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riadik2000 [5.3K]
3 years ago
11

Using significant digits calculate (3.89 + 0.046) x 7.221

Mathematics
1 answer:
enyata [817]3 years ago
8 0
The full answer is 28.421856
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Can someone please help
irina1246 [14]

Answer:

134.04 cm³ (rounded to tenths)

Step-by-step explanation:

The radius(r) is 4 cm

The height(h) is 8 cm

Using the equation and plugging in the values, you get

\frac{\pi *4^{2}*8 }{3} = 134.0412866

3 0
3 years ago
4
frutty [35]

Answer:

The answer is B

Step-by-step explanation:

3 0
3 years ago
Plz help me on 8 question
Salsk061 [2.6K]
No they are not at $3 for 6 bagles for $9 you only get 18 BAGLES
8 0
3 years ago
Will mark brainliest. only answer if you know it. random answers will be reported.
Alexandra [31]

Answer:

b = 17.55

Step-by-step explanation:

a^2 + b^2 = c^2

4^2 + b^2 = 18^2

16 + b^2 = 324

<u>-16              -16</u>

b^2 = 308

square root them

<u>b = 17.55</u>

let me know if it is correct!

8 0
3 years ago
Read 2 more answers
Find the area of the shaded figure. To do so, subtract the area of the smaller
Vikentia [17]

Answer:

x⁴ - 8x² + 9

Step-by-step explanation:

The Area of the smallest square is A1 = x . x = x²

The Area of the second square is A2 = ( x² - 3 )(x² - 3)

A2 = x⁴ - 3x² - 3x² + 9

A2 = x⁴ - 6x² + 9

The Area of the Shaded shape is A2 - A1

x⁴ - 6x² + 9 - x²

x⁴ - 8x² + 9

3 0
2 years ago
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