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Brilliant_brown [7]
2 years ago
9

Please help me I need this for exam tomorrow and can u please show the working

Mathematics
1 answer:
Sergio [31]2 years ago
7 0

Answer:

46,57/4

Step-by-step explanation:

area = π.r^2 = π.(d^2)/4

d^2 = AB^2= 5,6^2+3,9^2 =46,57

----> area = π.46,57/4

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What is the greatest possible product of a 2 digit number and a 1 digit number
Molodets [167]
891
because 99(the greatest 2 digit number)*9(the greatest 1 digit number)=891
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3 years ago
A person invests 7000 dollars in a bank. The bank pays 5.5% interest compounded
kotykmax [81]

The time required to get a total amount of $13,200.00 with compounded interest on a principal of $7,000.00 at an interest rate of 5.5% per year and compounded 12 times per year is 11.559 years. (about 11 years 7 months)

Answer:

t = 11.559 years

<h3>Compound Interest </h3>

Given Data

  • Principal P= $7000
  • Rate r= 5.5%
  • Final Amount A = $13200
  • Time t = ??

(about 11 years 7 months)

Calculation Steps:

First, convert R as a percent to r as a decimal

r = R/100

r = 5.5/100

r = 0.055 per year,

Then, solve the equation for t

t = ln(A/P) / n[ln(1 + r/n)]

t = ln(13,200.00/7,000.00) / ( 12 × [ln(1 + 0.055/12)] )

t = ln(13,200.00/7,000.00) / ( 12 × [ln(1 + 0.0045833333333333)] )

t = 11.559 years

Learn more about compound interest here:

brainly.com/question/24924853

6 0
2 years ago
Please help ! Will mark brainliest!
Brrunno [24]

Answer:

$8

Step-by-step explanation:

if he works overtime for ten hours and earned $120 he makes $12 overtime pay. If you divide that by time and a half it's 8

5 0
3 years ago
What is a equivalent ratio of 16:18
Elis [28]

equivalent ratio of 16:18 is 8:9

6 0
3 years ago
Read 2 more answers
Nathan is playing golf at a golf course. The height of the golf ball from the ground, in feet, x seconds after the ball is hit i
lozanna [386]

Answer:

A.  the times at which the golf ball is on the ground

Step-by-step explanation:

The expression of the function is

h(x)= -4x^2+36x

The roots can be seen in the image below

You have a formula which represents the height over time.

The roots of the equation indicate that the height is equal to zero

The correct option is

A.  the times at which the golf ball is on the ground

The ball is in the ground at x= 0 and x = 9 seconds

8 0
3 years ago
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