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Setler79 [48]
2 years ago
12

You have $50 in your savings account and plan to deposit $10 each week. Your friend has $25 in her savings account and plans to

also deposit $10 each week.
A. Write a system of linear equations that represents this situation.

B. Will your friend's account ever have the same amount of money as your account? Explain.
Mathematics
2 answers:
Mariulka [41]2 years ago
7 0

Answer: 50+10x

Answer: 25+10x

Answer: No. 50+10x=25+10x. In simplified form, it is 0 =25 which is undefined (no solution).

Alisiya [41]2 years ago
6 0

For part B it's no because if you already have 50 dollars and she has 25, then you already have more money than your friend. Hope this helps

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Charmaine runs 4 miles in 30 minutes. At the same rate how many minutes would she take to run 10 minutes
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I believe to run 10 miles (not minutes)

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3 0
3 years ago
What is the slope of the line that passes through the points (9, 5) and (21, 1)?
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Answer:

\displaystyle m = \frac{-1}{3}

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>

  • Coordinates (x, y)
  • Slope Formula: \displaystyle m = \frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (9, 5)

Point (21, 1)

<u>Step 2: Solve for slope </u><em><u>m</u></em>

  1. Substitute in points [Slope Formula]:                                                              \displaystyle m = \frac{1-5}{21-9}
  2. [Fraction] Subtract:                                                                                           \displaystyle m = \frac{-4}{12}
  3. [Fraction] Simplify:                                                                                            \displaystyle m = \frac{-1}{3}
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