I REALLY DONT GET THIS PLEASE HELP AND EXPLAIN!:)

Mathematics

1 answer:

Svetradugi [14.3K]4 years ago

8 0

So for perimeter you need to find out the total of all the sides. To find out side AB, you make a triangle and find out the hypotenuse.

a=5 and b=6
a square= 25 b square= 36
25+36= 61
Square root of 61 is 7.81

So side AB is 7.81 ft

Now we need to find out side BC.

a=3 and b=4
a square is 9 and b square is 16.
9+16 is 25
Square root of 25 is 5

Side BC is 5 ft.

Because it's a rectangle, side CD will be 7.81 and side DA will be 5.

7.81*2+5*2= 25.62 ft

So the perimeter of the rectangle is 25.62 ft or C.

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$C.\{-4,-2,~0,~2,~4\}$

Step-by-step explanation:

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3 years ago

In the equation -3(y-2)2/3+29=-19, the values of y are

Elodia [21]

See attached explanation.: Answer: y=26 or

Step-by-step.(−3(y−2))(2)3+29=−19
Step 1: Simplify both sides of the equation.(−3(y−2))(2)3+29=−19Simplify: −2y+4+29=−19 (Distribute)(−2y)+(4+29)=−19 (Combine Like Terms)−2y+33=−19−2y+33=−19

Step 2: Subtract 33 from both sides.−2y+33−33=−19−33−2y=−52

Step 3: Divide both sides by -2.−2y−2=−52−2y=26Answer: y=26