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KIM [24]
3 years ago
7

Does anyone know this?

Mathematics
1 answer:
Strike441 [17]3 years ago
5 0
Yes me the answer is b
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What is the value of begin expression . . . 81 times x raised to the second power, times y raised to the third power, plus z . .
rodikova [14]
The given expression is
81x²y³ + z

When x=3, y=4, z=19, then
81x²y³ + z
= 81*(3²)*(4³) + 19
= 81*9*64 + 19
= 46,675

Answer:  D  46,675
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2 years ago
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47. You and a friend are picking up trash on a beach.
Alenkasestr [34]

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You would do it faster

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28/2 is 14 minutes per bag

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-Question Worth 50Points!!-
iogann1982 [59]

Answer:

104.8 square feet

Step-by-step explanation:

To find the area of the figure, split it into two regular shapes: a rectangle and a semi-circle. Find the area of each and add it together.

Area of the rectangle is A = 8*10 = 80 square feet.

Are of semicircle is A = 1/2 πr² = 1/2 (3.1)(4²) = 1/2(3.1)(16) = 24.8 square feet.

Together the area is 80 + 24.8 = 104.8 square feet

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Help me please with these questions
Setler79 [48]
17. B $3.00
18.D 35/36
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