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Serjik [45]
3 years ago
5

Graph { 2x + 6y = 18 { x + y = 5

Mathematics
1 answer:
Sedbober [7]3 years ago
5 0
(3,2).......................

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The answer is two my g

3 0
3 years ago
Read 2 more answers
An insured's roof cost $4,000 when installed 5 years ago. It has been damaged by hail and must be replaced. The new roof will co
hoa [83]

Answer:

ACV=$4,500

Step-by-step explanation:

We have that the actual cash value (ACV) is defined as:

ACV=\dfrac{R\times(E-C)}{E}

Where:

ACV = actual cash value

R = replacement cost or purchase price of the item

E = expected life of the item

C = current life of the item

Then we have R=$6,000, C=5years, and to find the expected life of the item we can use the depreciating of the roof, then if the roof is depreciating $200 each year we just need to divide $4,000 by $200 to find the expected life of the roof:

\dfrac{4,000}{200}=20

Then the espected life of the roof is 20 years, with this result we have all the data, then:

ACV=\dfrac{\$6,000\times (20-5)}{20}=\dfrac{\$6,000\times (15)}{20}=\dfrac{\$90,000}{20}=\$4,500

Then the ACV is $4,500

5 0
3 years ago
Can someone please help me?
Katyanochek1 [597]
The matrix represents the system:

-3x+5y=15

2x+3y=-10, which is choice c. 


We can see it more clearly from the way we multiply matrices, as follows:

\[
  \left[ {\begin{array}{cc}
   -3 & 5 \\
    \ 2  & 3 \\
  \end{array} } \right]
\] \cdot  \[
  \left[ {\begin{array}{c}
   x \\
    y \\
  \end{array} } \right]
\]= \left[ {\begin{array}{c}
   -3\cdot x+5\cdot y \\
    2\cdot x+3\cdot y \\
  \end{array} } \right]
\]= \[ \left[ {\begin{array}{c} 15 \\ -10 \\ \end{array} } \right] \]

Answer: C
7 0
3 years ago
Find the greatest and least number from 5,0,8,9 and 7​
Dvinal [7]

<u>Answer:</u>

  • Greatest number: 98750
  • Least number: 5789

<u>Explanation:</u>

<em>To find the greatest number with the following values, we must arrange the numbers in descending form. </em>

<em>=> We can clearly tell that the numbers in descending form is 9 > 8 > 7 > 5 > 0</em>

<u>Hence, the greatest number with the following numbers (5,0,8,9, and 7) will be 98750.</u>

<h3>__________________________________________________</h3>

<em>To find the least number with the following values, we must arrange the numbers in ascending form.</em>

<em>=> We can clearly tell that the numbers in ascending form is 0 < 5 < 7 < 8 < 9</em>

<u>Hence, the least number with the following numbers (5,0,8,9, and 7) will be 5789</u>

6 0
2 years ago
In geometry a train metal tracks and Wooden ties would be Parrell, Skew, perpendicular or none??
Nadusha1986 [10]

Answer: They would be Parrellel


Step-by-step explanation:


7 0
3 years ago
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