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abruzzese [7]
3 years ago
7

The sum of ages Afful and Naomi is 34. In 5 years time , Afful will be 2 times the age on Naomi now. How old are they now.

Mathematics
2 answers:
barxatty [35]3 years ago
8 0

Answer:

Naomi=x

Afful=2x

In 5 years time= +5

So Naomi=x+5

and and Afful=2x+5

=x+5+2x+5=34

=3x+10=34

Subtract 10 on both sides

3x=24

Divide 3 on both sides

X=8

Check:

X=8

Naomi=16

In 5 years

=16+5=21

Naomi=8+5=13

13+21=34

Hope this helps

Step-by-step explanation:

GenaCL600 [577]3 years ago
7 0

Answer:

Afful is 21 and Naomi is 13.

Step-by-step explanation:

Let A represent the age of Afful and N represent the age of Naomi.

The sum of their ages is 34. In other words:

A+N=34

In 5 years time, Afful will be two times the age of Naomi <em>now</em>. In other words:

A+5=2N

Solve for the system. Substitute.

A+N=34\\A=34-N\\34-N+5=2N\\39=3N\\N=13\\\\A=34-N\\A=34-(13)\\A=21

Afful is currently 21 and Noami is currently 13.

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2.
kompoz [17]

The relative frequency for the range 16 - 20 is 0.27.

<h3>What is the frequency of a data set?</h3>

The frequency of a data set refers to the number of times a data or an event is occurring.

From the given information:

Range         Number of values

1 - 5                       3

6 - 10                     1

11 - 15                    4

16 - 20                  5

21 - 25                   2

Total                     15          

Relative Frequency = Subgroup frequency/ Total frequency

Relative Frequency for the range 16 - 20:

= 4/15

= 0.27

Learn more about frequency here:

brainly.com/question/1094036

#SPJ1

3 0
2 years ago
PLEASE ANSWER if a ball falls off a cliff that is 30 meters tall and down to the bottom of a pond that is 15 meters deep, what i
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Answer:

30

Step-by-step explanation:

<h2 /><h2 />

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The lines s and t intersect at point R.<br><br> What is the value of y?<br><br> y = ____
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Assuming that the angles are congruent, then y = 29.
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