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USPshnik [31]
3 years ago
14

On Monday the temperature was -12 degrees. On Tuesday the temperature increased by 5 degrees. On Wednesday the temperature decre

ased by 2 degrees. On Thursday the temperature decreased by 10 degrees. What was the temperature at the end of the day?
Mathematics
1 answer:
Leto [7]3 years ago
7 0

Answer:

-19

Step-by-step explanation:

so i am not sure but maybe someone else will confirm it

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A shoe manufacturer collected data regarding men's shoe sizes and found that the distribution of sizes exactly fits the normal c
Lina20 [59]

Answer: 97.72%

Step-by-step explanation:

Given : A shoe manufacturer collected data regarding men's shoe sizes and found that the distribution of sizes exactly fits the normal curve.

Let x be the random variable that represents the shoe sizees.

Also, The population mean = \mu=11 ; Standard deviation: \sigma=1.5

Formula for z:-

z=\dfrac{x-\mu}{\sigma}

Put x= 8, we get

z=\dfrac{8-11}{1.5}=-2

Now, the probability that the male shoe sizes are greater than 8 :-

P(x>8)=P(z>-2)=1-P(z\leq-2)\\\\=1-0.0227501=0.9772499\approx0.9772

Hence, the percent of male shoe sizes are greater than 8 is 97.72%.

7 0
3 years ago
Jamey says she only has 30% of her book to go before she finishes it. she has read 147 pages so far
Lubov Fominskaja [6]
Let's just change your problem to 147 of 30% 

"Of" is always equaling to multiplication (×)

Now, it would be easier to simplify 

30% (147)
30% ÷ 100 = 0.3
0.3(147)
Now, we get to your answer which might be 44.1



4 0
3 years ago
R + 4 when r = 13 <br> Can u explain it
bogdanovich [222]

Answer: r + 4

Step-by-step explanation:

6 0
2 years ago
What operation do we use to solve unit rate?<br> FAST PLEASE
ivanzaharov [21]

Answer:

Step-by-step explanation:

Calculator Use

A unit rate is a rate with 1 in the denominator. If you have a rate, such as price per some number of items, and the quantity in the denominator is not 1, you can calculate unit rate or price per unit by completing the division operation: numerator divided by denominator.

6 0
3 years ago
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The sum of 4 times a number and 8 is between 0 and 12
Andreas93 [3]
I believe the number is -1
5 0
3 years ago
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