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3 years ago

6

Find the surface area of the figure below.

1 answer:

Verdich [7]3 years ago

4 0

Answer:

1275 yards

Step-by-step explanation:

Find the area of the two triangles. To do that you multiply 15x13 to get 195 (this is the area of both of the triangles combined)
Next, find the area of the three sides. To do this you multiply 24x15 to get 360 then multiply that by 3 because there is 3 sides. And you get 1080.
Finally add the triangles and the sides 195+1080= 1275

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What's the center of a circle whose equation is (x – 14)2 + (y + 21)2 = 64?

kvasek [131]

Answer:

The center of the circle is:

$\left(a,\:b\right)=\left(14,\:-21\right)$

Thus, option (2) is true.

Step-by-step explanation:

The circle equation is given by

$\left(x-a\right)^2+\left(y-b\right)^2=r^2$

here,

r = raduis

center = (a, b)

Given the equation

$\left(x-14\right)^2+\left(y+21\right)^2=64$

$\mathrm{Rewrite}\:\left(x-14\right)^2+\left(y+21\right)^2=64\:\mathrm{in\:the\:form\:of\:the\:standard\:circle\:equation}$

$\left(x-14\right)^2+\left(y-\left(-21\right)\right)^2=8^2$

comparing with the circle equation

$\left(x-a\right)^2+\left(y-b\right)^2=r^2$

Therefore, the center of the circle is:

$\left(a,\:b\right)=\left(14,\:-21\right)$

Thus, option (2) is true.

7 0

2 years ago

Find the exact length of the third side.<br> 40<br> 9

Nutka1998 [239]

Answer:

89

Step-by-step explanation:

3 0

3 years ago

Please answer both zoom close so you can see the picture.

Iteru [2.4K]

Well I only know the first one

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2 years ago

Kendra is choosing bouquets of flowers for table centerpieces. She decides to buy 40 bouquets for $120 because she thinks that p

Fittoniya [83]

Answer:

Find below:

Step-by-step explanation:

To solve this, we either find the total cos5 of buying 40 bouquets at $2.50 or find the cost of one bouquet at $120.

Cost of one in pack of 40 at $120.

120 divided by 40 = $ 3

Now, we can see that $3>$2.50

This means that Kendra is wrong to buy the bouquet pack of 40 for $120

Hope this helps.

Good Luck

7 0

2 years ago

Trọng lượng một sp là bnn pp chuẩn với trung bình là 20,5 và độ lệch chuẩn là 2. Lấy ngẫu nhiên 4 sp để kiểm tra thì với xs 0,95

Illusion [34]

You need to make this is all languages if you want help thank you . :)

8 0

2 years ago