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
alexira [117]
3 years ago
11

I NEED HELP QUICKLY PLEASE PLEASE PLEASE

Mathematics
2 answers:
bija089 [108]3 years ago
6 0

Answer:

The compound interest formula is :

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

Now, we have to find p.

A = 2000

r = 2.8% or 0.028

n = 1

t = 3

Putting the values in formula we get;

2000=p(1+\frac{0.028}{1})^{3}

=> 2000=p(1.028)^{3}

=> 2000=p(1.08637)

=> 2000/1.08637=p

So, p = $1840.99 rounded to $1841.

Part A: John should invest $1841 now to have $2000 in 3 years.

------------------------------------------------------------------------------------------------

Part B:

Now p = 1841

r = 0.028

n = 1

t = 5

A=1841(1+\frac{0.028}{1})^{5}

=> A=1841(1.028)^{5}

=> A=1841(1.1480)

A = $2113.46

Hence, John will have $2113.46 in 5 years.

3241004551 [841]3 years ago
3 0
A. you plug in to a calculator, which will give 1840.986 so you need to round up to 1840.99. if you truncate it to .98 then he won't reach 2000 in 3 years

b. for this one if you look at the equation given to find the principle it is principle = result (1+rate) ^ -time

if you re arrange this you get result=principle (1+rate)^time
so result = 1840.99(1.028)^5
= 2113.57
You might be interested in
20 POINTS!!!!!!!!!! WILL MARK BRAINLIEST!!!
gtnhenbr [62]
Just do b*h/2 for all the triangles.
3 0
3 years ago
A. [4 marks]
storchak [24]

The value of d is -2

Step-by-step explanation:

The nth term of the arithmetic sequence is u_{n}=u_{1}+(n-1)d , where

  • u_{1} is the first term
  • d is the common difference between each 2 consecutive terms

The nth term of the geometric sequence is u_{n}=u_{1}r^{n-1} , where

  • u_{1} is the first term
  • r is the common ratio between each two consecutive terms r=\frac{u_{2}}{u_{1}}=\frac{u_{3}}{u_{2}}

∵ u_{1} of an arithmetic sequence is 1

∵ The common difference is d, where d ≠ 0

∵ u_{2} , u_{3} , u_{6} are the first 3 terms of a geometric sequence

∵ u_{2} = 1 + (2 - 1)d

∴ u_{2} = 1 + d

∵ u_{3} = 1 + (3 - 1)d

∴ u_{2} = 1 + 2d

∵ u_{6} = 1 + (6 - 1)d

∴ u_{2} = 1 + 5d

∴ The first 3 terms of the geometric sequence are (1 + d) , (1 + 2d) ,

   (1 + 5d)

∵ The common ratio in the geometric sequence is r=\frac{u_{2}}{u_{1}}=\frac{u_{3}}{u_{2}}

∴ r=\frac{1+2d}{1+d}=\frac{1+5d}{1+2d}

- Use cross multiplication with the equal fractions

∵ \frac{1+2d}{1+d}=\frac{1+5d}{1+2d}

∴ (1 + 2d)(1 + 2d) = (1 + d)(1 + 5d)

∴ 1 + 2d + 2d + 4d² = 1 + 5d + d + 5d²

- Add like terms in each side

∴ 1 + 4d + 4d² = 1 + 6d + 5d²

- Subtract 1 from both sides

∴ 4d + 4d² = 6d + 5d²

- Subtract 4d from both sides

∴ 4d² = 2d + 5d²

- Subtract 4d² from each side

∴ 0 = 2d + d²

- Take d as a common factor

∴ 0 = d(2 + d)

- Equate each factor by 0

∴ d = 0 but we will reject it because d ≠ 0

∴ 2 + d = 0

- Subtract 2 from both sides

∴ d = -2

The value of d is -2

Learn more:

You can learn more about the sequence in brainly.com/question/1522572

#LearnwithBrainly

7 0
3 years ago
PLEASE HELP IMMEDIATELY! HURRY!
Fynjy0 [20]

Answer:

5 * 5 * 5 * 5

Step-by-step explanation:

Use the rules of Indices.

5⁶⁻²

= 5⁴

8 0
3 years ago
Read 2 more answers
The edge of each cube used to build this rectangular prism is 1/3 inch long. Which equation shows the volume of the prism, in cu
KiRa [710]
(1/3) cubed, since the equation for the volume of a cube is an edge, cubed
8 0
3 years ago
Read 2 more answers
Please help!<br><br> 2x-20°<br> x+5°<br> x=?
strojnjashka [21]

answer=

2 • (x - 10)

x + 5 is just x + 5

7 0
3 years ago
Other questions:
  • Tara and jodys bedrooms are shaped like rectangles . Tara bedroom is 9 feet long and 8 feet wide. jodys bedroom is 7 feet long a
    5·1 answer
  • Any help is much appreciated
    11·1 answer
  • Im having trouble on 2 questions... 2 (x-5)=x-8 and
    8·1 answer
  • What’s the area of PQSU? ______sq mi
    14·2 answers
  • What’s the range of possible sizes for side x
    12·1 answer
  • Which picture illustrates the prophase stage of mitosis?
    9·2 answers
  • Need help fast as possible!!!! Pleaseeeee!!!!!!!!
    10·1 answer
  • How many moles are in 4.23 x 1024 formula<br> units of NaCl
    9·1 answer
  • Which equation should you solve to find x?<br> ​
    13·1 answer
  • A 2-gallon bucket of paint costs $59.20. What is the price per cup?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!