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Alina [70]
2 years ago
11

PLEASE HELP ASAP ILL GIVE BRAINLIEST AND A THANKS!

Mathematics
2 answers:
svetoff [14.1K]2 years ago
7 0

Answer:

28.26 cm²

Step-by-step explanation:

3² = 9

9 x 3.14 = 28.26

S_A_V [24]2 years ago
5 0

Answer:

28.27cm would be your answer :)

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The diameter of the dot produced by a printer is normally distributed with a mean diameter of 0.002 inch and a standard deviatio
Montano1993 [528]

Answer:

P(0.0014 < x < 0.0026)  = 0.86639

Step-by-step explanation:

Given

\mu = 0.002

\sigma = 0.0004

Required

P(0.0014 < x < 0.0026)

First, calculate the z score

z = \frac{x - \mu}{\sigma}

For x = 0.0014

z = \frac{0.0014 - 0.002}{0.0004}

z = \frac{-0.0006}{0.0004}

z = -1.5

For x = 0.0026

z = \frac{0.0026 - 0.002}{0.0004}

z = \frac{0.0006}{0.0004}

z = 1.5

So, we have:

P(0.0014 < x < 0.0026) = P(-1.5

From z probability table, we have:

P(-1.5

Hence:

P(0.0014 < x < 0.0026)  = 0.86639

4 0
3 years ago
Please answer this if you know it ( you only have to answer the problem it’s asking)
neonofarm [45]

9514 1404 393

Answer:

  vertex: (-2, 4)

Step-by-step explanation:

Use your regression calculator to find the parameters of the quadratic model.

The vertex form equation is ...

  y = -3(x +2)^2 +4

so the vertex is (-2, 4).

__

The standard form equation is the expansion of the above:

  y = -3x^2 -12x -8

4 0
3 years ago
Please help and dont get it wrong! thank you =)))
Nataly [62]

Answer:

tanong mo sa may mga nakaka alam niyan para walang mali, thanks

5 0
2 years ago
3/2 (6 - 18x) &gt; 12<br> Solve
Ivanshal [37]

Answer:

x is less than 1/9

Step-by-step explanation:

Distribute the 3/2 to the (6-18x), which gives you 9-27x is greater than 12. Subtract the 9 over, which gives you -27x is greater than 3. Divide both sides by -27, but when you divide by a negative, you have to flip the sign, so finally, you get x is less than 1/9.

8 0
3 years ago
Which is the graph of y= [X] - 2?
Vera_Pavlovna [14]

Answer:

The third one from left

8 0
3 years ago
Read 2 more answers
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