What is the probability of flipping two tails and rolling an even number

Mathematics

2 answers:

Sergeeva-Olga [200]3 years ago

8 0

Two tails on two coins, 1/4 chance
An even number on a die 3/6 or if simplified, 1/2.

dangina [55]3 years ago

4 0

The other answer is correct if these are separate tasks. However, if you need to flip two tails and roll an even as the question states you need to multiply the probabilities together.
It is 1/2 to flip a tail and we have that twice and 1/2 to roll an even and we have that once so the formula is

1/2 * 1/2* 1/2 = 1/8

The probability of doing all three things together is 1/8

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Carol is ordering t-shirts for her club and there are two different patterns to choose from. The first shirt is green and blue s

noname [10]

Answer:

14 Striped and 10 Flowered

Step-by-step explanation:

This can best be determined using a set of linear equations that are solved simultaneously.

This pair of linear equations may be solved simultaneously by using the elimination method. This will involve ensuring that the coefficient of one of the unknown variables is the same in both equations. It may be solved by substitution in that one of the variable is made the subject of the equation and the result is substituted into the second equation

Given that the green and blue striped shirt is $15 and the white with purple flowers is $13. She needs to order 24 shirts and has a total of $340 to spend, let the number of striped shirts be g and that of flowered be h then,

g + h = 24 and

15g + 13h = 340

g = 24 - h

15(24 - h) + 13h = 340

360 - 15h + 13h = 340

2h = 20

h = 10

g = 24 - h

g = 24 - 10

= 14

4 0

3 years ago

Need help please I’m begging yeah.

Simora [160]

Answer: The answer is B.

4 0

3 years ago

Help please! I’m giving brainliest to however gets this question right.

Arisa [49]

Answer:

They both have area 4

Step-by-step explanation:

Area of the square:

$base*height = 2 * 2 = 4$

Area of the triangle:

Using the left-side of the triangle as the base, and the height from the left-side to the bottom-right corner:

$\frac{1}{2}base*height$

$\frac{1}{2}4\sqrt2*\sqrt2=4$

We know the length of the diagonal is $\sqrt2$ as we are using a centimetre grid, so we can create an isosceles triangle with side lengths 1 and our unknown length, we can then use Pythagorean Theorem to work out our unknown side length.