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tester [92]
3 years ago
5

center city has a population of twenty one thousand seventy people write the population in standard form

Mathematics
1 answer:
NISA [10]3 years ago
3 0
The standard form is 20000 + 1000 + 70
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Exponential form of log4 4=1
vlabodo [156]
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Answer:

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Step-by-step explanation:

5 0
2 years ago
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3 tins of beans and 4 tins of tomatoes cost 2.73. 5 tins of beans cost 1.55. how much is one tin of tomatoes?​
Aneli [31]

Answer:

$0.45

Step-by-step explanation:

1 tin of beans-> $1.55÷3=$0.31

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2 years ago
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The area of a rectangle is 77ft and the length of the rectangle is 3ft more than double the width. Find the dimensions of the re
Radda [10]
Let b= length and a=width
Area= a*b  and the problem said b=2a+3 (the length is 3ft more than double the width)
Replace b into Area formula:
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77=2a^2+3a now order and equal to zero:
2a^2+3a=77 now solve this with quadratic formula and you will get so values for a: -7ft and 5.5ft as you know the dimensions could not be negative so the correct answer for "a" side is 5.5ft, for getting the b side you haeve to replace a=5.5 into b=2a+3 and you will get b=2*5.5+3= 14ft.
Finished.

3 0
3 years ago
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Nuetrik [128]

Answer:

90m+145

Step-by-step explanation:

80 + 50m + 65 + 40m​

90m+145

3 0
2 years ago
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