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baherus [9]
3 years ago
15

72=8×9 times as many

Mathematics
1 answer:
Alexeev081 [22]3 years ago
4 0

Answer:

9x8=72

Step-by-step explanation:

Your welcome

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What does b= in mathematics
ziro4ka [17]

bisector. Base. In geometry, the base of a shape is the side (usually the bottom) that forms a right (90 degree) angle with the height of the object. Biannual.

7 0
2 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
2 years ago
Help if you can -
yulyashka [42]

Answer:

1.875 commercials a minute

Step-by-step explanation:

4 0
2 years ago
Please help<br> 80 POINTS plus BRAINLIEST, THANKS AND 5 STAR
Molodets [167]

Answer:

Steps and solution in the attached picture.

Step-by-step explanation:

Steps and solution in the attached picture.

3 0
2 years ago
Maria has the following numbers of books in her collection.
Ket [755]

Answer:

The average goes up by 0.6.

Step-by-step explanation:

The average of the original data set, 6,6,7,8,9 is 7.2. The average of the new data set with 3 more cookbooks 6,7,8,9,9 is 7.8. Therefore it increases by 0.6, hope that makes sense :)

7 0
2 years ago
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