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Alexxandr [17]
3 years ago
13

A yard includes a border path of a fixed width around a lawn. The total area of the yard is represented by the expression

Mathematics
2 answers:
Inessa05 [86]3 years ago
7 0
54+(12x+18x)+4<span>x
</span> 54+12x+18x+4<span>x^2

</span>54+30x+4x
which would be the area of the border i think i am not sure i did this right
<span>
</span>
Alex_Xolod [135]3 years ago
4 0

Answer with explanation:

It is given that , a yard includes a border path of a fixed width around a lawn.

Total Area of the Yard =(6+2 x)×(9+2 x)

As, width is fixed.

And, Area= Length × Breadth

                 =[2 x + 6]×[(2 x +3) +6]

   or

=[(2 x +3) +6]× [2 x +6]

So, either ,Length = 2 x +9 or,2 x +6

or, Breadth = 2 x + 6 or 2 x +9

So,Number 6, represent : the width of the border from lawn to yard.

Option B: the width of the border.

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In a certain​ chemical, the ratio of zinc to copper is 3 to 17. A jar of the chemical contains 799 grams of copper. How many gra
dezoksy [38]

Answer:

let's see what to do buddy...

Step-by-step explanation:

\frac{zinc}{copper} =  \frac{3}{17} \\  \\  \frac{zinc}{799} =  \frac{3}{17}

Multiply the sides of the equation by 799

zinc =  \frac{3}{17} \times 799 \\ \\ zinc =  \frac{3}{17} \times 17 \times 47 \\ \\  zinc = 3 \times 47 = 141

So A jar of the chemical contains 141 grams of <em><u>zinc</u></em>.

And we're done.

Thanks for watching buddy good luck.

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8 0
4 years ago
6) find the volume of the cone
Molodets [167]

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I'm pretty sure it's C/80.

Step-by-step explanation:

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5 0
3 years ago
Solve for x. Thank you.
Bas_tet [7]

Answer:

D) 50/3

Step-by-step explanation:

6/10 = 10/(6+x-6)

6/10 = 10/x

6x = 100

 x = 100/6

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4 0
3 years ago
Simplify the expression 5^3 x 5^-5
kotykmax [81]

Answer:

\frac{1}{5^2} --- 1 over 5 squared

Step-by-step explanation:

When multiplying terms with a common base, you just add the exponents:

x^a\times x^b=x^{a+ b}

That's true even when you don't have any exponents.

5\times5=5^1\times5^1=5^{1+1}=5^2=25

\rightarrow5^3\times5^{-5}\\\rightarrow5^{3-5}\\\rightarrow5^{-2}

A negative exponent isn't fully simplified, so there's another rule to use:

x^{-y}=\frac{1}{x^y}

That is '1 over x to the y' if it's too small to read.

\rightarrow5^{-2}=\frac{1}{5^2}

4 0
3 years ago
Read 2 more answers
We struggling at the moment
Lisa [10]

Answer:

hi

Step-by-step explanation:

area of square is a²

14²=196 m

haveca nice day

5 0
3 years ago
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