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mars1129 [50]
1 year ago
5

I need help on this may you help

Mathematics
1 answer:
HACTEHA [7]1 year ago
6 0

Answer:

should be 63

Step-by-step explanation:

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Give letter answer if you give equations rewritten I will give extra points :)
padilas [110]

Answer:

<em>(a), (d)</em>

Step-by-step explanation:

7 0
2 years ago
Please Help Keep getting 6.4
elixir [45]

Answer:

r = 3

Step-by-step explanation:

x^2 + 6x + y^2 - 8y = - 16

Take half the linear term and square it.

x^2 + 6x + (3)^2 + y^2 - 8y + (-4)^2 = - 16

Add the squared amounts to the right.

x^2 + 6x + 9 + y^2 - 8y + 16 = - 16 + 9 + 16  

Combine on the right.

x^2 + 6x + 9 + y^2 - 8y + 16 = 9

Represent the 2 quadratics as perfect squares.

(x + 3)^2 + y - 4)^2 = 9

The radius is the square root of 9 which is 3

8 0
2 years ago
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Find the volume of a cylinder made by rotating a rectangle with a width of 2.5 feet and a length of 8 feet as shown in the figur
asambeis [7]

<span>the question does not present the picture, but this does not interfere with the resolution</span>

we know that
When a rectangle with a width of 2.5 feet and a length of 8 feet rotates it makes a cylinder with a radius r = 2.5 ft and a height h = 8 ft

volume of a cylinder=pi*r²*h-----> pi*2.5²*8----> 157 ft³

the answer is
157 ft³
7 0
3 years ago
The chef has 80 pounds of strip loin. Th
PIT_PIT [208]
Um i was thinking 5% or something like that 
5 0
3 years ago
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What is the area of sector?
Shtirlitz [24]

Answer:

a

Step-by-step explanation:

since 90 degrees is 1/4 of a circle, the area of the sector is 5²pi/4 = 25/4pi = 19.63

5 0
3 years ago
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