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Naya [18.7K]
3 years ago
15

The bells obtain a 20-year, $90,000 conventional mortgage at a 8.5% rate on a house selling for $130,000. their monthly mortgage

payment, including principal and interest, is $781.20. They also pay 3 points at closing.
a) determine the total amount the bells will pay for their house.
b) how much of the cost will be interest (including the 3 points)?
c) how much of the first payment on the mortgage is applied to the principal?
Mathematics
1 answer:
shtirl [24]3 years ago
3 0
I think the answer is B
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When you have large numbers to divide,

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Step-by-step explanation:


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Pls help me I will mark brainlist if correct !!
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Step-by-step explanation:

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Find the discriminant of x2-6x -10 = 0, and determine the number of real solutions of the equation.​
sergiy2304 [10]

Answer:

76

2 real solutions

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

Standard Form: ax² + bx + c = 0

Discriminant: b² - 4ac

  • Positive - 2 solutions
  • Equal to 0 - 1 solution
  • Negative - No solutions/Imaginary

Step-by-step explanation:

<u>Step 1: Define</u>

x² - 6x - 10 = 0

<u>Step 2: Identify Variables</u>

<em>Compare quadratic.</em>

x² - 6x - 10 = 0 ↔ ax² + bx + c = 0

a = 1, b = -6, c = -10

<u>Step 3: Find Discriminant</u>

  1. Substitute in variables [Discriminant]:                                                            (-6)² - 4(1)(-10)
  2. [Discriminant] Evaluate exponents:                                                                36 - 4(1)(-10)
  3. [Discriminant] Multiply:                                                                                    36 + 40
  4. [Discriminant] Add:                                                                                          76

This tells us that our quadratic has 2 real solutions.

8 0
3 years ago
Simplify <img src="https://tex.z-dn.net/?f=%5Csqrt%7B-72%7D" id="TexFormula1" title="\sqrt{-72}" alt="\sqrt{-72}" align="absmidd
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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