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3 years ago

6

What is the area of a kitchen floor that measures 15 1/4 feet by 13 3/4 feet

1 answer:

kykrilka [37]3 years ago

5 0

To solve for area, you do length times height.( _____| is how it would look like)
So:
The length is 15 1/4 and the height is 13 1/4
Many people think that area is to add, however it means to multiply, so...
15 1/4×13 3/4= 209 11/16 feet
Hope this helps!:)

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An architect has his floor plan for a house he is building. The foundation for the house has already been laid and measures 300

wlad13 [49]

Answer:

12

Step-by-step explanation:

You divide 300 by 25

300/25=12

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3 years ago

What is the equation of the quadratic graph with a focus of (3, 1) and a directrix of y = 5?

telo118 [61]

Answer:

$f(x)=-\frac{1}{8}(x-3)^2+3$

Step-by-step explanation:

We want to find the equation of the parabola with a focus of $(3,1)$ and directrix $y=5$ .

Considering the directrix, the quadratic graph must open downwards.

The equation of this parabola is given by the formula,

$(x-h)^2=4p(y-k)$ , where $(h,k)$ is the vertex of the parabola.

The axis of this parabola meets the directrix at $(3,5)$ .

Since the vertex is the midpoint of the focus and the point of intersection of the axis of the parabola and the directrix,

$h=\frac{3+3}{2}=3$ and $k=\frac{5+1}{2}=3$ .

The equation of the parabola now becomes,

$(x-3)^2=4p(y-3)$ .

Also $|p|$ is the distance between the vertex and the directrix.

$|p|=2$

This implies that $p=-2\:or\:2$ .

Since the parabola turns downwards,

$p=-2$ .

Our equation now becomes,

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$(x-3)^2=-8(y-3)$ .

We make y the subject to get,

$y=-\frac{1}{8}(x-3)^2+3)$ .

This is the same as

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3 years ago

Classify the following triangle. Check all that apply.

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3 years ago

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2 years ago

Find the surface area of the given prism

Wewaii [24]

Answer:

Hello! answer: 432

Step-by-step explanation:

12 × 8 = 96

12 × 8 = 96

12 × 6 = 72

12 × 6 = 72

8 × 6 = 48

8 × 6 = 48

Then you add them all up so...

96 + 96 + 72 + 72 + 48 + 48 = 432 therefore the surface area is 432 hope that helps!

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3 years ago