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mel-nik [20]
3 years ago
8

What value of x makes the equation true? 16 + (18 + 10) = (x + 18) +1 x =

Mathematics
2 answers:
pav-90 [236]3 years ago
8 0

Answer:

x = 25

Step-by-step explanation:

16 + (18 + 10)=44

25+19=44

ExtremeBDS [4]3 years ago
4 0

\huge\text{Hey there!}

\textsf{16 + (18 + 10) = (x + 18) + 1}

\textsf{16 + 18 + 10 = x + 18 + 1}

\textsf{16 + 18 + 10}

\textsf{34 + 10}

\boxed{\textsf{= \bf 44}}

\textsf{44 = x + 18 + 1}

\textsf{18 + 1}

\boxed{\textsf{= \bf 19}}

\textsf{44 = x + 19}

\textsf{x + 19 = 44}

\text{SUBTRACT 19 to BOTH SIDES}

\textsf{x + 19 - 19 = 44 - 19}

\text{CANCEL out: \textsf{19 - 19} because that gives you \textsf{0}}

\text{KEEP: \textsf{44 - 19} because that helps us solve for the \textsf{x-value}}

\textsf{x = 44 - 19}

\textsf{44 - 19 = \boxed{\textsf{\bf 25}}}

\boxed{\boxed{\large\textsf{Answer: \huge \bf x = 25}}}\huge\checkmark

\large\text{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

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Step-by-step explanation:

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2 years ago
???? I’m very confused
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3 years ago
suppose a farmer encloses a rectangular region of a land next to a river. fencing will be used on 3 sieds, and none is needed al
nexus9112 [7]

Answer:

Dimensions :

x (the longer side, only one side with fence )   =  90  ft

y ( the shorter side two sides with fence )        =  45  ft

Total fence used   45 * 2  +  90    =  180 ft

A(max)  =  

Step-by-step explanation: If a farmer has 180 ft of fencing to encloses a rectangular area with fence in three sides and the river on one side, the farmer surely wants to have a maximum enclosed area.

Lets call "x" one the longer side  ( only one of the longer side of the rectangle will have fence, the other will be along the river and won´t need fence. "y" will be the shorter side

Then we have:

P = perimeter  =  180  =  2y  +  x        ⇒   y  =  ( 180 - x )  / 2        (1)

And   A (r)   =  x * y

A(x)   =  x  *  ( 180 - x ) /2       ⇒   A(x)   = (180/2) *x   -  x² / 2

Taking derivatives on both sides of the equation :

A´(x)   =  90   -  x    

Then if    A´(x)   =  0   ⇒        90   -  x    =  0     ⇒   x  =  90 ft

and from :       y  =  ( 180 - x )  / 2     ⇒     y  =  90/2

y  =  45  ft

And

A(max)  =  90 * 45    =  4050  ft²

4 0
3 years ago
The cost (in dollars) of a custom made sweatshirt is represented by 3.5n +29.99, where n is the number of different colors in th
juin [17]

Answer:

52.5n+449.85

Step-by-step explanation:

The cost is given for <em>1 sweatshirt</em>. To find the cost of 15 sweatshirts, we need to multiply the expression by 15. Let's do this:

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This is the expression that represents the cost of 15 sweatshirts.

8 0
3 years ago
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