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o-na [289]
3 years ago
10

Hey can you help me fast!!!

Mathematics
1 answer:
kotykmax [81]3 years ago
7 0

Answer:

12 ft²

Step-by-step explanation:

the rectangular hole area:

l • w = A

3 • 2 = 6 ft

the triangular hole area:

(b • h) / 2 = A

(4 • 3) / 2 = 6 ft

6 ft + 6 ft = 12 ft²

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What is the coordinate?
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Remember that the equation of a circle is:
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We need to get the equation into that form, and find k.

x^{2} - 6x +  y^{2} - 10y = 56

Complete the square. We must do this for x² - 6x and y² - 10y separately.

x² - 6x
Divide -6 by 2 to get -3.
Square -3 to get 9. Add 9,
x² - 6x + 9

Because we've added 9 on one side of the equation, we have to remember to do the same on the other side.

x^{2} - 6x + 9 + y^{2} - 10y = 65

Now factor x² - 6x + 9 to get (x - 3)² and do the same thing with y² - 10y.

y² - 10y
Divide -10 by 2 to get -5.
Square -5 to get 25.
Add 25 on both sides.

(x - 3)^{2}+ y^{2} - 10y + 25= 90

Factor y² - 10y + 25 to get (y - 5)²

(x - 3)^{2}+ (y - 5)^{2} = 90

Now our equation is in the correct form. We can easily see that h is 3 and k is 5. (not negative because the original equation has -h and -k so you must multiply -1 to it)

Since (h, k) represents the center, (3, 5) is the center and 5 is the y-coordinate of the center.
7 0
3 years ago
The slope of a line is 2. The y-intercept of the line is –6. Which statements accurately describe how to graph the function
gogolik [260]
F(x) = 2x - 6
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4 0
3 years ago
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What is one yard minus one foot and three inches.
aleksandrvk [35]
Well, a yard is equal to 36 inches.
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3 years ago
(2y-1)(4y-3) What is the answer to this?
Likurg_2 [28]
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4 0
3 years ago
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Which of the following represents the value of the missing side?
igomit [66]

Answer:

The value of the missing side is x=2\ units

Step-by-step explanation:

In this problem i assume that the length side x is tangent to the circle

so

the length side x is perpendicular to the radius

Applying the Pythagoras Theorem in the right triangle

we have that

(1.5+1)^{2}=1.5^{2}+x^{2}

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7 0
3 years ago
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