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
lapo4ka [179]
3 years ago
8

A savings account is started with an initial deposit of $700. The account earns 1.5% interest compounded

Mathematics
1 answer:
marusya05 [52]3 years ago
4 0

Answer:

  (a)  A = 700×1.015^t

  (b)  36.2 years

Step-by-step explanation:

(a) Each year, the account value is multiplied by (1 + 1.5%) = 1.015. Repeated multiplication is signified using an exponent. In t years, when the account has been multiplied by 1.015 t times, the account value will be ...

  A = $700×1.015^t

__

(b) You want to find t when A=$1200. Logarithms are involved.

  1200 = 700×1.015^t . . . . use 1200 for A

  1200/700 = 1.015^t . . . . . divide by 700

  log(12/7) = t×log(1.015) . . . . . take logarithms

  log(12/7)/log(1.015) = t ≈ 36.2 . . . . divide by the coefficient of t

It will take about 36.2 years for the account balance to reach $1200.

You might be interested in
The ratio of boys to girls in a class is 2:3 There are 6 more girls than boys in the class. How many girls are in the class?
kolbaska11 [484]

Answer:

4

Step-by-step explanation:

ratio= 2:3

2   :    3

B   :   G

0    :   6

3*2=6

2*2= 4

7 0
2 years ago
Read 2 more answers
Write an equation for the line parallel to the given line that contains C.<br> Help
tangare [24]
There is no photo shown
6 0
3 years ago
Help I need to know I only have 15 min <br> What does x equal in x/2=-5
SSSSS [86.1K]

Answer:

x= -10

Step-by-step explanation:

Brainliest please? :)

3 0
3 years ago
The formula below gives the sum of the degrees, S, of the interior angles of a polygon. If n represents the number of sides, whi
Helga [31]

Answer:

The equation representing the value of <em>n</em> is, n=\frac{S}{180^{\text{o}}}+2.

Step-by-step explanation:

The formula to compute the sum of the degrees, S, of the interior angles of a polygon is:

S=(n-2)\times 180^{\text{o}}

Compute the equation of <em>n</em> as follows:

   S=(n-2)\times 180^{\text{o}}

\frac{S}{180^{\text{o}}}=(n-2)

   n=\frac{S}{180^{\text{o}}}+2

Thus, the equation representing the value of <em>n</em> is, n=\frac{S}{180^{\text{o}}}+2.

3 0
3 years ago
Write the number in expanded form 637
Alexxandr [17]
600+30+7 if that is what you meant...
4 0
3 years ago
Read 2 more answers
Other questions:
  • Sonji has $5.25 in nickels and dimes . The coin value can modeled by the equation 0.10+0.05n=5.25, where d represents the number
    9·1 answer
  • Which equations represent the line that is parallel to 3x - 4y = 7 and passes through the point (-4,-2)? Select two
    10·1 answer
  • Which is the best estimate for the height of a tall tree?
    7·1 answer
  • The height of a door is 210 cm.
    15·1 answer
  • Find the value of t. Write your answer as a decimal number. 88.65 t 88.75 on a number line?
    6·1 answer
  • Mike is checking his bank account for a few transactions that he completed. He deposited a $640 paycheck withdrew $20 for dinner
    15·1 answer
  • Cos(3pi/4)= HELLPPPP
    7·1 answer
  • Drag and drop the correct terms to classify the triangles based on sides or angles.
    11·1 answer
  • Write an equation in slope-intercept form for the line that passes through the given point and is parallel to the following equa
    5·1 answer
  • What are the answers for x, y, and z?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!