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SCORPION-xisa [38]
3 years ago
11

1.The sum of four consecutive whole numbers is 54. What are the four numbers?

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
8 0
2 answer Let x be weight of the baby 142=78+69-2x 142=147-2x 147-142 =2x 5=2x 2.5 = x
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What is the exponential notation for 262,144
7nadin3 [17]

since there is always a decimal at the end of every value so :

           = 262144.0 

        you move the decimal backwards if there is no decimal between the value. you place the decimal after the 1st digit, you will also count the digits you have passed : 

         = 2.62144 X 10^5 

you passed 5 values so you put 5 in exponent form.


7 0
3 years ago
Read 2 more answers
During a rock concert, the noise level (in decibels) in front row seats has a mean of 92 dB with a standard deviation of 9 dg_ W
rodikova [14]

Answer:

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

Step-by-step explanation:

When we do not know the shape of the distribution, we use the Chebyshev's Theorem to find the minimum percentage of a measure within k standard deviations of the mean.

This percentage is:

p = 1 - \frac{1}{k^{2}}

Within 8 standard deviations of the mean

This means that k = 8. So

p = 1 - \frac{1}{8^{2}} = 1 - \frac{1}{64} = \frac{64 - 1}{64} = \frac{63}{64} = 0.9844

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

6 0
3 years ago
In the figure, a ll e, m ll n, and m 3 = 112 degrees <br><br> What is the m 1 ?
Readme [11.4K]

Answer:

∠1 = 112°

Step-by-step explanation:

∠2 = ∠3 = 112° ( corresponding angles )

∠1 = ∠2 = 112° ( vertically opposite angles )

6 0
3 years ago
In kite WXYZ, the measure of x=z=86° and y=72°<br><br><br>What is the measure of w?
Anna [14]
W=166 degrees

okay so the total measure of the angles should be 360 so you gotta do 86+86+72+w=360
86+86+72=244
360-244=116
8 0
3 years ago
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You have a combination lock with 3 secret digits. Find the 3 correct digits using the following clues and enter your answer belo
zalisa [80]

Answer:

184

Step-by-step explanation:

in the number 128 the number eight is right it should be to the right then in the number157 one is right it should be to the left in 841 8and 1 are in the wrong position 8 - right 1 - left then in the number 624 the number 4 is right but in the wrong position it should be in the middle the answer is digit 1,8,4

3 0
2 years ago
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