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suter [353]
3 years ago
7

Give at least one way that terminal-digit and middle-digit numbering are alike and one way that they are different.

Mathematics
1 answer:
belka [17]3 years ago
4 0

Terminal digit filing is a filing system that works by means of the last two numbers on files to consolidate them. While middle digit filling uses a tripartite number, using the first part of the number for the second sort, middle part for the initial sort, and the third portion for the final sort. One way they are similar is that the two evade working with large numbers and overpowers the difficulties of crowding at the end of the storage.

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Solve the system of equations by any method.<br><br><br><br> 5x+9y =16<br> x+2y =4
Alisiya [41]

Answer:

The system of equations has one solution at (-4, 4).

Step-by-step explanation:

We are given the system of equations:

\displaystyle\left \{ {{5x+9y=16} \atop {x+2y=4}} \right.

We can use elimination to solve this system. We need to multiply the second equation by -5 so we can cancel out our x-terms.

-5\times(x+2y=4) \rightarrow -5x - 10y = -20

Therefore, our system now becomes:

\displaystyle\left \{ {{5x+9y=16} \atop {-5x-10y=-20}} \right.

Now, we can add these two equations together and solve for y.

\displaystyle(5x + 9y) + (-5x - 10y) = 0 - y\\\\16 + (-20) = -4\\\\-y = -4\\\\\frac{-y}{-1}=\frac{-4}{-1}\\\\y = 4

Now, we can substitute our value for y into one of the equations and solve for x.

x+2(4)=4\\\\x + 8 = 4\\\\x = -4

Therefore, our final solution is (-4, 4).

6 0
3 years ago
90% of the seniors at Richmond high school will attend the school prom. If 270 seniors attend
ELEN [110]

Answer:

243

Step-by-step explanation:

make 90% into a decimal

0.9

multiply 270 by 0.9 to get the answer of 243

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5(x-6)+2=7x-10 using the distributive property
Lady_Fox [76]

x equals negative 9 i think


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ikadub [295]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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