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Marina CMI [18]
3 years ago
5

Please find answer. ​

Mathematics
1 answer:
Orlov [11]3 years ago
8 0

Answer:

0

Step-by-step explanation:

Since

1

is constant with respect to

A

, the derivative of

1

with respect to

A

is

0

.

0

I'm not sure though, I was just trying.

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The ratio of a basketball player's completed free throws to attempted free throws is 4 to 7. If she completed 12 free thro
mina [271]

Answer:C

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The girl to boy ratio is 3 to 7 if there are 50 students total how many boys
Naddik [55]

Answer:

15 girls, 35 boys

Step-by-step explanation:

Step 1:

3 : 7       Ratio

Step 2:

3x + 7x = 50        Substitute

Step 3:

10x = 50     Add

Step 4:

50 ÷ 10     Divide

Step 5:

x = 5

Answer:

15 girls, and 35 boys     Multiply

Hope This Helps :)

5 0
3 years ago
Solve (x + 5)^(3/2)= (x - 1)^3
IRINA_888 [86]

Answer:

  x = 4

Step-by-step explanation:

For an equation of this sort, my first step is to rewrite it so the solutions are the x-intercepts of the graph:

  (x +5)^(3/2) -(x +1)^3 = 0

The graph is attached. The one real solution is x=4.

__

The solution method for something like this is necessarily ad hoc. Here, it appears that progress can be made by raising both sides of the equation to the 2/3 power:

  ((x +5)^(3/2))^(2/3) = ((x -1)^3)^(2/3)

  x +5 = (x -1)^2

Now, you have an ordinary quadratic that can be solved using any of the usual methods.

  x^2 -2x +1 = x +5 . . . . swap sides, expand the square

  x^2 -3x -4 = 0 . . . . . . put in standard form

  (x -4)(x +1) = 0 . . . . . . factor

The solutions to this are ...

  x = 4, x = -1 . . . . . . . values of x that make the factors zero

__

To see if either of these solutions is extraneous, we can check them:

  (4 +5)^(3/2) = (4 -1)^3 . . . . . substitute 4 for x

  9^(3/2) = 3^3 . . . . . . . . . true

  (-1 +5)^(3/2) = (-1 -1)^3 . . . . . substitute -1 for x

  4^(3/2) = (-2)^3

  8 = -8 . . . . . . . . . . . false; x = -1 is extraneous

The solution is x = 4.

_____

<em>Additional comment</em>

You can eliminate the x=-1 "solution" by considering the domains of the left- and right-side expressions. The 3/2 power is equivalent to the square root of the cube. That will generally only be defined for non-negative values (x ≥ -5). The cube on the right will only be positive for x > 1, so the practical domain of this equation is x ≥ 1.

5 0
3 years ago
Plsss help asap first to answer gets brainest ​
Akimi4 [234]
The rise is 6
and the run is 4
4 0
3 years ago
Question 1- Write an Integer for the Situation below:
gizmo_the_mogwai [7]
13 ft below sea level.....0 is sea level....so 13 feet below 0 is -13 <==

20 problems.....100/20 = 5 points per problem....so if the student got an 80%, then they missed 4 problems and correctly answered 16 <==

opposite of - |-7|.....- |-7| = - 7.....the opposite would be 7 <==
6 0
3 years ago
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