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RoseWind [281]
3 years ago
8

Ricardo just received a shipment of 50 tool sheds for his garden supply store. Each shed costs him $40. Which of the following c

ould Ricardo use to find the total amount he will pay for the tool sheds?
Mathematics
1 answer:
Alex3 years ago
3 0



50• 40= $2000
The answer is multiply 50 and 40
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Yes, 1/2 is 0.50. So it is greater than 0.25.
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The sum of the squares of two consecutive odd positive integers is 130. find the integers
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2 consecutive odd positive integers....x and x + 2

x^2 + (x + 2)^2 = 130
x^2 + (x + 2)(x + 2) = 130
x^2 + x^2 + 4x + 4 = 130
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2x^2 + 4x + 4 - 130 = 0
2x^2 + 4x - 126 = 0
2(x^2 + 2x - 63) = 0
2(x - 7)(x + 9) = 0

x - 7 = 0
x = 7

x + 9 = 0
x = -9 (cant be this one because it is negative

so x = 7...and x + 2 = 7 + 2 = 9......ur 2 numbers are 7 and 9

8 0
3 years ago
Tina and Joey share a 18-ounce box of cereal. By the end of the week, Tina has eaten 1 6 of the box, and Joey has eaten 2 3 of t
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Step-by-step explanation

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Which transformation from the graph of a function f(x) describes the graph of 10f(x)
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3 years ago
Use a graphing calculator and a system of equations to find the roots of the equation. x4 − 4x3 = 6x2 − 12x From least to greate
iren [92.7K]

Answer:

The roots are -2 , 0 , (3 - √3) , (3 + √3)

The integral roots are -2 , 0

Step-by-step explanation:

∵ x^4 - 4x³ = 6x² - 12x

∴ x^4 - 4x³ - 6x² + 12x = 0

∴ x(x³ - 4x² - 6x + 12) = 0

∴ x = 0

∴ x³ - 4x² - 6x + 12 = 0

∵ f(-2) = (-2)³ - 4(-2)² - 6(-2) + 12 = -8 - 16 + 12 + 12 = 0

∴ (x + 2) is a factor of the equation x³ - 4x² - 6x + 12 = 0

∴ (x³ - 4x² - 6x + 12) ÷ (x + 2) = (x² - 6x + 6)(x + 2)

∴ (x² - 6x + 6)(x + 2) = 0

∴ x + 2 = 0 ⇒ ∴ x = -2

∴ x² - 6x + 6 = 0 ⇒ quadratic equation (ax² + bx + c = 0)

∵ a = 1 , b = -6 , c = 6

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∴ x = 3 + √3 and x = 3 - √3

∴ The roots are -2 , 0 , (3 - √3) , (3 + √3)

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3 years ago
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