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liraira [26]
3 years ago
7

Solve the equation -8=-2n+2n

Mathematics
2 answers:
Oxana [17]3 years ago
7 0

Answer:

-8

Step-by-step explanation:

-2n + 2n is n

-8 = n

Dafna1 [17]3 years ago
4 0

Answer:

There is no solution to this.

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Under federalism who was directly responsible for protecting the people​
Alex Ar [27]

Answer: The knights were responsible for protecting the people.

6 0
3 years ago
Dafes stickball team has six players.how many different six player battling lineups can they make ifdave must bat second and eit
aalyn [17]
Let us name the players A,Dave,Zack,Paul,E and F 
For the first position there are two candidades ( Zack / Paul ) 
For the second position there is only one candidate i.e. Dave 
For the third place there will be 4 candidates (out of Zack and Paul - 1 as one of them is already taken for the first position and A, E and F total-4) 
For the fourth place there will be 3 candidates ( out of the four available candidates in the 3rd place, one will be taken up for 3rd place ) 
For the fifth place there will be 2 candidates 
Finally, for the last place there will be only one candidate left. 
On multiplying the no. of available cadidates, we get 2 * 1 * 4 * 3 * 2 * 1 = 48 i.e. option (A) 
Please mention minor spelling mistakes 
For the second question: 
Let the no of dotted marbles be 'x' and no of striped marbles be 'y' 
then the equation will become as follows 
(y+6)/x = 3 
and 
(x+6)/y = (2/3) 
On solving the equations, we will get x = 10 and y = 24 
Total balls = 10+24+6 = 40 (option E) 
Answer 3 will be ) For the first edge, he can choose 3 paths 
For the second edge he can choose 2 paths for each path of its first edge's path 
For the third , he is bounded to move on the paths created by the first and the second edges hence 1 path for each path created by the first and the second edge together 
It will be multiplication of all the possibilities of the paths of the three edges differently......... 
i.e. 3 * 2 * 1 = 6 
6 0
3 years ago
Which of the k values are solutions to the following equation?<br> k2 = 0.49
madam [21]
C and D bc +-0.7 is the answer
but because there no answer which contains both i think u should mark E
7 0
2 years ago
Read 2 more answers
Question 3 options:
melomori [17]

The height of an object can be represented as a function of time.

It takes the rocket 25 seconds to hit the ground

The height function is given as:

\mathbf{h(t) = 400t - 16t^2}

When the rocket hits the ground, we have:

h(t) = 0

So, the height function becomes

\mathbf{ 400t - 16t^2 = 0}

Rewrite as:

\mathbf{ 16t^2 = 400t}

Divide both sides by 16t

\mathbf{ t = 25}

Hence, it takes the rocket 25 seconds to hit the ground

Read more about height functions at:

brainly.com/question/22573423

5 0
2 years ago
Solve the following system. Please show me how you did it.
Andrej [43]

Answer:

x = 3, y = 4 and z = -5.

Step-by-step explanation:

Use the elimination method:

-3x + 2y + z = -6...........(1)

x + 3y + 2z = 5..............(2)

4x + 4y + 3z = 13..........(3)

Multiply the first equation by -2:

6x - 4y - 2z = 12   Add this to equation (2):

7x  - y  = 17...........(4)

Now Multiply equation (2) by 3 and equation (3) by -2

3x + 9y + 6z = 15 ............(5)

-8x - 8y - 6z = -26............(6)   Adding (5) + (6):

-5x + y = -11..........(7)

Now Add (7) and (4):

2x = 6

x = 3.

Now  substitute for x in (4):

7(3) - y = 17

-y = 17 - 21 = -4

y = 4.

Finally substitute for x and y in equation (3) to find z:

4(3) + 4(4)  +3z = 13

3z = 13 - 12 - 16 = -15

z = -5.

4 0
3 years ago
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