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MA_775_DIABLO [31]
2 years ago
10

What is 18,307 in expanded form?

Mathematics
1 answer:
olga_2 [115]2 years ago
4 0

Answer:

10000 + 8000 + 300 + 7

Step-by-step explanation:

18,307

= 10000 + 8000 + 300 + 7

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3 years ago
What is the value of y in the solution to the system of equations? 1/3x + 1/4y = 1 2x-3y=-30​
Zepler [3.9K]

Answer:

<h2>y = 8</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}\dfrac{1}{3}x+\dfrac{1}{4}y=1&\text{multiply both sides by 12}\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}12\!\!\!\!\!\diagup^4\cdot\dfrac{1}{3\!\!\!\!\diagup_1}x+12\!\!\!\!\!\diagup^3\cdot\dfrac{1}{4\!\!\!\!\diagup_1}y=12\cdot1\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}4x+3y=12\\2x-3y=-30&\text{multiply both sides by (-2)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}4x+3y=12\\-4x+6y=60\end{array}\right}\qquad\text{add both sides of the equations}

.\qquad9y=72\qquad\text{divide both sides by 9}\\.\qquad y=8

6 0
3 years ago
Identify the expression as a numerical expression or a variable expression. For a variable expression, name the variable.
MatroZZZ [7]
The best and most correct answer among the choices provided by the first question is the first choice or letter A.

The expression above is an example of a numerical expression.


I hope my answer has come to your help. God bless and have a nice day ahead!
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2 years ago
-8 + x - 2 - 5x<br> Plssss
Radda [10]

Answer:

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Step-by-step explanation:

This is the answer if you are simplifying the expression.

7 0
3 years ago
Read 2 more answers
Help me with the questions above please
Vesnalui [34]

Answer:

<h3>x=-7</h3>
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4. 2

<h3>x=21</h3>
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4. 14

<h3>x=0</h3>
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  3. 5
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2 years ago
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