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qwelly [4]
2 years ago
6

What is the value of this expression (12-x)+ y/2 when x=4 and y=8 A. 4 B. 6 C. 8 D. 10

Mathematics
2 answers:
Ludmilka [50]2 years ago
5 0

Answer:

12

Step-by-step explanation:

(12-x)+ \frac{y}{2}

(12-4)+ \frac{8}{2}

(12-4)+ 4

8+4

12

Hope this helps!

Paul [167]2 years ago
3 0

Answer:12

Step-by-step explanation:

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LCD = 8

Step-by-step explanation:

4/8=4/8

3/4= 6/8

1/2=4/8

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I can't you didn't give the names of points on the line

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Answer:

4

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6 0
3 years ago
the ratio of sadia's age to her father's age is 3:6. The sum of their age is 96 .What is sadia's age​
max2010maxim [7]

We have,

a:b=3:6,a+b=96

Introduce variable x such that a=3x,b=6x

The sum a+b=96 is therefore 9x=96\implies x=10.\overline{6}

So,

a=3\cdot10.\overline{6}=\boxed{32} (sadia's age)

b=6\cdot10.\overline{6}=\boxed{64} (father's age)

Hope this helps :)

4 0
3 years ago
Solve the simultaneous equations. You must show all your working to find x and y. 1/2x -3y = 9 5x y + y = 28
dedylja [7]

Answer:

\huge\boxed{x = 6 , y = -2}

Step-by-step explanation:

\sf \frac{1}{2} x - 3y = 9-----------(1)\\5x + y = 28 ----------(2)

Taking equation (1)

\sf \frac{1}{2} x -3 y=9

Multiplying both sides by 2

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Adding 6y to both sides

\sf x = 18+6y

Putting this in (2)

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Dividing both sides by 31

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Now,

x = 18 + 6y

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x = 18-12

x = 6

7 0
3 years ago
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