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vagabundo [1.1K]
3 years ago
9

Need help with this math question

Mathematics
1 answer:
Vlad1618 [11]3 years ago
8 0

Answer:

B. 46

Step-by-step explanation:

10% is equal to 1/10, so we have x/10 = 20. We multiply by 10 on both sides, leaving us with x = 200. 23% of 200 is equal to 46.

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13. If 6 times the 6th term of an A.P. is equal to
romanna [79]

Answer:

see explanation

Step-by-step explanation:

The n th term of an AP is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Given

6(a₁ + 5d) = 13(a₁ + 12d) ← distribute parenthesis on both sides

6a₁ + 30d = 13a₁ + 156d ( subtract 13a₁ from both sides )

- 7a₁ + 30d = 156d ( subtract 30d from both sides )

- 7a₁ = 126d ( divide both sides by - 7 )

a₁ = - 18d

Now

a₁₉ = a₁ + 18d = - 18d + 18d = 0 ← as required

7 0
3 years ago
Divide £24 in ratio 3:5
Nadya [2.5K]
When i divide into ratio, i like to think of them as units:

so 24 will be divided into units, where the first thing gets 3 units and the second 5 units. In total those are 3+5=8 units.


so each unit will have 24/8=4

so the division into the two numbers is like this: the first one gets 3 units (3*4=12) and the second 5 (5*4=20)
so it's 12:20. 


4 0
4 years ago
What is less than 1/2 inches
Alja [10]

Answer:

1/4 inches

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A walk in interview 12% of Candidates can be selected and 28% of Canada can be put on hold for the next hiring date if 75 candid
Vikentia [17]

Answer:

45 candidates are expected to be rejected

Step-by-step explanation:

Here, we want to calculate the number of candidates to be rejected

The number of candidates to be rejected can be calculated from;

100% - (28% + 12%) = 60%

So 60% of the 75 interviewed are to be rejected

Thus, we have

60/100 * 75

= 45

4 0
3 years ago
Read 2 more answers
How many 4-character passwords can you generate if the first character can be any letter of the English alphabet, the next two c
Anarel [89]

There are 7,800 different passwords.

<h3>How many different passwords can be generated?</h3>

Here we need to count the number of options for each of the digits of the password.

The first character has 26 options (26 letters in the alphabet).

The second character has 10 options (ditis from 0 to 9), and also does the third character

The fourth character has 3 options (%,*, or #)

The total number of different passwords that can be generated is given by the product between the numbers of options, so we have:

C = 26*10*10*3 = 7,800

There are 7,800 different passwords.

If you want to learn more about combinations:

brainly.com/question/11732255

#SPJ1

4 0
2 years ago
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