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Dvinal [7]
1 year ago
13

If P is between L and A, PL = 6x + 24, PA = 12x - 6 and LA = 30x - 18, then x = ______ and LA = ___&&

Mathematics
1 answer:
levacccp [35]1 year ago
7 0

To solve this problem, we have to use the definition of segment addition.

LA=PL+PA

Then, we replace the given expressions

30x-18=6x+24+12x-6

Now, we solve for <em>x</em>.

\begin{gathered} 30x-6x-12x=24-6+18 \\ 12x=36 \\ x=\frac{36}{12} \\ x=3 \end{gathered}<h2>Hence, x = 3.</h2>

Let's find LA:

30x-18=30\cdot3-18=90-18=72<h2>Hence, LA measures 72 units.</h2>
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The denarius was a unit of currency in ancient rome. Suppose it costs the roman government 101010 denarii per day to support 444
givi [52]

<u>the correct question is</u>

The denarius was a unit of currency in ancient rome. Suppose it costs the roman government 10 denarii per day to support 4 legionaries and 4 archers. It only costs 5 denarii per day to support 2 legionaries and 2 archers. Use a system of linear equations in two variables. Can we solve for a unique cost for each soldier?

Let

x-------> the cost to support a legionary per day

y-------> the cost to support an archer per day

we know that

4x+4y=10 ---------> equation 1

2x+2y=5 ---------> equation 2

If you multiply equation 1 by 2

2*(2x+2y)=2*5-----------> 4x+4y=10

so

equation 1 and equation 2 are the same

The system has infinite solutions-------> Is a consistent dependent system

therefore

<u>the answer is</u>

We cannot solve for a unique cost for each soldier, because there are infinite solutions.

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3 years ago
When looking at the median of a data set, what information do you get when looking at the median?
cestrela7 [59]
You get the middle of all the data while looking at the median of a data set!

I hope this helped! Mark me Brainliest! :) -Raven❤️
7 0
3 years ago
What is the distance between the points (2, -7) and (-3, -2) on the coordinate plane?
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4 0
3 years ago
What is 6 1/4 x 3 3/5
aliya0001 [1]

Answer:

Step-by-step explanation:

Change mixed fraction to improper fraction. Then reduce to lowest term if possible.

6 1/4 x 3 3/5 = 25/4 * 18/5    = 25* 18 /4*5

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                    = 5* 9 /2        { giving by 2nd tables}

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8 0
3 years ago
Consider the linear and quadratic functions appearing in the figure below.
Bumek [7]

Answer:

step 2:do subtraction in the parentheses  

Step 3: distribute

Step 4: add

Step-by-step explanation:

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3 years ago
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