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3 years ago

A bicycle is marked 40% off the original price of $150. It is then taxed at 7%. What is the final total cost of the bicycle?

Mathematics

2 answers:

seraphim [82]3 years ago

7 0

Answer:

Step-by-step explanation:

postnew [5]3 years ago

6 0

Your answer is: D. $96.75

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How can I simplify this expression using only positive exponents ?

belka [17]

$\dfrac{4}{2}\cdot\dfrac{r^3}{r^5}=2\cdot\dfrac{1}{r^2}\\\\=\dfrac{2}{r^2}$

5 0

3 years ago

on a mathematics test, Mary scored 27 points out of a possible 60 points. what was her percentage mark?

Oksana_A [137]

Answer:

45%

Step-by-step explanation:

$\frac{27}{60} \times 100 = 45\%$

4 0

2 years ago

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iragen [17]

The equivalent expression for (x + 4)^5 is $x^5+ 20x^4+ 160x^3 + 640x^2 + 1280x + 1024$

The expression is given as:

$(x + 4)^5$

To expand the expression, we make use of Pascal triangle, where:

5:= 1 5 10 10 5 1

So, we have:

$(x + 4)^5 = 1 * x^5 * 4^0 + 5 * x^4 * 4^1 + 10 * x^3 * 4^2 + 10 * x^2 * 4^3 + 5 * x * 4^4 + 1 * x^0 * 4^5$

Evaluate the exponents

$(x + 4)^5 = 1 * x^5 * 1 + 5 * x^4 * 4 + 10 * x^3 * 16 + 10 * x^2 * 64 + 5 * x * 256 + 1 *1 * 1024$

Evaluate the products

$(x + 4)^5 = x^5+ 20x^4+ 160x^3 + 640x^2 + 1280x + 1024$

Hence, the equivalent expression for (x + 4)^5 is $x^5+ 20x^4+ 160x^3 + 640x^2 + 1280x + 1024$

Read more about binomial expressions at:

brainly.com/question/13602562

7 0

2 years ago

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Solve they system by addition 7x-2y=3 4x+5y=3.25

noname [10]

Answer: x = 2/7y + 3/7 and

x= -5/4y + 0.8125

Step-by-step explanation: Let's solve for x.

7x−2y=3

Step 1: Add 2y to both sides.

7x − 2y + 2y= 3 + 2y

7x = 2y + 3

Step 2: Divide both sides by 7.

7x/7 = 2y+3/7 this is for the second answer Step 1: Add -5y to both sides.

4x+5y+−5y=3.25+−5y

4x=−5y+3.25

Step 2: Divide both sides by

4/4 x 4 = −5y + 3.25/4

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2 years ago

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docker41 [41]

Its D because if you plug in each # with x it will give you the output which is y.

6 0

3 years ago

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