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MArishka [77]
2 years ago
10

Simplify this expression: 13 + (–12) – (–5) = ? A. 6 B. –6 C. 30 D. –30

Mathematics
1 answer:
abruzzese [7]2 years ago
5 0
Hi, the answer is A, 6. When you have 2 negative signs like: 1-(-5), it turns into 1+(+5). When you have to add a negative, like: 13+(-12), it turns into 13-(12)

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Elenna [48]

Answer

In decimal form it is 1.25 and in fraction form it 1/4

Step-by-step explanation:

There might be and there are other ways but the way I did it is I  converted the fractions to decimals. 1 3/4= 1.75, 1 1/2= 1.5, and 4 1/2 equals 4.5. So I added the time he practiced on Monday and Tuesday and subtracted it from the final hour of the whole entire week and the answer is 1.25 or 1/4

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Peter wants to purchase pizza pies and breadsticks for a party. The cashier tells him that pizza pies are $8 each and breadstick
Dmitry [639]
The answer is A.) 5x+8y≤120

To get this answer the first thing I did was notice what it says the x and y variables stand for. The "x variable represents the number of breadsticks purchased" and "the y variable represents the number of pizza pies purchased". It also says that each breadstick is $5 and each pizza pie is $8. Accordingly, we need to match our variables with what we're buying. So, the y be with 8 and the x be with 5.

So, our expression will have a 5x and an 8y in it.

Now if we notice, it says he can spend no more than $120, so that means he can spend $120 or less. The less than or equal to sign is ≤.

Now we can find our answer. The only answer with 5x and 8y with a ≤120 is answer choice A

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iVinArrow [24]

Answer:

the answer is " the slope of the function A is less then the slop of the function B

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Answer:

y = -7

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Hope that helps. Tried to explain the best I could :)

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