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marta [7]
3 years ago
13

100 POINTS PLEASE PLEASE HELP I NEED THE ANSWER ASAPP ;(

Mathematics
2 answers:
Anestetic [448]3 years ago
8 0

Answer:

y

Step-by-step explanation:

First, let's find the equation of the line.

From the graph, we can pick out two points to use: (0,1) (the y-intercept) and (4,0) (the x-intercept).

Find the slope. Let (0,1) be x₁ and y₁ and let (4,0) be x₂ and y₂

Find the slope:

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

Substitute:

m=\frac{0-1}{4-0}\\m=-1/4

Use the slope-intercept form:

y=mx+b

Where m is the slope and b is the y-intercept.

We already know the slope is -1/4 and the y-intercept is 1. So, substitute:

y=-\frac{1}{4}x+1

Now, replace the equal sign with an inequality. Note that the line is dotted, so we won't use "or equal to." Also note that the blue, shaded area is <em>below</em> the line. Thus, we will use less than. Therefore:

y

The sentences:

First, we picked out two points from the graph. Next, we used those two points to find the slope. We used the slope and one of the points to write our slope-intercept equation. Afterwards, we can determine from the graph that since the shaded area is below the dotted line, the equation must have a less than.

Naddik [55]3 years ago
7 0

Answer:

y < -1/4 x +1

Step-by-step explanation:

Find two points on the dotted line

( 0,1) and  (4,0)

We can use the slope formula

m = ( y2-y1)/(x2-x1)

    = (0-1)/(4-0)

    = -1/4

The slope is -1/4

The y intercept is where it crosses the y axis  or 1

The equation of the line, using slope intercept form

y = mx+b

y = -1/4x +1

The line is dotted which means there is no equals, just greater than or less than.  It is shaded below which means less than

y < -1/4 x +1

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How do i solve functions?
Maksim231197 [3]
Most quadratic functions(which is what you have there, to a degree of 2) are solved using factoring and the zero product law. If you can not factor then you have to use the quadratic formula or graph it. However this one can be factored.
It's pretty simple to just factor it by inspection but I use the chart method, if you know decomposition that works as well.
Factoring gives us,
(2x + 1)(x - 3) = 0
Then you set each factor to 0 and solve for x,
2x + 1 = 0
2x =  - 1
x =  \frac{ - 1}{2}
And the second one,
x - 3 = 0
x = 3
The solutions to this equation are
x = -1/2, 3
6 0
3 years ago
!HELP HELP HELP HELP!
liraira [26]

Answer:

615.75216 ft

Step-by-step explanation:

diameterd=2r

d=2×14

d=28

circumferenceC=2πr

C=2×π×14

C=28π

C=87.9645943

areaA=πr2

A=π×142

A=196π

A=615.75216

Hope this helps~

All the love, Ya boi Fraser :)

8 0
3 years ago
HELP MEEE W MATH ILL MARK
liq [111]
35 is your answer (I did it on a triangle calculator)
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3 years ago
Sam is 2 years and his mother is 28 years old. In how many years will Sam's mother be 3 times as old as he will be?
stepan [7]
When Sam is 13 his mother will be 39 which is 3 times as old as he is. So Sam's mother will be 3 times as old as Sam will be in 11 years. (Your answer is 11 years.)
4 0
3 years ago
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Which represents the inverse of the funtion f(x)= 4x​
kkurt [141]

Answer:

h(x)= 1/4x

Step-by-step explanation:

4x=4x/1   flip the numerator and denominator to get 1/4x

8 0
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