Answer:
-7
Step-by-step explanation:
Let the number be x
So we get equation : 3x + 8 = -13
Thus, 3x = -13-8 = -21
So, x = (-21)/3
Hence the required number is -7
You would divide both sides by the same non-zero constant
Isn't that not possible? A pair would be two not three...
<span>simplify the expression r^-3s^5t^2 over r^2st^-2
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= [s^4t^4] / [r^5]
</span>
Answer:
Step-by-step explanation:
15²+20²=225+400=625
22²=484
15²+20²≠22²
it is not a right angled triangle.
not all sides equal so not an equilateral triangle.
No two sides are equal .
it is not an isosceles triangle.
it is scalene.