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sergeinik [125]
3 years ago
9

Geometry page 1 help please !

Mathematics
1 answer:
victus00 [196]3 years ago
6 0

Answer:

16) y=\frac{1}{4}x +5

17) y = -x - 4

18) y = -2x - 1

19) y = -2x

20)y=\frac{-5}{3} -3

Step-by-step explanation:

With the two points you find the slope using \frac{y_{2}-y_{1}  }{x_{2}-x_{1} }

Then using that slope, plug the slope in with one of the points values of x and y into the point slope formula, and smiplify that into the y-intercept formula.

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Select the correct answer.
givi [52]

Answer:

B. x = -6

Step-by-step explanation:

Use a graphing calculator such as desmos and enter each equation, you'll find the only one that falls on (-6, -9) and is perpendicular is B.

8 0
2 years ago
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HIGHEST COMMON FACTOR OF 102 AND 153 NEED HELP EXPLAIN FOR AN EXTRA 10 POINTS
Lynna [10]

Answer:

The highest common factor for both 102 and 153 is

GCF- 51

Step-by-step explanation:

51*3= 153

51*2=102

6 0
3 years ago
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Please help me answer this question
strojnjashka [21]

Answer:

  • modulus: 3√2
  • argument: -3π/4  (or 5π/4)

Step-by-step explanation:

The modulus is the magnitude of the complex number; the argument is its angle (usually in radians).

__

<h3>rectangular form</h3>

The complex number can be cleared from the denominator by multiplying numerator and denominator by its conjugate:

  \dfrac{-9+3i}{1-2i}=\dfrac{(-9+3i)(1+2i)}{(1-2i)(1+2i)}=\dfrac{-9+3i-18i-6}{1+4}=-3-3i

<h3>polar form</h3>

The magnitude of this number is the root of the sum of the squares of the real and imaginary parts:

  modulus = √((-3)² +(-3)²) = 3√2

The argument is the arctangent of the ratio of the imaginary part to the real part, taking quadrant into consideration.

  arg = arctan(-3/-3) = -3π/4  or  5π/4 . . . . radians

__

  modulus∠argument = (3√2)∠(-3π/4)

3 0
2 years ago
MATH 4 QUESTIONS PLEASE HELP
koban [17]
#1
(-1,1)

#2
(-1,-5)

#3
last one

#4
y = x - 3(third one)
7 0
4 years ago
The figures are similar. Find the missing length. Round to the nearest thousandth. (Hint: this is actually a reduction, the shap
Elena-2011 [213]

Answer:

x = 3.125 ft

Step-by-step explanation:

\frac{5}{x}=\frac{8}{5} \\8x = 25\\x = \frac{25}{8}=3.125

3 0
3 years ago
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