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IrinaVladis [17]
3 years ago
7

(Picture included) Please solve:

Mathematics
1 answer:
DerKrebs [107]3 years ago
4 0

Answer:

\$16.625\approx \$16.30

Step-by-step explanation:

Original price = $17.50

Discount = 5%

Find the amount of discount (in dollars):

5\%=0.05\\ \\\$17.50\cdot 0.05=\$0.875

Now, the sale price is

\text{Sale Price}=\text{Original Price}-\text{Discount}\\ \\\text{Sale Price}=\$17.50-\$0.875\\ \\\text{Sale Price}=\$16.625\approx \$16.30

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Answer:

b = 17

Step-by-step explanation:

For this triangle we have to

a=18.2\\B=62\°\\C=48\°

We want to find the length of b

We know that the sum of the internal angles of a triangle is 180 °

So

A + 62 +48=180\\\\A=180-62-48\\\\A=70\°

Now we use the sine theorem to find the length of b:

\frac{sin(A)}{a}=\frac{sin(B)}{b}=\frac{sin(C)}{c}

Then:

\frac{sin(A)}{a}=\frac{sin(B)}{b}\\\\b=\frac{sin(B)}{\frac{sin(A)}{a}}\\\\b=a*\frac{sin(B)}{sin(A)}\\\\b=(18.2)\frac{sin(62)}{sin(70)}\\\\b=17

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3 years ago
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3 years ago
In a mathematics class, half of the students scored 79 on an achievement test. With the exception of a few students
Yakvenalex [24]
In this situation, you have:
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3 years ago
Does the equation 6x + 35 = -6x - 35 have no, one, or infinite solutions?
fenix001 [56]

Answer:

The equation has one solution.

Step-by-step explanation:

6x + 35 = -6x - 35

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add 35 to both sides of the equation

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divide -12x on both sides of the equation

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Answer:

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