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Slav-nsk [51]
2 years ago
6

Answer this please for 15 points

Mathematics
1 answer:
spin [16.1K]2 years ago
4 0

Answer:

18/2 : 9

Step-by-step explanation:

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Solve the linear equation. 8x+32=1/5(25x−15)−4x
Kipish [7]

Answer: x= 5

Step-by-step explanation:

8x+32=1/5(25x−15)−4x

8x + 32 = <u>25x -15</u> - 4x   <u><em>- 25x -15/  5</em></u>

                    5

8x + 32 = 5x -3 - 4x

8x + 4x - 5x = -32 - 3

7x =-35

x = 35/7

x= 5

5 0
3 years ago
Pls solve for x!: 2x−5.6 over 3 = 1−x over 1.5
olga2289 [7]

Answer:

Step-by-step explanation:

1 2/3 (5 2/7)

5 0
3 years ago
If $10,000 is invested in an account at 4.8% annual simple interest, how long will it take for the account balance
Lesechka [4]
10000+4.8%=10480
10480+4.8%=10983.04
10983.04+4.8%=11510.22592


so 3 years
7 0
3 years ago
Read 2 more answers
What is the inverse of the function
Ilya [14]
Then the inverse<span> is y = </span>(x + 2)<span> / </span>3<span>.</span>
6 0
3 years ago
A point moves along a straight path. The function f ( t ) = log 2 ( t ) determines the distance (in meters) the point has travel
Marina CMI [18]

Answer:

a) 4.392317 mt

b) 9 seconds

c) \large f^{-1}(d)=2^d\;sec.

Step-by-step explanation:

We have

\large f(t)=log_2(t)

where t is given in seconds and t in meters.

<em>a)How far has the point traveled 21 seconds after it started moving?</em>

By replacing t=21 in our equation we get

\large f(21)=log_2(21)=4.392317 \;mt

<em>b)If the point has traveled 3.16993 meters, how many seconds have elapsed since it started moving?</em>

We need to find a t such that f(t) =3.16993.  

This can be accomplished by using the definition of log_2

\large f(t)=3.16993\rightarrow log_2(t)=3.16993\rightarrow t=2^{3.16993}=9\;sec.

<em>c)Write a function f^{-1} that determines the number of seconds that have elapsed since the particle started moving in terms of the distance (in meters) the particle has traveled.</em>

f^{-1} is given by the definition of log

\large f^{-1}(d)=2^d\;sec.

5 0
3 years ago
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