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2 years ago

Select the correct answer.

Mathematics

1 answer:

Anestetic [448]2 years ago

3 0

Answer:

25%

Step-by-step explanation:

For every hour $2 is charged so the amount that should've been charged is 8 since the car was parked for 4 hours and 2*4= 8.

she paid 6 dollars so the amount saved = 8-6 = 2 dollars

percentage saved = × 100

percentage saved = 25%

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2 years ago

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My name is Ann [436]

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That was actually trickier than I thought it would be

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3 years ago

work out the total area of triangle ABC. calculate the area of AC. sides are:8.2cm and 13.5cm and angle 81 degrees

umka2103 [35]

Answer:

54.67 cm²

Step-by-step explanation:

Given that the two sides of Δ ABC are 8.2 cm and 13.5 cm and the angle included by those sides is 81°.

Let, b = 8.2 cm and c = 13.5 cm and ∠ A = 81°

Hence, area of triangle ABC, Δ = $\frac{1}{2} bc \sin A$

⇒ Δ = $\frac{1}{2} bc \sin 81$

⇒ Δ = $\frac{8.2 \times 13.5 \times \sin 81}{2}$

⇒ Δ = 54.67 cm² (Answer)

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3 years ago