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Anastaziya [24]
3 years ago
10

Cindy is painting on a canvas shaped like a regular pentagon. She covers 4/5 of the canvas with paint. How much of the canvas is

covered in paint?
Mathematics
2 answers:
ICE Princess25 [194]3 years ago
6 0
The answer is 4/5.
Pls mark brainliest
seraphim [82]3 years ago
5 0

Answer:

4/5

Step-by-step explanation:

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Solve the quadratic equation by completing the square. <br> x^2 - 10x + 18 = 0
serious [3.7K]
Okay so basically, you subtract 18 on both sides since the 18 doesn't work, making the equation 
<span>x</span>²<span> - 10x = -18
So then you add (b/2)</span>²<span>, which is 25, to both sides, to get 
</span><span>x</span>²<span> - 10x + 25 = 7
</span><span>After this, you factor.
</span><span>(x-5)(x-5) = 7
</span><span>Then you simplify.
(x-5)</span>²<span> = 7
Then you solve for x.
</span>√(<span>x-5)</span>²<span> = </span>√7
x-5 = (+ or -)√7

~ x= 5 (+ or -)√7 ~

Hope this helps!

3 0
3 years ago
A coin weighs 3/4 ounces. Laura picked up 6 of these coins. What is the total weight of the coins she picked up? In simplest for
pshichka [43]

Answer:

1 1/2 pound

Step-by-step explanation:

If each coin weighs 3/4 ounces and she picked up 6 then you do 3/4 x 6/1 which equals 18/4 and since there is 16 ounces in a pound it simplifies to 1 2/4 or 1 1/2 pounds

3 0
3 years ago
HELP!!!!
Harman [31]
The lateral area is the area of everything but the base.  A shortcut formula for this area is Ph.  (where P is the perimeter of the base and h is the height of the prism).

So the lateral area is (3+9+9.49)x37 = 795.13 m^2  or 795 m^2

The surface area is the lateral area plus the area of the 2 bases.  The base is a triangle.  (area = 1/2 bh) 

Since there are two identical bases, the total area of the base is just 3x9 = 27

So the surface area is 795.13 + 27 = 822.13 m^2 or 822 m^2.
3 0
3 years ago
What is the reciprical of 2 3/8
julsineya [31]

Answer:

8/19

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The radius of a circle is 15 inches. What is the circumference of the circle? Write your answer using .​
dem82 [27]

Answer: C ≈ 94.25 in

Step-by-step explanation:

4 0
2 years ago
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