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Musya8 [376]
4 years ago
10

If a+b=2x-2 and a-b=4x-8

Mathematics
1 answer:
spin [16.1K]4 years ago
4 0
What are you looking for? looking for x a or b?
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James has just sold his motorbike for £1,890. He bought the motorbike for £2,700. What was his percentage loss? %
Usimov [2.4K]
£2.700 - £1890 = £810

<span>£ (money) -------------- percentage (%)
</span>2.700 -------------------- 100
810 ----------------------- x

2700*x = 810*100
2700x = 81000
x =  \frac{81000}{2700}
\boxed{x = 30}

Answer: 
Percentage loss = 30%
6 0
3 years ago
Subtract 8 feet from 9 yards, 1 foot.
Nostrana [21]

Answer: B

Step-by-step explanation:

I knew I would have 1 foot left so that made sure it wasn’t A then I knew that it the answer had to be in yards so I convert 8 feet into yards which becomes 2.7 so it’s not three which makes I’m not C. So 9 yards minus 2.7 yards would equal the answer B

6 0
3 years ago
Read 2 more answers
How much longer is a 1-inch button than a 3/4-inch button
nikitadnepr [17]
The answer is 1/4 because 3/4 is 1/4 away from 1
8 0
3 years ago
Read 2 more answers
"The counting rule that is used for counting the number of experimental outcomes when n objects are selected from a set of N obj
Liula [17]

<u>Options</u>

  • Counting rule for permutations
  • Counting rule for multiple-step experiments
  • Counting rule for combinations
  • Counting rule for independent events

Answer:

(C)Counting rule for combinations

Step-by-step explanation:

When selecting n objects from a set of N objects, we can determine the number of experimental outcomes using permutation or combination.

  • When the order of selection is important, we use permutation.
  • However, whenever the order of selection is not important, we use combination.

Therefore, The counting rule that is used for counting the number of experimental outcomes when n objects are selected from a set of N objects where order of selection is not important is called the counting rule for combinations.

7 0
3 years ago
Answer choices<br> a<br> b<br> c<br> d
Margaret [11]

Answer:

<u><em>Either A or D</em></u>

Step-by-step explanation:

<u><em>I got It right Hope it helps this you guys</em></u>

8 0
3 years ago
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