MATHEMATICS HIGH SCHOOL

there is a circular path around a sports field Soniye X 18 minutes drive one round of the field while Ravi takes 12 minutes for the same the first they both started the same point in same time I am going the same direction after how many minutes will they meet again at the starting point​

Answers

Answer 1
Answer: Yes it is 14 The answer to the question

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Please help 6n^2-5n^2-7n^2 simplify the expression
4,2 and 6, -5Give answer
The height of a balloon is given by the fucntion s(t)= -960t^2+26400t , where t= hours since lift-off and s= feet . Find the velocity of the balloon 5 hours after lift off
What is base 1 of a trapezoid in which A=(48x+68) in^2, height =8, and base 2 = (9x + 12)

What is the inverse of the function f(x)=1/9x+2

Answers

Answer:

f^(-1)(x)=9x-18

Step-by-step explanation:

we have

f(x)=(1)/(9)x+2

Let

y=f(x)

y=(1)/(9)x+2

Exchange variables x for y and y for x

x=(1)/(9)y+2

Isolate the variable y

x-2=(1)/(9)y

y=9(x-2)

y=9x-18

Let

f^(-1)(x)=y

f^(-1)(x)=9x-18 -------> inverse function
f(x) = 1/9x+2

-2 from both sides

f(x)-2 = 1/9x

*2 to both sides

9(f(x)-2) = x

replace 'f(x)' with 'x'

9(x-2) = f(x^-1)

simplify and reverse sides

f(x)^-1 = 9x-18

What is the equation in point-slope form for the line parallel to y = –2x + 10 that contains J(6, 8)?Choose one answer.
a. x – 8 = 2(y – 6)
b. y – 8 = 2(x – 6)
c. y + 8 = –2(x – 6)
d. y – 8 = –2(x – 6)

Answers

y-y1= m(x1-x2)
using this formula
the answer is d
because slope has to remain the same if its parallel

What are the solutions to the equation (x – 6)(x + 8) = 0?x = –6 or x = 8
x = –6 or x = –8
x = 6 or x = –8
x = 6 or x = 8

Answers

x=6 and x=-8

To solve this, you would treat x-6=0 as one equation, you add 6 to each side to get rid of -6, hence you would get x=6.

Same goes for x+8=0, subtract 8 from each side to get rid of the +8, then you get x=-8
The third option mam. 

Solve the equation.

x2 = 160

Answers

divide both side by 2 ad you get x=80

If f(1)=3 and f(n)=-2f(n-1)+1,then f(5)=

Answers

The value f(5) when f)1) = 3 is f(5) = 43.

How to find the 5th term of the sequence?

The fifth term of the sequence can be found by finding the value of all the terms that precede it.

We can find the value of f(5) as shown below:

The value of f(1) is given as:

f(1) = 3

With this, we can find the value of f(2) and with f(2), we can find the value of f(3), and so on.

f(n) = - 2f(n-1)+1

At n = 2:

f(2) = -2f(2-1)+1

= - 2f(1)+1

= - 2*3 + 1

= - 5

When n = 3:

f(3) = -2*-5 + 1

= 11

When n = 4:

f(4) = -2*11 + 1

= -21

When n = 5:

f(5) = -2*-21 + 1

= 43

Therefore, we have found the value of f(5) to be f(5) = 43.

Learn more about sequences here: brainly.com/question/6561461

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f(5) = - 2f(4) + 1
f(4) = -2f(3) + 1
f(3) = -2f(2) + 1
f(2) = -2f(1) + 1
Therefore:
 f(2) = -2(3) + 1 = -5
f(3) = -2(-5) + 1 = 11
f(4) = -2(11) + 1 = -21
Therefore f(5) = -2(-21) + 1 = 43

A sailboat depreciates at 15% of its original value each year. If the sailboat was $9500 at its time of purchase, what is the value of the sailboat after 7 years?

Answers

The sailboat would be fully depreciated when the 7th year comes when it was depreciated 15% every year. This is because when you try to multiply 15% by 7 it would give you 105%, it already exceeds the 100% value of the sailboat.
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