Answer:
Step-by-step explanation:
Perimeter of quarter circle = r + r + ![\frac{1}{4}*2*\pi *r](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B4%7D%2A2%2A%5Cpi%20%2Ar)
![= 10 + 10 + \frac{1}{4}*2*3.14*10\\\\= 10 + 10 + 3.14*5\\\\\\= 10 + 10 + 15.70\\\\= 35.70 cm](https://tex.z-dn.net/?f=%3D%2010%20%2B%2010%20%2B%20%5Cfrac%7B1%7D%7B4%7D%2A2%2A3.14%2A10%5C%5C%5C%5C%3D%2010%20%2B%2010%20%2B%20%203.14%2A5%5C%5C%5C%5C%5C%5C%3D%2010%20%2B%2010%20%2B%2015.70%5C%5C%5C%5C%3D%2035.70%20cm)
2) d = 2*10 = 20 cm
Perimeter of semicircle = diameter + (1/2) * circumference of circle
![= 20 + \frac{1}{2}* 2*\pi *r\\\\= 20 + \frac{1}{2}*2*3.14*10\\\\= 20 + 3.14*10\\\\= 20 + 31.4\\\\= 51.40 cm](https://tex.z-dn.net/?f=%3D%2020%20%2B%20%20%5Cfrac%7B1%7D%7B2%7D%2A%202%2A%5Cpi%20%2Ar%5C%5C%5C%5C%3D%2020%20%2B%20%5Cfrac%7B1%7D%7B2%7D%2A2%2A3.14%2A10%5C%5C%5C%5C%3D%2020%20%2B%203.14%2A10%5C%5C%5C%5C%3D%2020%20%2B%2031.4%5C%5C%5C%5C%3D%2051.40%20cm)
3) Perimeter of three-quarter = r + r + (3/4)* circumference of circle
![= 10 + 10 + \frac{3}{4}*2*\pi *r\\\\= 10 + 10 + \frac{3}{4} * 2 * 3.14 * 10\\\\= 10 + 10 + 3 * 3.14 * 5\\\\= 10 + 10 + 47.1\\\\= 67.1 cm](https://tex.z-dn.net/?f=%3D%2010%20%2B%2010%20%2B%20%5Cfrac%7B3%7D%7B4%7D%2A2%2A%5Cpi%20%2Ar%5C%5C%5C%5C%3D%2010%20%2B%2010%20%2B%20%5Cfrac%7B3%7D%7B4%7D%20%2A%202%20%2A%203.14%20%2A%2010%5C%5C%5C%5C%3D%2010%20%2B%2010%20%2B%203%20%2A%203.14%20%2A%205%5C%5C%5C%5C%3D%2010%20%2B%2010%20%2B%2047.1%5C%5C%5C%5C%3D%2067.1%20cm)
Answer:
the answer is 5,90
Step-by-step explanation:
3x - 4y = 8
y = mx + b ; m is the slope ; b is the y-intercept
-4y = -3x + 8
y = -3x/-4 + 8/-4
<u>y = 3/4 x - 2</u>
Need to check if the given choices have the same slope.
3x + 4y = -8
4y = -3x - 8
y = -3/4 x - 8/4 = -3/4 x - 2
6x - 8y = 12
-8y = -6x + 12
y = -6/-8 x + 12/-8
y = 3/4 x - 1 1/2
9x - 12y = 24 This equation would cause a consistent-dependent system
-12y = -9x + 24
y = -9/-12 x + 24/-12
<u>y = 3/4 x - 2</u>
16x + 12y = -10
12y = -16x - 10
y = -16/12 x - 10/12
y = -1 1/3 x - 5/6
The correct answer is. v=25/2
Step-by-step explanation:
area = length x width
area = 1,792 sq cm
length = 56 sq cm
width = ?
equation = 1,792-56= 1,736
Answer:
1,736 sq cm