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Vlad1618 [11]
3 years ago
6

The distance traveled can be calculated using the formula D

Mathematics
1 answer:
Dmitry [639]3 years ago
3 0
Maybe b 60 km/hr for 2 hours
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What is the circumference of area=64pi mi^2
azamat

Answer:

  16pi mi

Step-by-step explanation:

The smallest circumference for a given area is that of a circle with that area. The area is given by ...

  A = πr²

so we can find r as ...

  64π = πr²

  r = √64 = 8 . . . . miles

The circumference of this circle is ...

  C = 2πr = 2π·(8 mi) = 16π mi

The circumference of the area is at least 16π miles.

_____

If the shape is not constrained to a circle, the circumference can be anything you like.

4 0
3 years ago
Can you help me solve this radical equation √y-10 = y-2 the sqrt sign is only over the y-10
matrenka [14]
D:y-10\geq0 \wedge y-2\geq0\\
D:y\geq10 \wedge y\geq2\\
D:y\geq10\\\\
\sqrt{y-10}=y-2\\
y-10=(y-2)^2\\
y-10=y^2-4y+4\\
y^2-5y+14=0\\
\Delta=(-5)^2-4\cdot1\cdot14=25-56=-31\\
\Delta
7 0
3 years ago
If you deposit $13,000 at 4.85% simple interest, what would your ending balance be after five years
ollegr [7]

Answer:

$16152.5 0

Step-by-step explanation:

4 0
3 years ago
PLEASE HELP<br> Simplify the expression to a + bi form:<br> √ 25- √ -25 – √ 36 – √ -4
klasskru [66]

Answer:

-1+3i

Step-by-step explanation:

\sqrt{25}  -  \sqrt{ - 25}  -  \sqrt{36}  -  \sqrt{ - 4}

Sqr root of 25 and 36 are 5 and 6 respectively

Sqr root of -25 and -4 are 5i and 2i respectively

Combine like with like

5-6=-1

5i-2i=3i

-1+3i

7 0
3 years ago
Sin 30Degrees = square of 3/2 and cos 30degrees =1/2 true or false
zhenek [66]

Answer:

False

Step-by-step explanation:

Trying it in a calculator says otherwise meaning it's false

4 0
3 years ago
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