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Arturiano [62]
2 years ago
5

78 x 42 in area model and standard algorithm

Mathematics
2 answers:
Sever21 [200]2 years ago
8 0
3276.................
DanielleElmas [232]2 years ago
3 0
I got 3276. . . . . . . . .
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7 (x + 3) - 3(4x + 9) = 14
Paul [167]

Answer:

-4

Step-by-step explanation:

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3 years ago
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What is the vertex and the equation of the axis of symmetry of the graph of y=x2-6x-7?
Ray Of Light [21]
X= -b over 2a = --6 over 2×1=3
y=3²-6(3)-7=-16
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3 years ago
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What is the exact volume of a cylinder that has a height of 1.8 ft and a radius of 6.1 ft?
lozanna [386]
Cylinder area=height times area of base (area of base=area of circle)

height =1.8
radius=6.1
area of circle=pi times r^2


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3 0
3 years ago
Evaluate y = 2x + 1 when x = 1
Solnce55 [7]

Answer:

y = 3

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

Step-by-step explanation:

<u>Step 1: Define</u>

y = 2x + 1

x = 1

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    y = 2(1) + 1
  2. Multiply:                               y = 2 + 1
  3. Add:                                     y = 3
5 0
2 years ago
PLEASE HELPPP PLS
Morgarella [4.7K]

Answer:

y + n³ = 6 - v²

hope this is the answer.

8 0
3 years ago
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