There are 12 students in a homeroom wearing a school t-shirt these students make up 60% of the class how many students are in th
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We're given the Arithmetic Progression <em>-24, -4, 16, 36 ...</em> .
We know that a term in an AP is generally represented as:
where,
- a = the first term in the sequence
- n = the number of the term/number of terms
- d = difference between two terms
We need to find .
From the given progression, we have:
- a = -24
- n = 23
- d = (-24 - (-4) = -20
Using these in the formula,
Therefore, the 23rd term in the AP is -464.
Hope it helps. :)
Answer:
8°,32°,140°.
Step-by-step explanation:
Sum of measure of angles of a triangle is 180°
Let the second smallest angle be x°
Smallest angle= x
Largest angle= 5 x- 20°
A T Q
x+ x + 5x-20= 180°
= 180+ 20
= 200
x= × 4
x= 32°'
Smallest angle is 32°
Hence, the smallest angle is x=
×32°= 8°
Largest angle is 5x- 20= 5×32- 20= 140°