1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
prisoha [69]
3 years ago
14

A person invested $3,500 in an account growing at a rate allowing the money to double every 15 years. How long, to the nearest t

enth of a year would it take for the value of the account to reach$7,700?
Mathematics
2 answers:
nignag [31]3 years ago
8 0

Answer:

30 years and a half

Step-by-step explanation:

well let's just say 3.5k x hmm 2? at an estimate and that will get us to 7000.. so in order to get to 7000 we have to wait 15 years which is 30 years and a half. From Xthermyx. A brainly user.

Maslowich3 years ago
7 0

Answer:

t = 17.1

Step-by-step explanation:

y = a(2) ^{ \frac{t}{d} }

y = 7700 \:  \: a = 3500 \:  \: d = 15

\frac{7700}{3500}  =  \frac{3500(2) ^{ \frac{t}{15} } }{3500}

2.2 =  { 2}^{ \frac{t}{15} }

\frac{ log(2.2) }{ log(2) }  =  \frac{t}{15}

1.1375352 =  \frac{t}{15}

15(1.13750352) = t

17.062552856 = t

t = 17.1

You might be interested in
Suppose you buy a CD for $300 that earns 3% APR and is compounded quarterly. The CD matures in 3 years. How much will this CD be
andrew-mc [135]

Given: Principal Amount (P) = $300

The rate of interest (r) = (3/4) compounded quarterly.

No. quarters in 3 years (n) = 3×4 = 12

To find: The amount for the CD on maturity. Let it will be (A)

Formula: Compound Amount (A) = P [ 1 + (r ÷100)]ⁿ

Now,   (A) = P [ 1 + (r ÷100)]ⁿ

or,            = $300 [ 1 + (3 ÷400)]¹²

or,            = $300 × [ 403 ÷ 400]¹²

or,            = $300 × 1.0938069

or,            = $ 328.14

Hence, the correct option will be C. $328.14

7 0
3 years ago
Read 2 more answers
What is slope of the libe
Xelga [282]
The slope of a line usually determines id the line is negative or positive. For example, lines going uphill, or uphill slopes, are positive slopes. The slope will be a positive number such as, yet not limited to, 5, 10, or 57. Or you can also take their counter parts for example, downhill slopes would be considered negative slopes, meaning they go below zero, instead of above, like positive slopes. Hope this helps. :D
7 0
3 years ago
Four plumbers estimated the length of the radius of a cylindrical pipe. The estimates made by
o-na [289]

Answer:

B. \frac{\sqrt{3}}{11}, \frac{\pi}{24}, \frac{3}{25},  \frac{9}{100}

Step-by-step explanation:

The question is not properly presented. See attachment for proper presentation of question

From the attachment, we have that:

W = \frac{3}{25}

X = \frac{\sqrt{3}}{11}

Y = \frac{9}{100}

Z = \frac{\pi}{24}

Required

Order from greatest to least

First, we need to simplify each of the given expression (in decimals)

W = \frac{3}{25}

W = 0.12

X = \frac{\sqrt{3}}{11}

Take square root of 3

X = \frac{1.73205080757}{11}

X = 0.15745916432

X = 0.16 --- approximated

Y = \frac{9}{100}

Y = 0.09

Z = \frac{\pi}{24}

Take π as 3.14

Z = \frac{3.14}{24}

Z = 0.13083333333

Z = 0.13  --- approximated

List out the results, we have:

W = 0.12    X = 0.16    Y = 0.09    Z = 0.13

Order from greatest to least, we have:

X = 0.16     Z = 0.13      W = 0.12       Y = 0.09

Hence, the order of arrangement is:

X = \frac{\sqrt{3}}{11}     Z = \frac{\pi}{24}      W = \frac{3}{25}      Y = \frac{9}{100}

i.e.

\frac{\sqrt{3}}{11}, \frac{\pi}{24}, \frac{3}{25},  \frac{9}{100}

6 0
3 years ago
The point (5, 3) is represented on the graph. Which point also belongs on this graph?
kirill [66]
Do you have a picture of the graph,  I cant help u with out it. :)
8 0
3 years ago
Read 2 more answers
The formula for the cost of buying a car is:
Mice21 [21]

Answer:

a) The cost of buying this car is of £6200.

b) The monthly payment is of £450.

Step-by-step explanation:

The cost of buying a car is given by:

cost = 12 X monthly payment + deposit

a) Find the cost of a car when the monthly payment is £350 and the deposit is £2000.

So

cost = 12*350 + 2000 = 4200 + 2000 = 6200

The cost of buying this car is of £6200.

b) The cost of another car is £8000. Find the monthly payment when the deposit is £2600.

Again, the formula is applied. So

cost = 12 X monthly payment + deposit

8000 = 12x + 2600

12x = 5400

x = 5400/12

x = 450

The monthly payment is of £450.

7 0
3 years ago
Other questions:
  • Stefanie is painting her bedroom. She can paint square feet in of an hour. How many square feet can she paint in one hour?
    7·1 answer
  • What is the highest degree of the following polynomial? X^2+3X-10
    8·1 answer
  • 15 paperclips or equal size weigh 2 grams altogether. Is the number of paperclips proportional to their weight?
    13·1 answer
  • Tickets to a baseball game cost $18.95, $12.95, or $9.95. A hot dog and soda combo costs $5.50. The Madison family is having a r
    6·2 answers
  • 2 1/8 divided by 34
    15·1 answer
  • The Screen Shot Is The Question
    13·1 answer
  • Who can solve this for me real quick?
    12·1 answer
  • What is the measure of BD?
    12·1 answer
  • Just please help me I really need it!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    11·1 answer
  • Algebra 1 - 25 POINTS<br> I Need this done by today...<br> Definitions:<br> I NEED 7, 12 and 16!!
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!