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deff fn [24]
2 years ago
11

3x ×?=90 somebody help me please​

Mathematics
2 answers:
Galina-37 [17]2 years ago
5 0

Answer:

30

Step-by-step explanation:

Anna007 [38]2 years ago
5 0

Answer:

Step-by-step explanation:

3x*(?)=90

?=90/3x

?=30/x

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borishaifa [10]
9 times 1725 is 15525.
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3 years ago
What is the surface area of the cylinder in terms of ? The diagram is not drawn to scale.
Delicious77 [7]

Answer:

SA = 748π in²

General Formulas and Concepts:

<u>Symbols</u>

  • π (pi) ≈ 3.14

<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>Geometry</u>

Surface Area of a Cylinder Formula: SA = 2πrh + 2πr²

  • <em>r</em> is radius
  • <em>h</em> is height

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify variables</em>

<em>r</em> = 11 in

<em>h</em> = 23 in

<u>Step 2: Find Surface Area</u>

  1. Substitute in variables [Surface Area of a Cylinder Formula]:                       SA = 2π(11 in)(23 in) + 2π(11 in)²
  2. Evaluate exponents:                                                                                         SA = 2π(11 in)(23 in) + 2π(121 in²)
  3. Multiply:                                                                                                             SA = 506π in² + 242π in²
  4. Add:                                                                                                                   SA = 748π in²
7 0
2 years ago
PLEASE HELP ASAP!!!!!!!!!!
mariarad [96]
The answer is “the cost for every 1 lawn mowed”. This is because the graph is showing an increase in price every time another lawn is mowed.
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Which of the following statements is true?
Alborosie

b.an object at rest has an instantaneous acceleration of zero

8 0
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Please help! I must match the numbers on the left with all appropriate number sets on the right . A number on the left may match
Flura [38]

Answer:

\sqrt{5} = Irrational

6 = Natural, Whole, Integer, Rational

\frac{1}{2} = Rational

-2 = Integers, Rational

Explanation:

See attached photo! (it is hard to explain in words haha)

      Side note: All natural numbers are rational numbers, but not all rational numbers are natural numbers (this applies differently to all sections, like all integers are whole, but not all whole are integers, etc)

      Side note #2: Whole numbers are just natural numbers AND zero

Hope this is correct (or at least helps), have a nice day! :D

3 0
2 years ago
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