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tamaranim1 [39]
2 years ago
8

I just don’t understand this please help its for accuracy and it’ll be 50 points pleaseee

Mathematics
2 answers:
alisha [4.7K]2 years ago
7 0

Answer:

Hey can anyone help me with my question?

Step-by-step explanation:

PLeAsE its really easy, im in grade 7. I need help with this math question and my teacher didn't tell me the formula.

Yuki888 [10]2 years ago
5 0
I’ll do the first one for you to give you an example. It is super simple so I think you’ll catch on quickly.

So as it’s written, y=2x-1

For a line to be parallel, it has to have the same slope.

You would change the variables to the coordinates which is -2=2*-2+b

Your y-intercept (the b) is what changes

-2=2*-2+b
-2=-4+b
2=b

The answer is y=2x+2
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Total rental cost = $390 = 2($30/day) + ($0.25/mile)x     (x=number of miles)
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3 years ago
Mazzeo's Appliance Store requires a down payment of on all install-
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Whereas Norton's depot required 30% down payment on installment purchases.

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4 0
3 years ago
Please help what’s 6,7,8.
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Step-by-step explanation:

7 0
2 years ago
A rectangular swimming pool measures 50 meters in length and 25 meters in width. A scale drawing of the swimming pool will be ma
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3 years ago
Read 2 more answers
B.<br> f(x) = -1x - 4; Find f(-3)
Margaret [11]

Answer:

f(-3) = -1

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>

  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = -1x - 4

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                          f(-3) = -1(-3) - 4
  2. Multiply:                                                                                                             f(-3) = 3 - 4
  3. Subtract:                                                                                                            f(-3) = -1
4 0
2 years ago
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