3 years ago

Please help me answer these!!

Mathematics

1 answer:

Montano1993 [528]3 years ago

8 0

Easy just ask me I know everything

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Which expression represents the product of 17 and an unknown number?

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So, A. 17 * n is the answer. 17n is also appropriate.

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Add the following a2b - ab2 + 8ab and 2a2b - ab2

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3(5y - 4) + 31 - 3y) = 3(2y - 3) How to solve it

kumpel [21]

After solving $3(5y - 4) + 31 - 3y = 3(2y - 3)$ the value of y is $y=-\frac{14}{3}\,\,or\,\,y= -4.66$

Step-by-step explanation:

We need to solve the expression:

$3(5y - 4) + 31 - 3y = 3(2y - 3)$

and find the value of y

Solving:

$3(5y - 4) + 31 - 3y = 3(2y - 3)\\15y-12+31-3y=6y-9\\Combining\,\,like\,\,terms:\\15y-3y-6y=-9+12-31\\15y-9y=12-40\\6y=-28\\y=-\frac{28}{6}\\y=-\frac{14}{3}\\or\,\,y= -4.66$

So, after solving $3(5y - 4) + 31 - 3y = 3(2y - 3)$ the value of y is $y=-\frac{14}{3}\,\,or\,\,y= -4.66$

Keywords: Solving the expressions

Learn more about Solving the expressions at:

#learnwithBrainly

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4 years ago

Using the function f(x) = 2x + 7 find the following: (show your work) f(2) f(7)

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replace the x with 7: f(7)=2*7+7=14+7=21

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3 years ago

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