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Gwar [14]
3 years ago
12

9/12 +3/12 =? A. 1 B. 6/12 C. 11/12 D.1/2

Mathematics
2 answers:
Nady [450]3 years ago
7 0

9/12 + 3/12 = 12/12 = 1

Therefore, 1 is your answer.

AveGali [126]3 years ago
5 0

Answer:

Solving \frac{9}{12}+\frac{3}{12} we get 1.

Option A is correct answer.

Step-by-step explanation:

We need to solve \frac{9}{12}+\frac{3}{12}

For solving fractions we need to take LCM of denominators.

The LCM of 12, 12 is 12

So, solving:

\frac{9}{12}+\frac{3}{12}\\=\frac{9*1+3*1}{12}\\=\frac{9+3}{12}\\=\frac{12}{12}\\=1

So, solving \frac{9}{12}+\frac{3}{12} we get 1.

Option A is correct answer.

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In a cross-country run organized by a school, the students who completed the run
coldgirl [10]

280 students have a total of 560 points

There 60 more boys(x+60) complete than girls(x)

2*(x+60)+2*x= 560

number of girl =x =110  

girl point =110*2= 220

6 0
2 years ago
Sam traveled 3/4 of a journey by bus. He jogged 1/2 of the remaining distance and walked the rest of the way. If he walked 800 f
Troyanec [42]
Let x = total distance he covered
3x/4         by bus
1/2 . x/4  =  x/8  by jogging
the remaining distance  =  x/8               by walking
thus      x/8 = 800ft
           x =    8 . 800 = 6400ft
3 0
3 years ago
Please help <br> Due asap SHOW a workings please
kiruha [24]

Answer:

A

Step-by-step explanation:

1) first there are a few rules we need to know:

a) the sum of any two sides of a triangle is always larger than the 3rd side

b) the difference between any two sides of a triangle is always smaller than the 3rd side;

hence,

3+4=7

4-3=1

triangle 3,4,5 follows all the rules,

triangle 13,2,11:

11+2=13

the sum of any two sides must always be GREATER than the 3rd side-so this is not an option

triangle 10,4,5

5+4=9

9<10

not an option

8 0
3 years ago
-8x-27=-7\left(1+2x\right)+2x
Darina [25.2K]

Answer:

x=5

Step-by-step explanation:

-8x-27=-7\left(1+2x\right)+2x

Expand:

-8x-27=-7\times 1-7\times 2x+2x

-8x-27=-7-12x

Add 27 to both sides:

-8x-27+27=-7-12x+27

-8x=-12x+20

Add 12x to both sides:

-8x+12x=-12x+20+12x

4x=20

Divide both sides by 4:

\frac{4x}{4}=\frac{20}{4}

x=5

5 0
2 years ago
What is -2n-5k+8-4n-11=-7
Fittoniya [83]

Answer:

n= 2/3 - 5/6k , ker

Step-by-step explanation:

-2n-5k+8-4n-11=-7

-6n-5k+8-11=-7

-6n=-7+3+5k

-6n=-4+5k

then divide both sides by -6 to get your answer

n= 2/3 - 5/6k , ker

3 0
3 years ago
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