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aniked [119]
2 years ago
5

8. Jack is going to paint the ceiling and four

Mathematics
1 answer:
Ugo [173]2 years ago
7 0

Answer:

D

Step-by-step explanation:

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In the number 4105 how many significant figures​
Alekssandra [29.7K]

Answer:

There are 4 significant figures in the number 4105

Hope this helps!

Mark me brainliest if I'm right :)

5 0
2 years ago
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What is 100 times 1,0000000000000000000 will give brainlies
natima [27]

Answer:

1000000000000000000000

Step-by-step explanation:

just multiply it ;-; or add 2 zeros in 1,0000000000000000000

5 0
2 years ago
Students who party before an exam are twice as likely to fail as those who don't party (and presumably study). If 20% of the stu
True [87]

Answer:

The fraction of the students who failed to went partying = \frac{1}{10}

Step-by-step explanation:

Let total number of students = 100

No. of students partied are twice the no. of students who not partied.

⇒ No. of students partied = 2 × the no. of students who are not partied

No. of students partied before the exam = 20 % of total students

⇒ No. of students partied before the exam = \frac{20}{100} × 100

⇒ No. of students partied before the exam =  20

No. of students who not partied before the exam = \frac{20}{2} = 10

Thus the fraction of the students who failed to went partying = \frac{10}{100} = \frac{1}{10}

8 0
3 years ago
The sum of three integers is 12
Liula [17]

The three integers are 5,17 and -10

Step-by-step explanation:

Let x, y and z be three integers then

x+y+z=12 \ \ \Eqn\ 1

'The sum of the first and second integers exceeds the third by 32'

x+y=z+32\ \ \ \ Eqn\ 2

The third integer is 15  less than the first.

z=x-15\ \ \ \ Eqn\ 3

From Eqn 2:

x+y=z + 32\\x+y-z=32

Subtracting Eqn 1 from eqn 2

x+y-z-(x+y+z)=32-12\\x+y-z-x-y-z=20\\-2z=20

Dividing both sides by -2

\frac{-2z}{-2}=\frac{20}{-2}\\z=-10

Putting z=-10 in Eqn 3

z=x-15\\-10=x-15\\x=15-10\\x=5

Putting x=5 and z=-10 in Eqn 1

x+y+z=12\\5+y-10=12\\y-5=12\\y=12+5\\y=17\\

Hence,

The three integers are 5,17 and -10

Keywords: Linear Equations, Variables

Learn more about linear equations at:

  • brainly.com/question/13219835
  • brainly.com/question/1836777

#LearnwithBrainly

3 0
3 years ago
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Perform the following operations on the vectors u=⟨1,3⟩ and v=⟨−3,4⟩
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Answer:

las;kdfj;la sdjfla sjdfl;asdl;f ajd;fasjdlf ;asdlkjf ;lasjd f;las dflka sf;lk asdjf as i omg i am so msart

Step-by-step explanation:

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