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Mumz [18]
3 years ago
14

Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.

Mathematics
2 answers:
disa [49]3 years ago
4 0

Answer:

d. that the answer of my module

Katena32 [7]3 years ago
3 0

Answer:

-b +/- √b^2-4ac

____________

2a

7 +/- √49-4(10)(3)

______________

2(10)

x= 7 +/- i√71

________

20

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Multiply: (-1-3i)(-5 - 4i)
Fantom [35]
The answer is -7+19i because of the procedure used in math
6 0
3 years ago
PLEASE HELP SOMEONE!!!
evablogger [386]

Answer:

y = -2x

Step-by-step explanation:

For direct variation:  y = kx, where k is the constant of proportionality.

Given that Y equals -12 when x equals 6, we have -12 = k(6).  Solve this for k by dividing both sides by 6:

k = -12/6 => k = -2

Then the "direct variation equation" here is y = -2x.

3 0
3 years ago
Simplify the product 4x(2x^3-7x^2+x)
Andreyy89
8x^4-28x^3+4x^2
That’s the answer
3 0
3 years ago
Sanjay borrowed 7,000 at a simple interest rate of 3% per year. After a certain number of years he had paid $840 in interest alt
alexgriva [62]

Answer:

It was 4 years.

Step-by-step explanation:

To solve this problem we need to use the appropriate formula for simple interest, which is shown below:

M = C*r*t

Where M is the amount of interest, C is the initial amount of money, r is the rate of interest and t is the time elapsed in years. Applying the data from the problem we have:

840 =7000*0.03*t

840 = 210*t

210*t = 840

t = 840/210

t = 4

It was 4 years.

7 0
3 years ago
A realtor sold 3 homes during her first month at an average house price of $120,000. During her second month, she sold 2 homes a
SCORPION-xisa [38]

Answer:

The overall average is $148,000

Step-by-step explanation:

 120,000           740,00 divided by 5 is 148,000

 120,000

 120,000

 190,000

+ 190,000

 -------------

  740,000

4 0
3 years ago
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