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3 years ago

7

Elmer loves! He started with 150 rabbits but the number keeps doubling every year. How many rabbits will Elmer have after five y

ears? Write an equation and show work.

1 answer:

Citrus2011 [14]3 years ago

5 0

Answer:

2400 rabbits

Step-by-step explanation:

1st year: 150

2nd year: 300 (150+150)

3rd year: 600 (300+300)

4th year: 1200 (600+600)

5th year: 2400 (1200+1200)

(this is possibly wrong actually)

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Solve this<br> SOLVE THIS QUESTION PLEASE

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Answer:

12 hour 24 hour

08:05pm 20:05pm

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Step-by-step explanation:

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3 years ago

Simplify the expression:<br> -3(6 - 1.5n)=

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Answer:

Step-by-step explanation:

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3 years ago

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lorasvet [3.4K]

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3 years ago

Julia rides her horse 18 km with a constant speed of 6km/hr and another 24 km with a constant speed of 12 km/hr. What is her ave

nlexa [21]

Answer:

8.4 km/hr.

Step-by-step explanation:

We have been given that Julia rides her horse 18 km with a constant speed of 6 km/hr.

Let us find the time taken by Julia to cover a distance of 18 km.

$\text{Time}=\frac{\text{Distance}}{\text{Speed}}$

$\text{Time taken to cover 18 km}=\frac{18\text{ km}}{\frac{6\text{km}}{\text{hour}}}$

$\text{Time taken to cover 18 km}=\frac{18\text{ km}}{6}\times\frac{\text{hour}}{\text{km}}$

$\text{Time taken to cover 18 km}=\frac{18}{6}\times\text{hour}$

$\text{Time taken to cover 18 km}=3\text{ hour}$

We are also told that she rides another 24 km with a constant speed of 12 km/hr.

Let us find the time taken by Julia to cover a distance of 24 km.

$\text{Time taken to cover 24 km}=\frac{24\text{ km}}{\frac{12\text{km}}{\text{hour}}}$

$\text{Time taken to cover 24 km}=\frac{24\text{ km}}{12}\times\frac{\text{hour}}{\text{km}}$

$\text{Time taken to cover 24 km}=\frac{24}{12}\times\text{hour}$

$\text{Time taken to cover 24 km}=2\text{ hour}$

Since we know that $\text{Average speed}=\frac{\text{Total distance}}{\text{Total time}}$ .

Upon substituting our values in above formula we will get,

$\text{Julia's average speed}=\frac{18\text{ km}+24\text{ km}+}{3\text{ hour}+2\text{ hour}}$

$\text{Julia's average speed}=\frac{42\text{ km}}{5\text{ hour}}$

$\text{Julia's average speed}=\frac{8.4\text{ km}}{\text{ hour}}$

Therefore, Julia's average speed is 8.4 km per hour.

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4 years ago

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Agata [3.3K]

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ASA Congruence Postulate 

Step-by-step explanation:

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3 years ago