All categories

2 years ago

If A=5,6,7,8,9 and B=prime numbers what is A n B?

Mathematics

1 answer:

lana66690 [7]2 years ago

8 0

A n B are all prime numbers in the set A.
So, the answer is:
A n B = 5,7

You might be interested in

WILL GIVE BRAINLIEST<br> sketch the graph of the following equation: y=|4-3x|

Firdavs [7]

Answer:

attached

Step-by-step explanation:

y=|4-3x| y: positive number

4 0

2 years ago

Quadrilateral ABCD has vertices at: A(0,7),B(10,9),C(12,-1),D(2,-3)

Svetach [21]

Answer: the answer is c

Step-by-step explanation:

your welcome

7 0

3 years ago

consider there are three machines. All of the machines can produce 1000 pins at a time. Therate of producing a faulty pin from M

blondinia [14]

Answer:

0.03333

Step-by-step explanation:

Given that there are three machines. All of the machines can produce 1000 pins at a time.

Chance for any machine is thus equaly likely = 1/3

The rate of producing a faulty pin from Machine 1 be 10%, from Machine 2 be 20% andfrom Machine3 be 5%.

Machine I II III total

Faulty 0.10 0.20 0.05

Prob 0.3333 0.3333 0.3334 1

Faulty*prob 0.03333 0.06666 0.16665 0.26664

Thus probability that a produced pin will be faulty and it will be from the firstmachine

= 0.03333

6 0

2 years ago

In this triangle, what is the value of x?

nalin [4]

Answer: $x=56.5\ km$

Step-by-step explanation:

Given the right triangle in the image, you need to remember the following identity:

$cos\alpha=\frac{adjacent}{hypotenuse}$

Observe the triangle. You can identify that:

$\alpha=28\°\\adjacent=x\\hypotenuse=64$

Then, knowing these values, you can substitute them into $cos\alpha=\frac{adjacent}{hypotenuse}$ :

$cos(28\°)=\frac{x}{64}$

Finally, you have to solve for "x".

Therefore, the value of "x" rounded to the nearest tenth is:

$64*cos(28\°)=x\\x=56.5\ km$

8 0

2 years ago

Pls help it due ASAP and show workings

Effectus [21]

Answer:

it's 70°

Step-by-step explanation:

well first by vertical angles we know that

$\angle BAC = \angle DAE\\\\\angle DAE = 4x+6$ ( I don't know how to put the symbol xd)

and given we know that

$\angle EAF = \angle EAD = 4x+6$

solving for x

we know that

$\angle CAD = 180\\\\\angle CAB + \angle ABD = 180\\\\4x+6+6x+14=180\\\\10x+20=180\\\\10x=160\\\\x=16$

and now for $\angle EAF$

$\angle EAF = 4x+6\\\\\angle EAF = 4(16)+6\\\\\angle EAF = 64+6\\\\\angle EAF = 70$

7 0

3 years ago