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3 years ago

The sum of 2 numbers is 48and there difference is 24 what are the numbers

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

8 0

The two numbers would be 36 and 12
36 + 12 = 48
36 - 12 = 48

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2 years ago

Find values of X and Y

lina2011 [118]

Answer:

X = 114 and Y = 66

Step-by-step explanation:

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3 years ago

Triangle ABC is reflected over the x-axis. У C(5, - 1) | A(0, - 2) -3 -4 B(2, - 4) 5 -6 What are the vertices of AA'B'C '?

8090 [49]

Answer:

The vertices of the triangle A'B'C' are $A'(x,y) =(0,2)$ , $B'(x,y) = (-2,4)$ and $C'(x,y) = (-5,1)$ , respectively.

Step-by-step explanation:

Vectorially speaking, the reflection of a point over the x-axis is defined by the following expression:

$P'(x,y) = P(x,y) -2\cdot P(x,y)$

$P'(x,y) = -P(x,y)$ (1)

Where:

$P(x,y)$ - Original point.

$P'(x,y)$ - Reflected point.

If we know that $A(x,y) = (0,-2)$ , $B(x,y) = (2,-4)$ and $C(x,y) = (5,-1)$ , then the vertices of the triangle A'B'C':

$A'(x,y) =(0,2)$ , $B'(x,y) = (-2,4)$ , $C'(x,y) = (-5,1)$

The vertices of the triangle A'B'C' are $A'(x,y) =(0,2)$ , $B'(x,y) = (-2,4)$ and $C'(x,y) = (-5,1)$ , respectively.

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2 years ago

What is the rule for the nth term of the arithmatic sequence given below:

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Answer:

an = 5/2 +3/2(n -1)

Step-by-step explanation:

The common difference is ...

4 -5/2 = 3/2

The general rule is ...

an = a1 +d(n -1)

For a1 = 5/2 and d = 3/2, the rule for this sequence is ...

an = 5/2 +3/2(n -1)

___

This can be simplified to ...

an = 1 +3/2n

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2 years ago