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Igoryamba
3 years ago
5

Plot the inequality on the number line

Mathematics
1 answer:
Yakvenalex [24]3 years ago
4 0

Answer:

Point 1 to the left with a closed circle <-----*

Point 8 to the right with an open circle o------>

Step-by-step explanation:

Got the answer correct

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Will give BRAINLEST :)
DiKsa [7]

Answer:

A

Step-by-step explanation:

This explanation mostly depends on what you're learning right now. The first way would be to convert this matrix to a system of equations like this.

g + t + k = 90

g + 2t - k = 55

-g - t + 3k = 30

Then you solve using normal methods of substitution or elimination. It seems to me that elimination is the quickest method.

g + t + k = 90

-g - t + 3k = 30

____________

0 + 0 + 4k = 120

4k = 120

k = 30

No you can plug this into the first two equations

g + t + (30) = 90

g + t = 60

and

g + 2t - (30) = 55

g + 2t = 85

now use elimination again by multiplying the first equation by -1

g + 2t = 85

-g - t = -60

_________

0 + t = 25

t = 25

Now plug those both back into one of the equations. I'll just do the first one.

g + (25) + (30) = 90

g = 35

Therefore, we know that Ted spent the least amount of time on the computer.

The second method is using matrix reduction and getting the matrix in the row echelon form, therefore solving using the gauss jordan method. If you would like me to go through this instead, please leave a comment.

3 0
2 years ago
Please help me. Por favorrrrrr
irakobra [83]
The statements that are correct are A and E. A because the y-intercept for y=5x+12 is 12 and the table of values it is 5. E is correct because the rate of change for the table of values is 24 and y=5x+12, it is 5.
4 0
2 years ago
Which of the following made Soviet leader Mikhail Gorbachev MOST eager to end the Cold War arms race?
Ivanshal [37]
D. The economy of the Soviet Union was falling behind that of other major industrialized nations.
4 0
2 years ago
Solve Ax-By=c for y how do you solve this
Rainbow [258]

Answer:

y = - c/B + Ax/B

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

5 0
2 years ago
Plz help!!! I’ll give 10 points to the first person to give me a correct answer...I need to get my grade up before the end of th
Lilit [14]

Answer:

A= 30

B= 60

C= 90

Step-by-step explanation:

A is already shown.

B has a right angle making it 90 degrees.

A triangle is 180 degrees 30+90= 120

180-120=60

3 0
2 years ago
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