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2 years ago

To find the product of x4 and 6 do you

Mathematics

1 answer:

zhannawk [14.2K]2 years ago

8 0

Step-by-step explanation:

to find the product of 4 and 6

we multiply 4 and 6

i.e,4×6

=24

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determine if the sequence is geometric if it is find the common ratio the 8th term and the explicit formula can someone check my

mylen [45]

Answer:

You can check the answer by yourself after seeing the below answer.

Step-by-step explanation:

A sequence is geometric only if has common ratio i.e. $r=\frac{a2}{a1} =\frac{a3}{a2}$ whiere a1,a2 and a3 are first,second and third term of the sequence respectively.

1) Common ratio $r=\frac{-18}{-3}=\frac{-108}{-18}=6\\$

Explicit formula $a_{n} =a_{1} .r^{n-1}$

Now using the above formula, we can find $8^{th} term=-3*(6)^{8-1} =-3*6^{7}=-839808.$

2) Here

$\frac{a2}{a1}\neq \frac{a3}{a2}\\\frac{-2}{-4}\neq \frac{1}{-2}\\\frac{1}{2}\neq\frac{1}{-2}$ so this is not geometric sequence so no need to proceed further.

3) Common ratio $r=\frac{15}{-3}=\frac{-75}{15}=-5\\$

Explicit formula $a_{n} =a_{1} .(-5)^{n-1}$

Now using the above formula, we can find $8^{th} term=-3*(-5)^{8-1} =-3*(-5)^{7}=234375.$

4) Common ratio $r=\frac{-6}{1}=\frac{36}{-6}=-6\\$

Explicit formula $a_{n} =a_{1} .(-6)^{n-1}$

Now using the above formula, we can find $8^{th} term=1*(-6)^{8-1} =1*(-6)^{7}=-279936.$

5)Common ratio $r=\frac{-8}{4}=\frac{16}{-8}=-2\\$

Explicit formula $a_{n} =a_{1} .(-2)^{n-1}$

Now using the above formula, we can find $8^{th} term=4*(-2)^{8-1} =4*(-2)^{7}=-512.$

6)Common ratio $r=\frac{-8}{-2}=\frac{-32}{-8}=4\\$

Explicit formula $a_{n} =a_{1} .(4)^{n-1}$

Now using the above formula, we can find $8^{th} term=-2*(4)^{8-1} =-2*(4)^{7}=-32768.$

3 0

3 years ago

Which expression is equivalent to n + n - 0.18n

Rudiy27

Answer:

1.82n

Step-by-step explanation:

We combine like terms to simplify this.

Any variable with no other coefficient can be written with a coefficient of 1. This is because everything can be multiplied by 1 without changing it. This means we have

1n + 1n - 0.18n

Combining like terms, we have

2n - 0.18n = 1.82n

4 0

2 years ago

At a school, all 60 students play on at least one of three teams: basketball, soccer, and mathletics. 8 students play all three

svet-max [94.6K]

Only 26 play on exactly 2 teams

8 0

3 years ago

Solve for x.<br> -2(x-7)=16

solniwko [45]

Answer:

-1

Step-by-step explanation:

-2(x-7)=16

-2x +14=16 You distribute

-14 -14

-2x = 2

-2 -2 you divide

and get -1 as your answer.

Hope my answer has helped you!

5 0

2 years ago

1/2,2/5,3/5,3/7 from least to greatest

soldier1979 [14.2K]

your answer would be
2/5, 3/7, 3/5, 1/2

6 0

3 years ago

Read 2 more answers