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Gnom [1K]
3 years ago
6

Please help!! cause this is really confusing

Mathematics
1 answer:
koban [17]3 years ago
5 0
The answer is 1,342 cm squared. This problem is fairly simple, but ok.
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How many men have a waist measurement of more than 85cm
Llana [10]

Answer:

29

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The Johnson twins were born four years after their older sister. This year, the product of the three siblings ages is exactly 34
svp [43]

Answer:

Step-by-step explanation:

Let age of each twin be x

let age of sister be s

So we can write:

x + 4 = s

The product of the 3 siblings ages is 3482 more than sum. We can write:

s*x*x=3482+(s+x+x)

This can be simplified as:

sx^2=3482+s+2x

We replace s with "x + 4" and solve:

(x+4)x^2=3482+x+4+2x\\x^3+4x^2=3486+3x\\x^3+4x^2-3x-3486=0\\x=14

<u>Note:</u> To solve this cubic, we used technology

Thus, we can say the twins are 14 years old

3 0
3 years ago
) a 200 gallon tank initially contains 50 gallons in which are dissolved 5 pounds of salt. the tank is flushed by pumping pure w
bulgar [2K]
(a) The 150 gallons of empty space in the tank are being filled at the rate of 1 gallon per minute. The tank will be filled after 150 minutes.

(b) s(0) = 5
.. s'(t) = -2s(t)/(50 +t)
6 0
3 years ago
What is the answer to 8=56, 7=42, 6=30, 5=20, 3=?
ozzi
8(7) = 56
7(6) = 42
6(5) = 30
5(4) = 20
4(3) = 12
3(2) = 6
∴ 3 = 6
7 0
3 years ago
A curious accountant at a large firm would like to know if money can buy happiness. She selects a random sample of 30 of her wea
vova2212 [387]

Answer:

nn

Step-by-step explanation:

nn

6 0
3 years ago
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