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True [87]
3 years ago
9

2x + 5 =12 , greatl appreciated if someone can do this ​

Mathematics
1 answer:
netineya [11]3 years ago
6 0
2x+5=12
Subtract 5 from both sides
=2x=7
Divide by 2
X=2/7
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What is the distance between z 1 = 2 + 9i and z 2 = 2 - 4i?
Lapatulllka [165]
Distance formula: SR (A^2+B^2)
SR [(2+9i)^2 + (2-4i)^2] =
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3 years ago
The length of a rectangle is six times its width. If the area of the rectangle is 384^2, find its perimeter.
Leno4ka [110]

Answer:

Perimeter, P = 112 meters

Step-by-step explanation:

  • Let the length of the rectangle be L.
  • Let the width of the rectangle be W.

Translating the word problem into an algebraic expression, we have;

L = 6W  ...... equation 1

<u>Given the following data;</u>

  • Area of rectangle = 384 m²

To find the perimeter of the rectangle;

First of all, we would determine the dimensions of the rectangle using its area.

Mathematically, the area of a rectangle is given by the formula;

Area of rectangle = LW  ..... equation 2

Substituting eqn 1 into eqn 2, we have;

384 = 6W(W)

384 = 6W²

Dividing both sides by 6, we have;

W² = 384/6

W² = 64

Taking the square root of both sides, we have;

W = √64

Width, W = 8 meters

Next, we would find the length;

L = 6W

L = 6 * 8

Length, L = 48 meters

Lastly, we would determine the perimeter of the rectangle using the above dimensions;

Mathematically, the perimeter of a rectangle is given by the formula;

Perimeter = 2(L + W)

Substituting the values into the formula, we have;

Perimeter, P = 2(48 + 8)

Perimeter, P = 2(56)

<em>Perimeter, P = 112 meters</em>

4 0
3 years ago
What is the answer?! Pls help!
Levart [38]
If u divide the area by length then u will get the width as x+4
7 0
3 years ago
30 points and brainly
RSB [31]
These angles are adjacent which means they share a side and a vertex. Adjacent angles are also supplementary so the measure of the two angles add up to 180 degrees. Since angle 1 is 137 degrees, angle two is 43 degrees. I hope this explanation helps you.
4 0
3 years ago
Mike has a storage box that is 3 feet long, 2 feet wide, and 1 foot deep. How many 1-foot cubes can the box hold?
alekssr [168]

Answer:

I think the answer is 6.

Step-by-step explanation:

Since the box is 1 foot deep and the cubes are 1 foot, they must sit side by side instead of being stacked up. Therefore you multiply length by width 2x3 and you get 6.

5 0
3 years ago
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