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mamaluj [8]
3 years ago
12

a student bought 34 pencils for school. if he sharpened 16 of the pencils before school, what is his ratio of unsharpened pencil

s to sharpened pencils?
Mathematics
2 answers:
Mariulka [41]3 years ago
6 0
34 - 16 = 18

18 : 16 

I think that's the answer? 

Leviafan [203]3 years ago
6 0
TO find unsharpened pencils, subtract 34 by 16 and you'll get 18. The answer to the question is 18/16, if you want to simplified it, it will be 9/8 or 9:8.
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Determine whether the equation 3(4g+6)=2(6g+9) has one solution, no solution, or infinitely many solutions. The equation has . Q
taurus [48]

So firstly, foil 3(4g + 6) and 2 (6g + 9): 12g+18=12g+18

Now since the quantity is the same on both sides of this equation, this means that <u>this equation has infinite solutions.</u>

7 0
3 years ago
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What is (1/4 -3x^3)^4 in expanded form
Maksim231197 [3]

Answer:

81x {}^{12}  - 27 {}^{9}  +  \frac{27x {}^{6} }{8}  -  \frac{3x}{16}  +  \frac{1}{?256}

8 0
3 years ago
Dada la sucesión an = 1700 + 4,1· n2 + 304,9· n
shutvik [7]

Concluimos que la opción correcta es <em>"Solo II"</em>.

Una expresión es una sucesión aritmética si y solo si existe entre dos elementos <em>consecutivos</em> cualesquiera de la serie la misma diferencia. La sucesión aritmética es definida por una expresión de la forma:

a_{n} = a + b\cdot n, n\in \mathbb{N} (1)

Donde a,b son coeficientes de la sucesión.

Asimismo, una expresión es una sucesión geométrica si y solo si entre dos elementos <em>consecutivos</em> cualesquiera de la serie existe la misma razón. La sucesión geométrica es definida por una expresión de la forma:

a_{n} = a\cdot r^{b\cdot n}, n\in \mathbb{N} (2)

Donde a, b, r son coeficientes de la sucesión.

Por último, una expresión es una sucesión monótona creciente si dados dos elementos <em>consecutivos</em> de una serie, el elemento posterior es siempre mayor que el elemento anterior. Matemáticamente, debe satisfacerse la siguiente condición:

\frac{a_{n+1}}{a_{n}} > 1, n\in \mathbb{N} (3)

Esta claro por inspección directa que la sucesión dada no es aritmética ni geométrica y cabe comprobar si es monótona creciente. Valiéndonos de (3), realizamos las operaciones algebraicas pertinentes:

r = \frac{1700 + 4,1\cdot (n+1)^{2}+304,9\cdot (n+1)}{1700 + 4,1\cdot n^{2}+304,9\cdot n}

r = \frac{1700+4,1\cdot (n^{2}+2\cdot n +1) +304,9\cdot (n+1)}{1700 + 4.1\cdot n^{2}+304,9\cdot n}

r = \frac{1700+4,1\cdot n^{2}+304,9\cdot n+4,1\dot (2\cdot n +1) +304.9}{1700+4,1\cdot n^{2}+304,9\cdot n}

r = 1 + \frac{8,2\cdot n +309}{1700 + 4,1\cdot n^{2}+304,9\cdot n}

Como puede apreciarse, r > 1. Por tanto, la sucesión es monótona y creciente.

En consecuencia, concluimos que la opción correcta es <em>"Solo II"</em>.

Invitamos cordialmente a leer esta pregunta sobre sucesiones: brainly.com/question/21709418

4 0
3 years ago
The common factor to 18xy and 24 y
vladimir1956 [14]
18xy + 24y = 6y(3x + 8)

The common factor is 6y
6 0
3 years ago
Pls give me the answer! Thanks!
Mademuasel [1]

Answer:

6

Step-by-step explanation:

7 x 6 = 42 + 9 = 51 + 54 = 105 + 75= 180

6 0
2 years ago
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