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fiasKO [112]
1 year ago
4

1050+815+250 using properties and mental math

Mathematics
1 answer:
Mars2501 [29]1 year ago
5 0

Answer:

It 2115

Step-by-step explanation:

If you just did it a sum every thing you would get the answer. :)

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The sum of two numbers is 35. Their difference is 3. Find the numbers
IgorLugansk [536]

Answer:

19 and 16

Step-by-step explanation:

Let x and y be the two numbers

x+y = 35

x-y =3

Add the two equations together

x+y = 35

x-y =3

---------------

2x = 38

Divide by 2

2x/2 = 38/2

x = 19

Solve for y

x-y = 3

19-y = 3

Subtract 19 from each side

19-19 -y = 3-19

-y = -16

y =16

4 0
3 years ago
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Write an equation of a line that passes through (3, -1) and is perpendicular to y = 6x - 4. Show work.
Alex73 [517]

Answer:

y = -1/6x - 1/2

Step-by-step explanation:

y = -1/6x + b

-1 = -1/6(3) + b

-1 = -1/2 + b

-1/2 = b

7 0
3 years ago
Agent Hunt transferred classified files from the CIA mainframe onto his flash drive. The drive had some files on it before the t
topjm [15]

Answer:   The drive was 24.32% full when the transfer began.

 

Step-by-step explanation:

Given: The rate of transferring file = 4.44 megabytes per second.

After 32 seconds, the amount of data on the drive = 384 megabytes  

The amount of transferred data = 32\times4.4=140.8 megabytes  

Therefore, the amount of data in the drive at the beginning is given by :-

\text{Beginning amount=Amount after 32 seconds -Amount transferred}\\\\\Rightarrrow\ \text{Beginning amount=}384-140.8=243.2

The drive had a maximum capacity of 1000 megabytes.

\frac{243.2}{1000}\times100=24.32\%

Hence, the drive was 24.32% full when the transfer began.

4 0
3 years ago
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Tara's meal cost $8.60. she had to pay sales tax of 6%. then she left a 10% tip based off the new total. what did she spend all
Musya8 [376]
I believe that the answer would be $9.52, once you calculate both the sales tax and the tip.
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3 years ago
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Help i dont understand how to multiply fractions
Nataly_w [17]
Just multiply the tops together and the bottoms together :)
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3 years ago
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