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Maurinko [17]
3 years ago
10

dle" class="latex-formula">
how to solve ??

​
Mathematics
1 answer:
Ghella [55]3 years ago
7 0

Answer:

8 \sqrt{72}  = 8 \sqrt{3 \times 3 \times 2 \times 2 \times 2}  \\  = 8 \times 3 \times 2  \times \sqrt{2}  = 48 \sqrt{2}

<h2><u>48√2</u> is the right answer.</h2>
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An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.
Artist 52 [7]

Answer:

7.5 m

Step-by-step explanation:

circumference = 360/72 × 3π = 15π

so the radius of the circle =

15π / 2π = 7.5 m

7 0
3 years ago
The formula to determine energy is E = 1/2mw? What is the formula solved for v?
Stella [2.4K]

Answer:

The formula to determine energy is E = 1/2mw? What is the formula solved for v?

Step-by-step explanation:

The formula to determine energy is E = 1/2mw? What is the formula solved for v?

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Hey, just trying finish up some math before school ends. What's the answer to 3n+2(-2n-1) ? Thanks!
Ksju [112]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Can you help me !!!!!
kari74 [83]

Answer:


Step-by-step explanation:

Okay, so hopefully my crude diagram helps you visualize the problem. When in doubt, always draw a picture.

All I did was graph the points and formed a line.

Slope: It's going to be 0 because it doesn't change at all (no different y values)

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Y intercept is where the line crosses the y axis- this is also where x=0 (find it in your chart!)

Equation is y= 6; I don't know how to explain this, but trust me, it's right

8 0
3 years ago
Circumference of a circle is 14 pi what is the area in square inches express your answer in terms of pie
Alexxandr [17]

Answer: 49π inches²

Step-by-step explanation:

The formula for the circumference of a circle = 2πr

Since the circumference is 14π, we have to find the radius in order to solve the area.

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r = 14π/2π

r = 7

Since area = πr²

= π × 7 × 7

= 49π inches²

5 0
3 years ago
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