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Rus_ich [418]
3 years ago
6

What is 949 rounded to the nearest ten and hu

Mathematics
2 answers:
skad [1K]3 years ago
8 0
950 because 49 is closer to 9
ANEK [815]3 years ago
5 0
The answer would be 950 because the 9 in 49 is closer to 10 sot it would be 950
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The same digits are used for the expressions 34and 43.Explain how to compare the values of the expressions. whoever answers corr
Norma-Jean [14]

(3x10) + (4x1) = 34

(4x10) + (3x1) = 43

There are three tens in 34 and 4 tens in 43, and there are 4 ones in 34 and 3 ones in 43

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3 years ago
Introducing a man, a woman said, “He is the only son of the mother of my mother." How is
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3 years ago
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The deciles of any distribution are the points that mark off the lowest 10% and the highest 10% of the distribution. the deciles
Levart [38]

(a) We need to figure out the deciles for a normal distribution curve in this part.

In order to do so, we need to find the z score corresponding to probability 0.10 and 0.90 on the normal distribution curve.

Upon looking at the normal distribution table, we can see that the probability P = 0.10 corresponds to a z score of -1.28 and probability P = 0.90 corresponds to a z score of 1.28.

Therefore, deciles are -1.28 and 1.28 for a normal distribution curve.

(b) In this part, we are given that mean height is 69.5 inches and standard deviation in height is 2.7 inches. Therefore, we can find the deciles using the z score formula as shown below:

z=\frac{x-\mu}{\sigma }\Rightarrow \pm 1.28=\frac{x-69.5}{2.7}\\
x-69.5 = \pm 3.456\Rightarrow x=69.5\pm 3.456\Rightarrow \\
x=66.044,72.956

Therefore, the required deciles are 66.044 and 72.956

7 0
3 years ago
Every 3 days William has to take medication for his back. Every 7 days he has to take medication for his asthma. On what day Wil
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On the 21st day; the 7th day of the back medication and the 3rd day of the asthma medication.
6 0
4 years ago
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the measure of the seven angles in a nonagon measure 138, 154, 145, 132, 128, 147 and 130. if the two remaining angles are equal
mars1129 [50]
A polygon is any figure sided with three sides and above such that triangle (3) is the smallest polygon. A nonagon is a polygon with 9 sides. To get the sum of interior angles of a polygon we use the formula;
(n-2) 180 or (n-4)90 where n is the number of sides.
Therefore, for a nonagon the sum of interior angles = (9-2) 180 = 1260 degrees
If we add all the angles we should get 1260, considering the remaining angles to be each x
Thus 138+154 +145 +132 +128 +147 +130 + x +x =1260
                             = 974 + 2x = 1260
                             = 2x = 286
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 therefore, each of the other angles was 143 
5 0
3 years ago
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