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2 years ago

-4x -2 + 3x - 10 How many terms are there? SIMPLIFY. What is the coefficient of x?

Mathematics

1 answer:

Maru [420]2 years ago

6 0

Answer:

Number of coefficients of x: 2 coefficients (-4 and 3)

Number of terms: They're 4 terms. (-4x, -2, + 3x, and -10)

Simplified: - x - 12

Step-by-step explanation:

1) Subtract the numbers.

-4x - 12 + 3x

2) Combine like terms.

- x - 12

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Practice

patriot [66]

Answer:

$(y,z)=(3,5)\\\\ |(y,z)|=\sqrt{34}$

Step-by-step explanation:

Given y(3, 1), z(0, 4)

-The ordered pair is written by summing their corresponding coordanates as below:

$(y,z)=y(3,1)+z(0,4)\\\\=(3+0,1+4)\\\\=(3,5)$

-We then calculate the magnitude of this ordered pair as following:

$|y,z|=\sqrt{y^2+z^2}\\\\=\sqrt{3^2+5^2}\\\\=\sqrt{34}\\\\\therefore |(y,z)|=\sqrt{34}$

Hence, the magnitude of the ordered pair is $\sqrt{34}$

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3 years ago

6. If element Q has 11 protons, its atomic<br> is 11.

Vladimir79 [104]

Answer: If element Q has 11 protons, its atomic <u>number</u> is 11.

Step-by-step explanation:

The atomic number of a chemical element is the total number of protons that each atom of that element has.

In other words: it indicates the amount of protons that is present in the nucleus of an atom.

In this sense, the periodic table of the elements arranges the chemical elements in the form of a table, ordered by their atomic number (number of protons), by their configuration of electrons and their chemical properties.

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