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Sedbober [7]
3 years ago
10

5% 0f a number is 23 1% of the same number is 4.6 work out 16% of the number

Mathematics
2 answers:
sveta [45]3 years ago
6 0

The 16% of 460 is 73.60 .

<u>Step-by-step explanation:</u>

Here we have ,  5% of a number is 23  ,1% of the same number is 4.6 . We need to find the number . Let's find out:

Let the number x so according to question , 5% of a number is 23  i.e.

⇒ \frac{Number(5)}{100}=23

⇒ \frac{x(5)}{100} = 23

⇒ \frac{x}{20} = 23

⇒ \frac{x}{20} (20)= 23(20)

⇒ x= 23(20)

⇒ x= 460

Also , 16% of x is :

⇒ \frac{460(16)}{100}=73.6

Therefore , The 16% of 460 is 73.60 .

strojnjashka [21]3 years ago
4 0

16% of the number is 73.6

<u>Explanation:</u>

Let x be the number

According to the question:

\frac{5}{100} X x = 23\\\\x = \frac{2300}{5} \\\\x = 460

The number is 460.

1% of the same number is 4.6

Proof-

\frac{1}{100} X 460 = 4.6

16% of the number = ?

\frac{16}{100} X 460 = 73.6

Therefore, 16% of the number is 73.6

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Consider the vector x: x &lt;- c(2, 43, 27, 96, 18) Match the following outputs to the function which produces that output. Opti
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<u>Completed Question</u>

Outputs to be matched to the functions are:

  • 1,2,3,4,5
  • 1,5,3,2,4
  • 1, 4, 3, 5, 2
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Answer:

  • sort(x): 2, 18, 27, 43, 96
  • order(x): 1, 5, 3, 2, 4
  • rank(x) : 1, 4, 3, 5, 2
  • none of these :  1, 2, 3, 4, 5

Step-by-step explanation:

Given the vector x: x <- c(2, 43, 27, 96, 18)

<u>Sort</u>

In R, the sort(x)  function is used to arrange the entries in ascending or descending order. By default, R will sort the vector in ascending order.

Therefore, the output that matches the sort function is:

sort(x): 2, 18, 27, 43, 96

<u>Rank</u>

The rank function returns a vector with the "rank" of each value.

x <- c(2, 43, 27, 96, 18)

  • 2 has a rank of 1
  • 43 has a rank of 4
  • 27 has a rank of 3
  • 96 has a rank of 5
  • 18 has a rank of 2

Therefore, the output of rank(x)  is: 1, 4, 3, 5, 2

<u>Order</u>

When the function is sorted, the order function gives the previous location of each of the element of the vector.

Using the sort(x) function, we obtain: 2, 18, 27, 43, 96

In the vector: x <- c(2, 43, 27, 96, 18)

  • 2 was in the 1st position
  • 18 was in the 5th position
  • 27 was in the 3rd position
  • 43 was in the 2nd position
  • 96 was in the 4th position

Therefore, the output of order(x) is: 1, 5, 3, 2, 4

7 0
3 years ago
Write a linear equation that passes the point (2,-9) and has a slope of -5
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Answer:

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Step-by-step explanation:

3 0
3 years ago
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X = 7 + 3y
pogonyaev
<h3>Given Equation:</h3>

x = 7 + 3y

or, x - 3y - 7 = 0 ........ (i)

5x + 6y = 14

or, 5x + 6y - 14 = 0 .........(ii)

<h3>To Find:</h3>

The value of x and y.

<h3>Solution:</h3>

By dividing eq. ii by 2, we get

5/2x + 3y - 7 = 0 ........ (iii)

By adding eq. i and eq. iii, we get

15/2x = 0

or, <u>x = 0</u> ........(iv)

By putting eq.(iv) in eq. (i), we get

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<h2>Answer: ( 0, -7/3 )</h2>

The value of x and y is 0 and -7/3 respectively.

5 0
3 years ago
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