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serious [3.7K]
3 years ago
13

The ratio of ducks to geese in a pond is 3 : 5. There are 27 ducks. How many geese are there?

Mathematics
1 answer:
Gemiola [76]3 years ago
7 0

Answer:

D:G-------> 3:5

27/3=9

9 x 5= 45

45 geese

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The Leukemia and Lymphoma Society sponsors a 5K race to raise money. It receives $55 per race entry and $10,000 in donations, bu
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<span>x = number of entries 55x + 10000 - 15x ≥ 55000 First, subtract 10000 from each side 55x - 15x ≥ 45000 Now, we can combine 55x and 15x because they've both got the same variable attached 40x ≥ 45000 Now divide each side by 40 to isolate x (which is the number of entries) x ≥ 1125 The race needs at least 1125 entries to raise at least $55,000.</span>
5 0
3 years ago
An ancient Chinese candle clock tells the amount of time that has passed by the amount of wax that has been melted off the candl
maxonik [38]

Answer:

Time = 560\ mins

Step-by-step explanation:

Given

Candles = 2 --- candles melted

Divisions = 12

Time = 4\ hrs --- time to melt

Required

The time since the first was lit

If 1 candle melts in 4 hours, 2 candles will melt in 8 hours.

i.e.

x = Candles * Time

x = 2 * 4hrs

x = 8hrs

For the 3rd candle that has melted, 4 inches

First, calculate the fraction that melt

Fraction = \frac{Melt}{Division}

Fraction = \frac{4}{12}

Fraction = \frac{1}{3}

The time to melt is:

y = Fraction * Time

y= 4 * \frac{1}{3}

y= \frac{4}{3}hrs

So, the required time is:

Time = x + y

Time = 8hrs + \frac{4}{3}hrs

Convert to minutes

Time = 8*60mins + \frac{4}{3}*60mins

Time = 480mins + 80mins

Time = 560\ mins

4 0
2 years ago
Find the slope of the line that passes through the two points. (-4, -2), (-2, -1)
Nostrana [21]

Answer:

1/2

Step-by-step explanation:

(-2-(-1))/(-4-(-2))=1/2

6 0
3 years ago
What is the value of x? Enter your answer in the box.<br><br><br><br> i need to post graph
kondaur [170]
2x + 2 = 3x - 52
x = 54
4 0
3 years ago
La suma de un numero mas 16 es igual a 31
Simora [160]

Answer:

47

Step-by-step explanation:

8 0
3 years ago
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