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Sauron [17]
4 years ago
11

What is 2e-12=7e+8 solved ?

Mathematics
2 answers:
Elden [556K]4 years ago
6 0
E= -4 when the problem is simplified
galina1969 [7]4 years ago
6 0
9e + (-4) I think because you can’t add unlike terms together
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Leah loves chicken wings and is comparing the deals at three different restaurants. Buffalo Bills has 888 wings for \$7$7dollar
ella [17]

Cost of chicken wings at Buffalo Bills = 8 wings for $7

Cost of 1 wing at Buffalo Bills = \frac{7}{8} =0.875

Cost of chicken wings at Buffalo Mild Wings = 12 wings for $10

Cost of 1 wing at Buffalo Mild Wings = \frac{10}{12}= 0.833

Cost of chicken wings at Wingers = 20 wings at $17

Cost of 1 wing at Wingers = \frac{17}{20}= 0.850

Hence, comparing all the three costs per wing, we can see that Buffalo Mild Wings is serving chicken wings at lowest price of $0.833 per wing.

8 0
3 years ago
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The pitchers that Isaac bought for the party each hold 2 quarts of liquid. If he makes 15 pints of smoothie and has three pitche
saveliy_v [14]
1 pint = 0.5 quart
15 pints = 15 x 0.5 = 7.5 quarts

3 pitchers can hold 2 x 3 = 6 quarts.

Amount remaining = 7.5 - 6 = 1.5 quarts = 1.5/0.5 = 3 pints of smoothie
7 0
3 years ago
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Whats the solution for the sum of a number and 19 is at least 8.2?
Alina [70]
The number would be -10.8 19 + (-10.8) = 8.2 I hope that helps!
8 0
3 years ago
Use the quadratic formula to solve for x. 4x2 +9x-1=0​
insens350 [35]

Answer:

x=\frac{-9\pm\sqrt{65} }{8}

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>Algebra I</u>

  • Standard Form: ax² + bx + c = 0
  • Quadratic Formula: x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

Step-by-step explanation:

<u>Step 1: Define</u>

4x² + 9x - 1 = 0

<u>Step 2: Define variables</u>

a = 4

b = 9

c = -1

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

  1. Substitute:                    x=\frac{-9\pm\sqrt{9^2-4(4)(-1)} }{2(4)}
  2. Exponents:                   x=\frac{-9\pm\sqrt{81-4(4)(-1)} }{2(4)}
  3. Multiply:                        x=\frac{-9\pm\sqrt{81-16} }{8}
  4. Subtract:                       x=\frac{-9\pm\sqrt{65} }{8}
5 0
3 years ago
Please answer this question Step by Step method.
Kryger [21]

Answer:

see explanation

Step-by-step explanation:

The perimeter P is the sum of the 4 sides of the rectangle.

The opposite sides of the rectangle are congruent , then

P = 2x + 1 + 2x + 1 + x + x ← collect like terms

P = 6x + 2

6 0
2 years ago
Read 2 more answers
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