Answer:
Step-by-step explanation:
Answer:
60 that's the least common multiple
Step-by-step explanation:
Given:
Two similar triangles AEB and ACD.
To solve for x, we can use ratio and proportion following the rule for similar triangles.
So,
AE / AD = AB / AC
Substitute values,
AE = AD - DE
AE = 6 - 5
AE = 1
1 / 6 = 2 / (2 + x + 4)
Solve for x
x = 6
then,
BC = x +4 = 6 + 4 = 10
AC = 2 + x + 4 = 12
Therefore, the measurements of the triangles are:
AE = 1
BC = 10
AC = 12
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This is an aritmetic series;
a=-10
d=-7--10
d=3
n= 7
Sum=
(2a+(n-1)d)
Sum=
sum=3.5(-20+18)
sum=3.5(-2)
sum=-7
Answer:
the answer is B.
Step-by-step explanation:
answer it good
