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Snowcat [4.5K]
3 years ago
15

For questions 16 - 19, write each expression in the standard form for the complex number a + bi.

Mathematics
1 answer:
Nostrana [21]3 years ago
6 0

This is a tough one especially for me. I'll find out. Did you get the answer yet though?

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Can you please help with these questions? I need to finish homework by tonight.
noname [10]
Length x width is the formula.
so 18 x 18 for 7.
22 x 24 for 8.
and 8 would probably be 5 x 5 to equal 20. so the length and width would be 5 and 5 because 20 is the area
3 0
3 years ago
Fred earns dollars. Chad earns 45% more than Fred which expression represents the amount of money in dollars that chad earns
Genrish500 [490]

Answer:

$0.45x

Step-by-step explanation:

Fred earns dollars. Let Fred earns $x.

Chad earns 45% more than Fred.

We need to find the expression for Chad.

Chad amount = 45% of x

=\dfrac{45}{100}x\\\\=0.45x

So, Chad earns $0.45x.

7 0
3 years ago
Use completing the square to rewrite the given function in vertex form. Determine whether the vertex is a maximum or minimum
Natalka [10]

Answer:

Step-by-step explanation:

The equation as written doesn’t work. Are you sure it is y = x² + 4x - 10, and not

y = -x² + 4x - 10 ?

y = -(x² - 4x) - 10

y = -(x² - 4x + 2²) + 2² - 10

y = -(x-2)² - 6

the vertex is a maximum at (2,-6)

3 0
3 years ago
A school conference room can seat a maximum of 83 people. The principal and two counselors need to meet with the school’s studen
aniked [119]

Answer:

40 students

Step-by-step explanation:

We do not count the counselors or the principal because they are not students, so we do 83 - 3 = 80, now it is just simple division, for every student there is a parent, so we divide 80 in half, 80 / 2 = 40 students :D

4 0
3 years ago
You need to solve a system of equations. You decide to use the elimination
zhenek [66]

Answer:

Step-by-step explanation:

5 0
2 years ago
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