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3 years ago

Please help, almost finished with math

Mathematics

2 answers:

Musya8 [376]3 years ago

6 0

Answer:

i think it is A

Step-by-step explanation:

hope this helped!

p.s it would be cool if you give me brainliest.

HACTEHA [7]3 years ago

3 0

It would be a $16 every 2 pounds

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For the figures below, assume they are made of semicircles, quarter circles and squares. For each shape, find the area and perim

laiz [17]

Answer:

Part 1) $A=36(\pi-2)\ cm^2$

Part 2) $P=6(\pi+2\sqrt{2})\ cm$

Step-by-step explanation:

Part 1) Find the area

we know that

The area of the shape is equal to the area of a quarter of circle minus the area of an isosceles right triangle

$A=\frac{1}{4}\pi r^{2}-\frac{1}{2}(b)(h)$

we have that the base and the height of triangle is equal to the radius of the circle

$r=12\ cm\\b=12\ cm\\h=12\ cm$

substitute

$A=\frac{1}{4}\pi (12)^{2}-\frac{1}{2}(12)(12)\\A=(36\pi-72)\ cm^2$

simplify

Factor 36

$A=36(\pi-2)\ cm^2$

Part 2) Find the perimeter

The perimeter of the figure is equal to the circumference of a quarter of circle plus the hypotenuse of the right triangle

The circumference of a quarter of circle is equal to

$C=\frac{1}{4}(2\pi r)=\frac{1}{2}\pi r$

substitute the given values

$C=\frac{1}{2}\pi (12)\\C=6\pi\ cm$

The hypotenuse of right triangle is equal to (applying the Pythagorean Theorem)

$AC=\sqrt{12^2+12^2}\\AC=\sqrt{288}\ cm$

simplify

$AC=12\sqrt{2}\ cm$

Find the perimeter

$P=(6\pi+12\sqrt{2})\ cm$

simplify

Factor 6

$P=6(\pi+2\sqrt{2})\ cm$

8 0

3 years ago

If a man falls and breaks his spine do you

pochemuha

Oh My Gosh!

My best choice is A.

4 0

3 years ago

Marissa wrote her bike to the park and back up halfway to the park she stopped at the library she was one 310 miles from the lib

erastovalidia [21]

Answer:

5 1/5 miles

Step-by-step explanation:

Given that :

Library is located halfway between park and home ;

Distance between library and park = 1 3/10 miles

Hence, total distance between park and home :

1 3/10 + 1 3/10 = 2 6/10

The distance driven :

Home to park ; park back home

2 6/10 + 2 6/10 = 4 12/10

4 + 12/10 = 4 + 1 2/10

= 5 2/10

= 5 1/5 miles

3 0

3 years ago

find the other endpoint of the line segment with the given endpoint and midpoint. Endpoint: (-1,9), midpoint: (-9,-10)

Lena [83]

The other endpoint would be (-17,-29)

3 0

4 years ago

If = 12 cm and m=5 cm what is the length of n?<br> A 11 cm<br> B.10 cm<br> C. 13 cm<br> D. 14 cm

Temka [501]

Answer:

Step-by-step explanation:

12^2+5^2=c^2

144+25=c^2

169=c^2

Square root 169 and you get 13

7 0

2 years ago