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Elenna [48]
3 years ago
5

I would appreciate some help with this!

Mathematics
1 answer:
olganol [36]3 years ago
5 0
Circumference is
2\pi(r)
so the circumference is
20\pi
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How many fiths are in 1 whole
sattari [20]
Five fifths are in one whole. 
Don't believe me?
So you just do 1÷5
which is 5!
~JZ
Hope it helps you :)!
6 0
3 years ago
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2. Déla compró un vestido en la venta del 20% ella pago $57.60 por su vestido
ikadub [295]

Answer:

Step-by-step explanation:

El precio original del vestido es,

72 dolares

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3 years ago
Create a list of steps, in order, that will solve the following equation.
AleksandrR [38]

Step-by-step explanation:

Add 1 to both sides

Multiply both sides by 4

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(straight from khan academy hints)

8 0
3 years ago
Two cargo ships spot a signal fire on a small island. The captains know they are 140 feet
Irina18 [472]

The distance from Ship B to the signal fire at point C is 405.4 \mathrm{ft}

Explanation:

It is given that two ships A and B are at a distance 140 ft from each other.

The angle formed by ship A is 82º and the angle formed by ship B is 78º.

To determine the distance from ship B to the signal fire at point C, we need to know the another angle.

Hence, we have,

\begin{aligned}\angle A+\angle B+\angle C &=180^{\circ} \\82^{\circ}+78^{\circ}+\angle C &=180^{\circ} \\160^{\circ}+\angle C &=180^{\circ} \\\angle C &=20^{\circ}\end{aligned}

Now, we shall solve the problem using the law of sines,

\frac{\sin A}{a}=\frac{\sin C}{c}

Substituting the values, we have,

\frac{\sin 82^{\circ}}{a}=\frac{\sin 20^{\circ}}{140}

\frac{0.9903}{a}=\frac{0.3420}{140}

Simplifying, we get,

a=\frac{0.9903 \times 140}{0.3420}

a=405.4

Thus, the distance from Ship B to the signal fire at point C is 405.4 \mathrm{ft}

4 0
3 years ago
How many cards does tommy give to each friend if he gives out a total of 74 cards?
Alex
None, he doesn't have any friends.
7 0
3 years ago
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