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antiseptic1488 [7]
3 years ago
11

How do you do this? I'll give brainliest, please help.

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
6 0

Answer:

Domain is all values of X or (-∞,∞)

Range is all the possible values of Y. Since it goes up to 3, and then it goes down, it's all values less than or equal to y, or (-∞,3] or y ≤ 3 (depending on how you need to enter the response.

Step-by-step explanation:

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Solve the system of equations {3x-y=10, -x y=12} for Y
Novosadov [1.4K]
3x - y = 10 . . . (1)
-x + y = 12 . . . (2)

(1) + (2) => 2x = 22 => x = 22/2 = 11

From 2, -11 + y = 12 => y = 12 + 11 = 23
5 0
3 years ago
What is the equation of the line graphed below? (3,-1) A. y=1/3x B. y=x C. y=-3x D. y=- 1/3x
Rzqust [24]

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The correct option is A.

<h3>What is the equation of a line?</h3>

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation of line is given by,

y =mx + c

where,

x is the coordinate of the x-axis,

y is the coordinate of the y-axis,

m is the slope of the line, and

c is constant.

The graph of the question is mentioned below.

If we look the function given below then it can be observed that the given graph is linear. Also, the line passes through (0,0) and (3,1).

The slope of the line is,

Slope, m = (1-0)/(3-0) = 1/3

The y-intercept of the line is at the origin. Thus, the equation can be written as,

y = (1/3)x + 0

y = (1/3)x

Hence, the correct option is A.

Learn more about Equation of Line:

brainly.com/question/21511618

#SPJ1

5 0
2 years ago
What is 9 divided by 160
levacccp [35]
9/160 is <span>0.05625
                   _
160/9 is </span>17.7
6 0
3 years ago
What is the x-intercept (-5,-5) (10,-2)
Andre45 [30]

Answer:

(20,0)

Step-by-step explanation:

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

(-5,-5).....x1 = -5 and y1 = -5

(10,-2)...x2 = 10 and y2 = -2

slope = (-2 - (-5) / (10- (-5) = (-2 + 5) / (10 + 5) = 3/15 = 1/5

y = mx + b

slope(m) = 1/5

use either point, I will use (10,-2)...x = 10 and y = -2

now we sub

-2 = 1/5(10) + b

-2 = 2 + b

-2 - 2 = b

-4 = b

so the equation for this line is : y = 1/5x - 4

to find the x intercept, sub in 0 for y and solve for x

y = 1/5x - 4

0 = 1/5x - 4

-1/5x = -4

x = -4 * -5

x = 20.......so ur x intercept is (20,0) <====

6 0
3 years ago
paul and amy each improved their yards by planting daylilies and shrubs they bought their supplies from the same store paul spen
madreJ [45]

Answer:

the cost of 1 daylile =9

the cost of 1 shrub  =6

Step-by-step explanation:

<em>Paul spent 45$ on 3 dayliles and 3 shurbs</em>

<h3>Equation 1</h3>

3x + 3y = $45

<em>Amy spent 75$ on 3 dayliles and 8 shrubs </em>

<h3>Equation 2</h3>

3x + 8y = $75

solve them

3x + 3y = $45

3x = 45 - 3y

x = (45 - 3y) / 3

Put values of x in equation 2

3(45 - 3y) / 3 + 8y = 75

45 - 3y + 8y = 75

45 + 5y = 75

5y = 75 - 45

5y = 30

y = 30/5

y = 6

find x,

3x + 3y = $45

3x + 3(6) = 45

3x =45 - 18

3x = 27

x = 9

So

the cost of 1 daylile =9

the cost of 1 shrub  =6

8 0
3 years ago
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