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kotykmax [81]
3 years ago
10

Please help, marking brainliest if correct

Mathematics
2 answers:
bezimeni [28]3 years ago
8 0

Answer:

74

Step-by-step explanation:

2x+x+4=115 (ext ∠)

3x=111

x=37

∠MNO=2(37)

           =74°

Vsevolod [243]3 years ago
5 0

Step-by-step explanation:

Im not very very sure but i think its 74

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The numerator of a certain fraction is to its denominator as 2 to 3; if 5 be added to the numerator the ratio will be as 3 to 2;
vova2212 [387]
N= numerator
D= denominator

N:D ==> 2:3

2:3, 4:6, 6:9... And so on...

The pattern here is that the numerator increases by 2 and the denominator by 3. Easy right?

Now 5 is added to the "n".

Now it is N:D ==> 3:2

3:2, 6:4, 9:6... And so on...

The pattern here is inverted then the 2:3 one.

If I'm right then which one (you might have to continue the process/pattern) then one of them will increase by 5.

3 => 2 = +1 (2+1=3)
6 => 4 = +2 (4+2=6)
9 => 6 = +3 (6+3=9)
12 => 8 = +4 (8+4=12)
15 => 10 = +5 (10+5=15)
18 => 12= +6 (12+6=18)

Q. Which one is +5?

A. 15:10

That is what "I" think it is.

Now, the question is,
Does it work? Does it fit the above description?

Q. Does it even work? Does it fit the above description?
6 0
3 years ago
Solve 9(8 - x) = 3x.
bulgar [2K]

Hello - let's do this step by step. Show your work.

You're asking: 9(8−x)=3x.

Now, simplify both sides of the equation.

9(8−x)=3x

(9)(8)+(9)(−x)=3x (To do that, distribute)

72+−9x=3x

−9x+72=3x

Now,  subtract 3x from both sides.

−9x+72−3x=3x−3x

Simplify,

−12x+72=0

After, subtract 72 from both sides.

−12x+72−72=0−72

−12x=−72

Last thing, divide both sides by -12.

-12x/12 = -72/-12

Divide.

Therefore, you have <u>x = 6</u> as your final answer.

7 0
3 years ago
The number 39.91894 rounded to four decimal places is _?​
Ipatiy [6.2K]

Answer:

399.1894 is the awnser

Step-by-step explanation:

6 0
3 years ago
Plz awnser I will give you branilist point​
sweet-ann [11.9K]
-It should be cultural diffusion .
8 0
3 years ago
Which expression represents the product of (3x+5) with (2x-3)
disa [49]

Answer:

6x^2-x+15

Step-by-step explanation:

(3x + 5)(2x - 3) = 6x^2-9x+10x-15=6x^2+x-15

8 0
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