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Brrunno [24]
3 years ago
10

Find the sale price of the item. Round to two decimal places when

Mathematics
1 answer:
Wittaler [7]3 years ago
4 0

First, determine what 15% of $40 is.

Convert 15% to a decimal: 0.15

Then multiply this decimal by $40: 0.15 x 40 = 6

So the discount is $6.

We subtract the discount from original price to get sale price.

40-6= 34

So the item will cost $34.

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What is the mean of the following numbers: 5, 7, 4, 4, 5, 4, 6?
jeka57 [31]

Answer:

5

Step-by-step explanation:

5+7+4+4+5+4+6 = 35

35 / 7 = 5

8 0
3 years ago
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Use the Law of Sines to find the missing angle of the triangle.
Natasha2012 [34]

Answer:

m∠B = 70.0° (nearest tenth)

Step-by-step explanation:

<u>Sine Rule for Angles</u>

\sf \dfrac{\sin A}{a}=\dfrac{\sin B}{b}=\dfrac{\sin C}{c}

(where A, B and C are the angles and a, b and c are the sides opposite the angles)

Given:

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  • c = 19
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Substituting the given values into the formula to find m∠C:

\implies \sf \dfrac{\sin 40^{\circ}}{13}=\dfrac{\sin C}{19}

\implies \sf \sin C=\dfrac{19\sin 40^{\circ}}{13}

\implies \sf C=\sin^{-1}\left(\dfrac{19\sin 40^{\circ}}{13}\right)

\implies \sf m \angle C=69.96086904^{\circ}

Interior angles of a triangle sum to 180°

\implies \sf m \angle A+ m \angle B+m \angle C=180^{\circ}

\implies \sf 40^{\circ} + m \angle B+69.960...^{\circ}=180^{\circ}

\implies \sf m \angle B=70.03913...^{\circ}

Therefore, m∠B = 70.0° (nearest tenth)

8 0
2 years ago
I need help so badly im cryiiinnngggg
kotykmax [81]

Step-by-step explanation:

<B is the right angle

<A is acute

<C is acute

<D is obtuse

7 0
3 years ago
12x+32=12x-7 how many solutions are there to the equation?
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There are 0 solutions

5 0
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What is a four digit whole number that is divisble by 2​
valentinak56 [21]

Answer:

any even number is divisible by 2.  

Here's an example:  2222

There are lots of others as well.

3 0
3 years ago
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