State the number of solutions for Matrix B. a. No Solution b. One Solution c. Infinitely Many Solutions

Answers

Answer 1

Answer:

Answer:

C. Infinitely Many Solutions

Explanation:

No solution case : This is the case when all given variables are not equal to any constant, for example: there is one row of zeros in matrix e.g 0=3. matrix B don't have any zero row. So, Not True.

One Solution case: This is the case when all variables are independent variables like if they are equal to some constant. e.g x=1,y=2,z=4 , Matrix B have more than one variable in first row due to which it made equation look like x+y=-5. so matrix B can't have only one solution. So, Not True.

Infinitely Many Solutions case: when there is one or more variables which is not equal to any constant and acting as linearly dependent variable, then that matrix have infinite solutions. Matrix B have that variable which is linearly dependent as show in the attachment solution. So, True.

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Answers

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Which element has the greatest electronegativity?a. Chlorine
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Answers

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Within a period, an increase in atomic number is usually accompanied byA. a decrease in atomic radius and an increase in electronegativity.
B. an increase in atomic radius and an increase in electronegativity.
C. a decrease in atomic radius and a decrease in electronegativity.
D. an increase in atomic radius and a decrease in electronegativity.
E. None of these answer choices is correct.

Answers

There are various kind of elements that are present in periodic table. Some elements are harmful, some are radioactive, some are noble gases. Therefore, the correct option is option A.

What is periodic table?

Periodic table is a table in which we find elements with properties like metals, non metals, metalloids and radioactive element arranges in increasing atomic number.

Periodic table help a scientist to know what are the different types of elements are present in periodic table so that they can discover the new elements that are not being discovered yet.

Within a period, an increase in atomic number is usually accompanied by a decrease in atomic radius and an increase in electronegativity.

Therefore, the correct option is option A that is a decrease in atomic radius and an increase in electronegativity.

Learn more about periodic table, here:

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The answer is a.........

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The compound that is a saturated hydrocarbon is CH3CH2OH. The answer is letter A. A saturated hydrocarbon has only one single bond between the carbon atoms. The compound that is an unsaturated hydrocarbon is CHCH. The answer is letter D.

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Answers

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Answers

I disagree. Carbon is not a group 18 element. This is incorrect because elements closer to the top of the group are less reactive than those at the bottom of the group. Group 18 elements are noble gases and carbon, a group 14 element, is a non metal.

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