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3 years ago

What’s the answer for this Algebra Math question??

Mathematics

2 answers:

Gnoma [55]3 years ago

7 0

Answer:

The answer is C

Artyom0805 [142]3 years ago

7 0

Answer: The answer is C.

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An oval track is made by erecting semicircles on each end of a 46 m by 92 m rectangle. Find the length of the track and

Alexxandr [17]

Answer:

$Length\,\, of\,\, the\,\, track=420.44\,m\\\\Area\,\,covered \,\,by\,\, the\,\, track=5893.06\,m^2$

Step-by-step explanation:

Length of the Track:

Perimeter of the rectangle + Circumference of the two semicircle

Perimeter of the rectangle= $2(Length+Width)$

$Length=92\,m\\Width=46\,m$

Perimeter of the rectangle:

$=2(92+46)\\\\=2(138)\\\\=276\,m$

Circumference of Two Semicircle with same radius:

$r=\dfrac{46}{2} =23\,m$

$Circumference=2\times \pi \times r\\\\$

$=2\times 3.14\times 23\\\\=6.28 \times 23\\\\=144.44\,m$

Total Length of the track is :

$=276+144.44\\\\=420.44\,m$

Area Covered by the track is :

Area of the two semicircle + Area of the rectangle

$=(\pi \times r^2) + (Length\times Width)\\\\=(3.14\times (23\times 23 ))+(92\times 46)\\\\=1661.06 +4232\\\\=5893.06\,m^2$

3 0

3 years ago

Select all of the true equations.

Paraphin [41]

Answer:

cos(63)=y/15

tan(27)=y/x

sin(63)=x/15

Step-by-step explanation:

You need to memorize the definitions of all the trig functions. Then these types of problems will be easy for you. OK?

6 0

3 years ago

Quiz:

bagirrra123 [75]

Answer:

-3 -1

Step-by-step explanation:

Im not completely sure but i think

4 0

3 years ago

How do I pass my online math test on engenuity

DENIUS [597]

Answer:

I mean, you could study. If you need study methods, there are several online resources providing step by step directions. If you really can't figure out an issue, places such as Quizlet or Brainly help a great deal for studying and answer an question you may have. :)

Hope this helps and please mark brainliest!

6 0

3 years ago

You throw a ball up into the air with an initial vertical velocity of 46 feet per second. The ball leaves your hand when it is 6

zepelin [54]

Answer:

after 3 seconds

Step-by-step explanation:

$h = 6 + 46t - 16t^2$

it hits the ground when h=0

6 0

3 years ago