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Leya [2.2K]
3 years ago
12

What is the simplified form of (6^2+ 4) - 15?

Mathematics
1 answer:
TEA [102]3 years ago
6 0

Answer:

25

Step-by-step explanation:

(6^2+4)−15

(36+4)−15

40−15

25

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A restaurant has 60 tables. The graph shows the average number of tables occupied during each day of the week. During which day
Naddika [18.5K]

Answer: Saturday

Step-by-step explanation:

Saturday is at the highest point meaning it has less empty tables

8 0
2 years ago
Read the following statement. It is cloudy outside. What is the first step of indirectly proving this statement?
EleoNora [17]
Assume if it is cloudy, then you are outside.
5 0
2 years ago
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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
Find the area for all of these numbers
qwelly [4]
answer : 29
………………….
6 0
2 years ago
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Simplify.<br><br> 8u+9v+3u−5v<br><br> What is the answer?
pochemuha

8u + 9v + 3u - 5v = (8u + 3u) + (9v - 5v) = 11u + 4v

8 0
3 years ago
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