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soldier1979 [14.2K]
3 years ago
5

12 = 1.5x Solve each equation algebraically

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
7 0

Answer:

35

Step-by-step explanation:

I am assuming you want me to answer the equation provided in the picture, therefore I will provide you with the answer.

So we have \frac{3}{5} x = 21

When it comes to equations with a variable, our goal is to isolate the variable, so let's start.

\frac{3}{5} x = 21

1. Combine multiplied terms into a single fraction :

\frac{3x}{5} = 21

2. Multiply both sides by the denominator :

5 * 3/5 = 3

5 * 21 = 105

3x = 105

3. Divide both sides by 3 :

\frac{3x}{3} = \frac{105}{3 }

x = 35

Arada [10]3 years ago
5 0

Answer:

x=8

Step-by-step explanation:

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I need help on this question ​
kotegsom [21]

Answer:

My guess would probably be $370.

Explanation:

The reason I say that is because since 200 euros was 270 American dollars, why not try the same thing for 300 euros? If you do the process of elimination, it wouldn't be the $540. The same for the second one so, you have 2 remaining options left. The third or the fourth.

Hope that helps!!

3 0
3 years ago
On a scale drawing inch = 1 foot. What are the dimensions on the scale for a room that is 27 feet by 20 feet?
Rufina [12.5K]
If 1 inch = 1 foot then 1 foot = 1 inch.
With this, you can make a ratio of 1 foot:1 inch, or 1:1.
Starting with the first dimension, 27 feet, just change the 1 to 27 in the ratio.
27:?
To find how many inches this is in the scale drawing, find how much 1 had to be multiplied by to get to 27. This is 27, since anything times 1 is itself.
Just multiply the other side by 27 as well to get the answer for the first dimension.
1 • 27 = 27
So 27 feet = 27 inches in the scale drawing.
Now do the same for the second dimension.
1:1
20:?
1 • 20 = 20
20:20
The answer is that the scale drawing has dimensions of 27 inches by 20 inches if 1 inch = 1 foot is the scale
7 0
3 years ago
-8 is a term true or false
kupik [55]

True, -8 is a term. Have a great day.

8 0
3 years ago
(2 * 15x) + (2 * 10)
yan [13]

Answer:

(2 \times 15x) + (2 \times 10) \\  = 30x + 20 \\  = 10(3x + 2)

6 0
3 years ago
Read 2 more answers
How do I write an equation for each parabolas?
fredd [130]

Step-by-step explanation:

  1. In the first parabola it opens on the left and the equation of parabola can be expressed as,

              in vertical component <u>(y)² = (-) a (x-h)² + k</u>

cause  the parabola is horizontal and it opens on the left.

          2. In the second parabola the vertex opens on the right and hence the      equation cane be given as,

    in vertical component <u>(y)² = a (x-h)² + k</u>

cause the parabola is horizontal and opens on the right.

       3. the third equation is given as,

        in horizontal component<u> (x²) =</u> <u> (-) a (x-h)² + k</u>

since the parabola is vertical and opens down.

        4. the fourth equation is given as,

        in the horizontal component  <u>(x)² = a (x-h)² + k</u>

since the parabola is vertical and opens up.

             

   

7 0
3 years ago
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