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Arada [10]
3 years ago
9

2. Sue earns the same amount of

Mathematics
1 answer:
storchak [24]3 years ago
5 0

Answer:

1/hour =9$

For 12 hours she makes 108$

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(x – 2)^2 + 20 = 0
seraphim [82]

Answer:

x = 2  ± 2 sqrt(5)i

Step-by-step explanation:

(x – 2)^2 + 20 = 0

Subtract 20 from each side

(x – 2)^2 + 20 -20=0 -20

(x – 2)^2 =- 20

Take the square root of each side

sqrt((x – 2)^2) =±sqrt(- 20)

x-2  = ±sqrt(- 20)

We know sqrt(ab) = sqrt(a) sqrt(b)

x-2  = ±sqrt(- 1) sqrt(20)

We know the sqrt (-1) = i

x-2  = ±i sqrt(4*5)

x-2 = ±i sqrt(4) sqrt(5)

Add 2 to each side

x-2+2 = 2 ±i sqrt(4) sqrt(5)

x = 2 ±i 2 sqrt(5)

x = 2  ± 2 sqrt(5)i

7 0
3 years ago
PLEASE HELP!!
pogonyaev

Answer:

Work shown below!

Step-by-step explanation:

\sqrt{-18}=\sqrt{18i^{2} }  =\sqrt{2*9i^{2} }=3i\sqrt{2}

2\sqrt{-16} =2\sqrt{16i^{2} } =4i*2=8i

4 0
3 years ago
Which is a parallelogram with four congruent sides whose diagonals bisect each other and intersect at four right angles?
Charra [1.4K]

Answer:

I believe that the answer is B. Rhombus.

Step-by-step explanation:

A rhombus has the properties of a parallelogram and the diagonals intersect at right angles.

Hope this helps!

3 0
3 years ago
Read 2 more answers
PLS HELPP! ITS TIMED
Maru [420]

Answer:

Neg will be on 2nd one

Pos will be on 3rd one

Unde will be on 4th one

Zero will be one 1st one

7 0
2 years ago
What is 3 to the powers of 5
My name is Ann [436]

Answer:

3 to the power of 5 = 35 = 243

Step-by-step explanation:

4 0
3 years ago
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