3 years ago

Plz no links and answers asap

Mathematics

2 answers:

Amanda [17]3 years ago

5 0

Answer:

5*x3/x2

=5*(2)3 / (2)2

= 5* 8 / 4

= 40/4

= 10

may it helped u ...

JulijaS [17]3 years ago

4 0

Answer:

10 is the evaluated answer.

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Find two numbers if their sum is 6.1 and their difference is 1.6

Radda [10]

For this case, the first thing we must do is define variables:
x: unknown number (1)
y: unknown number (2)
We now write the equations that model the problem:
their sum is 6.1:
$x + y = 6.1
$
their difference is 1.6:
$x - y = 1.6
$
Solving the system we have:
We add both equations:
$x + x = 6.1 + 1.6

2x = 7.7

x = 7.7 / 2

x = 3.85$
Then, we look for the value of y using any of the equations:
$x - y = 1.6

y = x - 1.6

y = 3.85 - 1.6

y = 2.25$
Answer:
The numbers are:
$x = 3.85

y = 2.25$