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3 years ago

Help i have no idea how to do this i will mark you brainless if you actually try to get it right

Mathematics

1 answer:

blondinia [14]3 years ago

8 0

Answer:

it is very simple, is you are given the co-ordinates for the graph plot them.

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A circular pool has a radius of 12 feet. To the nearest square foot, what is the area of the trampoline?

svet-max [94.6K]

Answer:

452 ft.²

Step-by-step explanation:

πr² = 3.14 x 12²

= 452.16

= 452 ft.² (to the nearest square foot)

4 0

3 years ago

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True or false the angle

Ira Lisetskai [31]

Answer:

Second option: False

Step-by-step explanation:

You need to use the following identity:

$sin\alpha=\frac{opposite}{hypotenuse}$

Let be "x" the lenght of the buildings's shadow.

$opposite=x$ (Lenght of building's shadow)

You can observe in the figure that:

$\alpha=75\°\\\\hypotenuse=50ft$

Substitute these values into $sin\alpha=\frac{opposite}{hypotenuse}$ and solve for ""x":

$sin(75\°)=\frac{x}{50}\\\\(50)(sin(75\°))=x\\\\x=48.29\°$

Therefore, the length of its shadow IS NOT 12.94 feet.

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3 years ago

What are the roots of <br>f(x)=-(x-2)^2 +4

bonufazy [111]

put it in for u https://www.symbolab.com/solver/roots-calculator/f%5Cleft(x%5Cright)%3D%5Cleft(x-2%5Cright)%5E%7B2%7D%2B4

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3 years ago

Triangle, parallelogram lies between same parallel lines. <br><br> True or False

Pavlova-9 [17]

Answer:

True

Step-by-step explanation:

3 0

3 years ago

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Use the grouping method to factor this polynomial.

tankabanditka [31]

Answer:

Step-by-step explanation:

Given

x³ + 3x² + 3x + 9 ( factor first/second and third/fourth terms )

= x²(x + 3) + 3(x + 3) ← factor out (x + 3) from each term

= (x² + 3)(x + 3) → C

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4 years ago