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allochka39001 [22]
3 years ago
15

NEED HELP NOW 100 POINTS WILL MARK BRAINLIEST ANSWER 5 PHOTOS BELOW PLZ ANSWER ALL NEED HELP QUICK!!!!!!!!!!

Mathematics
2 answers:
kap26 [50]3 years ago
8 0
C
B
C
A
C
D
C
A
B

Glad I could help!
Ket [755]3 years ago
6 0
1) c
2) b 
3) c
4) a
5) c
6) b
7) a
8) d
9) b
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Oksanka [162]

Answer:

468 sq. ft.

Step-by-step explanation:

A = 1/2 (a + b) (h)

   = 1/2 (52) (18)

   = 468 sq. ft.

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3 years ago
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You have to make 1000 buttons.the diameter of the button is 9cm but you have to find it’s area.its $15/m squared and you have to
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Answer:

$95.38

Step-by-step explanation:

step 1

Find the area of one button

The area is equal to

A=\pi r^{2}

we have

r=9/2=4.5\ cm ---> the radius is half the diameter

Convert to meters

r=4.5\ cm=4.5/100=0.045\ m

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\pi =3.14

substitute

A=(3.14)(0.045)^{2}\\A=0.0063585\ m^2

step 2

Find the area of 1,00 buttons

Multiply by 1,000

A=0.0063585(1,000)=6.3585\ m^2

step 3

Find the cost

Multiply $15 per square meter by the total area of 1,000 buttons

(15)6.3585=\$95.38

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3 years ago
A drawbridge will sometimes open up to let boats and other water traffic pass through. As it opens, the surface of the drawbridg
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16.6 meters D on apex

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3 years ago
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A teacher wrote the equation 3y + 12 = 6x on the board. For what value of b would the additional equation 2y = 4x +
kotykmax [81]

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Step-by-step explanation:

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A ladder leans against the side of a house. The angle of elevation of the ladder is 68° when the bottom of the ladder is 16 it f
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Answer:

The length of the ladder  = 6.5077 ft

Step-by-step explanation:

Given A ladder leans against the side of a house

Given the angle of elevation of the ladder is 68° when the bottom of the ladder is 16 ft from the side of the house

Let 'C' be the point of observation.

Given CA= 16 ft

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     x = 16 × cos 68°

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The length of the ladder = 6.5 ft

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3 years ago
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