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Yuliya22 [10]
3 years ago
12

Easy question. giving brainliest 7g+8(6g+3)=849 g=

Mathematics
2 answers:
vlabodo [156]3 years ago
6 0

Answer:

g = 15

Step-by-step explanation:

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    7*g+8*(6*g+3)-(849)=0  

Step by step solution :

Step  1  :

Step  2  :

Pulling out like terms :

2.1     Pull out like factors :

  6g + 3  =   3 • (2g + 1)  

Equation at the end of step  2  :

 (7g +  24 • (2g + 1)) -  849  = 0  

Step  3  :

Step  4  :

Pulling out like terms :

4.1     Pull out like factors :

  55g - 825  =   55 • (g - 15)  

Equation at the end of step  4  :

 55 • (g - 15)  = 0  

Step  5  :

Equations which are never true :

5.1      Solve :    55   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

5.2      Solve  :    g-15 = 0  

Add  15  to both sides of the equation :  

                     g = 15

Hope this helps

Bogdan [553]3 years ago
5 0
G would equal 15 (i did the work on a paper but i could type it here if u need it)
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If x=-7 and y=4 what would x^2-3xy=
Kruka [31]

Answer:

While x = -7 and y = 4, x² - 3xy = 133.

Step-by-step explanation:

x² - 3xy

Substitute variables.

(-7)² - 3(-7)(4)

Square -7 remembering that (-x)² = x².

49 - 3(-7)(4)

Multiply -7 and 4.

49 - 3(-28)

Multiply -3 and -28.

49 + 84

Add 49 and 84.

133

3 0
3 years ago
Can I get help wit my second question
marishachu [46]
The answer is 1.8 :)
6 0
3 years ago
Find the vector that has the same direction as 3, 2, −6 but has length 2.
Nata [24]

Answer:

The vector is \vec r = \left(\frac{6}{7},\frac{4}{7},-\frac{12}{7}\right).

Step-by-step explanation:

We can determine the equivalent vector (\vec r), dimensionless, by means of the following formula:

\vec r = \frac{\vec u}{\|\vec u\|} \cdot \|\vec r\| (1)

Where:

\vec u - Original vector, dimensionless.

\|\vec u\| - Norm of the original vector, dimensionless.

\|\vec r\| - Norm of the new vector, dimensionless.

The norm of the original vector is determined by the following definition:

\|\vec u\| = \sqrt{\vec u\,\bullet \,\vec u} (2)

If we know that \vec u = (3, 2, -6), then the norm of the original vector is:

\|\vec u\| = \sqrt{(3)\cdot (3)+(2)\cdot (2)+(-6)\cdot (-6)}

\|\vec u\| = 7

If we know that \|\vec r\| = 2, then the new vector is:

\vec r = \frac{2}{7}\cdot (3,2,-6)

\vec r = \left(\frac{6}{7},\frac{4}{7},-\frac{12}{7}\right)

The vector is \vec r = \left(\frac{6}{7},\frac{4}{7},-\frac{12}{7}\right).

7 0
3 years ago
4598(345+892•231)•5617(1232+987)/2=?
jeka57 [31]

Answer:

5.91430991*10^1^5

Step-by-step explanation:

4598\left(345+892\cdot \:231\right)\cdot \:5617\cdot \frac{1232+987}{2}\\=4598\cdot \:5617\cdot \frac{1232+987}{2}\left(345+206052\right)\\=4598\cdot \:5617\cdot \frac{2219}{2}\left(345+206052\right)\\=4598\cdot \:206397\cdot \:5617\cdot \frac{2219}{2}\\=\frac{2219\cdot \:4598\cdot \:206397\cdot \:5617}{2}\\=\frac{1.18286\dots E16}{2}\\=5.91431e15

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4 years ago
State the integer that represents the opposite of a gain of 400.
Talja [164]

Step-by-step explanation:

the integer that represents the opposite of a gain of 400 = - 400

5 0
3 years ago
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