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olchik [2.2K]
3 years ago
14

Stacey owns a lot that has 180 feet of front footage and contains 36,000 square feet. he purchases two identically-sized lots ad

jacent to each side of his lot. these side lots are each 200 feet deep and each side lot contains 19,000 square feet. what is the total front footage of all three lots?
Mathematics
1 answer:
LekaFEV [45]3 years ago
7 0
The total front footage of all three lots is 370.
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Answer: salt

Step-by-step explanation:

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3 years ago
find the curved surface area and total surface area of a right circular cylinder whose height is 15 cm and radius of the base is
ki77a [65]

Answer:

CSA = 660cm^2 --- Curved Surface Area

TSA = 968cm^2  --- Total Surface Area

Step-by-step explanation:

Given

Shape: Cylinder

h = 15 -- height

r = 7 --- radius

Solving (a): The curved surface area (CSA)

This is calculated as:

CSA = 2\pi rh

This gives:

CSA = 2 * \frac{22}{7} * 7 * 15

CSA = 2 * 22* 15

CSA = 660cm^2

Solving (b): The total surface area (TSA)

This is calculated as:

TSA = 2\pi r(h + r)

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TSA = 2 * \frac{22}{7} * 7 * (15 + 7)

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3 years ago
1. After a workout class, Lenia's heart rate
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102

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7 0
3 years ago
Earth is represented on a map of a portion of the solar system so that its surface is the circle with equation x2+y2+8x+2y−4883=
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Answer:

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Step-by-step explanation:

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1) x^{2}+y^{2}+8\cdot x +2\cdot y -4883=0 Given

2) (x^{2}+8\cdot x)+(y^{2}+2\cdot y) = 4883 Associative, commutative and modulative properties/Compatibility with addition/Existence of additive inverse.

3) (x^{2}+8\cdot x +16)+(y^{2}+2\cdot y+1)-17=4883 Associative, commutative and modulative properties/Compatibility with addition/Existence of additive inverse.

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According the result, the center of Earth is C(x,y) = (4, 1) and the square of the radius of Earth equals 4900. That is: r = 70

If satellite circles 0.4 unit above Earth, then the equation of the orbit of the satellite is:

(x+4)^{2}+(y+1)^{2}=70.4^{2}

(x+4)^{2}+(y+1)^{2} = 4956.16

Now we transform this into its general form:

1) (x+4)^{2}+(y+1)^{2} = 4956.16 Given

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What is the value of |45-75|
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The answer is 45 because I just had this question
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