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dangina [55]
3 years ago
14

Solve 2m^2+9m+7=3 using the quadratic formula

Mathematics
1 answer:
12345 [234]3 years ago
7 0

Answer:

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Solve for m y-y=m(x-x)
spin [16.1K]

Answer:

m = y/x

Step-by-step explanation:

y-y = m(x-x)

simplify:

-2y = m(-2x)

simplify again

-2y = -2mx

divide to get rid of -2 and x

-2y = -2mx

----------------

-2x

y

-  = m

x

8 0
3 years ago
Identify the slope: y = -3x – 4.<br> A. -4<br> B. -3<br> C. 3<br> D. 4
tiny-mole [99]
Y - [-3(x) - 4] = ?
x-intercept: -4 ÷ 3 = 1.3
y-intercept: -4 ÷ 1 = 4
Your Slope:-3

So, your slope is: B. -3

☺
5 0
4 years ago
Simplify the expression.
gogolik [260]

Answer:

7y² - y + 21

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>

Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

4y - y(3 - 7y) + 5 + 2(8 - y)

<u>Step 2: Simplify</u>

  1. [Distributive Property] Distribute parenthesis:                                               4y - 3y + 7y² + 5 + 16 - 2y
  2. Combine like terms (y):                                                                                    7y² - y + 5 + 16
  3. Combine like terms:                                                                                         7y² - y + 21
5 0
3 years ago
There are 24 counters. How many counters could you add without having to regroup? Explain.
PIT_PIT [208]
The answer to this question would have to be 5. In the statement given we can add 5 more that is 24 _ 5 equal to 29. Once the counter reaches 30, one must have to regroup by exchanging 10 ones for a 10 bar.Hence the answer to this problem would have to be 5 counters
3 0
3 years ago
When multiplying a two digit number times a two digit number, why do you add a 0 to the second addend?
Dmitry_Shevchenko [17]
The answer you get will pretty much already have a zero in it ...so thats why
6 0
3 years ago
Read 2 more answers
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