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lesantik [10]
3 years ago
13

Jethro walked at an average speed of 3 miles per hour for 2 hours. Randy walked at an average of 4 miles per hour for 3 hours.

Mathematics
2 answers:
xenn [34]3 years ago
7 0
Jethro walked 3 miles per hour for 2 hours. So you would want to do 3 x 2.
That equaling 6. So Jethro walked a total of 6 miles in two hours.
Randy walked 4 miles per hour for 3 hours. So you would want to do 4 x 3.
That equaling 12. So Randy walked a total 12 miles in three hours.
If you add 6 miles and 12 miles the boys would have walked a total of 18 miles together.
Hope you do good. Have a Tessariffic day.
Mark Me Brainiest Please.
Tessadog Out
pishuonlain [190]3 years ago
5 0
If Jethro walked 3mph for two hours, than you multiply 3×2=6 miles

if Randy walked 4mph for 3 hours then 4×3=12 miles

Mph×the number of hours= miles
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Because you van turn 6 into 60 so they are in common. Hope that helps

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3 years ago
What is 5/6 mutlipulyed by 2 2/3
melisa1 [442]

Answer:

20/9

Step-by-step explanation:

Turn 2_2/3 into fraction.

(2 x 3) = 6 + 2 = 8: fraction- 8/3

5/6 x 8/3 = 20/9

7 0
3 years ago
Read 2 more answers
I need help
Nataly_w [17]

Answer:

The answer is D.35

3 0
3 years ago
Read 2 more answers
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
What is the answer to this?
a_sh-v [17]
The answer is 35 bc it has pointed on the dot
5 0
3 years ago
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