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Daniel [21]
3 years ago
6

Solve 2x + 4 - 3x = -11

Mathematics
2 answers:
kipiarov [429]3 years ago
8 0
X=15
Because if you subtract 4 you have to do it to the other side so it makes it -15
Then you subtract 2x-3x which = -1x
So you have -1x=-15
Finally you multiply the 1 times it’s self and onto 15 and then you end up with x=15
Dvinal [7]3 years ago
4 0

Answer:

x = 15

Step-by-step explanation:

1. Combine like terms

        2x - 3x = -x

2. Rewrite original equation

       -x + 4 = -11

3. Subtract four from both sides of the equation.

      -x + 4 = -11

           - 4     - 4

        -x  = - 15

4. Divide by -1 on both sides to get rid of the negative signs:

        x = 15

         

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The table below shows the number of miles Maggie ran and the number of calories she burned.
gulaghasi [49]

Answer:

The dependent variable is number of calories burnt.

Step-by-step explanation:

The dependent variable of an experiment is the variable under study, i.e. it is the variable that is being observed for any changes, when the other variables are changed.

The independent variable is the variable that is being altered to observe the changes in the dependent variable.

A dependent variable can be affected by one or more than one independent variables.

In this case, the data provided represents the number of calories Maggie burned based on the number of miles she ran.

So, the amount of calories burnt is dependent upon the number of miles covered running.

So, the dependent variable is the number of calories burnt and the independent variable is the number of miles she run.

Thus, the dependent variable is number of calories burnt.

4 0
3 years ago
In order to use a ladder safely, the angle that the ladder forms with the ground should not exceed 70 degree. If you have a ladd
solong [7]

Answer:

Maximum safe height can be reached by ladder = 15.03. ft

Step-by-step explanation:

Given,

Let's assume the maximum safe height of wall = h

angle formed between ladder and ground = 70°

length of ladder = 16 ft

From the given data, it can be seen that ladder will form a right angle triangle structure with the wall

So,from the concept of trigonometry,

Sin70^o\ =\ \dfrac{\textrm{maximum safe height of wall}}{\textrm{length of ladder}}

=>Sin70^o\ =\ \dfrac{h}{16\ ft}

=>\ h\ =\ 16\times Sin70^o

=> h = 16 x 0.9396

=> h = 15.03 ft

So, the maximum safe height that can be reached by the ladder will be 15.03 ft.

8 0
3 years ago
If the mean of the data set is 35 apples, find the number of apples on the Granny Smith tree,
photoshop1234 [79]

Answer:

can i please have more details please?

Step-by-step explanation:

5 0
3 years ago
Square root of 5 rounded to the nearest tenth
Korolek [52]
The square root of 5 is 2
5 0
4 years ago
Read 2 more answers
!!!! PLEASEEE HELP ME, IDK WHAT TO DO PLEASE !!!!
Helga [31]

Answer:

  The first question is A.

  The second question is C.

   The thid question is B., I think i'm not quit sure sorry

4 0
2 years ago
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