Please provide a detailed, step-by-step explanation on how to solve this problem.

1 answer:

4 0

There's a relatively easy way to solve problems of this nature. You determine the contribution made if the only contributor is the one that contributes the least.

A chicken has the least number of feet, so 24 chickens will contribute 48 feet.

Now, you consider the change in contribution made by substituting a larger contributor. Each pig that replaces a chicken will add 2 feet to the total.

Consider how many feet need to be added, and thus how many larger contributors are needed. 80 -48 = 32 feet need to be added, so 32/2 = 16 of the animals need to be pigs.

There are 16 pigs and 8 chickens.

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The difference between two numbers is 9. The first number plus twice the other number is 27. Find the two numbers.

Ad libitum [116K]

X - y = 9
x + 2y = 27
You can subtract the top equation from the bottom
3y = 18
y = 6
x = 15
The two numbers are 15 and 6

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3 years ago

I GIVE BRAINLIEST FOR EXPLANATION AND CORRECT ANSWER EXTRA POINTS 3

sveticcg [70]

Answer:

$x=8$

Step-by-step explanation:

The best way to go about this is to use a trig identity. You have the unknown opposite the angle and the hypotenuse, so its best to use the sine identity: $sin(x)=\frac{O}{H}$ , where O is the opposite side, and H is the hypotenuse.