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Gelneren [198K]
3 years ago
15

47100 was rounded to the nearest hundred. What is the lower bound? Help plz

Mathematics
1 answer:
alexgriva [62]3 years ago
4 0

Answer:

47,100.00

Step-by-step explanation:

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The relationship between women’s whole-number shoe sizes and foot lengths is an arithmetic sequence, where an is the foot length
ad-work [718]

Answer:

The explicit formula for Arithmetic Sequence is a_n=7.02+0.33n

Step-by-step explanation:

Given: Foot length & shoe size in AP.

           a_n is foot length and n is shoe size.i.e., a_{12}=11\:and\:a_7=9.33

To find: Formula for Arithmetic sequence .i.e., a_n

From question,

a_{12}-a_7=11-9.33=1.67

Also, we know that

a_{12}=a_7+5d\\5d=a_{12}-a_7\\5d=1.67\\d=\frac{1.67}{5}\\\\d=0.33        

Now, consider

a_7=a_1+6d\\a_7=a+6d\\a=a_7-6d\\a=9.33-6\times0.33\\a=9.33-1.98\\a=7.35

Thus using formula of a_n we get,

a_n=a+(n-1)d\\a_n=7.35+(n-1)\times0.33\\a_n=7.35+0.33n-0.33\\a_n=7.02+0.33n

Therefore, The explicit formula for Arithmetic Sequence is a_n=7.02+0.33n

 

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3 years ago
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Answer:

Step-by-step explanation:

If you want it in decimal form it should be 8.94427190.. and so on it wants it to the nearest hundredth so its just 8.94? I hope this helps the exact form not in decimal form is 4√5.

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An isosceles right angled triangle is shown. The area of the triangle is 200cm squared.Work out the value of the x
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Answer:

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Step-by-step explanation:

Let x be the  length of  equal sides.

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Using the formula

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