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SCORPION-xisa [38]
4 years ago
15

Someone please help me

Mathematics
2 answers:
quester [9]4 years ago
6 0
4x + 12x = 320
16x = 320
x = 20
Mekhanik [1.2K]4 years ago
6 0

Step-by-step explanation:

4x + 12x = 320 (given in picture)

16x = 320 (combine like terms: 4+12 = 16)

x = 20 (isolate x for answer: 320/16 is 20)

:)

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The fifth term of an arithmetic sequence is 23 and the 12th term is 72? Determine the first three terms of the sequence and the
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Answer:

the first term is a1

the distance between the numbers is d

we have:

a5 = a1 + 4d = 23

a12 = a1 + 11d = 72

so we have the equation:

a1 + 4d = 23

a1 + 11d = 72

=> a1 = -5

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=> an = -5 + 7(n - 1) = 7n - 12

with an = 7n - 12

=> a2 = 2

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3 years ago
Which of the following illustrates the truth value of the given conditional statement if 6*3=18, then 4+8=20
denis-greek [22]
Conditional statement represents two statements, the "p" and the "q". Where p is the hypothesis and q is the conclusion.

The table of conditional statement:
(p)     (q)     (p -> q)
 T       T          T
 T       F          F
 F       T          T
 F       F          F

As shown on the table, (p -> q) can only be false if the "p statement" is true while the "q statement" is false.

The given states that, "If 6*3 = 18, then 8+4 = 20", 
set p: 6*3 = 18
      q: 8+4 = 20

Since p is true and q is false, then the truth value (p->q) is false.
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Answer:$133.455

Step-by-step explanation:

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I hope this helps.

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