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Julli [10]
3 years ago
7

Someone help "explain how you would use addition to find the product of -2 and 5 "

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
3 0
Use a number line, it helps a lot
Troyanec [42]3 years ago
3 0
You need to add like the normal form and then add the symbol of the bigger
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If a+b+c=8 and x+y=7 what is -8y-2c-2b-8x-2a
sergey [27]

Answer:

-40

Step-by-step explanation:

Try rearranging and factoring -8y-2c-2b-8x-2a:

This is equal to -8(x + y) -2(a + b + c).

Since x + y = 7, we have:

                            -8(7) -2(a + b + c)

and since a + b + c = 8, we end up with:

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                               -56 - 16    = -40

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3 years ago
A cookie recipe calls for 3 cups of sugar and yields 24 cookies how much sugar will be needed to make 3 dozen cookies
Sindrei [870]

Answer:4.5 cups of sugar

Step-by-step explanation:

Okay so 24 cookies is 2 dozen

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3 dozen is equal to 36 cookies

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