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pickupchik [31]
3 years ago
15

A spherical water tank with a radius of 21 ft is being filled at a rate of 150 ft3 per hour. How much time must elapse for the w

ater tank to be completely filled? Use 3.14 for π .
Calculate the time it will take to completely fill the tank by writing and solving a proportion using the constant rate of change.
Mathematics
1 answer:
Luden [163]3 years ago
4 0
GHHHHH IEEKEKEEJEJEJEJEJEJEEJRJRJRRJRJRJRJRJRJRJRJRJRJRJR
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Which statement is true about the factorization of 30x2+40xy+51y2
icang [17]
The complete question is
Which statement is true about the factorization of 30x² + 40xy + 51y²<span>?

A. The factorization of the polynomial is 10(3x2 + 4xy + 5y2).
B. The polynomial can be rewritten as the product of a trinomial and xy.
C. The greatest common factor of the polynomial is 51x2y2.
D. The polynomial is prime, and the greatest common factor of the terms is 1.

we know that

case A) </span>is not right because 10 is not a common factor of the three terms.
case B) is not right because the original polynomial is already a trinomial
case C) is not right because the terms do not contain 51x^2y^2
<span>case D) is right 
because
</span><span>Factors of 30 are-----> 1,2,3,5,6,10,15,30
</span>Factors of 40 are-----> 1,2,4,5,8,10,20,40
Factors of 51 are-----> 1,51
<span>so
</span><span>The "Greatest Common Factor" is the largest of the common factors
</span><span>the GFC is 1

therefore

the answer is the option
</span>D. The polynomial is prime, and the greatest common factor of the terms is 1<span>



</span>
8 0
3 years ago
What are the quotient and remainder when 777 is divided by 21?
DIA [1.3K]
777 divided by 21 = 34 with a remainder of 3
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2 years ago
Simplify the expression<br> -9(-6+2n)
Wittaler [7]
54 - 18n

Multiply -9 by -6 to get 54.
Multiply -9 by 2n to get 18n.
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Please I really need help
Lubov Fominskaja [6]

Answer:

a: 130

b: 130

c: 50

Step-by-step explanation:

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DedPeter [7]
It is d and b I believe
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