MATHEMATICS HIGH SCHOOL

Susan has $80. She spends 3/5 of the money on Monday. She spends the remaining money equally over the next 5 days. How much money does she spend on each of the 5 days?

Answers

Answer 1
Answer: $6.40
.................................
Answer 2
Answer: 6.40 EACH DAY FOR 5 DAYS ......

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HELP MEH YOU GET 18 points!
What multiplies to 0 and adds to 8

R=-6 and t=3. what is 12-t | 3r-2 |

Answers

12 - t|3r - 2|

r = -6; t = 3

subtitute:

12 - 3 · |3 · (-6) - 2| = 12 - 3 · |-18 - 2| = 12 - 3 · |-20| = 12 - 3 · 20 = 12 - 60 = -48

What is the sum of (x^2+6x-5) + (2x^2+15)

Answers

Answer:

3x^2 + 6x + 10

Step-by-step explanation:

Because we're adding it, it doesn't matter if we just take out the parenthesis.

X^2 + 2x^2 gives us 3x^2.

6x stays the same.

-5 + 15 gives us 10.

3x^2 + 6x + 10

the measures of an exterior angle and the adjacent interior angle add p to 360 because they form a linear plane?

Answers

Sadly, I can't see the picture you're looking at as you make that statement.
But I'm pretty sure that when you combine an exterior angle with the interior
angle adjacent to it, you'll wind up with 180°, because they form a linear line.
There actually isn't any such thing as a linear plane.

What is 1/10 + 1/4 + 1/5+2/15? A.41/60 B 6/41 C 11/12 D 1/7

Answers

an easy common denominator is 60 bc 15*4=60 and everything else can equal 60 too so: 
6/60+ 15/60+ 12/60+ 8/60 = 41/60 (you only add the numerator numbers) usually you would reduce the end result too but 41 is a prime number so you cant 
1/10 + 1/4 + 1/5 + 2/15.

LCM of 10, 4, 5, and 15 = 60

1/10 = 6/60        1/4 = 15/60      1/5 = 12/60    2/15 = 8/60

= 6/60 + 15/60 + 12/60 + 4/60 = (6 + 15 + 12 + 8) / 60 = 41/60

Option A.

Which is greater 1/9 or 1/8

Answers

1/8 is greater than 1/9 , because 1 is being divided by a smaller number and hence the result would be bigger than when that same 1 is divided by a bigger number as 9.

OR

1/9           1/8            Cross Multiply

8*1            9*1

8                9

8      <        9

Implies that  1/9 is less than 1/8 and hence 1/8 is greater than 1/9.  
 

OR

Use your calculator and convert both to decimal

1/9            1/8

0.111..        0.125

You can see that 1/8 is greater than 1/9.

An Apple iPad sells for $699.00 on eBay. The markup is 30% on cost. What is the total cost of the iPadsold on eBay?

Answers

The cost of the iPad  sold on eBay is $537.7

The mark up percentage is given by:

Mark up = [(selling price - cost price)/cost price] * 100%

Given that selling price = $699, mark up = 30%= 0.3. Let x represent the cost price, hence:

Mark up = [(selling price - cost price)/cost price] * 100%

0.3 = (699-x)/x

0.3x = 699 - x

1.3x = 699

x = $537.7

Therefore the cost of the iPad  sold on eBay is $537.7

Find out more at: brainly.com/question/20548779
the cost of ipad = 699$
the markup = 30%
1%  = 699/100 = 6.99$
30% = 6.99 x 3 = 209.7$
the markup = 209.7$
the total cost of the ipad = 699 + 209.7 = 908.7$
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