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never [62]
3 years ago
7

Interpreting Algebraic Expressions 11+9k=6n The expressions has 2 terms. True or false?

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
3 0
I believe the expression is true
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How many oz of walnuts which cost $6/oz must be added to 2 oz of peanuts which cost $12/oz to make mixed nuts which cost $8/oz
Burka [1]

Answer:  4 oz

<u>Step-by-step explanation:</u>

Create a table.  Multiply across and add down (the middle column cannot be added).  The Mixture line creates the equation that must be solved.

Let x represent the unknown quantity of walnuts.

\begin{array}{c|c|c||c}&\underline{Quantity}&\underline{Cost}&\underline{Qty \times Cost}\\Walnuts&x&6&6x\\\underline{Peanuts}&\underline{\qquad 2\qquad}&\underline{\qquad 12\qquad}&\underline{\qquad 24\qquad }\\Mixture&x+2&8&6x+24\end{array}

.\qquad \qquad \qquad \qquad (x+2)(8) = 6x+24\\.\qquad \qquad \qquad \qquad 8x + 16 = 6x + 24\longrightarrow \text{distributed}\\.\qquad \qquad \qquad \qquad2x+16=24\qquad \longrightarrow \text{subtracted 6x}\\.\qquad \qquad \qquad \qquad 2x=8\qquad \qquad \ \longrightarrow \text{subtracted 16}\\.\qquad \qquad \qquad \qquad x=4\qquad \qquad \quad \longrightarrow \text{divided by 2}

4 0
3 years ago
No multiple choice just solve
marta [7]
Y=ab^x
logab=x

log7(1/343)=-3

y=7(1/343)^-3
4 0
3 years ago
Use the graph to complete the statement. O is the origin.<br><br> T&lt;2,1&gt; ο r(90°,O) : (4,-1)
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Answer:

(3,5)

Step-by-step explanation:

5 0
2 years ago
Stephanie and alejandro
Elena-2011 [213]

Answer:

Stephanie saved

Step-by-step explanation:

x+4x=15600

5x=15600

divide by 5 on both sides

you get 3120

since stephanie got 4 times more, you multiply 3120*4 and get 12480

therefore, Alejandro saved 3120

: )

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Answer:

wfcfzgcfxfdsdfgfd

Step-by-step explanation:

gfgboy

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3 years ago
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