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3 years ago

Are all integers rational numbers?

Mathematics

2 answers:

tino4ka555 [31]3 years ago

8 0

Answer:

yes

Step-by-step explanation:

all integers can be formed from the division of two other whole numbers.

Tcecarenko [31]3 years ago

4 0

Answer:

yes all integers are rational numbers

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If 9x x 3x+1 = 2187, what is the value of x?

Snezhnost [94]

Answer:

x = 80.96

Step-by-step explanation:

9x * 3x +1 = 2187

27x +1 = 2187

27x = 2187-1

27x = 2186

x = 2186/27 = 80.96(2dp)

7 0

3 years ago

The soccer team played 7 games and scored the following number goals in each game: 2, 1, 3, 5, 3, 1, 4. What was the median numb

soldi70 [24.7K]

Hey there!

Median number :-

Given numbers are

2,1,3,5,3,1,4

Arranging in ascending order,

1,1,2,3,3,4,5

Median = 3

Hope this helps :)

6 0

2 years ago

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3 The volume of a cube is 8 ft}. What is the length of each edge of the cube?

Sliva [168]

Answer: 2

Formula for cube is x^3 = 8
2^3 = 8

3 0

3 years ago

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Determine the equation of the circle graphed below. ( please help me )

Brums [2.3K]

Answer:

$Equation : \\(x+3)^2 + ( y -2)^2 = 36$

Step-by-step explanation:

For standard form the circle's equation we need the centre of the circle and the radius.

Step 1: Find the centre

If the centre is not given find the end points of the diameter

and then find the mid point.

Let the end points of the diameter be : ( - 3 , 8 ) and ( -3 , -4 )

The mid-point of the diameter is :

$Mid-point = (\frac{-3 + - 3}{2}, \frac{-4+8}{2}) = (-3, 2)$

Therefore, centre of the circle = ( -3 , 2 )

Step 2 : Find radius

$Radius = \frac{Diameter }{2}$

Diameter is the distance between the end points ( -3 , 8) and ( -3 , -4 )

That is ,

$Diameter = \sqrt{(-3-(-3))^2 + ( -4 -8)^2}\\$

$= \sqrt{(-3 + 3)^2 + (-12)^2}\\\\=\sqrt{0 + 144}\\\\=12$

Therefore ,

$Radius = \frac{12}{2} = 6$

Step 3 : Equation of the circle

Standard equation of the circle with centre ( h ,k )

and radius ,r is :

$(x - h)^2+(y -k)^2 = r^2$

Therefore, the equation of the circle with centre ( -3, 2)

and radius = 6 is :

$(x - (-3))^2 + (y - 2)^2 = 6^2\\\\(x + 3)^2 + (y - 2)^2 = 36$

5 0

3 years ago

Help please!

bezimeni [28]

9 cups, 2 1/4= 2.25, 2.25 times 4 equals 9

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