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KonstantinChe [14]
3 years ago
13

What is the first step to solve this equation: 12-4x=54

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
4 0

Answer:

B. subtract 12 from both sides

Step-by-step explanation:

12-4x=54

<u>-12 -12</u>

<u>-</u><u>4</u><u>x</u><u>=</u><u>4</u><u>2</u>

arsen [322]3 years ago
4 0

Answer:

B. Subtract 12 from both sides

Step-by-step explanation:

You must be confused on why I say this. But hold tight, I have an explanation.

Because 12 is on the front side of the minus sign, it is actually positive. That means you must subtract it from both sides.

But what about 4x? Well, it is actually negative! Because the 12 is reduced to zero, the equation is technically 0 - 4x = 42. However, we just remove the 0 to make -4x = 42.

By the way, the fully solved equation is: x = -10.5 or x = -10 1/2

Hope this helps!

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Perimeter of the figure?
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Answer:

32 cm

Step-by-step explanation:

As we could see if the image was a full rectangle with width is 7 cm and the length is 9 cm, the perimeter of it would be 32 cm.

8 0
3 years ago
Plz help<br> Will be marked BRAINLIEST!!!!!!
mariarad [96]

Answer:

2b + 88 = 180

Step-by-step explanation:

Hope this helps

6 0
2 years ago
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How do you Convert feet to metres<br>​
poizon [28]

The conversion of feet to meters is obtained by multiplying 1 foot = 0.3048 meters.

<h3>What are the basic measurements for length?</h3>

Foot, inches, centimeters, and meters are the basic measuring units for length.

<h3>What are the basic conversions?</h3>

The basic conversions are:

1 kilometer = 1000 meters

1 meter = 100 cm

1 cm = 10 mm

1 mm = 0.03937 inch

1 inch = 0.0833 feet.

<h3>How to convert feet to meters?</h3>

According to the international system of units,

1 foot = 12 inches ...(1)

But we know,

1 inch = 25.4 mm, 1 mm = 0.1 cm, and 1 cm = 0.01 m

By substituting all of these in equation (1), we get

1 foot = 12(25.4 mm)

         = 304.8 mm

         = 304.8 (0.1 cm)

         = 30.48 cm

         = 30.48(0.01 m)

         = 0.3048 meters

Therefore, 1 foot = 0.3048 meters.

Learn more about converting measuring units here:

brainly.com/question/174910

#SPJ9

4 0
2 years ago
How many boards he can paint
katrin2010 [14]
Idk but just divide both of the fraction hope i helped you a little
4 0
3 years ago
What is the result when the number 4 is decreased by 25%?
OleMash [197]
4/4=1. So we need to subtract 1 from 4 to get the final Answer which is 3.
6 0
3 years ago
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