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2 years ago

Is 76 - -9,232,260 positive or negative?

Mathematics

2 answers:

Kitty [74]2 years ago

6 0

Answer:

Positive

Step-by-step explanation:

76 - -9,232,260 = 9232336

alisha [4.7K]2 years ago

6 0

Answer:

positive

Step-by-step explanation:

- - = +

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Enter product in simplest form<br>1/4×7 4/5

grigory [225]

Answer:

i believe the answer is 39/20 which could also be 13/7

Step-by-step explanation:

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3 years ago

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A storage tank has A circumference Of 200 meters what is the area of the base of the tank

lorasvet [3.4K]

Circumference = 2 pi r

2 pi r = 200

r = 100 / pi

Area of base = pi r r

Area of base = 100*100 / pi

Area of base = 3183.1 sq. m.

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3 years ago

[10] In the following given system, determine a matrix A and vector b so that the system can be represented as a matrix equation

irina1246 [14]

Answer:

$y=-\frac{158}{579}$

Step-by-step explanation:

To find the matrix A, took all the numeric coefficient of the variables, the first column is for x, the second column for y, the third column for z and the last column for w:

$A=\left[\begin{array}{cccc}1&1&2&2\\-7&-3&5&-8\\4&1&1&1\\3&7&-1&1\end{array}\right]$

And the vector B is formed with the solution of each equation of the system: $b=\left[\begin{array}{c}3\\-3\\6\\1\end{array}\right]$

To apply the Cramer's rule, take the matrix A and replace the column assigned to the variable that you need to solve with the vector b, in this case, that would be the second column. This new matrix is going to be called $A_{2}$ .

$A_{2}=\left[\begin{array}{cccc}1&3&2&2\\-7&-3&5&-8\\4&6&1&1\\3&1&-1&1\end{array}\right]$

The value of y using Cramer's rule is:

$y=\frac{det(A_{2}) }{det(A)}$

Find the value of the determinant of each matrix, and divide:

$y==\frac{\left|\begin{array}{cccc}1&3&2&2\\-7&-3&5&-8\\4&6&1&1\\3&1&-1&1\end{array}\right|}{\left|\begin{array}{cccc}1&1&2&2\\-7&-3&5&-8\\4&1&1&1\\3&7&-1&1\end{array}\right|} =\frac{158}{-579}$

$y=-\frac{158}{579}$

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3 years ago

2 is more than a number v

Snowcat [4.5K]

2 is more than a number v

2 > v is your equality

this means that <em>v</em> can be the number 1 or less

hope this helps

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3 years ago

Help ASAP!!!<br> Please and thank you so much

PilotLPTM [1.2K]

Rectangle on the left = 3 × 4 = 12

Rectangle in the middle = 3 × 2 = 6

Rectangle on the right = 4 × 3 = 12

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Answer = 30

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3 years ago

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