3 years ago

Which should be the first step in solving the equation 1.2w-3.8=12.4

Mathematics

2 answers:

zaharov [31]3 years ago

8 0

Answer:

+3.8 to each side

Step-by-step explanation:

ivanzaharov [21]3 years ago

5 0

In this case, you don't want the numbers to be mixed up with variables. You also don't want to write the number on left and variable on the right. We keep variable on the left and number on right. We need to get rid of -3.8. To do so, add 3.8 on both sides. Adding 3.8 will be the first step.

Hope this helped!

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Write an equation of a line perpendicular to x = -7 and passes through the<br> point (4,9).

AlladinOne [14]

Answer:

y = 9

Step-by-step explanation:

The line x = -7 is a vertical line, so the perpendicular line will be horizontal.

Horizontal lines have a slope of 0.

Using this slope and the point given, plug them into y = mx + b to solve for b and create the equation

y = mx + b

9 = 0(4) + b