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Dennis_Churaev [7]
3 years ago
8

3.) a + 40 = 0 What is the value of a? a =

Mathematics
2 answers:
Rus_ich [418]3 years ago
3 0

Answer:

a= -40

Step-by-step explanation:

Dmitry [639]3 years ago
3 0

Answer:

a = - 40

Step-by-step explanation:

a+40=0

First way:

Transpose 40 to the other side (to isolate a) - when transposing signs change ( from positive to negative)

Second way:

Subtract both side what 40 (to cancel 40 and isolate a)

* you have to always isolate variables

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120 divided by 20 is 6

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Its 30.

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Solve the system of linear equations by graphing, round the solution to the nearest tenth.
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For this case we have the following system of equations:
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Step-by-step explanation:

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The required value lies Between 6 and 7, but closer to 6. Option C is correct.

Given that,
The square root of 50 minus 10 would be plotted on a number line.

<h3>What is a number line?</h3>

A number line is defined as the number marked on the line calibrated into an equal number of units. For example -1, 0, 1, and so on.

According to the question,
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Learn more about number line here:

brainly.com/question/17683084

#SPJ1

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