3 years ago

Can someone help me Plz

Mathematics

1 answer:

Dominik [7]3 years ago

7 0

Answer:

Step-by-step explanation:

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Rosita paid$27.08, including tax , for her family to eat dinner at a restaurant. She wants to tip a whole dollar amount that is

Bumek [7]

A reasonable tip would be $5.00

Rosita paid $27.08 an wants to tip a whole dollar closest to 20%.

The first step is therefore to find out 20% of $27.08.

= 20% x 27.08

= $5.42

The closest whole dollar depends on the first decimal point.

If it is 5 and above, the tip would be $5 as we would round down.

If it is 4 and below, the tip would be $6 as we would round up.

The first decimal is 4 so we would round down to $5.00

The tip would therefore be $5.00

Find out more at brainly.com/question/24736260.

6 0

2 years ago

In circle pp, ad¯¯¯¯¯ad¯ is a diameter and bc¯¯¯¯¯bc¯ is perpendicular to ad¯¯¯¯¯ad¯ at ee. if pd=7pd=7 and ae=4ae=4, find cece.

kvv77 [185]

See the attached figure.

ad is a diameter of the circle with center p

∵ pd = radius = 7 ⇒⇒⇒ ∴ ad = 2 * radius = 2 * 7 = 14
∵ ae = 4 ⇒⇒⇒ ∴ ed = ad - ae = 14 - 4 = 10
∵ ad is a diameter
Δ acd is a triangle drawn in a half circle
∴ Δ acd is a right triangle at c
∵ bc ⊥ ad at point e
By applying euclid's theorem inside Δ acd
∴ ce² = ae * ed
∴ ce² = 4 * 10 = 40
∴ ce = √40 = 2√10 ≈ 6.325