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S_A_V [24]
3 years ago
12

Help pls OOOFFIES AND ASAP

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
5 0

Answer:

it is

Step-by-step explanation:

0.75. or that's at least what Google told me

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Weights of the vegetables in a field are normally distributed. From a sample Carl Cornfield determines the mean weight of a box
pantera1 [17]
To find the z-score for a weight of 196 oz., use

z=\frac{x-\mu}{\sigma}=\frac{196-180}{8}=\frac{16}{8}=2

A table for the cumulative distribution function for the normal distribution (see picture) gives the area 0.9772 BELOW the z-score z = 2.  Carl is wondering about the percentage of boxes with weights ABOVE z = 2.  The total area under the normal curve is 1, so subtract .9772 from 1.0000.

1.0000 - .9772 = 0.0228, so about 2.3% of the boxes will weigh more than 196 oz.

7 0
3 years ago
Use the remainder theorem to find P (-3) for P (x) = x to the power of 4 + 4x to the power of 3 - 3x - 7
Nastasia [14]

Answer:

3, 4, 8

Step-by-step explanation:

5 0
3 years ago
By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases
FinnZ [79.3K]

Answer:

2%

Step-by-step explanation:

Let x be the first number

It increases by 70 %

The new number is

m = x+ .70x

   = 1.7x

Let y be the second number

It decreases by 40 %

The new number is

n =y - .40 y

  = .6y


The product of the original numbers is xy

The product of the new number is

mn = (1.7x * .6y) = 1.02xy

The new number is larger than the old number so it is an increase.

Percent increase is  new - original divided by original  times 100%

Percent increase = (1.02 xy - xy)

                                -----------------  * 100%

                                 xy  

                           = .02 xy

                                ------- * 100 %

                                 xy  

                            = .02 * 100 %

                             = 2%



5 0
3 years ago
The edge of the square is 33 cm.
Aleks [24]

Answer:

46.6

Step-by-step explanation:

{x}^{2}  =  {33}^{2}  +  {33}^{2}  \\ x =  \sqrt{2178}  \\ x = 46.6 \: cm

4 0
2 years ago
The scale of a model airplane is 1:72.
ExtremeBDS [4]
The actual wingspan of the airplane would be 504 which isn't an answer but maybe you just typed A. in incorrectly <span />
4 0
3 years ago
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