12,13,15,16,19,19,19,20,21,25 find the mean
2 answers:
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For the first one it’s 40 feet
The second one is 32
The last is 40
The second one is 32
The last is 40
Answer:
26
Step-by-step explanation:
Since x = -5, we can replace x with it's numerical -5, right? The problem tells you that x is equal to -5. So, just replace any x you see with -5.
So in this case,
turns into:
You can use a calculator or solve it by hand to see what the answer is.
Answer:
Step-by-step explanation:
If AB = AD, then you have that triangle ABD is an isosceles triangle (it has two equal sides). If it is isosceles, then the angles opposite to angles those equal sides must be equal. Then angle ADB = . and by the property of all internal angles of a triangle have to add to
, we get that: