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Sergio [31]
3 years ago
13

Zachary purchased a computer for $1,500 on a payment plan. Four months after he purchased the computer, his balance was $960. Si

x months after he purchased
the computer, his balance was $690. What is an equation that models the balance y after x months?
The equation hh models the balance y after x months
(Type your answer in slope-intercept form. Use integers or fractions for any numbers in the equation. Do not include the $ symbol in your answer.)
Mathematics
1 answer:
ruslelena [56]3 years ago
4 0

Answer:

y=-135x+1500

Step-by-step explanation:

first you see that the starting point of the equation in $1500( y-axis) which would be the b part of the equation

Next you would take (4,960) which is at 4 months he had $960 left and (6,690) where at 6 months he had $690 left.

You would do change of y over change of x to get -135 as your slope

then you would plug in the finial equation y= -135x(slope)+ 1500( your starting point)

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Answer:

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3 years ago
Use the distance formula to find the distance between cach pair of points. If necessary,
nata0808 [166]

Answer:

d \approx 18.4

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>Algebra II</u>

  • Distance Formula: d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Step-by-step explanation:

<u>Step 1: Define</u>

Point C (-2, 6)

Point D (10, -8)

<u>Step 2: Find distance </u><em><u>d</u></em>

  1. Substitute:                    d = \sqrt{(10+2)^2+(-8-6)^2}
  2. Add/Subtract:               d = \sqrt{(12)^2+(-14)^2}
  3. Exponents:                   d = \sqrt{144+196}
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  5. Simplify:                        d =2 \sqrt{85}
  6. Evaluate:                       d = 18.4391
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Answer:

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Step-by-step explanation:

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4 years ago
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valkas [14]
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Answer:
mCA = 78°
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4 years ago
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