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galina1969 [7]
3 years ago
15

When rolling a fair dice numbered 1 to 6. what is the probabillity of getting a even number

Mathematics
2 answers:
Alex Ar [27]3 years ago
8 0
There are 6 possible outcomes, and 3 favourable events (3 even numbers - 2,4,6)

The probability is \dfrac{3}{6}=\dfrac{1}{2}
Irina18 [472]3 years ago
5 0

Answer:

<h3>1/2</h3>

Step-by-step explanation:

There is 3 even numbers in numbers 1 to 6

And the total is 6, so it's 3/6 which is equal to 1/2

Hope it helps =)

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The work of a student to find the dimensions of a rectangle of area 8 + 12x and width 4 is shown below:
iogann1982 [59]

Answer:

Step 2: 4(2) + 4(3x)

Step-by-step explanation:

By definition, the area of a rectangle is given by:

Area = Length × Width

In this case, we know that:

Area = 8 + 12x

Width = 4

Therefore:

Step 1: 8 + 12x

Step 2: 4(2) + (4)(3x)

Step 3: 4(2 + 3x)

Therefore, the dimensions of the rectangle are 4 and 2 + 3x.

The mistake was made in STEP 2. Instead of 4(2) + 4(x2) it should be  4(2) + 4(3x). Which is the second option.

5 0
3 years ago
What is the domain of f(x)=(1/4)^x?
atroni [7]

\huge \bf༆ Answer ༄

The domain of given function is <u>All real numbers</u>

\sf \: f(x) = { \bigg( \dfrac{1}{4}  \bigg) }^{x}

For each value of x the function is defined.

Example -

  • For x = 1

The value is \sf\frac{1}{4}

  • For x = -1

The value is 4

꧁  \:  \large \frak{Eternal \:  Being } \: ꧂

3 0
2 years ago
In Mrs Phillips math class the ratio of boys to girls is 4 to 2. If there are 51 girls in math class, how many boys are there?
maksim [4K]
So for every two girls, there's four boys. There are twice as many boys than girls, so the number of girls • 2 = your answer.

51 • 2 = 102
7 0
3 years ago
A sphere has a diameter of 14 ft. Which equation finds the volume of the sphere?
aev [14]

Answer:

The volume of the sphere is 1436 in³

The equation is    

V = ⁴⁄₃ * 3.14 * (7ft)³

Step-by-step explanation:

radius = half of diameter

d = 14ft

r = 14ft / 2 = 7ft

To calculate the volume of a sphere we have to use the following formula:

V = volume

r = radius  = 7ft

π = 3.14

V = ⁴⁄₃πr³

we replace with the known values

V = ⁴⁄₃ * 3.14 * (7ft)³

V = 4.187 * 343 in³

V = 1436 in³

The volume of the sphere is 1436 in³

6 0
3 years ago
Write expressions that represent the horizontal and vertical side lengths of the triangle.
lisov135 [29]

Answer: 9.5, 7

9.5 , 8.5

Step-by-step explanation:

5 0
3 years ago
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