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gayaneshka [121]
2 years ago
15

Florida has a population of about 2 X 10'. The Earth has a population of about 8 X 109. About how many times more populated is t

he Earth than Florida?
Please Help!​
Mathematics
1 answer:
polet [3.4K]2 years ago
5 0

Answer:

852

Step-by-step explanation:

2 times 10 is 20

8 times 109 is 872

You subtract the two values, 872-20=852

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Find the 15th term of the arithmetic sequence -5x+3−5x+3, -9x-2−9x−2, -13x-7,.......???
Anna35 [415]

Answer:

- 61x - 67

Step-by-step explanation:

The n th term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

d = - 9x - 2 - (- 5x + 3)

  = - 9x - 2 + 5x - 3

  = - 4x - 5 and a₁ = - 5x + 3, thus

a_{15} = - 5x + 3 + 14(- 4x - 5) = - 5x + 3 - 56x - 70 = - 61x - 67

5 0
3 years ago
-t+5=t-19<br> Need an answer and a work pls!
Nadusha1986 [10]

Answer:

t=12

Step-by-step explanation:

Step 1: Subtract t from both sides.

−t+5−t=t−19−t

−2t+5=−19

Step 2: Subtract 5 from both sides.

−2t+5−5=−19−5

−2t=−24

Step 3: Divide both sides by -2.

−2t−2=−24−2

8 0
3 years ago
Neeeddddd helpppp ASAP!!!!!
Artist 52 [7]
The third answer is correct.
5 0
3 years ago
What is equivalent fraction to 2/5
My name is Ann [436]

Answer:

4/10, 6/15, 8/20, and 10/25

Step-by-step explanation:

Hope this helps. :)

4 0
3 years ago
Read 2 more answers
If the diameter of the semicircle is 1.7 centimeters, what is the circumference of the semicircle?
spin [16.1K]
The formula for circumference is C=2 \pi r or C= \pi d.  We have a diameter for the semicircle, so let's use the diameter formula.  C= \pi (1.7) which is either C=1.7 \pi or C = 5.338 if we multiply pi in as 3.14.  BUT this is only half a circle, so we only have half that distance around the outside.  Therefore, the circumference of half this circle is 2.669 cm.  But we need to add the 24 mm in.  24 mm in centimeters is 2.4 cm.  So 2.669 + 2.4 = 5.069
6 0
3 years ago
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