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Temka [501]
1 year ago
9

Decide whether it’s a Function or not

Mathematics
1 answer:
cupoosta [38]1 year ago
8 0
1=function
2=not function
3=not function
4=function
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there are 7 boys and girls in a club. How many different ways to form a queue starting with a girl after each girl?
Soloha48 [4]

Answer:

7 girls can go in the first place, 6 in the second, etc.

7! ways is the number of ways to arrange the girls.

likewise the boys can be arranged in 7! ways

The total number of ways becomes 7! * 7!

7! * 7! = 25,401 600 ways

8 0
2 years ago
One hose can fill a small swimming pool in 65 minutes. A larger hose can fill the pool in 35 minutes. How long will it take the
tatuchka [14]

Answer:

22.75 minutes or 22 minutes 45 seconds

Step-by-step explanation:

Okay, this is a working together question. Let’s walk through it together!

Firstly, let’s say the total volume of the swimming pool is x sq.meters

Now, the rate of the smaller hose would be x/65 while that of the larger will be x/35

Now, their combined rate would be x/65 + x/35 = 100x/2275

Now, since the volume is x, the time taken is simply, the volume divided by the joint rate. That is mathematically equal to x divided by 100x/2275

x * 2275/100x = 2275/100 = 22.75 minutes or 22 minutes 45 seconds

8 0
3 years ago
Please help me, I really dont want to get an F :((( (The Graph Is In The Image)
AveGali [126]

Answer: correct answer is B

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3 years ago
Evaluate.<br> 33 + 11 -10 + 2 x4<br> w=__<br> ao
jarptica [38.1K]
I believe it would be 144 :)
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