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2 years ago

9

April invests in an annually compounded account with an interest rate of 4.1%. After 6 years, she plans to have $8600 in her acc

ount. For this to be true, what must be her initial investment?

1 answer:

SOVA2 [1]2 years ago

3 0

Answer:

d

Step-by-step explanation:

i think so

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7(2+5v)=3v+14 can anyone help???

arsen [322]

7(2+5v)=3v+14
14+35v=3v+14
-3v -3v
14+32v=14
-14 -14
32v=0
÷32 ÷32
v=0

hope this helps!!

5 0

3 years ago

Read 2 more answers

In a sample of 41 temperature readings taken from the freezer of a restaurant, the mean is 29.7 degrees and the population stand

yKpoI14uk [10]

Answer: $=(29.1596\text{ degrees},\ 30.2404\text{ degrees})$

Step-by-step explanation:

Given: Sample size: n = 41

Sample mean $\overline{x}= 29.7$ degrees

Population standard deviation $\sigma=2.7$ degrees

Confidence level (c) = 80% =0.80

Significance level (a) = 1- c = 1-0.80 = 0.20

z-score for 80% confidence level : z = 1.2816 [from z-table]

Confidence level for population mean :-

$\overline{x}\pm z\dfrac{\sigma}{\sqrt{n}}$

$=29.7\pm ( 1.2816)\dfrac{2.7}{\sqrt{41}}$

$=29.7\pm ( 1.2816)\dfrac{2.7}{6.403124}$

$=29.7\pm ( 1.2816)(0.42167)$

$=29.7\pm 0.5404$

$=(29.7-0.5404,\ 29.7+0.5404)$

$=(29.1596,\ 30.2404)$

Hence, 80% confidence interval for the temperatures in the freezer $=(29.1596\text{ degrees},\ 30.2404\text{ degrees})$

7 0

2 years ago

Which of the following is an arithmetic sequence?

seropon [69]

Answer:

B

Step-by-step explanation:

Brainliest please, thanks :)

6 0

2 years ago

The perimeter of a rectangular garden is 108 meters. The length is 6 meters longer than twice the width. Find the dimensions of

faltersainse [42]

The answer is that the width is 16 m

7 0

2 years ago

What is the difference between a sequence and a series? What is the difference between a geometric and an arithmetic sequence?

Neporo4naja [7]

Answer/Step-by-step explanation:

A series is events coming one after another but a sequence is in a certain order.

arithmetic is the difference between two constant terms while geometric is the ratio between two constant terms.

arithmetic: -

geometric: ÷

5 0

3 years ago