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astraxan [27]
3 years ago
8

Which expression is equivalent to 5(w+4) when w=9

Mathematics
2 answers:
erica [24]3 years ago
8 0

Answer: Should be 5(9)+4

Step-by-step explanation:

Reika [66]3 years ago
3 0

Answer:i took test and it was 5(9)+20

Step-by-step explanation:

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What is f(-2) of the function given below? *<br> f(x) = 3x2 - 4x + 1
slava [35]

Answer:

f(-2) = 21

Step-by-step explanation:

Step 1: Define

f(x) = 3x² - 4x + 1

f(-2) is x = -2

Step 2: Substitute and Evaluate

f(-2) = 3(-2)² - 4(-2) + 1

f(-2) = 3(4) + 8 + 1

f(-2) = 12 + 9

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5 0
2 years ago
Please help me ASAP with this math problem
ser-zykov [4K]

Answer:

Root( c square -9)

Step-by-step explanation:

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8 0
2 years ago
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Takes a word processor 20 minutes to spell check 6 pages, how long to check 27 pages
ivann1987 [24]

9514 1404 393

Answer:

  90 minutes

Step-by-step explanation:

Assuming the time is proportional to the number of pages, you have ...

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Multiplying by 27 gives ...

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6 0
3 years ago
Jeremy bought 3.2 pounds of potatoes, 2.3 pounds
Zarrin [17]

Answer:

8.2

Step-by-step explanation:

3.2+2.3+2.7=8.2

8 0
3 years ago
(6.7x10 with an exponent of 8)(1.2x10 with an exponent of 2) please help!
finlep [7]

Answer:

Step-by-step explanation:

Since the bases are different, each expression must be done independently.

6.7*10^8

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1.2*10^2

1.2*1.2=  1.44

multiply the two= 5847374.56

4 0
2 years ago
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