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3 years ago

If u go to sleep at 9:30 p.m. and wake up at 6:30a.m. The next morning how long did u sleep

Mathematics

2 answers:

puteri [66]3 years ago

8 0

Well first do this
12.00 - 9.30 = 2.30
2.30 + 6.30 = 9
You slept 9hrs

zmey [24]3 years ago

8 0

Answer:

9 hours

Step-by-step explanation:

12.00 - 9.30 = 2.30

2.30 + 6.30 = 9

You slept for 9hrs, so u got a lot of sleep

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Solve by completing the square

Sveta_85 [38]

$\qquad\qquad\huge\underline{{\sf Answer}}☂$

Let's solve ~

$\qquad \sf \dashrightarrow \: {x}^{2} + 8x = 33$

$\qquad \sf \dashrightarrow \: {x}^{2} + 8x +16 = 33 + 16$

$\qquad \sf \dashrightarrow \: (x + 4) {}^{2} = 49$

$\qquad \sf \dashrightarrow \: x + 4 = \sqrt{49}$

$\qquad \sf \dashrightarrow \: x + 4 = \pm7$

Hence, there are two solutions ~

1. when x + 4 = 7

$\qquad \sf \dashrightarrow \: x + 4 = 7$

$\qquad \sf \dashrightarrow \: x = 7 - 4$

$\qquad \sf \dashrightarrow \: x = 3$

2. when x + 4 = -7

$\qquad \sf \dashrightarrow \: x + 4 = - 7$

$\qquad \sf \dashrightarrow \: x = - 7 - 4$

$\qquad \sf \dashrightarrow \: x = - 11$

I hope you understood ~

8 0

2 years ago

Some of the following integers are prime. Compute the sum of the prime integers in the list. (a) 197 (b) 497 (c) 1111 (d) 2111 (

spin [16.1K]

The sum of the prime integers in the list is 10158.

<h3>What are Prime Numbers ?</h3>

The numbers that are divisible by 1 or itself is called a Prime Number.

The sum of two prime numbers is not a prime number

The given prime numbers are

197 , 497, 1111 ,2111 , 2643 , 3599

=197+ 497+1111+2111+2643+3599

= 10158

The sum of the prime integers in the list is 10158.

To know more about Prime Number

brainly.com/question/9315685

#SPJ1

4 0

2 years ago

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match the verbal descriptions with the co

Daniel [21]

Answer:

Step-by-step explanation:

6 more than a number is 36: x+6=36

36 more than a number is 6: x+36=6

6 times a number is 36: 6x=36

4 0

3 years ago

Arrange the list of numbers in increasing order.. . 2/5, 4/9, 3/7

Allushta [10]

The numbers given in the question are 2/5, 4/9 and 3/7. We have to take them to decimal form for arranging the numbers in increasing order.
2/5 = 0.40
4/9 = 0.44
3/7 = 0.43
Then, the increasing order of the numbers would be
2/5 < 3/7 < 4/9
I hope the answer has helped you.

6 0

3 years ago

Is this Biased or Unbiased and Explain? ( Q:Are you willing to deal with noisy,heavy increases in traffic where you live just so

sleet_krkn [62]

Answer:

It is biased.

Step-by-step explanation:

Some individuals may prefer to have noisy, heavy increases in traffic where the individual lives because of the mall. If the individual likes it or not is subjective.

6 0

3 years ago