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Alex787 [66]
3 years ago
15

You drive your car for 3 hours at an average speed of 130 km per hour. How far did you go? *

Mathematics
1 answer:
stich3 [128]3 years ago
4 0
The answer is 390km. You just multiply 130 x 3.
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What is the inverse one to one function of f(x) = square root of x-2???
alexira [117]
f(x) = \sqrt{x - 2} \\y = \sqrt{x - 2} \\y^{2} = (\sqrt{x - 2})^{2} \\y^{2} = x - 2 \\x^{2} = y - 2 \\x^{2} + 2 = y \\x^{2} + 2 = f^{-1}(x)
6 0
3 years ago
Sheila is flying a kite with 250 feet of her string let out. The angle the kite line makes with a line parallel to the ground is
Svetach [21]
The altitude of the kite:
h = 5 + 250 · sin 45°
h = 5 + 250 · √2 / 2
h = 5 + 250 · 0.7071 = 5 + 176.77 = 181.77 ≈ 182 ft
Answer: The altitude is 183 ft.
8 0
3 years ago
Read 2 more answers
A $280 suit is marked down by 30%. Find the sale price.<br> The sale price is $
storchak [24]

Answer:

84

Step-by-step explanation:

30% * $280

\frac{}{100}

= 84

So, the sale price is $84

3 0
2 years ago
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Simplest form 2/5ths
ratelena [41]

Answer:

2/5 is the simplest form. But in decimal form it is 0.4

Step-by-step explanation:

2/5

=2 divided by 5

=0.4

7 0
3 years ago
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I have tried multiple times to do this many different ways and I have not gotten the correct answer. #9
hodyreva [135]

It's 1.18^{10}  which gives 5.23 times increase in 10 years, so 523% of oryginal price

5 0
3 years ago
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