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3 years ago

How do i add 6.75 & 3.75?

Mathematics

1 answer:

Stella [2.4K]3 years ago

3 0

Answer:

It's like adding whole numbers, but with a dot. add 75+75=150

Because 150 is more than 100, you add the 1 to the whole numbers, the 6 and the 3. Add 3+6+1=10

So your answer is 10.5

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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:

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

$0=-a(42.25)+42.25$

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

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3 years ago

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natima [27]

Answer:

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Step-by-step explanation:

plotted point is on -1

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How do i add 6.75 & 3.75?​

How do i add 6.75 & 3.75?