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myrzilka [38]
3 years ago
8

I need help asap please

Mathematics
2 answers:
kolbaska11 [484]3 years ago
6 0

Answer:

I believe the answer would be answer choice 'A'.

enot [183]3 years ago
3 0
The answer is A because if u take the other answers and apply them they don’t make any sense.
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4/20 x 7x20 = 28/400 or 7/100.
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Jefferson middle school is selling tickets to a choral performance. On the first day of ticket sells they sold 4 adult tickets a
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Answer:

Adult is $12 and child is $7

Step-by-step explanation:

Adult=x and Children=y

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Get one letter the same but opposite

(4x+1y=55) times that by -2

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3 years ago
What does first difference mean?
Sunny_sXe [5.5K]

Answer:

In statistics and econometrics, the first-difference (FD) estimator is an estimator used to address the problem of omitted variables with panel data. It is consistent under the assumptions of the fixed effects model. In certain situations it can be more efficient than the standard fixed effects (or "within") estimator.

First differences are the differences between consecutive y-‐values in tables of values with evenly spaced x-‐values. If the first differences of a relation are constant, the relation is _______________________________ If the first differences of a relation are not constant, the relation is ___________________________

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If ΔLMN ≅ ΔOPR, m∠L = (x^2 - x)°, m∠P = 16°, m∠N = (4x+160)°. Find m∠R.
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Answer:

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Step-by-step explanation:

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