3 years ago

A sporting goods store pays $150 for a rubber raft. The percent of markup is 55%. Find the raft’s selling price.

Mathematics

1 answer:

Darina [25.2K]3 years ago

3 0

If my math is correct its about 82.5

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Find the parametric equations for the line that is tangent to the given curve at the given parameter (3cost)i (t^4 -3sint)j

ale4655 [162]

Answer:

Following are the solution to this question:

Step-by-step explanation:

Please find the complete question in the attached file.

In the given equation, when the point t=0

So,

$\to r(0) = (3 \cos 0)i + (0^4 - 6 \sin 0)j + (2e^{3\times 0})k)$

$= (3 \times 1)i + (0 - 0)j + (2e^{0})k)\\\\ = 3i + 0j + (2 \times 1)k)\\\\ = 3i + 0j + 2k \\$

The value of the coordinates are $3, 0, 2$ . so, the equation of the line is:

$\to \frac{(x-3)}{3 \cos \ t} = \frac{(y-0)}{(t^{4}-6 \sin \ t)} = \frac{(z-2)}{2e^{3t}}=k$

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3 years ago

Write the ratio as a fraction in simplest form. 32:42

maks197457 [2]

16/21 is your answer

You can take a 2 out of both numbers to get your answer

I hope this helped! :)

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3 years ago

Read 2 more answers

Can someone solve this:

soldi70 [24.7K]

The answer is 3x-4y-6z

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3 years ago

What is the difference between 25 centimeters and 25 milimeters

Sunny_sXe [5.5K]

1 cm = 10^(-2) m
large differnce
25cm = 25*10^(-2) m or 0.25m

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3 years ago

Mr. Nice's backyard has an area of 225 square feet. What is the length of one side of his backyard?

Fittoniya [83]

Answer:

C. 15 feet

Step-by-step explanation:

Area formula

A = l²

225 = l²

l = √225

l = √15²

l = 15 feet

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3 years ago