An oatmeal recipe calls for 4 cups of oats for every 3 cups of milk. If you want to use 9 cups of oats, how much milk would you
1 answer:
Answer:
sups of milk
Step-by-step explanation:
It is given that;
4 : 3 (this represents the proportion of cups of oats to cups of milk)
Now one has to find how many cups of milk will correspond with 9 cups of oats.
First, convert the given ratio to a unit ratio,
4 : 3
/4 /4
1 :
Now multiply the entire ratio by 9 to find out how many cups of milk corresponds to 9 cups of oats;
9 :
Simplify;
9 :
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Answer:
Step-by-step explanation:
A = (-3,0) , B = (1,3) , and C = (1,-3)
We're going to use the distance formula to find the length of the sides:
we can use the cosine law to find the angle:
it is to be noted that:
the angle CAB is opposite to the BC.
the angle ABC is opposite to the AC.
the angle BCA is opposite to the AB.
to find the CAB, we'll use:
Although we can use the same cosine law to find the other angles. but we can use sine law now too since we have one angle!
To find the angle ABC
finally, we've seen that the triangle has two equal sides, AB = CA, this is an isosceles triangle. hence the angles ABC and BCA would also be the same.
this can also be checked using the fact the sum of all angles inside a triangle is 180