Answer:
x=8
Step-by-step explanation:
These two equation should add up to equal 180.
8x+13+12x+7=180
20x+20=180
20x=160
x=8
Answer:
All the possible values of
lies in the interval
.
Step-by-step explanation:
As the range of
is

As the range of
is

As
contains the set of number between 3 to 4, and
contains the values of from 4 to 5.
can be obtained by subtracting the values of
from
.
So,
⇒ 
⇒ 
Therefore, all the possible values of
lies in the interval
.
Keywords: number, value, interval
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1. (2x + 3)(x + 1)
2. Prime
3. (4x - 1)(2x + 3)
4. Prime
5. (2x - 7)(x + 4)
Answer:
The answer is "
".
Step-by-step explanation:

Answer is $30.75
19.68÷16=1.23
1.23×25=30.75