When rolling a number cube what is the probability of rolling a number greater than 5?

Mathematics

1 answer:

pav-90 [236]4 years ago

7 0

Answer:

⅙

Step-by-step explanation:

On a dice, only number greater than 5 is '6'.

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Solve for x. 5(x – 10) = 30 – 15x

klio [65]

You can start by distributing the 5 to everything in the parenthesis.
5x-50=30-15x

Then get rid of your x values from one side, I chose to subtract 5x

-50 = 30 - 20x

Then subtract 30

-80=-20x
/-20
4=x

You can check by plugging your x into the equation to make sure it's right!

6 0

3 years ago

A red kangaroo jumps along at 40 km/h. At this rate how long would it take to jump 2 km?

LenKa [72]

The solution would be like this for this specific problem:

Given: 40 km/h

2 km

t = d / v
t = 2 km / 40 km/h
t = 0.05 h * 60 minutes = 3 minutes

<span>At this rate, it would take 3 minutes for the red kangaroo to jump 2 km.</span>

7 0

3 years ago

Given the figure below, find the values of x and z.

iragen [17]

Answer:

x=6 and z=107

Step-by-step explanation:

From the figure or diagram we can say that

z+15x-17=180 ---(1)

z+11x+7=180 ---(2)

Subtracting (1) and (2)

z+15x-17-(z+11x+7)=180-180

4x-24=0

4x=24

x=6

Substitute x=6 in (2)

z+11(6)+7=180

z+66+7=180

z=180-73

z=107

4 0

3 years ago

A bag contain 5 red marbles,4 green marbles and 1 blue marble. A marble is chosen at random from the bag and not replaced; then

jarptica [38.1K]

Answer:

$\frac{2}{15}$

Step-by-step explanation:

GIVEN: A bag contain $5$ red marbles, $4$ green marbles and $1$ blue marble. A marble is chosen at random from the bag and not replaced, then a second marble is chose.