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AVprozaik [17]
2 years ago
11

I need help with this question ASAP! Please help!

Mathematics
1 answer:
blondinia [14]2 years ago
6 0

Answer:

140 degree

Step-by-step explanation:

Since the sum total of a polygon is 540 degree, simply subtracts from each degree of the other angles.

540 degree - 110 degree - 85 degree - 125 degree - 80 degree = 140 degree

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Methane gas contains carbon atoms and hydrogen atoms in the ratio of 1:4. A sample of methane gas contains 92 hydrogen atoms. Ho
azamat

Answer:

The answer to your question is below

Step-by-step explanation:

Data

Methane: 1 carbon and 4 hydrogens

A sample 92 hydrogen atoms / carbons = ?

total atoms = ?

Process

       

                         1  :  4  ::  x  :  92

       x = number of carbons

                         x = (92 x 1) / 4

                         x = 92 / 4

                        x = 23 carbons

Total atoms = hydrogen atoms + carbon atoms

                    = 92 + 23

                    = 115 atoms

5 0
4 years ago
Find the Gcf of 28 and 42
Oksana_A [137]

28 = 2 * 2 * 7

and

42  = 2 * 3 * 7

GCF =  2 * 7 = 14

4 0
3 years ago
Find the measure of
Irina-Kira [14]

Answer:3Y+6=12

3(2)+6=12

Step-by-step explanation:Because 3 + 3 is 6 So That means that you repeat the pattern 4 times 3 Times 4 equals 12

4 0
3 years ago
The length of a rectangle is (x^2- 4x+2) feet and the width is (x+4) feet
erastovalidia [21]

Answer:

A=x^3-14x+8

Step-by-step explanation:

Given that,

Length of a rectangle, l=(x^2- 4x+2)

Width of a rectangle, b=(x+4)

We need to find the area of the rectangle.

We know that,

Area of a rectangle = l × b

Substituting all the values,

A=(x^2- 4x+2)\times (x+4)\\\\=x^3+4x^2-4x^2-16x+2x+8\\\\=x^3-14x+8

Hence, the area of the rectangle is x^3-14x+8.

4 0
3 years ago
Help please asap!!! ty!!
yuradex [85]
The answer is yo mama boiiiii











sry i know u need help but i need pts. bro sry !! :( :( :(
7 0
3 years ago
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