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solong [7]
2 years ago
13

Simplify the expression: 4s+10–2+4s

Mathematics
2 answers:
lions [1.4K]2 years ago
8 0

Answer:

8s+8

Step-by-step explanation:

Put it into groups: (4s+4s)+(10-2)=8s+8

Brainliest is appreciated

bezimeni [28]2 years ago
3 0

Answer:

(4s+4s)+(10-2)= 8s/8 =1   so s=1

Step-by-step explanation:

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If r(x)=4x^2-3x+7, Find r(2a^2)
Nata [24]

Answer:

r(2a²) = 16a⁴ - 6a² + 7

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
  • Exponential Rule [Powering]: \displaystyle (b^m)^n = b^{m \cdot n}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

r(x) = 4x² - 3x + 7

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function r(x)]:                                                                            r(2a²) = 4(2a²)² - 3(2a²) + 7
  2. Exponential Rule [Powering]:                                                                           r(2a²) = 4(2²a²⁽²⁾) - 3(2a²) + 7
  3. [Exponents] Multiply:                                                                                        r(2a²) = 4(2²a⁴) - 3(2a²) + 7
  4. Exponents:                                                                                                        r(2a²) = 4(4a⁴) - 3(2a²) + 7
  5. Multiply:                                                                                                             r(2a²) = 16a⁴ - 6a² + 7
7 0
3 years ago
Tyler has 3 times as many books as Mai. How many books does Mai have if Tyler has 15 books?
solniwko [45]
So at this point it says “times” so your multiplying and it’s 3 times so you would
do 3x15 and there you have your answer
5 0
3 years ago
Help! I am crying Im so confused How can I solve this math question
riadik2000 [5.3K]

Answer:

( -1, 4 )

Step-by-step explanation:

I'm not sure if I'm right, but a positive function is above the x-axis. Out of all the answer choices, I would have to go with (-1, 4)

I hoped this helped in any way!

3 0
2 years ago
Need answer to this problem
Mademuasel [1]
The answer is 26 :) because that way 26 and 26+4=30
8 0
3 years ago
Describe the number 78 in 2 different ways
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Its a even number, and also its a whole number.
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