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natita [175]
3 years ago
6

Evaluate the expression (ab)^2for a = 4 and b = 3.

Mathematics
2 answers:
sertanlavr [38]3 years ago
6 0

Answer:

144

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>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

(ab)²

<em>a </em>= 4

<em>b</em> = 3

<u>Step 2: Evaluate</u>

  1. Substitute in variables:                                                                                     [4(3)]²
  2. [Brackets] Multiply:                                                                                           12²
  3. Exponents:                                                                                                        144
nasty-shy [4]3 years ago
3 0

Answer:

144

Step-by-step explanation:

Plug in a and b

In this case a=4, b=3

(ab)^2

( (4)(3) )^2

(12)^2

12x12

144

If this helps please mark as brainliest

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Anettt [7]

Answer:

-9

Step-by-step explanation:

Substitute 3 for <em>z</em><em> </em>and 9 for <em>w</em> in the equation.

- 2z - 3w + 7 + 8

- 2(3) - 3(9) + 15

- 6 - 18 + 15

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7 0
3 years ago
Lexi has already jarred 19 liters of jam and will jar an additional 9 liters of jam every day. How many days does lexi need to s
Marysya12 [62]

Answer:

Lexi need to spend <u>6 days</u> to fill the jar with 73 liters of jam.

Step-by-step explanation:

Given:

amount of jam already had in jar =19 liters

amount of jam added each day in jar = 9 liters.

Total number of jam to be needed in jar = 73 liters.

We need to find the number of days required to jar 73 liters.

Solution:

To find the number of days required to jar 73 liters will be equal to amount of jam already had in jar plus amount of jam added each day in jar multiplied by number of days.

framing in equation form we get;

19+9x= 73

Subtracting both side by 19 we get;

19+9x-19=73-19\\\\9x = 54

Dividing both side by 9 we get;

\frac{9x}{9}=\frac{54}{9}\\\\x=6\ days

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5 0
3 years ago
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8 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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