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xenn [34]
3 years ago
11

Please help I have one question.

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
7 0
1/3 and 5 is the answer. 
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Step-by-step explanation:

perimeter of square = 30cm

perimeter of rectangle = 30cm

area of square is = 30×30= 900 cm

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Use the graph of the function to find its domain and range. Write the domain and range in interval notation
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Step-by-step explanation:

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Rex weighed 80 pounds a year ago. Now he weighs 92 pounds. What is the percent increase in his weight?
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So base on the question, that states the weight of Rex from last year to the present, and find its rate if change or percentage of change. To calculate the percentage you must first subtract the said weight in the present to its past then divide it by its past weight then multiply it by 100. So the percentage would be 15 %. I hope this would help 

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3 years ago
A function is described by the following ordered pairs: (7, 4.5) (–4, 7.2) (–7.2, –4) (5.2, 3) Which set of ordered pairs repres
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8 0
3 years ago
A science teacher ordered $1848 worth of microscopes and dissection kits for the new science lab. A total of 30 microscopes and
andrezito [222]

Answer:

Microscopes cost $44 and Dissection Kits cost $11

Step-by-step explanation:

Using the information given, we can make the system of equations:

30x+48y=1848

x represents the price of microscopes and y represents the price of dissection kits.

We also know that microscopes will be 4x the price of dissection kits. Therefor:

x=4y

We can plug these two equations together to find the answer.

30(4y)+48y=1848

120y+48y=1848

168y=1848

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x=4(11)

x=44

4 0
3 years ago
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