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umka2103 [35]
2 years ago
14

Which fraction is not equivalent to 4/9? *

Mathematics
1 answer:
KiRa [710]2 years ago
4 0

Answer:

8/18

Step-by-step explanation:

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3 years ago
The average summer temperature in Anchorage is 69°F. If the daily temperature is normally distributed with a standard deviation
mafiozo [28]

Answer:

81.85%

Step-by-step explanation:

Given :

The average summer temperature in Anchorage is 69°F.

The daily temperature is normally distributed with a standard deviation of 7°F .

To Find:What percentage of the time would the temperature be between 55°F and 76°F?

Solution:

Mean = \mu = 69

Standard deviation = \sigma = 7

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

Now At x = 55

z=\frac{55-69}{7}

z=-2

At x = 76

z=\frac{76-69}{7}

z=1

Now to find P(55<z<76)

P(2<z<-1)=P(z<2)-P(z>-1)

Using z table :

P(2<z<-1)=P(z<2)-P(z>-1)=0.9772-0.1587=0.8185

Now percentage of the time would the temperature be between 55°F and 76°F = 0.8185 \times 100 = 81.85\%

Hence If the daily temperature is normally distributed with a standard deviation of 7°F, 81.85% of the time would the temperature be between 55°F and 76°F.

7 0
3 years ago
The number of shelves, s, in a bookcase and the number of books, b, the bookcase can hold<br>​
Fiesta28 [93]

Answer:

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Step-by-step explanation:

5 0
2 years ago
(05.02 LC)<br> Which equation does the graph below represent?
NISA [10]

Answer:

I think y= -1/3x

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Step-by-step explanation:

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3 years ago
Please help with triangles in a pic.
GenaCL600 [577]
The 3 angles of a triangle have to add up to 180 degrees.  Since we are given 2 of the angles, all we have to do is add them up and then subtract from 180 to get the 3rd.

112 + 41 = 153
180 - 153 = 27

Angle 2 = 27 degrees.
8 0
3 years ago
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