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salantis [7]
3 years ago
10

Which expression is equivalent to StartRoot negative 80 EndRoot?

Mathematics
2 answers:
Amanda [17]3 years ago
8 0

Answer:

the answer is C on edge  ///  4 \sqrt{5 i

Step-by-step explanation:

Just took the quiz

mestny [16]3 years ago
3 0

Answer:

4i\sqrt{5}

Step-by-step explanation:

\sqrt{-80}

\sqrt{80*i^2}

i^2 is -1

i\sqrt{80}

i\sqrt{4^2 * 5}

4i\sqrt{5}

Answer:  4i\sqrt{5}

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Find the ninth partial sum of infinite sumnation 3i-4
snow_tiger [21]
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3\cdot  \cfrac{9(9+1)}{2}-(9\cdot 4)

and surely you know how much that is.
3 0
4 years ago
If 124 is subtracted from the square of a number the result is 200 what is the number​
omeli [17]

Answer:

Step-by-step explanation:

let the number =x

then

x²-124=200

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4 0
3 years ago
What is 7% of $35 doollars?
nikitadnepr [17]
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7 0
3 years ago
What is the amplitude, period, and phase shift of f(x)=-4 sin (2x+3.14)-5
finlep [7]
Remember this: for a trig function of <span>y = A sin(Bx + C) + D

</span><span><span>amplitude is A
</span><span>period is <span>2π/B
</span></span><span>phase shift is −C/B
</span><span>vertical shift is <span>D

So the amplitude is -4, the period is </span></span></span>π and the phase shift is -3.14/2 = 1.57.
8 0
3 years ago
If Tina traveled 2,000 miles in 5 hours on her plane flight to her vacation destination, how fast was the plane traveling?
IRINA_888 [86]

Answer:

400 miles per hour

Step-by-step explanation:

2.000 miles : 5 hours =400 miles per hour

have a nice day :)

6 0
3 years ago
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