Answer:
1.5
Step-by-step explanation:
To find the mean, we must add all of our terms, and then divide by the number of terms.
Solve:
Since we have seven terms, we must divide our total (
), by seven.
÷ 
Solve:
÷ 
Therefore, the mean is 
The following triangle is classified as: Scalene acute.
<h3>Why is the triangle classified as scalene?</h3>
The triangle is classified as scalene because all side lengths are different. If there were 2 equal side lengths, the triangle would be isosceles, and if all three were equal, equilateral.
<h3>Why is the triangle classified as acute?</h3>
The triangle is classified as acute because all angles are less than 90º. If there was one angle with measure greater than 90º, the triangle would be classified as obtuse.
More can be learned about classification of triangles at brainly.com/question/1058720
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The number is xy
x+y=12
10y+x=54+10x+y
so
x+y=12
minus x both sides
y=12-x
sub that for y
10(12-x)+x=54+10x+(12-x)
120-10x+x=54+10x+12-x
120-9x=66+9x
add 9x both sides
120=66+18x
minus 66 both sides
54=18x
divide both sides by 18
3=x
sub back
y=12-x
y=12-3
y=9
the number is 39
Answer:
y-5=12(x+8)
Step-by-step explanation:
Answer:
please be more specific
Step-by-step explanation:
