99+72=9(11+□ )
pleas help

Answer:

9(11+8)=171    8 is your answer

Step-by-step explanation:

99+72=171

For the expression 99 + 72 = 9 (11 + x) the value of x is 8.

Calculate the answer using a math operator is referred to as a mathematical operation.

Basic mathematical operations are addition, multiplication, subtraction and division.

The given expression is,

99 + 72 = 9 (11 + x)

To find the value of x, simplify the expression by using mathematical operations,

171 = 9 (11 + x)

171 / 9 = 11 + x

19 = 11 + x

19 - 11 = x

8 = x

x = 8

The required value of x is 8.

To learn more about Mathematical operations on :

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If you think of the equation as an equation for a line.

=+
y
=
m
x
+
b

where

=5/9(−32)
C
=
5
/
9
(
F
−
32
)

or

=5/9−5/9(32)
C
=
5
/
9
F
−
5
/
9
(
32
)

you can see the slope of the graph is 5/9
5
/
9
, which means that for an increase of 1 degree Fahrenheit, the increase is 5/9
5
/
9
of 1 degree Celsius. Therefore, statement I is true.

This is the equivalent to saying that an increase of 1 degree Celsius is equal to an increase of 9/5
9
/
5
degrees Fahrenheit. Since 95
9
5
= 1.8, statement II is true.

On the other hand, statement III is not true, since a temperature increase of 9/5
9
/
5
degrees Fahrenheit, not 5/9
5
/
9
degree Fahrenheit, is equal to a temperature increase of 1 degree Celsius.

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