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Valentin [98]
2 years ago
12

Algebra 2 work, it an EXAM PLEASEEE HELP i’ll even cash app you $10!!!! please just please

Mathematics
1 answer:
Juliette [100K]2 years ago
5 0

Answer:

Formula : (n-2) 180

Step-by-step explanation:

12 sides: (12-2) 180

12-2=10

10 * 180= 1800

In the formula the n is the number of sides. Use this formula to solve the first few questions.

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The surface area of the square pyramid is 96 square inches. Find the value of x.
anyanavicka [17]

Answer:

X is 24.

Step-by-step explanation:

Divide the surface area by 4

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3 years ago
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Carly uses the shipping box in the shape of a rectangular prism as shown in the diagram to mail a present to her grandmother. Wh
Diano4ka-milaya [45]
This is the concept of volumes of solid figures;
volume=length*width*height
the dimensions of our figure is:
length=15 1/2 in=31/2 in
width=10 1/4 in=41/4 in
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7 0
3 years ago
In the diagram below, the radii of the two concentric circles are 3 centimeters and 7 centimeters, respectively.
True [87]

Answer:

125.6 cm²

Step-by-step explanation:

Area of the shaded region = area of larger circle - area of the smaller circle

Area of the smaller circle = πr²

π = 3.14, r = 3 cm

Area of smaller circle = 3.14*3² = 3.14*9 = 28.26 cm²

Area of larger circle = πr²

π = 3.14, r = 7

Area of larger circle = 3.14*7² = 3.14*49 = 153.86 cm²

Area of the shaded region = 153.86 - 28.26 = 125.6 cm²

5 0
3 years ago
Find the surface area of the prism. 4 cm 3 cm 5 cm 9 cm
iren [92.7K]

Answer:

540cm^3

Step-by-step explanation:

4*3*5*9=12*5*9=60*9=540

8 0
3 years ago
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The recipe says he needs 450 grams of rice for 6 people
Fynjy0 [20]

Answer:

1.35kg

Step-by-step explanation:

450g : 6 people

x : 18 people

To get from 6 to 18, multiply by 3 so do the same to the other side

450 × 3 = 1350g

To convert from g to kg divide by 1000

1350 ÷ 1000 = 1.35kg

5 0
2 years ago
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