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3 years ago

14

You need to buy some pencils and an eraser. You can spend no more than $5. The eraser cost $1 and the pencil cost $0.25 each. Wr

ite an inequality to represent the situation

1 answer:

vekshin13 years ago

6 0

5≤1e+ .25p
E represents erasers and p pencils

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Use the relative frequency approach to estimate the probability of the event. In a certain class of students, there are 8 boys f

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Answer:

$P\text{Student will be from Kenilworth}\approx 0.256$

Step-by-step explanation:

We have been given that that there are 8 boys from Wilmette, 5 girls from Kenilworth, 9 girls from Wilmette, 5 boys from Glencoe, 5 boys from Kenilworth and 7 girls from Glenoce.

The total number of students from Kenilworth is 5 boys plus 5 girls that is 10 students.

The total number of students in the class would be $8+5+9+5+5+7=39$

$\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}$

$P\text{Student will be from Kenilworth}=\frac{\text{Number of student from Kenilworth}}{\text{Total number of students}}$

$P\text{Student will be from Kenilworth}=\frac{10}{39}$

$P\text{Student will be from Kenilworth}=0.2564102564$

$P\text{Student will be from Kenilworth}\approx 0.256$

Therefore, the probability, that the student will be from Kenilworth, is approximately 0.256.

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3 years ago

¿Cuántos litros de agua se precisa para llenar una piscina inflable de 1/4 de metro cúbico?

8_murik_8 [283]

Answer:

250 litters

Step-by-step explanation:

To solve this question, we first need to know the conversion from cubic meter to liter.

1 cubic meter is equal to 1000 liters.

So, if we have 1/4 cubic meter, we can use a rule of three to find how many liters we will need:

1 m3 -> 1000 L

1/4 m3 -> x L

x * 1 = (1/4) * 1000

x = 1000 / 4 = 250 L

So we need 250 liters of water.

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The volume of the prism B will double

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

3,970

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2 years ago

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