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d1i1m1o1n [39]
3 years ago
6

The radius of a circle with centre O is 5 cm. The lengths of the chords AB and BC are 6 cm and 8 cm respectively. The midpoints

of the chords are X and Y respectively. Find the perimeter of the quadrilateral OXBY.​

Mathematics
1 answer:
Katen [24]3 years ago
6 0

Refer to the attachment

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The diagram represents the shape and dimensions of Kayla's garden. A special fertilizer is used for the vegetable garden. Each b
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Answer:

B. 18 bags

Step-by-step explanation:

First you need to determine the area of the vegetable garden. The vegetable garden is a rectangle with the following dimensions:

L = 24 ft

W = 9 ft

The Formula for the area of a rectangle is:

A = L\times W

So let's solve it:

A = L\timesW\\A = 24 ft\times9ft\\A= 216ft^{2}

With that, we can figure out how many bags of fertilizer would be needed by dividing the area of the vegetable garden by how much one bag of fertilizer covers:

\dfrac{214ft^2}{12ft^2/bag}=18\;bags

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Andre45 [30]
I think it would be 4 po
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2 years ago
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6. Which of the following is the solution set to the equation x² + 8x -15 = 5x +13?
Verizon [17]

Answer:

The answer is A.......

5 0
3 years ago
Find an equation of the circle and sketch it if it has: Center on y=4, tangent x-axis at (–2, 0)
Digiron [165]

Answer:

(x+2)^2+(y-4)^2=16

OK, lets start by drawing a basic graph (the first one) so we can visualize.

We already know that the y coordinate of the circle's center is 4.

We know that the circle is tangent to the X axis at (-2,0)

That means the x coordinate of the center has to be -2, as the tangent is a point on the edge of the circle that touches a line at exactly one point.

The radius is the distance from the center of the circle to its edge. We know the center's location now, it is (-2, 4) and a point on the edge of the circle (the tangent point) which is (-2,0). so the distance between the points is 4 which is the radius (you can use the distance formula, but it's quite oblivious.)

We can imagine the circle should look like this (the second one):

Now we can piece together an equation

The equation of a circle is (x-h)^2+(y-k)^2=r^2 where (h,k) is the center and r is the radius. When we put the numbers in: we get (x-(-2))^2+(y-(4))^2=4^2 which can be simplified into (x+2)^2+(y-4)^2=16 which is the answer.

Step-by-step explanation:

4 0
3 years ago
6. The speed of the Mississippi River near New Orleans is about 4.8 km/h.
Misha Larkins [42]
4800 meters per 60 minutes Divide 4800 meters by 60 minutes 80meters per minute
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3 years ago
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