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3 years ago

State the common difference for the given A.P.3/2,1/2,-1/2,-3/2,......

Mathematics

1 answer:

a_sh-v [17]3 years ago

8 0

Answer:

-1

Step-by-step explanation:

The common difference is the constant amount of change between the numbers in an arithmetic sequence.

To find the common difference, you take the last term and subtract it by the previous term.

$\frac{-3}{2} - \frac{-1}{2} =-1$

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3 years ago

Read 2 more answers

Miss Allen read for 3/4 of an hour less than the student who read the most. How long sis Miss Allen read for?

kolbaska11 [484]

Answer:

See Explanation

Step-by-step explanation:

Given

$Allen = \frac{3}{4}hr$ less than the most hour

Required

Hours read by Miss Allen

The question is incomplete, as the hours read by each student is not given.

To solve this, I will assume that the longest hours read by a student is x.

So, the expression for Miss Allen will be:

$Allen = x - \frac{3}{4}hr$

Assume that $x = 1hr$

The expression becomes

$Allen = 1hr - \frac{3}{4}hr$

Take LCM and solve

$Allen =\frac{4 - 3}{4}hr$

$Allen =\frac{1}{4}hr$

7 0

3 years ago

1.5x - 1.9y = - 29 , x - 0.9 = 4.5

Katyanochek1 [597]

X-0.9 = 4.5
+0.9 +0.9
x = 5.4
( to get rid of the -0.9 beside the x, u have to do the opposite operation on both sides. if its -0.9, u have to add 0.9 on both sides)

not sure about the first one.

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3 years ago

Whether a zero must be written in the dividend to find quotient 1.4/0.05

Elena L [17]

The answer is 28 !!!!!!!!!!!!!!!!!

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3 years ago

25. Write the elements of the given set A A= { x|x is a square number less than 5}

eimsori [14]

Answer:

A = (1, 4)

Step-by-step explanation:

Given :

Square numbers include : 1², 2², 3², 4²,...

x|x square numbers less than 5

1² = 1

2² = 4

3² = 9 (not applicable)

Square numbers less than 5 are ; 1, 4

Hence,

Set A = (1, 4) where, x|x square numbers less than 5

A = (1, 4)

8 0

3 years ago

State the common difference for the given A.P.3/2,1/2,-1/2,-3/2,......​

State the common difference for the given A.P.3/2,1/2,-1/2,-3/2,......