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lina2011 [118]
3 years ago
6

... the product of 86 and the depth of the river ...  into variable expression

Mathematics
2 answers:
Mademuasel [1]3 years ago
7 0

A variable expression is an expression that contains variables or letters in their simplest form. If we assign real values to the variables, then we can evaluate the variable expression for that real value.

Since we do not know the depth of the river, we assign a variable to it.

We let the variable d, represent the depth of the river.

Then, the product of 86 and the depth of the river=86\times d=86d

mash [69]3 years ago
6 0
  product means multiplication either
86n
or
 
86*n which are the same thing
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PLEASE HELP WILL MARK BRAINLIEST<br> -SEE ATTACHMENT-
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(x - 5) ^{5}  =  {x}^{5}  - 25 {x}^{4} + 250 {x}^{3}   - 1250 {x}^{2} + 3125x- 3125

EXPLANATION

From the Pascal's triangle,

The coefficients are :

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Because of the negative sign, the expansion will alternate sign.

(x - y) ^{5}  =  {x}^{5}  - 5 {x}^{4} y + 10 {x}^{3}  {y}^{2}  - 10 {x}^{2}  {y}^{3}  + 5x {y}^{4}  -  {y}^{5}

We now put y=5 into the expansion to get,

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Step-by-step explanation:

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