C) 13
The y value adds one by every x; therefore 4 would be 13.
Here to solve the equation we need to plug in the value y as given. -5x+2(7x)=9. -5x+14x=9. 9x=9. X=1.
Answer:
The Proof with Statement and Reasons is given below.
Step-by-step explanation:
Given:
∠DAF ≅ ∠EBF,
DF ≅ FE
Prove:
Δ ADF ≅ Δ BFE
Proof:
Statements Reasons
a. ∠DAF ≅ ∠EBF ...........................Given
48. <u>∠DFA ≅ ∠EFB </u> ..........................Vertical Angles are congruent
DF ≅ FE ...........................49. <u>Given</u>
50.<u> Δ ADF ≅ Δ BFE
</u> .........................<u>By Angle-Angle-Side tes</u><u>t</u>
Earth diameter = 12,750 km
Earth radius = 6,375 km
Sphere Surface Area = <span> 4 • <span>π <span>• r²
</span></span></span>Sphere Surface Area = 4 * 3.141<span>59 * 6375^2
</span>Sphere Surface Area = 4 * 3.14159 *
<span>
<span>
<span>
40,640,625
</span>
</span>
</span>
<span>
<span>
<span>
Earth's Entire </span></span></span><span>Surface Area = 510,704,724 square kilometers
Surface NOT covered by water = </span><span>510,704,724 * .3
</span>Surface NOT covered by water =
<span>
<span>
<span>
153,211,417</span></span></span><span> square kilometers</span>