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zheka24 [161]
3 years ago
15

Please help

Mathematics
1 answer:
mariarad [96]3 years ago
7 0

Answer: 3 and 1/2

Step-by-step explanation:

had this question on the quiz

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Help pls. I give all points i have​
grin007 [14]

Answer:

100 cm so .............qsuw

4 0
3 years ago
A student is trying to solve the set of two equations given below:
Brrunno [24]
To eliminate z multiply equation A by 7 and subtract both equations or divide equation B by 7 and subtract. (in this case, multiplying Equation A by 7 would be easier)
7 0
3 years ago
40% of an hour in minutes and secs
olga55 [171]

Answer:

<em>40% of an hour </em><em>equals: </em><em>24 minutes </em>

<em>40% of an hour also </em><em>equals: </em><em>1440 seconds</em>

<u>Skills needed: Time Units Conversion</u>

Step-by-step explanation:

1) First, we need to understand how to convert between hours, minutes, and seconds.

There are 60 minutes in 1 hour ==> 1 hour = 60 minutes

There are 60 seconds in 1 minute ==> 1 minute = 60 seconds

- This means that there are 3600 seconds in 1 hour (60*60=3600)

- This also means that there are 60 minutes in 1 hour

2) We are trying to find how many minutes (or seconds) 40% of an hour is.

---> When converted to decimal, 40\%=\frac{40}{100}=0.4

40% of an hour = 0.4 hours

Since there are 60 minutes in an hour, there are 60*0.4 minutes in 0.4 hours. 60*0.4=24 so, 24 minutes in 0.4 hours.

Since there are 3600 seconds in an hour, there are 3600*0.4 seconds in 0.4 hours. 3600*0.4=1440 so, 1440 seconds in 0.4 hours.

3 0
2 years ago
Read 2 more answers
Which correctly completes this number sentence?
Lina20 [59]

Answer:

4×6= 24

So,( 4×2 )+x= 24

x= 24-8

x= 16

x= 4×4

4 0
3 years ago
Read 2 more answers
1.Hannah walked the same number of miles each day for 5 days. Let m represent the total number of miles Hannah walked. Write a l
mamaluj [8]

1) Given m represent the total number of miles Hannah walked.

Let us assume Hannah walked x miles each day.

So total number of miles Hannah walked in 5 days is m=5x.

2)Given Jimmy brought 2 books per day and Peter brought 4 books per day.

If d is the number of days the book drive, total number of books they brought

        =total number books brought by Jimmy+ total number of books brought by Peter                                                                          

        = 2d+4d = 6d

3) Given that c represent cost of the clothes.

Then 30% discount = 0.3c

Hence cost of the clothes = c-0.3c = 0.7c

4) Given c represent the cost of their meal before tipping.

And tip is 15% of the cost.

Hence tip = 0.15c

Hence total bill = c+0.15c=1.15c

5) Given that Tommy had 40$ in his pocket.

And pair of pants cost 37$ with 10% sales tax.

Hence cost of pants including sales tax = 37+37*0.1 = 40.1$ >40$

Hence Tommy cannot afford the pants with 40$ in his pocket.

For following problems, we should group the like terms together and then simplify.

6) (x+8)+(3x-12) = (x+3x)+8-12 = 4x-4

7) 5x+7-(3x-4) = 5x+7-3x+4 = (5x-3x)+7+4 = 2x+11

8) (x-2)-(-4x+1)=x-2+4x-1 = (x+4x)-2-1 = 5x-3

8 0
3 years ago
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