1. Divide $10.43 by 7 to find out how much each pound of grapes costs.
$10.43/7=$1.49
2. Multiply $1.49 by 3 to find out how much 3 pounds of grapes would cost.
$1.49•3=$4.47
3. So, 3 pounds of grapes would cost $4.47
Hope this helps!
Decimal is 295000
and E notation its 29.5E+4
Answer:
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Step-by-step explanation:
The solution of the quadratic equation x² - 2 · x = - 26 is x = 2 ± i √ 22.
<h3>How to solve a quadratic equation by completing the square</h3>
Completing the square is an algebra-based method used both to simplify and to solve analytically quadratic equations. In this problem we proceed to complete the square to solve the equation, whose procedure is shown in detail:
x² - 2 · x = - 26 Given
x² - 2 · x + 4 = - 22 Compatibility with addition / Definition of subtraction
(x - 2)² = - 22 a² + 2 · a · b + b² = (a + b)²
x - 2 = ± √(- 22) Definition of square root
x - 2 = ± i √ 22 Definition of complex number
x = 2 ± i √ 22 Compatibility with addition / Existence of the additive inverse / Modulative property / Result
The solution of the quadratic equation x² - 2 · x = - 26 is x = 2 ± i √ 22.
To learn more on quadratic equations: brainly.com/question/17177510
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