A-b is the answers
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Answer:
y = x + 1
Step-by-step explanation:
Answer:
Step-by-step explanation:
![\text{The area of a circle is}\\ \\ A=\pi r^2\\ \\ \pi \approx 3.14,\ r=3ft\\ \\ A=3.14(3^2)\\ \\ A=3.14(9)\\ \\ A\approx 28.3ft^2](https://tex.z-dn.net/?f=%5Ctext%7BThe%20area%20of%20a%20circle%20is%7D%5C%5C%20%5C%5C%20A%3D%5Cpi%20r%5E2%5C%5C%20%5C%5C%20%5Cpi%20%5Capprox%203.14%2C%5C%20r%3D3ft%5C%5C%20%5C%5C%20A%3D3.14%283%5E2%29%5C%5C%20%5C%5C%20A%3D3.14%289%29%5C%5C%20%5C%5C%20A%5Capprox%2028.3ft%5E2)
<span>The answer is 7.0. When you want to round to the nearest tenth, you need to leave only one decimal. The second decimal is 5. So, the first decimal will be rounded to the first bigger number. In this case 6.95, the first decimal number 9 will increase to 10 which means that the number 6.95 will be rounded to a whole number: 6.95 = 7.0</span>
Answer:
144°
Step-by-step explanation:
step 1
Find the measure of the central angle of the regular pentagon
Divide 360 degrees by 5 (the number of sides)
![360\°/5=72\°](https://tex.z-dn.net/?f=360%5C%C2%B0%2F5%3D72%5C%C2%B0)
Let
c----> the center of the pentagon
we know that
m∠ECA=72°
m∠ACB=72°
therefore
m∠ECB=m∠ECA+m∠ACB
substitute the values
m∠ECB=72°+72°=144°
The measure of angle ECB is equal to the degrees that the pentagon rotate