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uranmaximum [27]
3 years ago
15

Square root of -1? PLEASE HELP

Mathematics
1 answer:
kolezko [41]3 years ago
7 0

My understanding it would be letter ( i )  because it is imaginary.  

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162.50 if this represented a 6.5% increase what is her monthly salary after the raise
Anon25 [30]

9514 1404 393

Answer:

  2662.50

Step-by-step explanation:

Let s represent her old salary. Then we have ...

  0.065s = 162.50

  s = 162.50/0.065 = 2500

Then her new monthly salary is ...

  new salary = old salary + raise

  new salary = 2500 +162.50

  new salary = 2662.50

6 0
3 years ago
Explain the differences between properties of equality and properties of inequality when solving equations and inequalities.
matrenka [14]
Equalities will have the words "is" or "equals" or "the same as" in the wording. These produce a unique solution.

Inequalities have phrases like "at most" or "at least" or "no more than" in them. Solutions are a range of values, ranging between 2 values, or from a particular value to positive or negative infinity.
5 0
3 years ago
Read 2 more answers
Find the sum of interior angles a polygon has with the given number of sides a.9 b.19
Gnom [1K]

The equation for this is (n-2) x 180

Replace n with the number of sides:

a. 9:  (9-2) x 180 = 7 x 180 = 1,260

b. 19: (19-2) x 180 = 17 x 180 = 3,060

4 0
3 years ago
Sally is a sales manager.She makes $73,000 a year.Sally has worked hard all year and receives a 6% raise.How much will sally mak
dolphi86 [110]

Answer:

$77,380

Step-by-step explanation:

If she gets a 6% raise next year she will make 106% of what she makes this year.  

106% is 1.06 as a decimal.  Multiply her salary by 1.06 to find out how much she will make next year...

$73,000(1.06) = $77,380

4 0
3 years ago
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A banana bread recipe calls for 3/4 cup butter. One tablespoon equals 1/16 cup. How many tablespoons of butter are needed to mak
Korolek [52]
We're finding the equivalent value to 3/4. So 3/4 would be equal to or equivalent to 12/16. We know this because 12/16 simplified = 3/4. So since 3/4 is equal to 12/16, that means it would take us 12 tablespoons of butter to make the banana bread.  

I hope this helps! ^_^
5 0
3 years ago
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