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3 years ago

What is the y-value of point A?

Mathematics

2 answers:

posledela3 years ago

6 0

Answer:

Step-by-step explanation:

I'm trying to help the guy above get the brainliest :)

Fudgin [204]3 years ago

5 0

Answer:

The y-value of Point A is 1.

Step-by-step explanation:

Because Point A only went up one (1) the coordinate plane.

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What is the area of Vivian’s garage door?

sergey [27]

The area of Vivian’s garage door is 62.5 square feet

<h3>Area of composite shape.</h3>

The Vivian garage is made up of a trapezoid and a rectangle. The area of the door is expressed as;

Area = Area of rectangle + area of trapezoid

Area = (5 * 8) + 0.5(7 + 8)*3
Area= 40 +22.5
Area = 62.5 square feet

Hence the area of Vivian’s garage door is 62.5 square feet

Learn more on composite shapes here: brainly.com/question/8370446

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3 years ago

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Reil [10]

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How to turn this equation: <br> y= -1.02(x-3)^2+9.25<br> into factored form

MatroZZZ [7]

Answer:

$y=(102x-306-5\sqrt{3774})(102x-306+5\sqrt{3774})$

Step-by-step explanation:

You first equate it to zero to get:

$-1.02(x-3)^2+9.25=0$

Then solve using square root method

$-1.02(x-3)^2=-9.25$

$(x-3)^2=\frac{-9.25}{-1.02}$

$(x-3)^2=\frac{925}{102}$

$x=3\pm\sqrt{\frac{925}{102}}$

$x=3\pm{\frac{5\sqrt{3774}}{102}}$

$x={\frac{306\pm5\sqrt{3774}}{102}}$

Now work it backwards

$102x-(306\pm5\sqrt{3774})=0$

$(102x-306-5\sqrt{3774})(102x-306+5\sqrt{3774})=0$

Hence the factored form is:

$y=(102x-306-5\sqrt{3774})(102x-306+5\sqrt{3774})$

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3 years ago