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Mumz [18]
3 years ago
8

Please help as quickly as possible (20pts)

Mathematics
1 answer:
MatroZZZ [7]3 years ago
5 0

Answer:

  c)  (-2, 6)

Step-by-step explanation:

Subtracting the second equation from the first gives ...

  (y) -(y) = (x^2 +3x +8) -(2x +10)

  0 = x^2 +x -2 . . . . . simplify

  0 = (x -1)(x +2) . . . . factor

Solutions for x are 1 and -2. The corresponding y-values are ...

  y = 2{1, -2} +10 = {2, -4} +10 = {12, 6}

The solutions are (1, 12) and (-2, 6). The only matching choice is (-2, 6).

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m_a_m_a [10]
It would be 7 because -3 times 5
7 0
3 years ago
Need help please !!!
blsea [12.9K]

Answer:

option C is the correct answer

Step-by-step explanation:

The trigonometric equation you are using has a general form

y = A* tan w*(x - r)

Where

A is the amplitude of the function

w is the frequency rad/s

r  is the phase shift

In your case

A = -2

The frequency is

w = (2*pi)/period

period = pi/4

w = 8

r = -pi/2

y = -2* cos 8*(x + pi/2)

7 0
3 years ago
WILL GIVE BRAINLIEST 6x-8y=-16 write in slope-intercept form. . . pls step by step or no brainliest
geniusboy [140]

Answer:

it would be y= 3/4x + 2

Step-by-step explanation:

the form is y=mx+b

and you have to set it up as 8y=16-6x

Divide each term

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Divide y by 1

then simplify and turn it into a fraction.

8 0
3 years ago
Rice is being poured into a cylindrical container with radius 4.5 inches so
12345 [234]

asked:the istant of height is the same as the radius

given facts:cylindrical container with radius 3.5 inches height of rice increasing 0.5 inches per second

solve hidden given:(4.5+o.5+2)

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8 0
3 years ago
Find the equation of the line described.
Lunna [17]

Answer:

y = -1/3x + 4

Step-by-step explanation:

y = 3x +5

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Passing through (6,2):

y = mx + b

2 = -1/3(6) + b

2 = -2 + b

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Use the perpendicular m = -1/3 and b = 4 to form equation of line:

y = mx + b

y = -1/3x + 4

5 0
3 years ago
Read 2 more answers
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