Find the value of f(3) for the function. f(a)=5(a+4)- 9
1 answer:
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Answer:
Step-by-step explanation:
Given:
An isosceles triangle ABC with AB = AC.
∠A =
∠B =
∠C =
We know that, for an isosceles triangle, the angles opposite equal sides are also equal to each other.
Therefore, ∠B = ∠C
⇒
⇒
∴ ∠C = °
Now, the sum of all the interior angles of a triangle is always 180°.
Therefore, the value of 'y' is 5.
Answer:
He needs 31.25 bales of hay to feed 15 horses for two weeks
Step-by-step explanation:
This question can be solved using a rule of three.
25 bales of hay feed 12 horses. How many feed 15 horses?
12 horses - 25 bales of hay
15 horses - x bales of hay
He needs 31.25 bales of hay to feed 15 horses for two weeks