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VMariaS [17]
3 years ago
11

What are the subsets of the set {7, 8, 9}?

Mathematics
1 answer:
torisob [31]3 years ago
7 0
The subsets of {7,8,9} are:
∅
{7}
{8}
{9}
{7,8}
{7,9}
{8,9}
{7,8,9}.
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What is the length of x?
Marat540 [252]

Answer:

The length of 'x' is 4

Step-by-step explanation:

We can use the pythagorean theorem to solve this.

The pythagorean theorem is:

a ^{2}  + b^{2}  =  {c}^{2}

a ^{2}  + b^{2} =  c^{2}  \\  {3}^{2}  +  {b}^{2}  = 5^{2}  \\ 9 +   {b}^{2}  = 25 \\  \frac{ - 9 \:  \:  \:  \:  \:  \:  \:  \:  =  - 9}{b ^{2}  =  \sqrt{16} }  \\ b = 4

Therefore x = 4

8 0
3 years ago
Please help me with this assignment ASAP!!! I only partially understand, so please explain. Also it's a work sample.
Rudiy27
To find the answer, we can first find the distance each of them have, then divide it by their speed to find the time needed.

Distance Steve need to travel: 300 feet
Distance Paula need to travel:
300+175(behind steve) = 475 feet

Time needed respectively:

Steve: 300 ÷ 9 = 33.33.. seconds
Paula: 475 ÷ 15 = 31.66... seconds

As we can see from the result, Paula would take less time to reach the goal (31.66<33.33),
therefore, Paula win the bike race by:

33.33-31.67
=1.66...
≈1.67 feet

Thus Paula won by 1.67 feet.

Hope it helps!
5 0
3 years ago
I think of a number I multiply it by 2,add 50 and my answer is 74 what was my number
alisha [4.7K]
74-50 is 24. 24/2 is 12. your number was 12.
6 0
3 years ago
Read 2 more answers
What's the answer for 0.63
aleksandr82 [10.1K]
What answer are you looking for percents,fraction form, etc ?
6 0
3 years ago
Question 15 (5 points)
serg [7]

Answer:

You need to attach the pictures and ask again.

Step-by-step explanation:

I cannot see any attachments.

8 0
2 years ago
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