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3 years ago

16)

Mathematics

1 answer:

IRISSAK [1]3 years ago

8 0

<h3>Answer: Choice D</h3>

Explanation:

The first term has its exponents add to 1+2 = 3

The second term has its exponents add to 1+1 = 2

The third term can be written as -2x^0y^0, and those exponents add to 0

The sums count down: 3, 2, 0

So standard form means we write the terms with the largest degree sums first, then second largest and so on.

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Which ordered pair is a solution of the equation

andrew11 [14]

(0,-7)
-7=11(0)+4
-7=0+4
-7 is not 4 -----not a solution

(-1,-7)
-7=11(-1)+4
-7=-11+4
-7=-7 ----solution

(1,-7)
-7=11(1)+4
-7=11+4
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(2,26)
26=11(2)+4
26=22+4
26=26 ----soltion

(-1, -7) & (2, 26) are solutions to the equation

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

if the statement "if it is snowing then it is cold outside" is assumed to be true is it reverse "if it is cold outsied then it i

Fofino [41]

No, the reverse is not always true, because it isn't always snowing outside when it's cold. However, if it's snowing outside, it must be cold as snow is, essentially, tiny bits of ice.

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4 years ago

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Find the solution of the system of equations. -7x+4y=-32 9x-2y=38

zlopas [31]

Answer:

(4,-1)

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Step-by-step explanation:

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maks197457 [2]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Trigonometry

[Right Triangles Only] Pythagorean Theorem: a² + b² = c²

a is a leg
b is another leg
c is the hypotenuse

Step-by-step explanation:

Step 1: Define

Identify variables

Leg a = a

Leg b = 12

Hypotenuse c = 20

Step 2: Solve for a

Substitute in variables [Pythagorean Theorem]: a² + 12² = 20²
Evaluate exponents: a² + 144 = 400
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