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Rzqust [24]
3 years ago
15

What will always exist in any economic system?

Mathematics
2 answers:
Kazeer [188]3 years ago
4 0
A. luxury items. plz mark mine as brainleist
malfutka [58]3 years ago
3 0
I think D.  Its my best guess
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Solve these equations for the variable.<br> (4p-4)(13p+27)
kondaur [170]

Answer:

p is approximately equal to 1.125,  -1.925

Step-by-step explanation:

We can solve this first by expanding, giving us a quadratic equation in the usual ax² + bx + c format, then solving that for p:

(4p - 4)(13p + 27) = 0

52p² + 108p - 52p - 108 = 0

52p² + 52p - 108 = 0

13p² + 13p - 27 = 0

13p² + 13p  = 27

p² + p = 27 / 13

p² + p + 1/4 = 27/13 + 1/4

(p + 1/2)² = 108 / 52 + 13 / 52

(p + 1/2)² = 121 / 52

p + 1/2 = ± √(121 / 52)

p = -1/2 ± 11√(1/13) / 2

At that point we can simply plug those numbers into a calculator and solve it:

p ≈ 1.125,  -1.925

8 0
3 years ago
Solve for a.
lesya692 [45]
I am 100% sure that A equals -2.3
3 0
3 years ago
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Pleaseee helpp answer correctly !!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!
amm1812

Answer:

5

Step-by-step explanation:

√(-4+9)^2+(6-6)^2

√25+0

=5

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3 years ago
Please help me, I need this ASAP.<br><br> 60 POINTS
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tell me the drop down box and i can help

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2 years ago
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How many different ways can you make 0.50 with quarters,dimes,and nickels
kodGreya [7K]
<span>1. 10 nickels.
2. 1 dime and 8 nickels.
3. 2 dimes and 6 nickels.
4. 3 dimes and 4 nickels.
5. 4 dimes and 2 nickels.
6. 5 dimes.
7. 1 quarter and 5 nickels.
8. 1 quarter, 1 dime, and 3 nickels.
9. 1 quarter, 2 dimes, and 1 nickel.
10. 2 quarters.

</span>
3 0
3 years ago
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