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angie249
12.03.2021 •
Mathematics
3. What is m T in kite STVW?
A. 100
B. 95
C. 130
D. 260
Solved
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Ответ:
D
Step-by-step explanation:
For square root, the term underneath must always equal 0 or be greater than 0.
For 4x to equal to or be greater than 0 then x has to be![\geq 0](/tpl/images/1668/6510/12407.png)
For
then x+2
0 so x![\geq -2](/tpl/images/1668/6510/de16f.png)
You have to pick the more restrictive of the between x
0 and x
-2 and so we must pick D because it is the one which restricts the most values out of the two options when you solve the equation.