3 years ago

Find the area of the polygon

Mathematics

1 answer:

Evgesh-ka [11]3 years ago

7 0

Answer:

Step-by-step explanation:

The area of a parallelogram is just b*h

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Solve the system using either Gaussian elimination with back-substitution or Gauss-Jordan elimination. (If there is no solution,

Gnom [1K]

Answer:

x1=-4/5, x2=18/5 and x3=7/5

Step-by-step explanation:

$\left[\begin{array}{ccc|c}1&0&-3&-5\\3&1&2&4\\2&2&1&7\end{array}\right]$

you can do linear combination between the rows:

2nd row=R2-3R1 and 3th row=R3-2R1

$\left[\begin{array}{ccc|c}1&0&-3&-5\\0&1&11&19\\0&2&7&17\end{array}\right]$

3th row=(3R2-R3)/15

$\left[\begin{array}{ccc|c}1&0&-3&-5\\0&1&11&19\\0&0&1&\frac{7}{5} \end{array}\right]$

1st row=R1+3R3 and R2-11R3

$\left[\begin{array}{ccc|c}1&0&0&-4/5 \\0&1&0&18/5 \\0&0&1&7/5\end{array}\right]$

x1=-4/5, x2=18/5 and x3=7/5

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3 years ago

Enter the sum of numbers as a product of their GCF.75 + 90

Semmy [17]

The gcf of the numbers are 15

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3 years ago

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JulsSmile [24]

Answer:

Step-by-step explanation:

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2 years ago

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The sum of two consecutive integers is 125.find the two integers

rusak2 [61]

Answer:

62 and 63

Step-by-step explanation:

125/2= 62.5 (Middle integer or mean of the 2 integers)

That means that the integers are 62 and 63

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Your answer is right
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