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777dan777 [17]
3 years ago
12

What is the slope of the line on the graph? Enter your answer in the box. A coordinate grid that includes the line y equals nega

tive two x. Points are plotted at begin ordered pair 3 comma negative six end ordered pair begin ordered pair 0 comma 0 end ordered pair and begin ordered pair negative 3 comma 6 end ordered pair.
Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
5 0
 The slope is -2.
Hope this helps!
RUDIKE [14]3 years ago
3 0

we have

the equation of the line is y=-2x

the points are

A(3,-6)\\B(0,0) \\C(-3,6)

<u>Method 1</u>

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form y/x=k or y=kx

In this problem we have a direct variation

The constant of proportionality k is equal to the slope of the line

k=-2

so

m=-2

therefore

<u>the answer is</u>

the slope of the line is equal to

m=-2

<u>Method 2</u>

we know that

the formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

A(3,-6)\\B(0,0)

substitute in the formula

m=\frac{0+6}{0-3}

m=\frac{6}{-3}

m=-2

therefore

<u>the answer is</u>

the slope of the line is equal to

m=-2


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Solve the equation x to the second power - 13x to the third power + 47x -35=0 given that 1 is a zero of f(x) = x to the third po
zloy xaker [14]

Answer:

The solution sets are 1, 5 and 7

Step-by-step explanation:

Given the polynomial function,

f(x) = x³-13x²+47x-35

If 1 is a zero function of f(x), according to factor theorem, the linear equation x-1 is a factor of the polynomial.

To get the other solution set, we will have to divide the polynomial function by x-1 and factorize the quotient function.

Factorising the resulting quotient function.

Q(x) = x²-12x+35 = 0

= x²-5x-7x+35 = 0

= x(x-5)-7(x-5) = 0

(x-5)(x-7) = 0

x-5 = 0 and x-7 = 0

x = 5 and 7

6 0
3 years ago
NUMBER 6 PLEASE HELP ASAP
Aleksandr [31]

Answer:

Part A: 115

Part B: 36000

Explanation:

Part A asks for the perimeter, which is adding, so add up the 15, 40, and 60, which will equal to 115.

Part B asks for the area, which is multiplying, so you multiply the numbers,

15 x 40 x 60 = <u>36000</u>

15 x 40 = 600

600 x 60 = 36000

You could try multiplying it a different way but get the same answer:

60 x 40 x 15 = <u>36000</u>

60 x 40 = 2400

2400 x 15 = 36000

I'm not sure if this is correct but I hope I helped

have a great day/night :))

6 0
2 years ago
A company interested in lumbering rights for a certain tract of slash pine trees is told that the mean diameter of these trees i
brilliants [131]

Answer:

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 12 inches

Standard Deviation, σ = 2.2 inches

We are given that the distribution of diameter of tree is a mound shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(diameters between 7.6 and 18.6 inches)

P(7.6 \leq x \leq 18.6) = P(\displaystyle\frac{7.6 - 12}{2.2} \leq z \leq \displaystyle\frac{18.6-12}{2.2}) = P(-2 \leq z \leq 3)\\\\= P(z \leq 3) - P(z < -2)\\= 0.999 - 0.023 = 0.976= 97.6\%

P(7.6 \leq x \leq 18.6) = 97.6\%

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

8 0
3 years ago
Mathilda has 20 pints of green paint. She uses 2/5 of it to paint a landscape and 3/10 of it while painting a clover. She decide
sleet_krkn [62]
2/5 of 20 = 8. 

3/10 of 20= 6. 

8+6=14. So 20-14= 6

She needs 14 pints, so you subtract 6 from that. Your final answer should be 8 pints. 
7 0
2 years ago
Read 2 more answers
Write an equation, in point-slope form, of the line that passes through the point (4, -3) with a slope -7.
Ilya [14]

Answer:

point-slope form:

y - 10 = -4(x - -2)

y - 10 = -4(x + 2)

---

slope-intercept form:

y - 10 = -4x - 8

y = -4x - 8 + 10

y = -4x + 2

Step-by-step explanation:

6 0
2 years ago
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