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frosja888 [35]
3 years ago
12

Multiply (2x+5)(4x^2-2x+3)

Mathematics
1 answer:
shtirl [24]3 years ago
3 0

Answer:

8x^3+16x^2-4x+15

Step-by-step explanation:

Distribute and combine like terms.

Hope this helped :)

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Which number has the greatest value
aleksklad [387]

Answer:

See the explanation below

Step-by-step explanation:

Which number has the greatest value

From the given list of numbers

Option A has the greatest value

A 8.07 x 10^5

This is because it is raised to a positive number 5, and also the integer is the largest that is raised to a non-negative number/power

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3 years ago
Tapiwa swept 5%, percent more leaves than Adam. Tapiwa swept 357 liters of leaves.
dusya [7]

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1)<br> What number is 4 times as many as 25?
ASHA 777 [7]

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Step-by-step explanation:

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Which of the following statements best defines a sample space?
Maksim231197 [3]

Answer:

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4 0
3 years ago
A jewelry box with a square base is to be built with silver plated sides, nickel plated bottom and top, and a volume of 44 cm3.
Maurinko [17]

Answer:

Base= 5.09 cm x 5.09 cm; height = 1.69 cm

Step-by-step explanation:

-> materials has a square base of side length, dimension will be: x . x = x²

'y' represents height

->For dimensions of 4 silver plated sides= xy each

->dimensions of the nickel plated top= x²

Volume = yx²

44=yx² => y= 44/x²

Cost of the sides will be( 4 * xy * $3 )

Cost of the top and the bottom will be  (2 * x² * $1)

For the Total cost: 12xy + 2x²

substituting value of 'y' in above equation,

=> Total cost = 12x (44/x²) + 2x² = 528 / x + 2x²

To Minimum critical point => d [cost] / dx = 0

=> - 528/x² + 4x =0

132/x² - x =0

132 - x³ = 0

x³ = 132

Taking cube root on both sides

∛x³ = ∛(132)

x= 5.09

=> y = 44/5.09² =>1.69

Dimensions of the box :

Base= 5.09 cm x 5.09 cm; height = 1.69 cm

4 0
3 years ago
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