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
HACTEHA [7]
3 years ago
6

you put $400 in an account. the account earns $18 simple intrest in 9 months. what is the anual interest rate?

Mathematics
2 answers:
mojhsa [17]3 years ago
8 0

Use the formula,

I = Prt

P = Principal amount = 400

I  = interest = 18

r = annual rate

t = time in years = 9/12 = 3/4


so,

18 = 400*r*3/4


r =  0.06

so the annual interest rate is 0.06 or 6%


meriva3 years ago
7 0

Answer:

6%

Step-by-step explanation:

I = Prt, so r = I / (Pt)

t = 9 months / 12 months = 0.75

r = $18 / ($400 * 0.75) = 0.06, or 6%

You might be interested in
Find an ordered pair , x y that is a solution to the equation. 3x-y=1
NemiM [27]

Answer:

2,5

Step-by-step explanation:

2,5 is just one of the many solutions to this problem. you can just take a random number for x, for example 2. your equation will look like this 3(2)-y=1. now you just solve for y. 3x2=6. 6-1=5. so y=5.

3 0
3 years ago
the price of a mobile phone was $600 in 2007. The price of a mobile phone is 2019 as increased to $1,100. What is the inflation
Elenna [48]

Answer:

0.83

Step-by-step explanation:

The $500 price increase over this 12 year span results in the inflation rate:

$500

---------- = 0.83..., or 0.83 to the nearest hundredth (equivalent to 83%)

 $600

6 0
3 years ago
316.1 -
Anettt [7]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
]solomon needs to justify the formula for the arc length of a sector. which expression best completes this argument? the circumf
Anna35 [415]

Answer:

\frac{2 \pi r}{\frac{360^{\circ}}{n^{\circ}}} best completes this argument

Step-by-step explanation:

Circumference of circle =\pi \cdot d

Where d is the diameter of circle

We are given that if equally sized central angles, each with a measure of n°, are drawn, the number of sectors that are formed will be equal to \frac{360^{\circ}}{n^{\circ}}

So, Number of sectors =  \frac{360^{\circ}}{n^{\circ}}

The arc length of each sector is the circumference divided by the number of sectors

\Rightarrow \frac{\pi \cdot d}{\frac{360^{\circ}}{n^{\circ}}}

Diameter d = 2r (r = radius)

\Rightarrow \frac{2 \pi r}{\frac{360^{\circ}}{n^{\circ}}}

Option b is true

Hence\frac{2 \pi r}{\frac{360^{\circ}}{n^{\circ}}} best completes this argument

7 0
3 years ago
Should you use Sine, Cosine, or Tangent to solve the following problem
olga55 [171]

tangent

Step-by-step explanation:

because it gave u an angel and and adjacent so your x is the opposite so sin20=x÷17 just use your calculator u will find the ans

8 0
3 years ago
Other questions:
  • (3/5 - 1/2) divided by 1/2 + 1.6 x (0.3 + 0.42)
    8·1 answer
  • What is the value of 12-6*3?
    10·2 answers
  • Which step is wrong, Step 1, Step 2, Step 3 or Li didn't make a mistake
    15·1 answer
  • John placed $5000 in an account that earns interest compounded annually. His interest rate is 8.2%. If John leaves his money in
    15·1 answer
  • Hello how is ur days going
    9·2 answers
  • Guys pls help me!!!!!!!!
    13·2 answers
  • I am an odd number if you take away one I become even​
    10·1 answer
  • Two particles are projected simultaneously towards each other from opposite ends of a straight horizontal tube. One particle tra
    11·1 answer
  • A car accelerates at 3.00 m/s2. The car has a mass of 1354kg. What net force will produce the acceleration?
    9·1 answer
  • Q. A customer wants to re-carpet a living room andhallway. You charge $5.99 per square yard toremove old carpet and $4.50 per sq
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!