Solve the equations to find the number and type of solutions. The equation 8 − 4x = 0 has real solution(s).
2 answers:
Answer:
The number of solution is, 1 and the type of solution is, Integer solution.
Step-by-step explanation:
Given the equation:
Add 4x to both sides we have;
Divide both sides by 4 we have;
or
x = 2
Solution for this equation is, 2
Therefore, The number of solution is, 1 and the type of solution is, Integer solution.
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Answer:
The approximated length of EF is 2.2 units ⇒ A
Step-by-step explanation:
<em>The tangent ratio in the right triangle is the ratio between the opposite side to the adjacent side of one of the acute angle in the triangle</em>
In the given figure
∵ The triangle DFE has a right angle F
∵ The opposite side to angle D is EF
∵ The adjacent side to angle D is DF
→ By using the tangent ratio above
∴ tan(∠D) =
∵ DF = 6 units
∵ m∠D = 20°
→ Substitute then in the ratio above
∴ tan(20°) =
→ Multiply both sides by 6
∴ 6 tan(20°) = EF
∴ 2.183821406 = EF
→ Approximate it to the nearest tenth
∴ 2.2 = EF
∴ The approximated length of EF is 2.2 units