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dybincka [34]
2 years ago
6

Y= -2x,1 - 7 y=x^2+ 4x- 2

Mathematics
1 answer:
m_a_m_a [10]2 years ago
7 0

Answer:

if you need to find solutions ghraficaly

Step-by-step explanation:

y=y

-2x,1-7=x^2+4x-2

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0.78 =? as a simplified fraction?
Murljashka [212]

Answer: 39/50

Step-by-step explanation:

8 0
3 years ago
At what points on the graph of f(x)=2x^3-6x^2-27x is the slope of the tangent line -9?
Dmitriy789 [7]

Answer:

(-1, 19) and (3, -81)

Step-by-step explanation:

f(x) = 2x³ − 6x² − 27x

f'(x) = 6x² − 12x − 27

-9 = 6x² − 12x − 27

0 = 6x² − 12x − 18

0 = x² − 2x − 3

0 = (x + 1) (x − 3)

x = -1 or 3

f(-1) = 19

f(3) = -81

The points are (-1, 19) and (3, -81).

4 0
3 years ago
If m 1=55, what is m 5?
AleksAgata [21]
275 if i'm not mistaken
6 0
3 years ago
Read 2 more answers
Can you draw an isosceles triangle with only one 80 degree angle?
aev [14]

Answer:

The triangle is 50,50 80

Step-by-step explanation:

The three angles of a triangle equal 180 degrees

We only want one 80 degree angle.  That means the other two angles have to be the same, since it is an isosceles triangle.  Call the other angle x

x+x+80 = 180

2x+80 =180

Subtract 80 from each side

2x+80-80=180-80

2x =100

Divide by 2

2x/2=100/2

x = 50

Each of the other angles in the triangle would have to equal 50 degrees

The triangle is 50,50 80

6 0
3 years ago
Round your answer to the nearest percent.
emmainna [20.7K]

Answer:

Step-by-step explanation:

Givens

Number not using given app = 71

Total number of students  = 219

% = ?

Solution

P(~given app) = 71 / 219

P(~given app)  = 0.324

% = 0.324 * 100  = 32.4%

Answer

32.4% do not use Given App

4 0
2 years ago
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