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astraxan [27]
3 years ago
9

How I do circumference and area

Mathematics
1 answer:
Artist 52 [7]3 years ago
3 0
You multiply 3.14 by the diameter or 2 times the radius 
for area you do pi or 3.14*radius squared 
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Isabella is making a display board for the school council elections. the display is 4.25ft by 6 ft rectangle. she needs to add a
inna [77]
(4.25×2)+(6×2)=
8.5+12=20.5ft
5 0
3 years ago
Must be put in groups of 14 square units or 16 square units triangle EFG
Genrish500 [490]

Answer:

Area 14 = PQRS + UVW; Area 16 = ABCD + EFG

Step-by-step explanation:

PQRS:  A = lw     = 7 × 2        = 14

ABCD: A = lw     = 4 × 4        = 16

UVW:  A  = ½bh = ½ × 7 × 4 = 14

EFG:    A = ½bh = ½ × 8 × 4 = 16

Area 14 = PQRS + UVW

Area 16 = ABCD + EFG

3 0
3 years ago
Solve the following system of equations<br> 3X +5Y=16<br> 2X+7Y=7
RoseWind [281]

Answer:

equals 56y+3x

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP MAX POINTS
erma4kov [3.2K]
Best Answer:  <span> 1.)
x^2 + y^2 = 30^2 since the radius is 30 ft
x^2 + y^2 = 900

2.)
Solving for y
y = √(900 - x^2) </span>
7 0
3 years ago
Read 2 more answers
Can you please show work​
stepan [7]

Answer:

A) 3.44 ft²

Step-by-step explanation:

before cutouts, the area was 4 x 4 = 16 ft²

the circles have a diameter of 2 ft each, and a radius of 1 ft

each circle has an area pf (3.14)(1²) = 3.14 ft²

3.14 x 4 = 12.56 ft²

16 - 12.56 = 3.44 ft² left

6 0
2 years ago
Read 2 more answers
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