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Tema [17]
3 years ago
14

Can someone please help me

Mathematics
1 answer:
vivado [14]3 years ago
4 0
Add the 2 1/2 to the other side to get rid of to isolate the x
-27/4= 1/2x divide by 1/2
-27/2=x
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a wooden box has external dimensions 40 cm by 34 cm by 30 cm. if the wood is 1 cm thick how many cm3 of wood is used in it ?​
Westkost [7]

Answer:

6752 cm³ of wood

Step-by-step explanation:

V = 40cm×34cm×30cm = 40800 cm³

v = 38cm×32cm×28cm = 34048 cm³

V - v = 40800cm³ - 34048cm³ = 6752 cm³ of wood

7 0
3 years ago
Read 2 more answers
I have been stuck on the problem for so long. please help me:
Xelga [282]

Answer:

D-2

Step-by-step explanation:

You can use elimination to get the value of y. Move numbers to one side and x and ys to the other side. To use elimination, multiply the first equation with 2. You will get 2x+2y=24. add it with the equation below. y will be eliminated and you will get the value of x. X=10. Plug in x and get the y value. Y=2

6 0
3 years ago
What is the area of a parallelogram if its length is x+4 and its height is x+3
lord [1]
Area of a parallelogram is:

\sf A=bh

Where 'b' is the base and 'h' is the height. Plug in what we know:

\sf A=(x+4)(x+3)

Distribute(multiply everything in the first parenthesis to everything in the second parenthesis):

\sf x\times x=x^2
\sf x\times 3=3x
\sf 4\times x=4x
\sf 4\times 3=12

So we have:

\sf A=x^2+3x+4x+12

Combine like terms(3x + 4x = 7x):

\sf A=\boxed{\sf x^2+7x+12}
8 0
4 years ago
HELP ASAP SIMPLE QUESTION!! WILL MARK BRAINLIEST!!
maksim [4K]
The average of the numbers would not change
5 0
3 years ago
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Pls answer this, tysm :)
borishaifa [10]

I think that this will be helpfull

40 because it’s just a little longer than 32 feet

3 0
3 years ago
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