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koban [17]
3 years ago
10

Simplify the expressions

Mathematics
1 answer:
scoray [572]3 years ago
7 0
First answer is -7(-x-3) second is -2(5x-2) third is 16(x-10) fourth is -2(-9x-40)
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2 waffles =3$

2x4=8 waffles (How many waffles Sage wants)

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(2) (4) (6) (8)

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3 years ago
What is the y-intercept in the equation y=8x+6
lisabon 2012 [21]

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2 years ago
What is the sum of the first 47 terms of the sequence? -215, -201, -187, -173, ...​
Andru [333]

Answer:

5029

Step-by-step explanation:

There is a common difference between consecutive terms, that is

d = - 201 - (- 215) = - 187 - (- 201) = - 173 - (- 187) = 14

This indicates the sequence is arithmetic with sum to n term

=  [ 2a₁ + (n - 1)d ]

where a₁ is the first term and d the common difference

Here a₁ = - 215 and d = 14 , then

=  [ (2 × - 215) + (46 × 14) ]

    = 23.5 (- 430 + 644)

   = 23.5 × 214

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3 years ago
The sign shows the cost associated with a whitewater rafting trip write an expression to determind the cost of 3 childern and 1
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