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AysviL [449]
3 years ago
13

The intersection of any two disjoint sets is a null set. Justify your answer.​

Mathematics
1 answer:
Ne4ueva [31]3 years ago
8 0

Answer:

Yes The intersection of any two disjoint sets is a null set

if two sets do not have any common element  then their intersection does not have any element Therefore its intersection is a null set

Step-by-step explanation:

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You choose two different movies on a list at random. Out of 15 movies on the list, 9 are action movies. The first movie you choo
docker41 [41]

Answer:

the probability is 8/15 depending on whether the problem counts the drawing one out of the bag as one gone. Leaving the first one drawn, the probability would be 3/5.

Step-by-step explanation:

number of action movies/total number of movies= 9/15=3/5

3/5 is the probability of drawing an action movie from the bag. However, since you just drew one out, the fraction changes to 8/15.

5 0
3 years ago
Find the equation of the line :
Llana [10]
Y=1x+(-5) because the y-intercept is negative 5 and that is going to be the B value. Because anything that multiplies with zero equals zero so when you input 0 for x the b value would always be the y-intercept.
8 0
3 years ago
Read 2 more answers
Manny took a math test. The test started at 12:53 PM, and ended at 1:23 PM. how long did his test last?
liraira [26]

Answer:

Step-by-step explanation:

the test lasted :

23 minutes+7=  30 min

12z;53 =7 min will be 1 pm

8 0
3 years ago
A chest is filled with toy blocks. Each block has a volume of 1 cubic foot. Twenty-five blocks fit in the bottom of the chest an
Mice21 [21]

Answer:

The correct answer is 75 cubic feet.

Step-by-step explanation:

Volume of each block of cube is 1 cubic foot. Since the block is of the shape of a cube, the side length is 1 foot.

Number of blocks needed to fill the bottom of the the chest is 25.

Height of the chest is 3 feet.

Therefore there are three layers to be filled by blocks. Each layer needs 25 blocks each. Thus number of blocks needed to fill the whole chest is 25 × 3 = 75.

Volume of 75 blocks = Volume of the chest = 75 × 1 = 75 cubic feet.

Therefor the volume of the chest is given by 75 cubic feet.

5 0
4 years ago
A sales associate in a department store earns a commission on each suit and each pair of shoes sold. One week, she earned $47 in
ahrayia [7]
For this one you have to make the equations. And what I like to do is write it out, like this.One Week- $473 suits 1 shoes (pairs)
Another Week- $1077 suits 2 shoes (pairs)
Then I make/choose my variables.For suits, it's going to be x.And For shoes let's do y.(Or if you would like better you can do x and y, which ever works best for you)
Now for the equations:One Week,   47= 3x +1yAnother Week,   107= 7x + 2y
Now it's time for the Substitution! Your last problem had it easier because it was already in the form, y=mx+b, but since ours aren't we have to change it to y=mx+b.
One Week,  -0.33y + 15.67 =x Another Week,  -0.29y + 15.29 =x
Now you can use substitution. :)For y i got 9.5 or 9.50.For x, i got 12.34
So the answer is (9.5,12.34) or (12.34, 9.5)
8 0
3 years ago
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