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miskamm [114]
3 years ago
7

(-2g+7)-(g+11 find the sum​

Mathematics
2 answers:
almond37 [142]3 years ago
7 0

Answer: -3g-4

Step-by-step explanation: Combine like terms to add.

Hope this is right and I hope this helps you out! ☺

anyanavicka [17]3 years ago
5 0

Answer: = -3g-4

Step-by-step explanation:

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Two angles are supplementary and one of them is 127° What is the size of<br> the other angle?
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53 degree

Step-by-step explanation:

i just subtracted it (linear pair axiom)

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I am older than 57 <br> I'm younger than 60<br> I have 9 units
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Your answer is 59.
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Can someone please help with my last unanswered question
liubo4ka [24]

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Step-by-step explanation:


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3 years ago
After 1 year, $70,060 deposited in a savings account with simple interest had grown to a total of $77,136.06. What was the inter
Vlad [161]

Answer:

10.1%

Step-by-step explanation:

Interest = PRT/100

Interest = 77136.06 - 70060 = 7076.06

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7076.06 = [(70060) × R × 1] / 100

7076.06 = 70060R/100

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4 0
2 years ago
Find the augmented matrix for each of the following systems of linear equations. (a) x₂ - 2x2 = 0 (6) x + x₃ = 1 .3x₂ + 4x2 = -1
Y_Kistochka [10]

Answer:

The augmented matrix for each set of linear equations is:

a) x_1-2x_2=0\\3x_1+4x_2=-1\\2x_1-x_2=3

Augmented matrix:

\left[\begin{array}{ccc}1&-2&0\\3&4&-1\\2&-1&3\end{array}\right]

b) x_1+x_3=1\\-x_1+2x_2-x_3=3

Augmented matrix:

\left[\begin{array}{cccc}1&0&1&1\\-1&2&-1&3\end{array}\right]

c) x_1+x_3=1\\2x_2-x_3+x_5=2\\2x_3+x_4=3

Augmented matrix:

\left[\begin{array}{cccccc}1&0&1&0&0&1\\0&2&-1&0&1&2\\0&0&2&1&0&3\end{array}\right]

d) x_1=1\\x_2=2

Augmented matrix:

\left[\begin{array}{ccc}1&0&1\\0&1&2\end{array}\right]

Step-by-step explanation:

In order to find the augmented matrix, you have to take the numeric values of each variable and make a matrix with them. For example, in the linear system a) you can make a matrix out of the numeric values accompanying x_1 and x_2, this matrix will be:  

\left[\begin{array}{cc}1&-2\\3&4\\2&-1\end{array}\right]

Then you have to make a vector with the constants in the linear equations, for the case of system a) the vector will be:  

\left[\begin{array}{c}0&-1&3\end{array}\right]

To construct the augmented matrix, you append those matrices together and create a new one:

\left[\begin{array}{ccc}1&-2&0\\3&4&-1\\2&-1&3\end{array}\right]

6 0
3 years ago
Read 2 more answers
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