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2 years ago

Mei Mei invested $1700 in an account that pays 3% interest compounded annually.

Mathematics

1 answer:

algol [13]2 years ago

4 0

Answer:

$2728

Step-by-step explanation:

Use compound interest formula:

$A = P(1 + \frac{r}{n})^{nt}$

P = 1700, r = 0.03, n = 1, t = 16

Plug in numbers:

$A = 1700(1 + \frac{0.03}{1})^{(1)(16)}$

Simplify:

$A = 1700(1.3)^{16$

Use calculator:

$A = 2728$

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The perimeter of a rectangle is 48 centimeters. the relationship between the length, the width, and the perimeter of the rectang

serious [3.7K]

Answer:

1. 14 cm

2. 20.4 cm

3. 24 - w

Step-by-step explanation:

Let's start with the last question, as it'll make answering the previous two a lot easier. In the 3rd question, we are asked to create a formula to find the length of a given rectangle, using its given perimeter of 48 centimeters and width of $w$ centimeters.

Therefore, let the length of the rectangle be $l$ , we can construct the following equation:

$2l + 2w = 48\\\to2l = 48 - 2w\\\to l = \frac{48 - 2w}2\\\to l = 24 - w$

Now we have a formula that defines our length, if given the width of the rectangle. The only thing from here on out is to substitute the given widths to the formula we just found.

1. $w = 10$ , therefore, $l = 24 - 10 = 14$ .

2. $w = 3.6$ , therefore, $l = 24 - 3.6 = 20.4$ .

5 0

9 months ago

Dylan is six years older than his sister. If his sister's age is represented by the variable s, which of the following expressio

FromTheMoon [43]

Answer:

HI! That would be s + 6. aka C. <3 have a good day/night

Step-by-step explanation:

5 0

3 years ago

At the movie theater child admission is 6000 and $.30 an adult mission is $9.60 on Wednesday 172 tickets were sold for a total s

jasenka [17]

Answer:

The number of child tickets sold was 75 and the number of adult tickets sold was 97

Step-by-step explanation:

<u><em>The correct question is</em></u>

At the movie theater child admission is $6.30 an adult admission is $9.60 on Wednesday 172 tickets were sold for a total sales of $1403.70 How many child tickets and adult tickets were sold that day?

Let

x ----> number of child tickets sold

y ----> number of adult tickets sold

we know that

$x+y=172$ ----> equation A