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3 years ago

If 4 bunnies can eat all the crops in a garden in 10 hours, how long will it take 5 bunnies to eat the same crops?

Mathematics

2 answers:

worty [1.4K]3 years ago

7 0

Answer:

12.5 hours

Step-by-step explanation:

10 / 4 = 2.5

2.5 * 5 = 12.5

Mandarinka [93]3 years ago

7 0

Answer:

8 hours

Step-by-step explanation:

4 bunnies...... 10 hours

5 bunnies....... X hours

X=4 ×10 :5

X=40 :5

X=8 hours

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tia_tia [17]

Answer:

$8-6i$

Step-by-step explanation:

Multiply out $(3-i)^2$ in order to find out which expression it is equivalent to.

1) Since the whole quantity is squared, write it out as $(3-i)(3-i)$ .

$(3-i)^2\\(3-i)(3-i)$

2) Multiply binomials by using the FOIL method. Multiply the terms that are listed first in each binomial, then the ones that are listed outermost when looking at both binomials, then innermost, and finally the last terms listed in each binomial. Simplify and combine like terms.

$(3-i)(3-i)\\9 - 3i - 3i + i^2$

$9 - 6i + i^2$

3) $i = \sqrt{-1}$ , so $i ^2$ must be $(\sqrt{-1} )(\sqrt{-1})$ . Thus, $i^2$ is equivalent to -1. Knowing this, simplify and combine like terms.

$9 - 6i + ((-\sqrt{1} )(\sqrt{-1} ))$

$9 - 6i -1\\8 - 6i$

Thus, it is equivalent to $8 - 6i$ .

6 0

3 years ago

Helpppp pleaseeee ????

Agata [3.3K]

Answer:

LQ = 54

Median = 69

UQ = 94

Step-by-step explanation:

This list is already sorted for you, so you don't need to worry about that, otherwise you would need to sort the numbers in ascending order. To find the median, we do $\frac{n+1}{2}$ , where n is the amount of numbers. This gives us 4, so the median is at position 4, so the median is 69. The lower quartile is simply $\frac{n+1}{4}$ , so 2, so the lower quartile is 54. The upper quartile is $\frac{n+1}{2} X 3$ , so 6, so the upper quartile is 94.