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4 years ago

Math problem:50-2+29-7+2-1+2=

Mathematics

2 answers:

katen-ka-za [31]4 years ago

6 0

Answer:

Step-by-step explanation:

this is self explanatory math

Tomtit [17]4 years ago

5 0

Answer:

Step-by-step explanation:

50-2=48

48+29=77

77-7=70

70+2=72

72-1=71

71+2=73

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SOVA2 [1]

Answer:

Step-by-step explanation:

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4 years ago

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4 years ago

The 28th term of an ap is -5,find the common difference if the first term is 31

klemol [59]

Answer:

The common difference is -4/3.

Step-by-step explanation:

Recall that the direct formula for an arithmetic sequence is given by:

$\displaystyle x_n=a+d(n-1)$

Where n is the nth term, a is the initial term, and d is the common difference.

We are given that the first term a is 31.

We also know that the 28th term is -5. Hence, x₂₈ = -5. Substitute:

$\displaystyle x_{28}=-5=(31)+d(28-1)$

Solve for d. Simplify:

$-5=31+27d$

Thus:

$\displaystyle 27d=-36$

Divide both sides by 27. Hence, the common difference is:

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3 years ago

Read 2 more answers