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Anna007 [38]
3 years ago
11

Someone pls explain how to do this-

Mathematics
2 answers:
andriy [413]3 years ago
7 0

Answer:

6 is wrong

Step-by-step explanation:

frosja888 [35]3 years ago
5 0

Answer:

3,6,6,9  (6 is not a function and has been repeated twice)

-1,-2,-5,-7  

sorry if their wrong id.rk

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I need help on this question
QveST [7]

Answer:

The answer is 63.5

Step-by-step explanation:

9.3(3)+8.9(4)

= 27.9 + 35.6

= 63.5

6 0
2 years ago
Evaluate the following expression using the values given:
MakcuM [25]

Answer:

18

Step-by-step explanation:

  • -3a²-b³+3c²-2b³
  • -3(2)²-(-1)³+3(3)²-2(-1)³
  • -3(4)-(-1)+3(9)-2(-1)
  • -12+1+27+2
  • -11+27+2
  • 16+2
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4 0
3 years ago
Read 2 more answers
Which statements are true of the given function? Check
julsineya [31]

Two and four will work. Just plug in the numbers to see

5 0
2 years ago
How much work is done in lifting a 1.4-kg book off the floor to put it on a desk that is 0.7 m high?
nalin [4]

Answer:

Step-by-step explanation:

Work is said to be done when a force applied to an object cause the body to move in a specified direction.

Work-done = Force * Distance

Since Force = mass * acceleration due to gravity

Work-done =  mass * acceleration due to gravity * distance

Given mass = 1.4kg, distance = 0.7m and g = 9.8m/s²

Workdone in lifting the book off the floor = 1.4*0.7*9.8

Workdone = 9.604Joules

- Similarly, work done in lifting a 21-lb weight book 6 ft off the ground is expressed using the same formula as above;

Given mass = 21-lb, g = 32ft/s² and distance = 6ft

Workdone = 21 * 32 * 6

Workdone = 4,032 lb-ft²/s²

Hence, work-done in lifting a 21-lb weight book 6 ft off the ground is  4,032 lb-ft²/s²

3 0
3 years ago
9th grade Algebra 1 help! PLEASE HELP ME! EXPLAIN YOUR ANSWERS :)
zhannawk [14.2K]
My best bet would be d
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3 years ago
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