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2 years ago

Helpppppp meeeee plzzzzzzzzzz

Mathematics

1 answer:

djyliett [7]2 years ago

8 0

Answer:

they got -21 when they were supposted to get +21

and they also got +6x when they were supposted to get -6x

Step-by-step explanation:

that's because -3 and 2x are multiplied together and when you are multiplying negative and positive number you need to get negative result.

when you are multiplying negative with negative number, you will get positive number.

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HACTEHA [7]

Answer:

Step-by-step explanation:

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3 years ago

BRAINLIEST IF CORRECT!!!

LenKa [72]

Answer:

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Step-by-step explanation:

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2 years ago

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Let n be the number of couples dancing in a competition. If there are 5 organizers, which expression represents the total number

Korvikt [17]

2n+5...a couple is two people so you need to multiply the number of couples, n, by 2 to get the total number of dancers. Then add the total number of organizers.

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3 years ago

If f(x) = -2x + 7, find f(8)

anastassius [24]

Answer:

-9

Step-by-step explanation:

You have to plug 8 into the formula for x. f(8) = -2(8)+7 = -16+7 = -9

5 0

3 years ago

Roland says the number of cups of iced tea t depends on the number of tea bags b. He says the equation represents the relationsh

nika2105 [10]

Answer:

I think Roland is correct in his statement.

Step-by-step explanation:

Roland says the number of cups of iced tea t depends on the number of tea bags b and he says the equation represents the relationship between the number of tea bags b and the cups of iced tea $t = \frac{b}{1.5}$ .

I think Roland is correct in his statement and this is because here t is a function of b i.e. t = f(b) and hence, the number of cups of iced tea t depends on the number of tea bags b. (Answer)

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3 years ago