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lara31 [8.8K]
3 years ago
13

A number added to five is the same as twice the number. find the number

Mathematics
1 answer:
Bas_tet [7]3 years ago
6 0
Let the number be h
(h+5)=2h
h+5=2h
2h-h=5
h=5
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Here is another easy question to answer: What is the mean of the data sets {41,19,29,12,49,30}, {28,22,10,30,15}, {49,24,18,53,3
Grace [21]

Answer:

Data set A {41,19,29,12,49,30} = 30

Data set B {28,22,10,30,15} = 21

Data set C{49,24,18,53,38} = 36.4

Step-by-step explanation:

Data set A {41,19,29,12,49,30} =

Mean = Sum of terms/ number of terms

Number of term = 6

Mean = 41 + 19 + 29 + 12 + 49 + 30/ 6

= 180/6 = 30

Data set B {28,22,10,30,15} =

Mean = Sum of terms/ number of terms

Number of term = 5

Mean = 28 + 22 + 10 + 30 + 15/ 5

= 105/5 = 21

Data set C{49,24,18,53,38} =

Mean = Sum of terms/ number of terms

Number of term = 5

Mean =49 + 24 + 18 + 53 + 38/ 5

= 182/5 = 36.4

7 0
3 years ago
A triangle has vertices on a coordinate grid at N (7,3), 0(-8, -3), and
Leokris [45]

Answer:

d\approx 16.16\ units

Step-by-step explanation:

<u>Distance Between two Points in the Plane</u>

Given two points A(x,y) and B(w,z), the distance between them is:

d=\sqrt{(z-y)^2+(w-x)^2}

The triangle formed by the points N (7,3), 0(-8, -3), and  P(-8,-8) is shown in the image provided.

We are required to find the distance between N and O:

d=\sqrt{(-3-3)^2+(-8-7)^2}

d=\sqrt{(-6)^2+(-15)^2}

d=\sqrt{36+225}

d=\sqrt{261}

Since 261=9*29:

d=3\sqrt{29}

\mathbf{d\approx 16.16\ units}

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