Step-by-step explanation:
The given measurements are:
16 m, 21 m, 39 m
We know that, it is only possible to form a triangle if sum of the measures of any two lengths is always grater than the measure of third length.

Therefore, it is not possible to form a triangle with given measurements.
Answer:
y= 2x + 4
x = 4 + 2
x = 6
Step-by-step explanation:
is it helpful please tell in comments
Answer:
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There are 6 children total, 4 of which are girls. The ratio is 2:1 girls:boys, so there will need to be twice as many pinks as there are blues. If we get 12 pinks, then there will be 6 blues. That's the biggest since that's all the pinks the florist has.
Answer:
Step-by-step explanation:
The Expression
P = 7 x + 4
Q = 3 x + 5 + 4 x -1
Adding like terms , i.e term containing variables and term containing constants
Q = 3 x + 4 x + 5 -1 [You must be thinking why i have written this, keep in mind Commutative law of addition which is , a + b = b + a, i.e in this expression , 5 + 4 x = 4 x + 5]
So, Q = 7 x + 4
As you can see both P and Q are identical Expressions.
Now we will check each and every option.
1. When x= 2,
P =Q= 7 × 2 + 4= 14 + 4= 18→→→→(True)
2. As for x=4,6
P = Q = 7 × 4 +4=28 + 4=32
P = Q= 7× 6 +4 = 42 +4=46
As , explained above, We saw that both the expressions P and Q are identical.
So , There are infinite values of x , for which these Expression P and Q are identical.