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Harrizon [31]
3 years ago
14

How many different ways can you add two odd numbers to get a sum of 20 and add examples

Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0
We can add only odd numbers.  Let's assume that we're dealing ONLY with positive numbers.  Which two odd numbers add to 20?  1+19 qualifies.
So do 3+17, 5+15, 7+13, 9+11.
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What’s the quotient of 2 1/4 and 5/8
lions [1.4K]

Answer:

The correct result would be 3 3/5.

Step-by-step explanation:

If you would like to find the quotient of 2 1/4 and 5/8, you can calculate this using the following steps:

2 1/4 = 9/4

2 1/4 / 5/8 = 9/4 / 5/8 = 9/4 * 8/5 = 18/5 = 3 3/5

6 0
3 years ago
The population of a city is 100,000. It doubles each decade for 5 decades. Select all
nikitadnepr [17]
Not sure but I think it’s C
5 0
2 years ago
Read 2 more answers
Please help
lubasha [3.4K]

Let us check series : -10 /-2 = 5 -50/-10 = 5

so it is a geometric series with a= -2 and r= 5

sum formula for n terms of geometric series = a ( r^n -1 ) /( r-1)

here we find S5 that is n= 5 = -2 ( 5^ 5 - 1) /( 5-1)

= -2 ( 3125 -1) / 4 = -1562

second series is : 1.5/1 = 1.5 2.25/1.5 = 1.5

this is also geometric series but n = 12 a= 1 and r= 1.5

we use same formula

S12 = 1 ( (1.5) ^12 -1) /( 1.5-1) =

128.74 / 0.5 = 257.49

Last is 2/1= 2 4/2 = 2 8/4 = 2 so r = 2 a = 1 and n = 12

we use same formula 1 ( 2^12 - 1) / (2-1)

= 4095

Answers : -1562 , 257.49 , 4095

8 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=2x%20%7B%7D%5E%7B2%7D%20%20%2B%204x%20-%2021%20%3D%200" id="TexFormula1" title="2x {}^{2} + 4
Ugo [173]
The answer should be  21/8 hope it helps

7 0
3 years ago
Choose the correct simplification of the expression the quantity a to the 2nd power over b to the 3rd power all raised to the 4t
kifflom [539]
The answer will be a^8 over b^12.
7 0
3 years ago
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