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Evgen [1.6K]
2 years ago
7

......bbc............ 9+1=?

Mathematics
2 answers:
olga nikolaevna [1]2 years ago
5 0

Answer:

Step-by-step explanation:

its 8655

Brrunno [24]2 years ago
4 0

Answer:

9+1 = (((9+1)^2)/2))) - 40

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Dakota earned ?$4.50 in interest in Account A and ?$18.00 in interest in Account B after 18 months. If the simple interest rate
jeka94

Answer:

6

Step-by-step explanation:


7 0
3 years ago
How to solve 4p^2-48p+128
xxTIMURxx [149]

Step-by-step explanation:

4p^2 - 48p + 128

use calculator

7 0
3 years ago
Well's College in New York was previously an all girls school. In 2005, the college began to allow boys to enroll. By 2012, the
kogti [31]

Answer: 150 boys

Step-by-step explanation:

Let the number of boys be x

Since there were 200 more girls than boys, the number of girls will be: = x + 200

Since the ratio of boys to girls was 3:7, this can be solved further below:

3/7 = x/x+200

Cross multiply

(7 × x) = 3(x + 200)

7x = 3x + 600

7x - 3x = 600

4x = 600

x = 600/4

x = 150

The number of boys enrolled is 150

Number of Girls will be:

= X + 200

= 150 + 200

= 350

Check: Number of boys / Number of girls

= 150/350

= 3/7

= 3:7

7 0
2 years ago
Raise c to the 3rd power, then triple the result
777dan777 [17]

Step-by-step explanation:

<u>Raise c to the 3rd power:</u>

{c}^{3}

<u>Triple the amount</u><u> </u><u>(</u><u>Multiply</u><u> </u><u>by</u><u> </u><u>3</u><u>)</u><u>:</u>

3( {c}^{3} )

5 0
2 years ago
A survey found that​ women's heights are normally distributed with mean 63.7 . And standard deviation 3.7 . The survey also foun
san4es73 [151]

Complete question :

A survey found that women's heights are normally distributed with mean 63.6 in and standard deviation 3.7 in. The survey also found that men's heights are normally distributed with mean 69.3 in and standard deviation 3.7 in. Consider an executive jet that seats six with a doorway height of 55.7 in.

1-What percentage of adult men can fit through the door without bending?

2-) Does the door design with a height of 56.35in. appear to be adequate? Why didn't the engineers design a larger door? Choose answer below

A. The door design is inadequate, because every person needs to be able to get into the aircraft without bending. There is no reason why this should not be implemented.

B. The door design is adequate, because the majority of people will be able to fit without bending. Thus, a larger door is not needed.

C. The door design is inadequate, but because the jet is relatively small and seats only six people, a much higher door would require major changes in the design and cost of the jet, making a larger height not practical.

D. The door design is adequate, because although many men will not be able to fit without bending, most women will be able to fit without bending. Thus, a larger door is not needed.

Answer:

A.) 0.135%

B.) C. The door design is inadequate, but because the jet is relatively small and seats only six people, a much higher door would require major changes in the design and cost of the jet, making a larger height not practical.

C.)

Step-by-step explanation:

Percentage of adult men that can fit the door without bending :

Obtain the Zscore :

Mean height of men, m = 67.5

Standard deviation, s = 3.7

Zscore = (x - m) / s ; where x = 56.4

Zscore = (56.4 - 67.5) / 3.7

Zscore = - 11.1 / 3.7

Zscore = - 3

P(Z < - 3) = 0.0013499 (Z probability calculator)

P(Z < - 3) = 0.0013499 * 100% = 0.13499%

8 0
3 years ago
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