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Nataliya [291]
3 years ago
7

A pound of chocolate costs 6 dollars. Diane buys P pounds. Write an equation to represent the total cost c that Diane pays.

Mathematics
1 answer:
postnew [5]3 years ago
7 0

Answer:

C=6P

Step-by-step explanation:

Because the cost (c) depends on the pounds (p), we have to multiple the weight by 6, because it is $6 per pound.

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8x^2-10x-3

Step-by-step explanation:

(2x-3)(4x+1)

2x(4x+1)-3(4x+1)

8x^2+2x-12x-3

8x^2-10x-3

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3 years ago
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3 years ago
10 more than 2 times a number is equal to 2 times the number plus 50. What is the number?
PSYCHO15rus [73]

Answer:

y = 40 is the answer

Step-by-step explanation:

Let the number be y

10 more than 2 times a number = 10 + 2×y

equal to 2 times the number plus 50. = 2 × y + 50

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2y - 2y =50 - 10

0 = 40

the number supposes be 40 but the number is represented by 0

i think some thing is missing in your question

y supposes be 40 not 0 = 40

Hope this helps!

3 0
3 years ago
Find the squares of (y+3) ​
emmasim [6.3K]

Answer:

Since we know that

(a+b)

2

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2

+2ab+b

2

(a−b)

2

=a

2

−2ab+b

2

Now,

(i)

(x+3y)

2

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2

+2×x×3y+(3y)

2

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(ii)

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(iii)

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5a

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2

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(2a−1a)=(1a)

2

(1a)

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2

Answer

8 0
2 years ago
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