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3 years ago

LAST QUESTIONSSS DONT GO AWAYY PLZZZ HELPPP IM BEGGINGG REWARD BRAINLIEST

Mathematics

2 answers:

Soloha48 [4]3 years ago

7 0

Answer:

I don't know if I'm right at all

x 1/2 2

5 × x2 ^

Ede4ka [16]3 years ago

4 0

Answer:

Question 13:C Question 12:D I think I already answered Question 20 and 21

same with 18 and 19 Question 24:C Question 25:B

Step-by-step explanation:

My brain is so pooped. hope these are right...

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Find the 8th term of the geometric sequence whose common ratio is 2/3 and whose first term is 7

motikmotik

Answer:

The 8th term of the sequence is 896/2187.

Step-by-step explanation:

We want to find the 8th term of a geometric sequence whose common ratio is 2/3 and whose first term is 7.

We can write a direct formula. Recall that the direct formula of a geometric sequence is given by:

$\displaystyle x_{n} = a\left(r\right)^{n-1}$

Where a is the initial term and r is the common ratio.

Substitute:

$\displaystyle x_{n} = 7\left(\frac{2}{3}\right)^{n-1}$

To find the 8th term, let n = 8. Substitute and evaluate:

$\displaystyle \begin{aligned} x_{8} &= 7\left(\frac{2}{3}\right)^{(8) - 1} \\ \\ &= 7\left(\frac{2}{3}\right)^{7} \\ \\ &= 7\left(\frac{128}{2187}\right) \\ \\ &= \frac{896}{2187} = 0.4096...\end{aligned}$

In conclusion, the 8th term of the sequence is 896/2187.

8 0

3 years ago

How many 1/3 cups servings are in 4 cups

Andrew [12]

Only one that would make sense is 1/12

8 0

3 years ago

Read 2 more answers

The perimeter of the rectangle below is 184 m .What is the value of y

stiks02 [169]

Step-by-step explanation:

2x + 2y = 184 ---- eqn 1

y = 184 - 2x / 2

y = 92 - x ---- eqn 2

7 0

3 years ago

I tried this few times in yeah so i could not find it.

Step2247 [10]

Answer:

5 is the answer

Step-by-step explanation:

$\dfrac{ \left( 44+ { 9 }^{ 2 } \right) }{ { 5 }^{ 2 } }$

Calculate 9 to the power of 2 and get 81

$\dfrac{ 44+81 }{ { 5 }^{ 2 } }$

Add 44 and 81 to get 125

$\dfrac{ 125 }{ { 5 }^{ 2 } }$

Calculate 5 to the power of 2 and get 25

$\frac{125}{25}$

Divide 125 by 25 to get 5

$5$

7 0

3 years ago

How many servings in 3/4 of a cookie when each serving is 1/2 cookie

pishuonlain [190]

1 1/2 servings are in 3/4 bc 2/4= 1/2 and theres 1/2 a cookie left and if u take half of that it gets to 3/4

3 0

3 years ago