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Yanka [14]
3 years ago
6

Lisa wants to frame her little brothers drawings is 43.5 cm by 934 mm how many cm of wood framing will she need

Mathematics
2 answers:
umka2103 [35]3 years ago
5 0

951 is your answerrrrr


Ira Lisetskai [31]3 years ago
3 0
Okay, her brother drawings are 43.5 cm by 934 mm.

First thing we need to do id get alike measurements. 
1 cm = 10 mm.

Multiply 43.5 by 10          934 mm = 435

Now since we are framing something we need to find the perimeter. 

Write an equation: P= cm of wood= w     

w= 2(43.5)+2(435)

Simplify:
w=951

Answer:
951 cm of wood
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A metal strip is being installed around a rectangular workbench that is 9 feet long and 4 feet wide. If the stripping costs ​$5
Alborosie

If the metal strip goes around the bench, then we are looking for the perimeter.

P = 2L + 2W

P = 2(9) + 2(4)

P = 18 + 8

P = 26 feet

Then, we know that the stripping costs $5 per foot, and we need 26 feet of the stripping.

26 x 5 = 130

Total cost = $130

Hope this helps!

8 0
2 years ago
How to work this out ?
Free_Kalibri [48]

Answer:

The solution is (-3, -2).

Step-by-step explanation:

Please note that if you simply add these 2 equations together, 9x - 9x = 0, and you are then left with -5y = 10.  Thus, y = -2.  Subbing -2 for y in the first equation, we get 9x - 8(-2) = -11, or 9x + 16 = -11.

Subtracting 16 from both sides, we get 9x = -27, so that x = -3.

The solution is (-3, -2).


6 0
3 years ago
The length of a rectangle is 59 inches greater than twice the width. If the diagonal is 2 inches more than the​ length, find the
melamori03 [73]
The question is asking us to find the dimensions of the rectangle, which would be the length and width. So, to find this, we must first state our givens, as it is Geometry.
Given: Length of rectangle = 59 + twice the width, diagonal = 2 inches longer than the width

Let's first translate all our givens to numbers. We'll start off by assigning variables that are easy to work with (x, y and z). 
x = width
y = length
z = diagonal
Now that we have done that, we need to translate all our givens into numbers. Here is how that would look like:
y = 2x + 59      ←59 plus twice the width (x)
z = y + 2           ←Diagonal = 2 inches more than width
If we draw a diagram, we can see that the diagonal, length, and width all create a right triangle, which means that we can use the Pythagorean Theorem. By using right triangle postulates and theorems, we can deduce that the diagonal is the hypotenuse. Here is what our setup looks like:
x² + y² = z²
<em />Now, all we need to do is plug in the expressions we created for y and z:
x² + (2x + 59)² = [2 + (2x + 59)²]
When we solve for x, we get x = 20. Now, we just plug the x value back into the y equation to get 99. Therefore, the length equals 99 inches and the width equals 20 inches. Hope this helps and have a great day!
5 0
3 years ago
Homework.<br> Math.<br> For today.
Marianna [84]
Um so is there a specific question u would like me to help u
5 0
2 years ago
Read 2 more answers
The time to fly between new york city and chicago is uniformly distributed with a minimum of 120 minutes and a maximum of 150 mi
Paul [167]
120+150=270
270÷2=135
Mean=135
5 0
3 years ago
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