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ira [324]
3 years ago
6

(4plus2) - 7 times 2

Mathematics
1 answer:
mote1985 [20]3 years ago
7 0

Answer:

-8

Step-by-step explanation:

Brackets go first, (4+2)=6

Then multiplication, 7x2=14

Lastly, combine them: 6-14 = -8

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valkas [14]
Your answer should be 3

Use this formula to solve slopes:

m = (y2<span> – y</span>1) / (x2<span> – x</span>1<span>) </span>
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What 18% more than 200
djyliett [7]
Answer: 236

Explanation:

100% = 200
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3 0
3 years ago
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Find the value of the trigonometric ratio. Express your answer as a fraction in lowest terms.
Blizzard [7]

Answer:

12/13

Step-by-step explanation:

We know that cosine is the adjacent side divided by the hypotenuse in a right triangle.

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The hypotenuse is AC because it is opposite to the right angle

So...

cosine is (BC)/(AC)

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4 0
2 years ago
What's the area of a circle with diameter 18 units? Question 8 options: A) 9π units2 B) 81π units2 C) π units2 D) 18π units2
Anna [14]

Answer:

B) 81π units²

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>Geometry</u>

Radius of a Circle Formula: r = d/2

  • r is radius
  • d is diameter

Area of a Circle Formula: A = πr²

Step-by-step explanation:

<u>Step 1: Define</u>

Diameter <em>d</em> = 18 units

<u>Step 2: Manipulate Variables</u>

Radius <em>r</em> = 18 units/2 = 9 units

<u>Step 3: Find Area</u>

  1. Substitute in <em>r</em> [Area of a Circle Formula]:                                                       A = π(9 units)²
  2. [Area] Evaluate exponents:                                                                              A = π(81 units²)
  3. [Area] Multiply:                                                                                                  A = 81π units²
6 0
2 years ago
Shelly is a baker she is using batter to make pancakes. Which is the dependent variable the batter or the pancakes. Which is the
Nesterboy [21]

Answer:

The Pancakes are actually dependent while the Batter is Independent because your are changing the batter. Think of I change in an Independent variable. You cant really change the outcome which is the dependent.

Step-by-step explanation:

4 0
3 years ago
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