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2 years ago

Look at the image below and identify:

Mathematics

2 answers:

Mice21 [21]2 years ago

6 0

The number two is the same
The number 4 if what’s different

Andrews [41]2 years ago

5 0

Answer:

the difference is number 4

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Write a rule for the nth term of the arithmetic sequence: a11= 50, d = 7

ivolga24 [154]

Answer:

Required rule for $n^{th}$ is $a_{n}=7n-27$ .

Step-by-step explanation:

Given that,

$a_{11} = 50,\ \ d=7$

From the question: we have to write the $n^{th}$ term of Arithmetic sequence.

Arithmetic Sequence or Arithmetic progression (A.P) : It is a sequence which possess that difference between of two successive sequence is always constant.

$a_{1} ,a_{2},a_{3},a_{4}.....................a_{n-1},a_{n}$

where, $a_{1}$ is the first term of A.P

$d$ is the common difference.

$a_{n}$ is the last term or general term.

The above sequence to be in A.P then their common difference should be equal.

$d=a_{2}-a_{1} =a_{3}-a_{2}=a_{4} -a_{3} ..........................a_{n}-a_{n-1}$

Now, Formula of General Term is $a_{n}=a+(n-1)d$

So, $a_{11}= a+(11-1)d\\ a_{11} = a+10d$

Substituting the value of $a_{11} = 50,\ \ d=7$ we get,

$50=a+10\times7\\50=a+70\\a=-20$

Then General term ( $a_{n}$ ) of given data is

$a_{n}=-20+(n-1)7\\a_{n}=-20+7n-7\\a_{n}=7n-27$

Therefore, Required rule for $n^{th}$ is $a_{n}=7n-27$ .

5 0

3 years ago

Which ones apply? Answers please

Artyom0805 [142]

Options 1 and 3 are the correct answers

6 0

3 years ago

Question 9 of 10 Which of the following statements must be true about this diagram? Check all that apply. 10 A. x+y=w B. W> Y

Nataliya [291]

Answer:

<h2>MY ANSWER IS E.</h2>

HOPE IT HELPS ❤️

8 0

2 years ago

Find the percent of change. round to the nearest percent. original 132 new: 150

lbvjy [14]

The percentage change is 18%

3 0

2 years ago

Read 2 more answers

Which pair of angles has congruent values for the sin x° and the cos y°?

IRISSAK [1]

Answer:

Step-by-step explanation:

We know that if angles x and y are complementary, then sin(x)=cos(y).

This means the measures of the angles have to add to 90 degrees, which is satisfied by the fourth option.

7 0

2 years ago