Standard Form : ( x - 1 ) ^2 + ( y + 3 ) ^2 = 5
Center of the circle : ( 1 , -3 )
Radius: line mark over 5
Answer:
C, C and A
Step-by-step explanation:
using the formulae relating to the circle
• Area (A) = πr² ( r is the radius )
• Circumference (C) = 2πr ( r is the radius )
(8)
Area of the interior with r = 4
A = π × 4² = 16π ≈ 50.27 ft² → C
(9)
Area of exterior with r = 7
A = π × 7² = 49π ≈ 154 ft² → C
(1)
Circumference of exterior circle with r = 7
C = 2 × π × 7 = 14π ≈ 44 ft → A
Answer: The correct answer is $85.56
Step-by-step explanation:
If Karen gets 23.5 miles per one gallon of gas, we divide 582.8 miles by 23.5 to see how many gallons she will use to go the 582.8 miles. The answer is 24.8 gallons. (582.8/23.5=24.8)
We then multiply 24.8 ( the total amount of gallons) x $3.45 (per gallon)= $85.56 for the entire trip
Answer:
16.2
Step-by-step explanation:
Tan(angle)=opposite/ adjacent
Angle= 45
Opposite side= x
Adjacent side =10
Substitute into equation: tan(45) = x/ 10
Rearrange (multiply each side by 10): 10 x tan(45) = x
Then work it out on calculator