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Lyrx [107]
2 years ago
11

Find sales tax and total cost cost: $ 18 rate of sales tax: 7% ​

Mathematics
1 answer:
Phantasy [73]2 years ago
8 0

Answer:

$1.26

$19.26

Step-by-step explanation:

Sales tax = 18(7%) = 18(7/100) = 1.26

Total cost = 18 + 1.26 = 19.26

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What is the area of a triangle whose side is 17 meters long​
Lunna [17]

Answer:

125.141

Step-by-step explanation:

Assuming that this is an equilateral triangle, I am going to divide this triangle in half to get a right triangle.

17 is our hypotenuse

17/2 = 8.5, this is one of our legs

The other leg is our height, which we will find.

We use Pythagoras Theorem to find the height/leg: a^{2} +b^{2} =c^{2}

17^{2} -8.5^{2} = 216.75

\sqrt{216.75} = 14.72243186

Now, we use another formula to find the area of the triangle: \frac{Base*Height}{2}

14.72243186 × 17 = 250.2813416

250.2813416 ÷ 2 = <u>125.1406708</u>

8 0
3 years ago
The rectangle below has an area of 8x^5+12x^3+20x^28x 5 +12x 3 +20x 2 8, x, start superscript, 5, end superscript, plus, 12, x,
neonofarm [45]

Answer:

The width is: w(x)=4x^2

The length is l(x)=2x^2+3x+5

Step-by-step explanation:

The given rectangle has area given algebraically by the function:

a(x)=8x^5+12x^3+20x^2

The width of the rectangle is the greatest common factor of 8x^5,  12x^3 and 20x^2

That is the width is: w(x)=4x^2

We now divide the area by the width to obtain the length of the rectangle:

l(x)=\frac{8x^5+12x^3+20x^2}{4x^2}

This simplifies to:

l(x)=\frac{8x^5}{4x^2}+\frac{12x^3}{4x^2}+\frac{20x^2}{4x^2}

l(x)=2x^2+3x+5

8 0
3 years ago
Read 2 more answers
Help needed ASAP will give you BRAINLIEST and 5 stars RATE
natita [175]

Answer:

Illustration (A)

Step-by-step explanation:

An Illustration a book or newspaper or something else that gives a brief explanation on a topic which helps us understand. Like a print feature, I could draw and make a article on a Print feature.

8 0
4 years ago
Jake Hunter earns an hourly rate of $16.00 and he receives double time for overtime Last week he worked 40 hours at his regular
777dan777 [17]

The amount Jake Hunter earned  last week was $800.00

What is the total earnings of Jake Hunter for the week?

The total earnings of Jake Hunter for the week comprises of the regular rate multiplied the regular hours of 40 hours and the overtime rate, which is double of the regular pay multiplied by the overtime hours of 5 hours

Total earnings=($16*40)+($16*2*5)

2 means double of the regular pay of $16 , then multiplied by 5 overtime hours

Total earnings=$640+$160

Total earnings=$800.00

Find out more total earnings on: brainly.com/question/10432308

#SPJ1

7 0
2 years ago
Numbers less than 20 which have exacly 3 factors pls!
Lana71 [14]

Answer:

9,40 is the answer of your question

3 0
2 years ago
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