w = 72

\boxed{w = 18}


Using this value for w, we can find l:

l = 18 + 5

\boxed{l = 23}


The length of the rectangle is 23 cm and the width of the rectangle is 18 cm.

7 0
4 years ago
01
Fofino [41]

Answer:

-0.8, -0.2, 0.8, 1.6

Step-by-step explanation:

7 0
2 years ago
Pls help will give brainliest !
zvonat [6]

Being multiplied by 5 every time. Answers are a=250 b=1,250 c=6,250

5 0
3 years ago
Which value of c would make the following express completely factored? 8x+cy
Artist 52 [7]
The answer is B, 7.

\sf 8x+2y

We can factor a 2 out of this: \sf 2(4x+y)

\boxed{\sf 8x+7y}

We can't factor anything.

\sf 8x+12y

We can factor a 4 out of this: \sf 4(2x+3y)

\sf 8x+16y

We can factor an 8 out of this: \sf 8(x+2y)

So your answer is B, 7.
6 0
3 years ago
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