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Inga [223]
3 years ago
9

Which numbers are real numbers?

Mathematics
2 answers:
kifflom [539]3 years ago
8 0

Answer:

Step-by-step explanation:

1. -0.866= decimal

2. -2

3. -1.732 = decimal

4. not a number my calculator says math error

5. Math error

6. MATH ERROR

Elis [28]3 years ago
7 0

Answer:

The first 3 numbers are real numbers.  The last 3 are imaginary numbers.

Step-by-step explanation:

An imaginary number has a real part and an imaginary part i which is the square root of -1

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Gloria earns 1.5 times her normal hourly pay for each hour that she works over 40 hours in a week. Here normal pay is $9.70 per
svetoff [14.1K]
She earns ($9.70x40) for a 40 hour week=$388
She earned $489.85-$388 extra= $101.85
She gets paid $9.7x1.5 for every extra hour=$14.55
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She worked 7+40 hours that week=47 hours
5 0
3 years ago
Multiply: (5x2y – 3xy2)(3xy2 + 5x2y)<br> Please help I need to get this one right!
Aliun [14]

Answer:

(1): "*-5x2y" was replaced by "*(-5x2y)".

(2): "x2"   was replaced by   "x^2".  1 more similar replacement(s).

STEP

1

:

Equation at the end of step 1

 (3x • (y2)) • (0 -  (5x2 • y))

STEP

2

:

Equation at the end of step

2

:

 3xy2 •  -5x2y

STEP

3

:

Multiplying exponential expressions :

3.1    x1 multiplied by x2 = x(1 + 2) = x3

Multiplying exponential expressions :

3.2    y2 multiplied by y1 = y(2 + 1) = y3

I believe the answer is   ( -3•5x3y3)

6 0
3 years ago
Is (ab^2) equivalent to ab^2? Explain.
Zarrin [17]

Answer: yes it is equivalent!

Step-by-step explanation:

all you do is take away the parentheses and then it is the same exact thing!

6 0
2 years ago
Read 2 more answers
Need help with 7 and 9 pls help
Genrish500 [490]

Answer:

<em>The remaining amount on the lunch card is $96 dollars.</em>

Hope this helps!

4 0
2 years ago
Can you help me with the last four? Thanks!!!
Lina20 [59]
When you have -(-2) it equals +2 and the same goes for any other number. When you have +(-2) it equals -2 and the same goes for any other number. Hope this helps!
4 0
3 years ago
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