Answer:
E = 12.20(h) - 7.15
h = 6.82 hours
Given:
Pay hour = $12.20 per hour
Bus fare = $7.15
1.Equation:
Assume
She has work for "h" hours
Total earning = E
So,
E = 12.20(h) - 7.15
If,
Total earning = E = $90.45
So,
E = 12.20(h) - 7.15
90.45 = 12.20(h) - 7.15
h = 6.82 hours
Answer:
D. 15 gal
Step-by-step explanation:
A typical size for a car's gas tank is about 15 gallons.
Answer:
A) x^2 + 2x+ y^2 - 4y + z^2 - 2z - 63 = 0
B) radius = 5
center = (4,-1,-3)
Step-by-step explanation:
A ) Determine the curve in which the sphere intersects the yz-plane
determine the radius ( r ) = √((6-(-1))2+(-2-2)2+(3-1)2) = √69
next the equation of the sphere ( curve in which the sphere intersects the yz-plane )
x^2+2x+y^2-4y+z^2-2z-63 = 0
B) determine the center and radius of the sphere
X^2 + y^2 + z^2 -8x + 2y +6z + 1 = 0
(x-4)2+(y+1)2+(z+3)2 = 25 = 52
radius = 5
center = (4,-1,-3)
We know that
The exterior angle measures of a polygon must add up to 360°,
therefore
360°/72°=5 exterior angles
so
5 exterior angles, would mean 5 interior angles and therefore 5 sides to the polygon
The exterior angle and the interior angle of any polygon are supplementary and must add up to 180°.
exterior angle+interior angle=180°
interior angle=180°-exterior angle
interior angle=180°−72°-------> 108°
Each interior angle is 108°
The sum of the interior angles would be
5*108°=540°
the answer is
540°
