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OverLord2011 [107]
3 years ago
6

Coach kunal stacks all of the tennis balls in a square pyramid. The number of tennis balls, P(n), in n layers of the square pyra

mid is given by P(n) = P(n - 1) + n^2. Which could not be the number of tennis balls Coach Kunal has? A. 30 B. 5 C. 14 D. 9
Mathematics
1 answer:
stealth61 [152]3 years ago
4 0

Answer:

Answer A. 30 I believe.

Step-by-step explanation:

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Help ASAP!!!<br> Please and thank you so much
PilotLPTM [1.2K]
Rectangle on the left = 3 × 4 = 12

Rectangle in the middle = 3 × 2 = 6

Rectangle on the right = 4 × 3 = 12

Add:

12 + 6 + 12 = 30

Answer = 30

Hope this helped☺☺
8 0
3 years ago
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1.3(8-b)+3.7b= -5.2<br> solve and check answer
Paraphin [41]

Answer:

b = -6.5

Step-by-step explanation:

I am 100% sure thts the right answer

6 0
3 years ago
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A cyclist bikes at a constant speed for 22 miles. He then returns home at the same speed but takes a different route. His return
brilliants [131]
How concerned are you with how to get the answer?
Because I know the answer is 5 miles per hour
22/5= 4.4 hours
27/5= 5.4 hours

Alright this is how you solve it
Distance over time equals speed
So 22/y=x and 27/y+1=x
Start by solving for time by having these two equations equal each other
22/y=27/y+1
Cross multiply to get
22(y+1)=27y
22y+22=27y
Isolate Y
5y=22
Y=4.4
Now solve for X which is the speed, you can plug in Y to either of the two equations
22/4.4=x
X=5 miles per hour
4 0
3 years ago
What’s the estimated root of 57???? Someone help
stiks02 [169]

Answer:

The square root of 57 with one digit decimal accuracy is 7.5.

Step-by-step explanation:

7 0
3 years ago
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Solve for x.<br> X/-6 =-7
babymother [125]

Answer:

x=42

Step-by-step explanation:

4 0
2 years ago
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