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Sphinxa [80]
4 years ago
7

Which steps are needed to solve this equation? b-21= 177

Mathematics
2 answers:
Kisachek [45]4 years ago
8 0
<h2>D or:</h2><h2> Add 21 to both sides of the equation.</h2><h2>The answer is b = 198.</h2><h2>Check the solution by substituting 198 for b.</h2>
Pepsi [2]4 years ago
5 0

Answer: add 21 to both sides

Step-by-step explanation:

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Small cubes with edge lenghts of 1/4 will be packed into the rectangular prism how many small cubes will be needed to completley
Olegator [25]

Answer:

9216

Step-by-step explanation:

number of small cubes that would fill the prism = volume of prism / volume of small cubes

volume of a prism = length x width x height

3 x 6 x 8 = 144

volume of cube = length³

(1/4)³ = 1/64

144 ÷ 1/64

144 x 64 = 9216

6 0
3 years ago
Use logarithm table to evaluate (3.68)2 x 6.705​
SVEN [57.7K]

Answer:

Step-by-step explanation:

49.3488

7 0
2 years ago
Enter an expression equivalent to (3x^2+2y^2-3x) + (2x^2+y^2-2x) - (x^2 + 3y^2 +x)
11111nata11111 [884]

Answer:

4x² - 6x

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>

(3x² + 2y² - 3x) + (2x² + y² - 2x) - (x² + 3y² + x)

<u>Step 2: Simplify</u>

  1. [Distributive Property] Distribute negative:                                                    3x² + 2y² - 3x + 2x² + y² - 2x - x² - 3y² - x
  2. Combine like terms (x²):                                                                                   4x² + 2y² - 3x + y² - 2x - 3y² - x
  3. Combine like terms (y²):                                                                                   4x² - 3x - 2x - x
  4. Combine like terms (x):                                                                                    4x² - 6x
4 0
3 years ago
Solve 2x2 + 3x = 20.
Alenkasestr [34]

Answer:

x=5/2 or x=-4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the area of the circumference of a circle wit radius 9 cm
ValentinkaMS [17]

Answer:

area = πr^2

= 81 π

circumference = 2πr

= 18 π

hope it helps

5 0
3 years ago
Read 2 more answers
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