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KATRIN_1 [288]
3 years ago
6

-3(6-4x)-5(-x+8)= 4(2-5x )

Mathematics
1 answer:
loris [4]3 years ago
5 0
You may express it as :

-18+24x+5x-40=8-20x
49x=56
x=56/49
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jake spends 2 hours on each homework assignment and he had 3 assignments each day.orlando spend 2 hiurs on each homework assignm
Andrej [43]
Ok so u have to multiply for this one

Work *Jake*:

So he spends 2 hours on each assignment. He has 3 assignments so u have to do :
2*3=6
 
He spend 6 hours a day doing home work so now u have to multiply that by 30:
6*30=180

Work *Orlando*:

So he spends 2 hours on each homework. He has 2 sheets each do so u have to multiply 2 and 2: 
2*2=4

He spends 4 hours a day doing homwork so u  have to multiply it by 30: 
4*30=120


Answer:
 

So Jake spends 130 hours
Orlando spends 120 hours 

Add both together:
120+130=250

They spend 250 hours together on work in 30 days/
4 0
3 years ago
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On a local sports team 20% of 50 players are left-handed how many left-handed players are on the team
mr Goodwill [35]

Answer:

10 players

Step-by-step explanation:

so  a percentage is really just like a fraction or decimal so were going to turn it into a decimal by moving the decimal point two places to the left making it .20 then to figure out the answer we're going to multiply 50 by .20 to get 10

3 0
3 years ago
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Solve the equation 4p+9+(-7p)+2=
mr_godi [17]
4p+9-7p+2=
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6 0
3 years ago
Two-Thirds a number plus 4 is 7
alexira [117]
Yes that is correct
7 0
3 years ago
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This problem has been solved!
rjkz [21]

Answer:

1. Precise

2.Both

3.Precise

5.Neither

Step-by-step explanation:

Accuracy is the closeness of a measured value to a standard value.

Precision is the closeness of two or more measurements to each other.

1.The norm is 45 sit-ups in a minute.The students did, 64, 69,65 and 67. Values are not accurate compared to standard value 45.

Values are precise

Answer--Precise

2. Average score is 89.5

  Scores are 89,93,91,87

  Values are precise i.e a difference of 2 from each score

  Values are accurate because the average score is 90 thus compared to      the known average score of 89.5 they are accurate.

Answer-Both

3. Yesterday temperature=89

   Tomorrow=88

    Next day=90

   Average =75

   Values are precise i.e. difference of ± 1°

   Values are not accurate compared to the average temperatures of 75 F

   Answer---Precise

5. The jar contained 568 pennies

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  The values are not precise

  The values are not accurate

  Answer---Neither

5 0
3 years ago
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