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3 years ago

NEED HELP ASAP PLEASE Classify the quadrilateral.

Mathematics

1 answer:

balandron [24]3 years ago

4 0

kite..................

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A number decreased by 23 is 44.

xxMikexx [17]

If you add those two numbers together you get 67. 67-23=44 :)

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3 years ago

14-4x = 26 What is X Pls help.

Bad White [126]

Answer:

x = -3

Step-by-step explanation:

14 - -12 = 26

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3 years ago

Read 2 more answers

Solve the system of equations by finding the reduced row echelon form of the augmented matrix. Write the solutions for x and y i

Gwar [14]

Answer:

The solutions for the given system of equations are:

$\left \{ {{x=-5} \atop {y=12-4z}} \right.$

Step-by-step explanation:

Given the equation system:

$\left \{ {{3x+y+4z=-3} \atop {-x+y+4z=17}} \right.$

We obtain the following matrix:

$\left[\begin{array}{cccc}3&1&4&-3\\-1&1&4&17\end{array}\right]$

Step 1: Multiply the fisrt row by 1/3.

$\left[\begin{array}{cccc}1&\frac{1}{3} &\frac{4}{3}&-1\\-1&1&4&17\end{array}\right]$

Step 2: Sum the first row and the second row.

$\left[\begin{array}{cccc}1&\frac{1}{3} &\frac{4}{3}&-1\\0&\frac{4}{3} &\frac{16}{3}&16\end{array}\right]$

Step 3: Multiply the second row by 3/4.

$\left[\begin{array}{cccc}1&\frac{1}{3} &\frac{4}{3}&-1\\0&1 &4&12\end{array}\right]$

Step 4: Multiply the second row by -1/3 and sum the the first row.

$\left[\begin{array}{cccc}1&0 &0&-5\\0&1 &4&12\end{array}\right]$

The result of the reduced matrix is:

$\left \{ {{x=-5} \atop {y+4z=12}} \right.$

This is equal to:

$\left \{ {{x=-5} \atop {y=12-4z}} \right.$

These are the solutions for the system of equations in terms of z, where z can be any number.

6 0

3 years ago

Emy has 13 1/4 kilograms of sweet potatoes.She gave away 5 12 kilogramsof corn to her neighbors.how many kilograms of corn than

Ahat [919]

Answer:

2 1/4 kg

Step-by-step explanation:

4 0

1 year ago

Please help, and show me how you got the answer because i have to show for the answer thank you ❤️

snow_lady [41]

I tried my best for this I’m pretty for sure I remember doing this in school but I’m not for sure I hope this helped a little bit

6 0

3 years ago