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2 years ago

5+4(-20) Be sure to consider the order of operations!!

Mathematics

2 answers:

alexgriva [62]2 years ago

6 0

Answer:

5+4(-20)

Step-by-step explanation:

So you do the one's in parentheses first, which is -20, and then you do 5+4 which is 9

White raven [17]2 years ago

4 0

Answer:

$5 + 4( - 20) \\ 5 + ( - 80) \\ 5 - 80 \\ = - 75$

I hope I helped you^_^

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3 years ago

A dog weighs two pounds less than three times the weight of a cat. The dog also weights twenty-two more pounds than the cat. Wri

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Weight of dog: 34 pounds,

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Step-by-step explanation:

Let d represent weight of dog and c represent weight of cat.

We have been given that a dog weighs two pounds less than three times the weight of a cat.

3 times weight of cat: $3c$

We can represent the given information in an equation as:

$d=3c-2...(1)$

We are also told that the dog also weights twenty-two more pounds than the cat. We can represent the given information in an equation as:

$d=c+22...(2)$

Equate both equations:

$3c-2=c+22$

$3c-c-2=c-c+22$

$2c-2=22$

$2c-2+2=22+2$

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$\frac{2c}{2}=\frac{24}{2}$

$c=12$

Therefore, the weight of cat is 12 pounds.

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$d=c+22$

$d=12+22$

$d=34$

Therefore, the weight of dog is 34 pounds.

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3 years ago