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Ostrovityanka [42]
3 years ago
11

Mr. Roberts sees a rare 1937 penny. The cost of the penny is $210.If he saves $3 each week, will Mr.Roberts have enough money to

buy the penny in one year? Explain.
Mathematics
2 answers:
hoa [83]3 years ago
8 0
So, the cost is $210. And he needs to save $3 each week for one year, and by the end of the year, will he have enough money to buy the penny?

So, there are 52 weeks in one year. 52 x $3 = $156

So, no. He won't have enough money to buy the penny by the end of the month. 

Hope this helps love! <3
Mama L [17]3 years ago
3 0
Well 3 times 52 weeks in a year. Equals 156. He will not have enough money by the end of the year.
3*52=156

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A store can buy boxes of 8 calculators each for $32 or boxes of 5 calculators for $30. How much less is each calculator if the s
sleet_krkn [62]

Answer:

  $2

Step-by-step explanation:

The price of each calculator is found by dividing the box price by the number of calculators in the box.

  $30/5 -$32/8 = $6 - $4 = $2

In boxes of 8, each calculator costs $2 less.

5 0
3 years ago
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Answer:

La respuesta esta abajo

Step-by-step explanation:

La pregunta no está completa porque no contiene gráficos, pero te mostraré cómo responderla.

La ecuación de un gráfico de línea recta viene dada por:

y = mx + b; donde y y x son variables, m es la pendiente de la gráfica y b es la intersección en y (que es el valor de y cuando x es 0)

Dado que la ecuación de la gráfica es y = mx, comparando con la ecuación de una línea recta (y = mx + b), podemos concluir que la gráfica con una ecuación y = mx, tiene una pendiente de my una intersección con y de 0.

Esto significa que la gráfica pasa por el origen sin tocar el eje y. Además, la gráfica tiene una pendiente positiva.

5 0
3 years ago
Suppose there is a 20% chance of rain on Monday and a 40% chance of rain on Tuesday. Assuming the weather on successive days is
nadya68 [22]

Answer:

a. 52%

b. 40%

Step-by-step explanation:

Let A represents the event of raining on Monday and B represents the event of raining in Tuesday,

Then according to the question,

P(A) = 20% = 0.2,

P(B) = 40% = 0.4,

Here, A and B are independent events,

So, P(A∩B) = P(A) × P(B),

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We know that,

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= 52%

b. The conditional probability it rains on Tuesday given that it rained on Monday,

P(\frac{B}{A})=\frac{P(A\cap B)}{P(A)} = \frac{0.08}{0.2}=0.4 = 40\%

4 0
3 years ago
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insens350 [35]

Answer:

Step-by-step explanation:

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