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3 years ago

Graph the linear equation.find three points that solve the equation, then plot on the graph x-y=1

Mathematics

1 answer:

Anarel [89]3 years ago

4 0

Answer: (0,-1) , (1,0), (2,1) hope this can help you.

Step-by-step explanation:

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Verdich [7]

Answer: THe Second answer is the correct one

Step-by-step explanation:

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2 years ago

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Tan^2x+sec^2x=1 for all values of x. <br> true or false?

amid [387]

This is not true.

$\tan^2x+\sec^2x=\dfrac{\sin^2x}{\cos^2x}+\dfrac1{\cos^2x}=\dfrac{1-\cos^2x+1}{\cos^2x}=2\sec^2x-1$

$2\sec^2x-1=1\implies\sec^2x=1\implies\sec x=\pm1\implies x=n\pi$

where is $n$ is any integer. So suppose we pick some value of $x$ other than these, say $x=\dfrac\pi4$ . Then

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3 years ago

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What is the answer for3+8x=4

Schach [20]

Answer: x=1/8

Step-by-step explanation:

Subtract 3 from both sides

3+ 8x=4

8x=1

Divide by 8 on both sides

x=1/8

Hope this helped! :)

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3 years ago

In which figure is DE BC

stepan [7]

Answer:

Given: DB = 7.2 cm, AE = 1.8 cm and EC = 5.4 cm and DE || BC.

[by basic proportionality theorem which states that if a line is drawn parallel to one side of a triangle the other two sides in distinct points, then the other two sides are divided in the same.

7.2

5.4

1.8

AD=

5.4

7.2×1.8

AD=

⟹AD=2.4cm

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3 years ago

The vertex form of an equation is y = 3(x + 2)2 + 1. What is the standard form of the

Zigmanuir [339]

Answer:

y=3x^2+12x+13

a=3

b=12

c=13

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3 years ago