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3 years ago

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The sum of two consecutive odd integers is 28. What are the integers?

1 answer:

Fantom [35]3 years ago

4 0

The correct option is B): "<span>Let x = 1st integer. Let x + 2 = 2nd integer.</span><span>"
Given that "The sum of two consecutive odd integers is 28."

Now the difference between two odd numbers is 2. So this means that one odd number has to be greater than the other by 2.

Let the smaller number be 'X' therefore the bigger number will be 'x+2' thus x + (x+2) = 28

therefore, x + x + 2 = 28 now we subtract "2" from both the sides
therefore, 2x = 26 now dividing throughout by 2 we get:

x = 13 therefore, x + 2 = 13+2
= 15

therefore, the numbers are 13 AND 15</span>

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Answer:

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Step-by-step explanation:

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2 years ago

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3 years ago

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2 years ago

Consider the rectangle.

SCORPION-xisa [38]

Given:

The graph of a rectangle.

The given rectangle is dilated from the origin by a scale factor of 3.

To find:

The vertices of the image of the rectangle after the dilation.

Solution:

From the given graph it is clear that the vertices of the rectangle are A(0,2), B(0,4), C(3,4) and D(3,2).

If a figure is dilated from the origin by a scale factor of 3, then

$(x,y)\to (3x,3y)$

Using this rule, the vertices of the image are:

$A(0,2)\to A'(3(0),3(2))$

$A(0,2)\to A'(0,6)$

Similarly,

$B(0,4)\to B'(3(0),3(4))$

$B(0,4)\to B'(0,12)$

And,

$C(3,4)\to C'(3(3),3(4))$

$C(3,4)\to C'(9,12)$

And,

$D(3,2)\to D'(3(3),3(2))$

$D(3,2)\to D'(9,6)$

The vertices of the image after dilation are (0,6), (0,12), (9,12), (9,6).

Therefore, the correct options are B and F.

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2 years ago