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3 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics

1 answer:

Elanso [62]3 years ago

7 0

Answer: Im pretty sure its 143 if it was degrees but yeah

Step-by-step explanation:

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Slope = 3: (6, 14)<br>Write the equation in y=mx+b form

andrew-mc [135]

Step-by-step explanation:

Equation of line in slope point form is given as:

$y - y_1 = m(x - x_1)\\\therefore \:y - 14 = 3(x - 6) \\ \therefore \: y - 14 = 3x - 18 \\ \therefore \: y = 3x - 18 + 14 \\ \therefore \: y = 3x - 4 \\ \implies \: y = mx + b$

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3 years ago

Sin^22x - 2cos2x + 2=0

zhuklara [117]

Answer:

x=πn, n∈Z

Step-by-step explanation:

if sin²2x=1-cos²2x, then

1-cos²2x-2cos2x+2=0; ⇒ cos²2x+2cos2x-3=0; ⇔ (cos2x+3)(cos2x-1)=0;

$\left[\begin{array}{cc}cos2x+3=0\\cos2x-1=0\\\end{array} \ \ \left[\begin{array}{cc}x \ 'does-not-exist'\\cos2x=1\\\end{array} \ \ 2x=2\pi n, n=Z \ x=\pi n, n=Z$

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3 years ago

Write an equation for the line that is parallel to the given line and contains the given point. y=4/3x-7; (7,2)

nalin [4]

Answer:

y = (4/3)x - (22/3)

Step-by-step explanation:

If it's parellel than they have the same slope.

m = 4/3

y = mx + b

y = (4/3)x + b

2 = (4/3)(7) + b

(6/3) = (28/3) + b

-(28/3) -(28/3)

(-22/3) = b

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3 years ago

Dora cut a piece of string that is 33 centimeters long.What is the length of the piece of the string in meters

slega [8]

0.33 meters ..........

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4 years ago

D(A−N)=Q <br> solve for A

Vladimir79 [104]

Answer:

A= Q/d +N

Step-by-step explanation:

First you want to move the d term over by dividing both sides

Next you can move the N over by adding it to both sides.

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1 year ago

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