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ikadub [295]
3 years ago
10

I really need help with this, so please respond as soon a possible​

Mathematics
2 answers:
nexus9112 [7]3 years ago
8 0

Answer:

2x-3

Step-by-step explanation:

Rise over Run 2/1 =2x and the y Intercept is -3

marishachu [46]3 years ago
3 0

Answer:

Step-by-step explanation:

The graph is a straight line graph. The equation of a straight line can be represented in the slope-intercept form, y = mx + c

Where c = intercept

Slope, m =change in value of y on the vertical axis / change in value of x on the horizontal axis

change in the value of y = y2 - y1

Change in value of x = x2 -x1

y2 = final value of y

y 1 = initial value of y

x2 = final value of x

x1 = initial value of x

From the graph,

y2 = - 5

y1 = 1

x 2 = 1

x1 = -2

Slope = (- 5 -1)/(1 - -2) = -6/3 = -2

m = -2

The equation becomes

y = -2x + c

We need to determine c. Let us use (1,-5)

-5 = -2 ×1 + c

-5 = -2 + c

c = -5 + 2 = -3

The equation is

y = -2x -3

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y varies inversely with x k = 1.4 What is the value of x when y is 5.6? A. x = 4 B. x = 1.4 C. x = 0.25 D. x = 7.84
Wewaii [24]
\bf \qquad \qquad \textit{inverse proportional variation}\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad  y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
variation
\end{array}\\\\
-------------------------------\\\\
k=1.4\qquad y=\cfrac{1.4}{x}
\\\\\\
\textit{What is the value of x when y is 5.6?}\qquad 5.6=\cfrac{1.4}{x}

solve for "x".
7 0
3 years ago
Is DEF a right triangle? True or false
umka2103 [35]
Short answer = false
Remark

If it is a right triangle, it will obey the Pythagorean Equation. a^2 + b^2 = c^2. Let's see if it does.

Equation
a^2 + b^2= c^2
c must be the longest line. (Hypotenuse)

Givens
a = 24
b = 17
c = 40

Sub and Solve
a^2 + b^2 = c^2
17^2 + 24^2 = c^2 [We'll see if this comes out to 40]

289 + 576 = c^2
865 = c^2 which is no where near what 40^2 equals. 40^2 = 1600

Short answer False

Square root of 865 = (865)^1/2 = 29.4
5 0
4 years ago
Can someone please answer this question here are the answers to the question:
Nitella [24]
Answer: 1298 square feet

------------------------------------------------------

Work Shown:

Area of Rectangle on the Left = length*width = c*d = 24*20 = 480
Area of Rectangle in the center = length*width = c*b = 24*10 = 240
Area of Rectangle on the Right = length*width = c*e = 24*17 = 408

Area of top triangle = (base*height)/2 = b*a/2 = 10*17/2 = 170/2 = 85
Area of bottom triangle = (base*height)/2 = b*a/2 = 10*17/2 = 170/2 = 85

Add up the individual areas to get:
480+240+408+85+85 = 1298

The units are in square feet since this is dealing with area.

3 0
3 years ago
Need help refer to picture
Mrrafil [7]

Answer:

-6x + 54y + 4.83 xy + 9.32

Step-by-step explanation:

line up like terms next to each other:

7x - 13 x + 18y + 36y + 4.83xy + 9.32

solve:

-6x + 54y + 4.83xy + 9.32

8 0
3 years ago
Read 2 more answers
A cylindrical oil storage tank has a height of 10 meters and a diameter of 24 meters. If the tank is full, how much oil does it
Fantom [35]
For this case what you should do is find the volume of the tank in the form of a cylinder.
 By definition, the volume of a cylinder is:
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 Where,
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 V = 4521.6 kL
 Answer:
 If the tank is full, it does contain 4521.6 kL of oil
8 0
3 years ago
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