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OlgaM077 [116]
2 years ago
14

Convert: 16 square kilometers to acres

Mathematics
1 answer:
dsp732 years ago
4 0
16 square kilometers is 3953.6861 acres.
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A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance
nataly862011 [7]

The Required ratio between the speed of the boat and speed of the water current is 8:3.

<h3>What is ratio?</h3>

In mathematics, a ratio indicates how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six.

Given:

Upstream time= 8 hr 48 = 8 4/5 hour

Downstream time= 4 hour

Let the man's rate upstream be x kmph and that downstream be y kmph.

Then,

distance covered upstream in 8 hrs 48 min = Distance covered downstream in 4 hrs.

x* 8 hr 48 min = y* 4 hours

x* 8 4/5= 4y

y= 11/5 x

Now,

Required ratio

(y+x)/2:(y-x)/2

= (16x/5 * 1/2): ( 6x/5 *1/2)

=8/5:3/5

=8:3

Hence, the required ratio is 8:3.

Learn more about ratio here:

brainly.com/question/13419413

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1 year ago
What is true for an image and preimage in a reflection?
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They both are congruent
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Step-by-step explanation:

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Which best describes this triangle?
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It is a right angle,90° is a right angle also, triangle.
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If x = 7 and f = 4 and g = 9 and l = 24 and p = 12 and e = 9847493 then what is x ÷ fg X i ÷ p
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