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11Alexandr11 [23.1K]
3 years ago
12

What is the mean for 2,7,3,7,9

Mathematics
2 answers:
ale4655 [162]3 years ago
6 0
Simple add them all 2+7+3+7+9 is 28 then divide 28 by the amount of numbers (5) to get 5.6 or if you are rounding to the nearest number 6...  Hope this helped ;)
mote1985 [20]3 years ago
4 0
2+7+3+7+9= 28 28/5=5.6 The mean is 5.6
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The scale factor of a large swimming pool to a small swimming pool is 0.12. The large swimming pool can hold 15000 m cubed of wa
Aleksandr-060686 [28]
The volume of the small pool is the product of the cube of the scale factor and the volume of the large pool. 25.92 m cubed.  Hope this helps.
7 0
3 years ago
Read 2 more answers
Simplify the expression -3z(1.8z-2.2).
alexdok [17]

Answer:

- 5.4z {}^{2}  + 6.6z

Step-by-step explanation:

Given:

-3z(1.8z-2.2)

Solution:

Applying Distributive property,we obtain

  • (−3z)(1.8z)+(−3z)(−2.2)

Simplifying using PEMDAS:

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Done!

5 0
2 years ago
ANYONE??
RideAnS [48]
Volume of a quadrangular pyramid=(1/3)bh
b=base
h=height

b=area of the base=area of a square=8.4 ft * 8.4 ft=70.56 ft²

Pythagoras theorem:
hypotenuse²=leg₁² + leg₂²

data:
hypotenuse=9.6 ft
leg₁=height=h
leg₂=8.4 ft /2=4.2 ft

(9.6 ft)²= h² + (4.2 ft)²
92.16 ft²=h²+17.64 ft²
h²=92.16 ft²-17.64 ft²
h²=74.52 ft²
h=√(74.52 ft²)=8.63 ft.

Volume of this quadrangular pyramid=(1/3)(70.56 ft²)(8.63 ft)=202.9 ft³≈202.3 ft³

Answer: ≈202.3 ft³
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3 years ago
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N76 [4]

Answer:

3/2 or 1 1/2

Step-by-step explanation:

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You deposit $1200 in an account. The account earns $120 simple
iVinArrow [24]

We have to find the unit rate, so we have to divide what you earned in interest by the amount of months.

120/8=15

So you earn $15 per month

---

sorry if this doesn't help

7 0
3 years ago
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