Answer:
The proportionality statement which is true is;
(B)
Step-by-step explanation:
From the diagram, given that the two pentagons are similar, we have;
1.
2.
By similarity of the two polygons, we can get the following statements from among the options;
3.
Therefore, the proportionality statement which is true from the given is the statement;
The best step to do next is to add 80 to both sides of equation:
5 ( x² + 8 x ) + 80 = 14 + 80
and since 80 = 5 · 16
5 ( x² + 8 x + 16 ) = 94 Answer : B )
After that we will continue like this:
5 ( x + 4 )² = 94
( x + 4 )² = 18.8 ... etc
Answer:
Discriminant is greater than zero, so the roots are unequal and real.
Step-by-step explanation:
We use discriminant to find the nature of the roots
discriminant formula is, b^2 - 4ac
13^2 (-4) × 4 × 6 = 169 - 96 ➡ 73 >0 if discriminant greater than 0 that means the roots are real and unequal.
Answer:
Step-by-step explanation:
The diameter of a sphere is 87 feet.
We need to find its surface area. The formula for surface area is given by :
Where
r is the radius of the sphere
So, the surface area of the sphere is equal to .
Answer:
0.46 per donut. 46 cents
Step-by-step explanation:
5.49/12=0.4575
Rounding to the nearest cent is about 46 cents per donut.