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Lana71 [14]
3 years ago
13

400 A whole number a integer a real number or rational number

Mathematics
1 answer:
bearhunter [10]3 years ago
7 0

Answer:

All of the above

Step-by-step explanation:

A whole number and integers are numbers that don't have decimals.

A rational number is a number that can be written as a fraction

A real number is any number that is not complex, which means that it has an imaginary solution or imaginary number part of it.

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certain electronics manufacturer found that the marginal cost C to produce x DVD/Blu- ray players can be found using the equatio
AleksAgata [21]

Answer:

242.

Step-by-step explanation:

C = 0.03 x 2 − 8 x + 700

When the marginal cost = $522 we have:

522 = 0.03 x 2 − 8 x + 700

0.03x^2 - 8x + 700 - 522 = 0

0.03x^2 - 8x + 178 = 0

Using the quadratic formula:

x =  [ -(-8) +/- sqrt( 64 - 4 * 0.03 * 178)] / 0.06

= 8 +/- sqrt42.64 / 0.06

= 242  players.

8 0
3 years ago
Maas has a bank account with less than $400 in it.his bank pays no interest on that account,and charges $2 per month for each mo
jasenka [17]

Answer:

400 - 2 (24 months) = $352

Step-by-step explanation:

7 0
2 years ago
Need help with number 20
olga2289 [7]
4^4x = 8 
since 4 = 2^2  & 8= 2^3
so we can write the equation as 
(2^2)^4x = 2^3 
2^8x =2^3 
sp ,, 8x = 3 
then x = 3/8 
5 0
3 years ago
A box has the following dimensions: length = x +7, width = x - 4, height = 2x-6. Find the volume of the box if x is 5​
natta225 [31]
Hope this helps you out:)

5 0
2 years ago
Please I neeed help
Novosadov [1.4K]
The answer is 59049 hope this helps
8 0
2 years ago
Read 2 more answers
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