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kkurt [141]
3 years ago
6

During a recent rainstorm, 8 88 centimeters of rain fell in Dubaku's hometown, and 2.36 2.362, point, 36 centimeters of rain fel

l in Elliot's hometown. During the same storm, 15.19 15.1915, point, 19 centimeters of snow fell in Alperen's hometown.
Mathematics
1 answer:
ehidna [41]3 years ago
4 0

Question is Incomplete; Complete question is given below;

During a recent rainstorm, 8 centimeters of rain fell in Dubaku's hometown, and 2.36 centimeters of rain fell in Elliot's hometown. During the same storm, 15.19 centimeters of snow fell in Alperen's hometown. How much more rain fell in Dubaku's town than in Elliot's town?

Answer:

The rain fell 5.64 cm more in Dubaku's town than in Elliot's town.

Step-by-step explanation:

Given:

rain fell in Dubaku's hometown = 8 cm

rain fell in Elliot's hometown = 2.36 cm

snow fell in Alperen's hometown = 15.19cm

We need to find how much more rain fell in Dubaku's town than in Elliot's town.

Solution:

Now we can say that;

to find how much more rain fell in Dubaku's town than in Elliot's town we will subtract rain fell in Elliot's hometown from rain fell in Dubaku's hometown.

framing in equation form we get;

Amount of rain fell more in  Dubaku's town than in Elliot's town = 8-2.36 = 5.64\ cm

Hence The rain fell 5.64 cm more in Dubaku's town than in Elliot's town.

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Fynjy0 [20]

Answer:

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Step-by-step explanation:

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3 years ago
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LenaWriter [7]

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Step-by-step explanation:

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6 0
3 years ago
What are the solutions to the equation?<br> 7x^3=28x
11Alexandr11 [23.1K]

7x³ = 28x is our equation. We want its solutions.

When you have x and different powers, set the whole thing equal to zero.

7x³ = 28x

7x³ - 28x = 0

Now notice there's a common x in both terms. Let's factor it out.

x (7x² - 28) = 0

As 7 is a factor of 7 and 28, it too can be factored out.

x (7) (x² - 4) = 0

We can further factor x² - 4. We want a pair of numbers that multiply to 4 and whose sum is zero. The pairs are 1 and 4, 2 and 2. If we add 2 and -2 we get zero.

x (7) (x - 2) (x + 2) = 0

Now we use the Zero Product Property - if some product multiplies to zero, so do its pieces.

x = 0        -----> so x = 0

7 = 0       -----> no solution

x - 2 = 0   ----> so x = 2   after adding 2 to both sides

x + 2 = 0  ---> so = x - 2  after subtracting 2 to both sides


Thus the solutions are x = 0, x = 2, x = -2.

6 0
2 years ago
Calculate the sample standard deviation of data from Question 1<br> 76,45,64,80,92
mash [69]

Answer:

S.D = 15.98

Step-by-step explanation:

Given: 76,45,64,80,92

Required: Determine the standard deviation

We start by calculating the mean

Mean = \frac {\sum x}{n}

Where x-> 76,45,64,80,92 and n = 5

Mean = \frac {76+45+64+80+92}{5}

Mean = \frac{357}{5}

Mean = 71.4

Subtract Mean (71.4) from each of the given data

76 - 71.4 = 4.6\\45 - 71.4 = -26.5\\64 - 71.4 = -7.4\\80 - 71.4 = 8.6\\92 - 71.4 = 20.6

Determine the absolute value of the above result

|4.6| = 4.6\\|-26.5| = 26.5\\|-7.4| = 7.4\\|8.6| = 8.6\\|20.6| = 20.6

Square Individual Result

4.6^2 = 21.16 \\26.5^2 = 702.25\\7.4^2 = 54.76\\8.6^2 = 73.96\\20.6^2 = 424.36

Calculate the mean of the above result to give the variance

Mean = \frac {\sum x}{n}

Mean = \frac{21.16 + 702.25 + 54.76 + 73.96 + 424.36}{5}\\Mean = \frac{1276.49}{5}\\Mean = 255.298

Hence, Variance = 255.298

Standard Deviation is calculated by \sqrt{Var}

SD = \sqrt{255.298}

S.D = 15.9780474402

S.D = 15.98 (Approximated)

6 0
3 years ago
Help me please I think you have to find the area
abruzzese [7]

Answer:

I got B) ; 54m2

Step-by-step explanation:

the above diagram is a trapezium.

the area is gotten by; 1/2 (a+b)h

a = shortest side.

b = the longer side that is directly opposite to (a).

h = height.

1/2(3 + 9)9

1/2 by 12 by 9

to get 54

8 0
3 years ago
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