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lys-0071 [83]
3 years ago
11

If 0.5x-3=2-0.75x then 2x =?

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
5 0

Answer:

8

Step-by-step explanation:

Step 1:

0.5x - 3 = 2 - 0.75x  Equation

Step 2:

1.25x - 3 = 2     Add 0.75x on both sides

Step 3:

1.25x = 5     Add 3 on both sides

Step 4:

5 ÷ 1.25  Divide

Step 5:

x = 4  Solution to x

Step 6:

2 × 4    Multiply to find answer of 2x

Answer:

2x = 8

Hope This Helps :)

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Solve the inequality 13×-4 &lt; 12x-1
Murrr4er [49]

Answer:

x <3

Step-by-step explanation:

13x-4 < 12x-1

Subtract 12x from each side

13x-12x-4 < 12x-12x-1

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2 years ago
Please help me with this!
Assoli18 [71]

Answer:

___________________________________________________

360 — A

___________________________________________________

Step-by-step explanation:

This is a square based pyramid. Which means that all of the triangles have the same area. All you need to do is find the area of one triangle, multiply it by 4, and add that to the area of the square base.

___________________________________________________

Step 1) FIND THE AREA OF ONE TRIANGLE

Imagine the triangle as a flat 2D shape. The height of this shape would be 13km, that mush is given to us. The length is also given, 10km.

How to find the area of a triangle:

Multiply the height times the width and divide the result by 2.

1. 13 x 10 = 130

2. 130/2 = 65

The area of this triangle is 65km squared.

___________________________________________________

Step 2) MULTIPLY BY 4

65 x 4 = 260

___________________________________________________

Step 3) FIND THE AREA OF THE SQUARE

When you find the area of a square, all you need is the length of one edge. That is 10km in this case.

Multiply this length by itself,

10 x 10 = 100

___________________________________________________

GETTING THE FINAL ANSWER

Add all your results :

260 + 100 = 360

3 0
3 years ago
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