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dimulka [17.4K]
3 years ago
15

May someone see if I got this Math problem correct, Thank you.

Mathematics
1 answer:
TEA [102]3 years ago
5 0
I think you are right !!!!! I am also little bit confused!
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an article after allowing a discount of 20% on its marked price was sold at a gain of 20% had it been sold after allowing 25% di
Effectus [21]

Answer:

Rs 120

Step-by-step explanation:

Let MP = m

Discount = 25% of MP = m/4

SP = MP - Discount

= m - m/4 = 3m/4

If profit is 20%, CP = 3m/4 x 100/120 = 5m/8

=> Profit = 3m/4 - 5m/8 = m/8

Given Profit - Discount = Rs 15

=> |m/8 - m/4| = 15

m/8 = 15

m = Rs 120

8 0
3 years ago
How many ways can 4 tires be arranged
AlladinOne [14]
I believe the answer would be 4!
So 4 * 3 * 2 * 1
24.

Here's proof :
ABCD
ABDC
ACBD
ACDB
ADBC
ADCB
BACD
BADC
BCAD
BCDA
BDAC
BDCA

Following this order, each letter has 6 additional options, so 4! Would answer this appropriately. Some would say 6*4 but that's the same as 4*3*2 (3 and 2 becomes 6)
6 0
3 years ago
There are four blue marbles, an unknown number of red (r) marbles, and six yellow marbles in a bag. Which expression represents
MAXImum [283]

Answer:

There are a total of 4 + r + 6 marbles in the bag

The probability of a blue is  \frac{4}{10+r}  

The probability of a red is  \frac{r}{10+r}  

The probability of choosing a blue, replacing it and then a red is

\frac{4}{10+r} × \frac{r}{10+r}  =  [tex]\frac{4r}{100+20r+ r^{2} /[tex]

Step-by-step explanation:

6 0
3 years ago
What is the taxi distance from point C(2,4) to point D(1,7)
Delicious77 [7]
I cant see my forehead
5 0
3 years ago
Solve x-5= 2.<br> a. X = 3<br> b. X = -7<br> c. X= 7<br> d. x = -3
LenaWriter [7]

Answer: C.

Explanation: X= -7

3 0
3 years ago
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