What is the equation of the line that passes through the point (-5,-3) and has a slope of -1?
2 answers:
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Answer:
Length of third side is:
Step-by-step explanation:
Perimeter of triangle =
Length of side 1=
Length of side 2=
We need to find length of third side.
The formula used is:
Putting values and finding length of third side.
So, Length of third side is:
Answer:
Step-by-step explanation:
Arithmetic sequence:
Here a is the first term and d is the common difference.
⇒
------------(I)
⇒ a + 19d = 100 ---------(II)
Subtract equation (I) from (II)
(I1) a + 19d = 100
(II) a + 13d = 46
<u>- - -</u>
6d = 54
d = 54 ÷ 6
Substitute d = 9 in equation(I) and find 'a',
a + 13*9= 46
a + 117 = 46
a = 46 - 117
a = -71
= -71 + 18
= -53
= -71 + 54
= -17
= -71 + 9*n - 1 *9
= -71 + 9n - 9
= -71 - 9 + 9n
= - 80 + 9n