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iragen [17]
3 years ago
10

The bar diagram represents 24 hours in one day and shows a mark at 30%. If you sleep 30% of the day, how many hours do you sleep

?
Mathematics
2 answers:
yan [13]3 years ago
6 0

Answer:

24 hr × 30% = 24 hr × 0.30 = 7.2 hr (or 7 hr 12 min)

RoseWind [281]3 years ago
4 0

Good evening ,

Answer:

7.2 hours

Step-by-step explanation:

24×30% = 24×(30÷100) = 7.2

:)

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Pls help It's so confusing
Genrish500 [490]

9. 9.37, 9.3, 9.219, 9.129

10. 0.101, 0.100, 0.012, 0.001

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Hope it helps

3 0
3 years ago
Read 2 more answers
use algebraic manipulation to find the minimum sum-of-products expression for the function x1x2'x3' + x1x2x4+x1x2'x3x4'
Dennis_Churaev [7]

Answer:

sum of products expression = x₁x₂x₃'  +  x₁x₂'x₄  + x₁x₂x₄

Step-by-step explanation:

Given function ( f ) = x₁x₂'x₃'  +  x₁x₂x₄ + x₁x₂'x₃x₄'

using algebraic manipulation

f = x₁ [ x₂'x₃'  +  x₂x₄ + x₂'x₃x₄' ]

 =  x₁ [ x₂'( x₃' + x₃x₄') +  x₂x₄  ]

next apply Boolean rules

a + bc = ( a + b )(a + c )

a' + a =1

hence

minimum sum-of-products expression = x₁x₂x₃'  +  x₁x₂'x₄  + x₁x₂x₄

7 0
3 years ago
.Shanice and Micaela are selling cheesecakes for a school fundraiser. Customers can buy pecan
belka [17]

Answer:

Pecan cheesecake = $11

Strawberry cheesecake= $19

Step-by-step explanation:

To solve this, we will need to set up a system of equations:

Let's call "Pecan cheesecakes" 'x', and

"Strawberry cheesecakes" 'y'.

We can set up the equations once we have our variables:

276= 13x + 7y

295 = 13x +8y

We will need to subtract these equations from each other to get rid of the 'x' variable. This gives us:

295 = 13x+ 8y

        -

276 = 13x+ 7y

19 = y

Therefore, Strawberry cheesecakes cost $19. Plug this into an equation to get the value of 'x':

276= 13x + 7(19)

276 = 13x + 133

143 = 13x

x= $11.

Therefore, Pecan cheesecakes cost $11.

8 0
3 years ago
Carol had 2 pieces of paper. She gave each student in her class 1/4 of a piece of paper. If Carol gave away all her pieces of pa
NeX [460]
She gave her paper away to eight people because giving her paper pieces to four students ,equals one whole piece of paper, and she has two, so two times 4 equals 8.           
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4 0
3 years ago
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the number of calories in a container of milk is directly proportional to the amount of milk in the container. if there are 160
lorasvet [3.4K]

Answer:

300

Step-by-step explanation:

6 0
3 years ago
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