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Otrada [13]
3 years ago
13

What is the percentage difference between 50 and 45

Mathematics
1 answer:
Vinil7 [7]3 years ago
6 0
45 is 90 percent of 50. / / / 50 is (111 and 1/9) percent of 45.
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Daily low temperatures in Columbus, OH in January 2014 were approximately normally distributed with a mean of 15.45 and a standa
Alona [7]

Answer: 12.10

Step-by-step explanation:

Given : Mean : \mu = 15.45

Standard deviation : \sigma = 13.70

The formula to calculate the z-score :-

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

For x= 5 degrees

z=\dfrac{5-15.45}{13.70}=-0.7627737226\approx-0.76

For x= 10 degrees

z=\dfrac{10-15.45}{13.70}=-0.397810218\approx-0.40

The P-value : P(-0.76

=0.3445783-0.2236273=0.120951\approx0.1210

In percent , 0.1210\times100=12.10\%

Hence, the percentage of days had a low temperature between 5 degrees and 10 degrees = 12.10%

5 0
3 years ago
Which statement about inequalities is NOT true?
Anvisha [2.4K]

Answer:

D is incorrect and not true.

Step-by-step explanation:

if b is greater than a, a can't be greater than b.

3 0
3 years ago
What is 3 1/6 + 2 5/6
Feliz [49]

The answer you are looking for is 6.

To find this answer, you first add 1/6 and 5/6. Adding them together will give you 6/6 or 1. Next, you add all the whole numbers together. 3 + 2 + 1 = 6. Thus making 6 your answer.

I hope this helps!

4 0
3 years ago
Read 2 more answers
Evaluate it..........​
trasher [3.6K]

Answer:

the answer is \frac{1}{41} (23x-2ln(5sinx+4cosx))

Step-by-step explanation:

\int {\frac{3sinx+2cosx}{5sinx+4cosx} } \, dx

here,

a=3, b=2, c=5, d=4

M=\frac{ac+bd}{c^2+d^2 }=\frac{3*5+2*4}{5^2+4^2}=\frac{23}{41}

N=\frac{bc-ad}{c^2+d^2 }=\frac{2*5-3*4}{5^2+4^2}=\frac{-2}{41}

\int {\frac{3sinx+2cosx}{5sinx+4cosx} } \, dx=\int{\frac{\frac{23}{41}(5sinx+4cosx)-\frac{2}{41}(5cosx-4sinx)  }{5sinx+4cosx} }\,dx

=\frac{23}{41}\int\, dx -\frac{2}{41} \int{\frac{5cosx-4sinx}{5sinx+4cosx} }\, dx

=\frac{1}{41} (23x-2ln(5sinx+4cosx))

pls mark it as the brainliest

5 0
3 years ago
Please answer my this
kap26 [50]

perimeter: 16\sqrt{5}

multiply it by 4 (since it's a square)

area: 80

it's a square so all you need to do is multiply it by itself

4 x \sqrt{5}

16 x 5 (squared them)

80

3 0
3 years ago
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