Simplify each expression by combining like terms. 3n - 1 + 8n +5

Mathematics

1 answer:

Kay [80]3 years ago

3 0

Answer:

3n-1+8n+5

3n+8n-1+5

11n+4

Let me know if this helps!

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Gragh h(t) = 400 − 39t − 157e−t/4

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The 5th of 9 consecutive whole numbers whose sum is 153 is?

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We can start this problem by finding out what the lowest consecutive number's value is (x). Since consecutive numbers are numbers that are 1 apart from each other, the sum of 9 consecutive numbers would look like

x + (x+1) + (x+2) + (x+3) + (x+4) + (x+5) + (x+6) + (x+7) + (x+8)

Since we know that they equal 153,

x + (x+1) + (x+2) + (x+3) + (x+4) + (x+5) + (x+6) + (x+7) + (x+8) = 153

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Now, we need to find what the 5th consecutive number is equal to. The fifth consecutive number is (x+4), so 13 + 4 is 17, meaning that the 5th of 9 consecutive numbers that add up to 153 is 17.

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3 years ago

Read 2 more answers

What expression is equivalent to 2x+3y-x-(8+1)

Paha777 [63]

Answer:

Step-by-step explanation:

2x + 3y - x - 9

x + 3y - 9

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