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3 years ago

7. The original price of a bicycle is $700. It is discounted by 50%. What is the sales price of

Mathematics

2 answers:

Evgen [1.6K]3 years ago

5 0

700/2 = $350 (sales price)

Black_prince [1.1K]3 years ago

4 0

Answer:

$350.

Step-by-step explanation:

50% translates over to 1/2, so you take the price of $700 and multiply it by 1/2. You then get $350, which is half of $700.

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Pelomyxa palustris is an amoeba with a length of 4.9 mm.Amoeba proteus has a length of 0.7 mm.How many amoeba proteus would you

prohojiy [21]

Answer:

Step-by-step explanation:

Let n represent the number we're looking for. Then ...

n × (proteus length) = 3 × (palustris length)

n × 0.7 mm = 3 × 4.9 mm

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n = 21

You would have to line up 21 amoeba proteus to equal the length of three pelomyxa palustris.

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3 years ago

The volume of the world's oceans is nearly 1.5 x 10^9 cubic kilometers. Write this number in scientific notation.

Ostrovityanka [42]

The answer is 1.5x10⁹ That is the scientific notation

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3 years ago

Use the algebraic procedure explained in section 8.9 in your book to find the derivative of f(x)=1/x. Use h for the small number

Triss [41]

Answer:

By definition, the derivative of f(x) is

$lim_{h\rightarrow 0}\frac{f(x+h)-f(x)}{h}$

Let's use the definition for $f(x)=\frac{1}{x}$

$lim_{h\rightarrow 0} \frac{\frac{1}{x+h}-\frac{1}{x}}{h}=\\lim_{h\rightarrow 0} \frac{\frac{x-(x+h)}{x(x+h)}}{h}=\\lim_{h\rightarrow 0} \frac{\frac{(-1)h}{x^2+xh}}{h}=\\lim_{h\rightarrow 0} \frac{(-1)h}{h(x^2+xh)}=\\lim_{h\rightarrow 0} \frac{-1}{x^2+xh)}=\frac{-1}{x^2+x*0}=\frac{-1}{x^2}$

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4 years ago

Three consecutive integers have a sum of 56. what are the three integers

denis23 [38]

Answer:

impossible

Step-by-step explanation:

X + X + 1 + X + 2 = 56. To solve for X, you first add the integers together and the X variables together. Then you subtract 3 from each side, followed by dividing by 3 on each side. ...

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3 years ago

Factor the expression: -3r - 15

iren2701 [21]

Answer:

-3(r+5)

Step-by-step explanation:

............

5 0

3 years ago

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