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2 years ago

Find the perimeter of the polygon with the given vertices. Round your answer to the nearest hundredth.

Mathematics

1 answer:

Strike441 [17]2 years ago

4 0

hope this helps

srry if this is wrong

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A 24ft flagpole has a shadow of 9ft. A soldier standing next to the flagpole has a shadow of 2.25 feet. How tall is the soldier?

natima [27]

Answer:

6 feet

Step-by-step explanation:

Let's form a proportion;

24 x

____ = _____ ,

9 2.25

24(2.25) = 9x,

54 = 9x,

x = height of soldier = 6 feet

4 0

3 years ago

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Find the value of x that will make A||B A- 2x + 50 5x - 80 B- x = [?]

LenKa [72]

Answer:

Step-by-step explanation:

If A||B then the sum of given angles must be equal to 180°

2x + 5 + 5x - 80 = 180 add like terms

7x - 75 = 180 subtract 75 from both sides

7x = 105 divide both sides by 7

x = 15

8 0

3 years ago

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How do you simplify this and write as a polynomial in standar form? (x-9)3x-7)+(3x^2-5x+2)

nasty-shy [4]

Answer:

Standard form of $(x-9)(3x-7) + (3x^{2} - 5x+2)$ $=6x^{2} - 39x + 65$

Step-by-step explanation:

Here, the given expression is $(x-9)(3x-7) + (3x^{2} - 5x+2)$

Now, simplifying the above expression in parts, we get

$(x-9)(3x-7) = 3x^{2} - 7x -27x + 63 = 3x^{2} - 34x + 63$

hence, combining both parts:

$(x-9)(3x-7) + (3x^{2} - 5x+2)$ $=(3x^{2} -34x +63) + (3x^{2} - 5x+2)$

= $6x^{2} - 39x + 65$

The above expression is of the STANDARD FORM: $ax^{2} +bx + c$

Hence, the standard form of $(x-9)(3x-7) + (3x^{2} - 5x+2)$ $=6x^{2} - 39x + 65$

6 0

3 years ago

What temperature is 10 degrees less than 4 degrees Celsius ?

Nataly_w [17]

4 degrees C - 10 degrees C = negative 6 degrees C

5 0

2 years ago

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Type the correct answer in the box. Use numerals instead of words. The height of a baseball, in feet, is represented by this exp

Rudiy27

Answer:

31 feet.

Step-by-step explanation:

It is mentioned in the question that

Height of baseball expressed in feet

T = time in seconds

Also

$h= -16t^2+64t+3$

Now the time is 3.5 so put this value to the above equation

h = -16(3.5)^2 + 64(3.5) + 3

= -16(2.25) + 224 + 3

= -196 + 227

= 31

Therefore the height of a baseball is 31 feet and the same is to be considered

7 0

3 years ago