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chubhunter [2.5K]

2 years ago

15

What is the value of the expression 3^2(2^3+4)/2^2?

1 answer:

Step2247 [10]2 years ago

7 0

Answer:

27

Step-by-step explanation:

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The first term of a geometric sequence is 7, and the ratio (multiplier) is 3. what is the sum of the first 5 terms of the sequen

Anni [7]

Hello,

1)
$a_{1}=7$
$a_{2}=7*3$
$a_{3}=7*3^2$

$a_{n}=7*3^{n-1}$

$s=a_{1}+a_{2}+a_{3}+a_{4}+a_{5}=7*(1+3^1+3^2+3^3+3^4)$
$=7*\frac{3^{5}-1}{3-1}$
$=7*242/2=847$

2)
$b_{8}=6*8^{8-1}=12582912$

4 0

3 years ago

I will give Brainliest its maths and I need help on a b and c

JulsSmile [24]

Answer:

${5}^{3} \times {5}^{x} = {5}^{7} \\ 3 + x = 7 \\ x = 4$

$( {q}^{2} )^{y} = {q}^{6} \\ 2y = 6 \\ y = 3$

${1000}^{m} \div {100}^{n} = {10}^{z} \\ \frac{1000 ^{m} }{ {100}^{n} } = {10}^{z} \\ \\ {10}^{m - n} = {10}^{z}$

Can I have the brainliest please?

4 0

3 years ago

Read 2 more answers

Identify the parent function that can be used to graph the function f(x)=-6[1/2x+3]+2/3

Sedaia [141]

Answer:

B

Step-by-step explanation:

8 0

2 years ago

IF U HELP RN ILL GIVE U BRAINLIEST

shutvik [7]

Answer:

i need more info. that part dont help. if you took pic of the sentence they gv you that would be easier to work with.

Step-by-step explanation:

5 0

2 years ago

What is the approximate value of q in the equation below?

gayaneshka [121]

<u>Given</u>:

The given equation is $q+\log _{2}(6)=2 q+2$

We need to determine the approximate value of q.

<u>Value of q:</u>

To determine the value of q, let us solve the equation for q.

Hence, Subtracting $\log _{2}(6)$ on both sides of the equation, we get;

$q=2 q+2-\log _{2}(6)$

Subtracting both sides of the equation by 2q, we have;

$-q=2-\log _{2}(6)$

Dividing both sides of the equation by -1, we have;

$q=\log _{2}(6)-2$

Now, substituting the value of $log_2(6)=2.585$ , we have;

$q=2.585-2$

Subtracting the values, we get;

$q=0.585$

Thus, the approximate value of q is 0.585

Hence, Option C is the correct answer.

5 0

3 years ago

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