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3 years ago

14

Identify the correct equation that matches the graph.

2 answers:

dezoksy [38]3 years ago

8 0

Answer:

A, y=1/4x+2

Step-by-step explanation:

All of the equations are the same except forthe slope. Look at the points where the line crosses the points, I chose (0,2) and (4,3). The line goes up one and over four from the first point to the second point. Since it’s rise over run, up and over, it’s 1/4x

kobusy [5.1K]3 years ago

4 0

Answer:

I don't know either B or D ........

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grandymaker [24]

We have been given graph of a downward opening parabola with vertex at point $(6.5,42.25)$ . We are asked to write equation of the parabola in standard form.

We know that equation of parabola in standard form is $f(x)=ax^2+bx+c$ .

We will write our equation in vertex form and then convert it into standard form.

Vertex for of parabola is $y=a(x-h)^2+k$ , where point (h,k) represents vertex of parabola and a represents leading coefficient.

Since our parabola is downward opening so leading coefficient will be negative.

Upon substituting coordinates of vertex and point (0,0) in vertex form, we will get:

$0=-a(0-6.5)^2+42.25$

$0=-a(42.25)+42.25$

$-42.25=-a(42.25)+42.25-42.25$

$-42.25=-42.25a$

$a=1$ Divide both sides by $-42.25$

So our equation in vertex form would be $f(x)=-(x-6.5)^2+42.25$ .

Let us convert it in standard from.

$f(x)=-(x^2-13x+42.25)+42.25$

$f(x)=-x^2+13x-42.25+42.25$

$f(x)=-x^2+13x$

Therefore, the equation of function is standard form would be $f(x)=-x^2+13x$ .

3 0

3 years ago

Slope = -1, y-intercept = 3

andreev551 [17]

what's the question pymp

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3 years ago

A shopkeeper sold a dressing table for 7512.75 at a profit of 19*1/4% What was the cost price.

Katarina [22]

Cp=7512.75×[100÷(100+77÷4)]
=7512.75×(100÷119.25)
=6300
c.p=6300

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emmainna [20.7K]

367.5, there are 367.5 8's in 2,940.

Hope this helps, if not, comment below please!!!!

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alisha [4.7K]

The answer is 60 dollars.

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