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3 years ago

How solve angles in polygons?

Mathematics

1 answer:

Flauer [41]3 years ago

5 0

The equation to solve this is (n-2) x 180. N is equal to the number of sides minus 2 times 180

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How many natural numbers lie between 75² and 76²

vodomira [7]

Answer:

Natural numbers between $75^{2}$ and $76^{2}$ is

(76 * 76) - (75 * 75)

=> 5776 - 5625

=> 151

Therefore, there are 151 natural numbers between $75^{2}$ and $76^{2}$

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3 years ago

Solve the system of equations using addition <br> x+y=9<br> x-y=3

Semmy [17]

(6,3) Is the answer________________

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3 years ago

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What percent of 16 is 0.12?

valentinak56 [21]

Answer:

0.75%

Step-by-step explanation:

Convert the fractions and then multiply by 100.

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3 years ago

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A picture frame has a perimeter of 62 inches. The difference between the

castortr0y [4]

Answer: each width = 10, each length = 21

Explanation: from the question we know that L=2w + 1 and we also know that a rectangle has the perimeter of 62 when we plug it in the equation we will get 62= 2(2w+1+w) we will multiply the 2 now and we will get 62=4w+2+2w we will combine like terms and we will minus two from both sides ending up with 60=6w we will divide six from both sides and we will get w=10 then we will use l=2w+1 to find the length and it will be 21

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3 years ago

Only find the vertex and axis of symmetry

lara [203]

Answer:

vertex (5,2)

axis of symmetry: x=5

Step-by-step explanation:

vertex (h,k)

y = a(x - h)² + k

f(x)=(x-5)²+2 a = 1 h = 5 k = 2

vertex (5 , 2)

The axis of symmetry always passes through the vertex of the parabola. The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola.

x = 5

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2 years ago