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weqwewe [10]
3 years ago
9

I need help I’m timed what is the y- intercept of the linear function? y= 1/2 x + 4

Mathematics
1 answer:
Gennadij [26K]3 years ago
5 0

Answer: (0,4)

Step-by-step explanation:

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12 2/5 x 3 1/6 pls help me
Maurinko [17]
1. Turn improper
12 \frac{2}{5}  =  \frac{62}{5}
3 \frac{1}{6}  =  \frac{19}{6}
2. set up the problem
\frac{62}{5}  \times  \frac{19}{6}
now multiple across and simplefy
3 0
3 years ago
Find the value
Vaselesa [24]

Answer:

cosC = BC/AC

\cos(c)  =  \frac{15}{39}

4 0
3 years ago
How to right a polynomial function with a degree of 7 and a leading coefficient of 3
tia_tia [17]

Answer:

Step-by-step explanation:

I assume you mean to write a polynomial function. I don't know how righting works.

The simplest one I can think of is

y = 3x⁷

4 0
2 years ago
Need help with this question
AleksAgata [21]

First, let's find the slope of the line using the slope formula, which is:

m = \dfrac{y_2 - y_1}{x_2 - x_1}

((x_1, y_1) and (x_2, y_2) are points on the line)


In context of this problem, we can use the formula to find the slope of the line between the two points:

m = \dfrac{-2 -6}{7 - (-1)} = \dfrac{-8}{8} = -1


Now, we can use the slope in the point-slope formula, which will help us find the final equation of the line. (For reference, the point-slope formula is (y - y_1) = m(x - x_1) where (x_1, y_1) is a point on the line)


In the context of the problem, we could use the formula to find the equation of the line:

(y - 6) = -1(x + 1)

(y - 6) = -x - 1

\boxed{y = -x + 5}


The equation of the line is y = -x + 5.

4 0
3 years ago
Solve the equation. And write all solutions in general form.
Amiraneli [1.4K]

Answer:

x = pi/2 + 2 pi n                            x = pi + 2 pi n   where n is an integer

x = 5pi /3 + 2 pi n                      

Step-by-step explanation:

8 cos^2 x + 4 cos x-4 = 0

Divide by 4

2 cos^2 x +  cos x-1 = 0

Let u = cos x

2 u^2 +u -1 =0

Factor

(2u -1) ( u+1) = 0

Using the zero product property

2u-1 =0    u+1 =0

u = 1/2      u = -1

Substitute cosx for u

cos x = 1/2    cos x = -1

Take the inverse cos on each side

cos ^-1(cos x) = cos ^-1(1/2)   cos ^-1( cos x) =cos ^-1( -1)

x = pi/2 + 2 pi n                            x = pi + 2 pi n   where n is an integer

x = 5pi /3 + 2 pi n                      

8 0
3 years ago
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