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polet [3.4K]
3 years ago
13

The greenhouse club is purchasing seed for the lawn in the school courtyard. The club needs to determine how much to buy. Unfort

unately, the club meets after school, and students are unable to find a custodian to unlock the door. Anthony suggests they just use his school map to calculate the area that will need to be covered in seed. He measures the rectangular area on the map and finds the length to be 10 inches and the width to be 6 inches. The map notes the scale of 1 inch representing 7 feet in the actual courtyard. What is the actual area in square feet?
Mathematics
1 answer:
kiruha [24]3 years ago
7 0

Answer:

The answer is 2940ft^2

Step-by-step explanation

First convert length and width to feet using the value given (7ft=1inch).

10*7= 70

6*7= 42

Multiply these values for the actual area.

42*70= 2940

The actual area of the lawn is 2940ft^2

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Using the given information, give the vertex form equation of each parabola.
Amanda [17]

Answer:

The equation of parabola is given by : (x-4) = \frac{-1}{3}(y+3)^{2}

Step-by-step explanation:

Given that vertex and focus of parabola are

Vertex: (4,-3)

Focus:(\frac{47}{12},-3)

The general equation of parabola is given by.

(x-h)^{2} = 4p(y-k), When x-componet of focus and Vertex is same  

(x-h) = 4p(y-k)^{2}, When y-componet of focus and Vertex is same

where Vertex: (h,k)

and p is distance between vertex and focus

The distance between two points is given by :

L=\sqrt{(X2-X1)^{2}+(Y2-Y1)^{2}}

For value of p:

p=\sqrt{(X2-X1)^{2}+(Y2-Y1)^{2}}

p=\sqrt{(4-\frac{47}{12})^{2}+((-3)-(-3))^{2}}

p=\sqrt{(\frac{1}{12})^{2}}

p=\frac{1}{12} and p=\frac{-1}{12}

Since, Focus is left side of the vertex,

p=\frac{-1}{12} is required value

Replacing value in general equation of parabola,

Vertex: (h,k)=(4,-3)

p=\frac{-1}{12}

(x-h) = 4p(y-k)^{2}

(x-4) = 4(\frac{-1}{12})(y+3)^{2}

(x-4) = \frac{-1}{3}(y+3)^{2}

8 0
3 years ago
(4,5) and (11,33) rate of change
Nonamiya [84]

slope = (y2-y1)/(x2-x1)

 m = (33-5)/(11-4)

m=28/7

m=4

slope = 4

8 0
3 years ago
Read 2 more answers
Please help with all. I’m not sure if I’m wrong, PLEASE HELP I WILL GIFT ALL MY POINTS AND BRAINIEST ANSWER
Salsk061 [2.6K]

Answer:

Yes, you are right. Great job!

Step-by-step explanation:

4 0
3 years ago
How would u do this and can u explain
Amanda [17]


M=2-(-6)/(-1)-(-2)=8
Y=8x+b
-6=8*(-2)+b
-6=-16+b
B=16-6=10
Y=8x+10

I hope my answer is help to you
4 0
2 years ago
Abigail has 17 chocolates left.As she offers her friend a chocolate she realises there are now only 2 of her favourite truffles
Flura [38]

Answer:

there will be  a 2/17 chance that she will get her favorite truffle.

Brainliest??

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