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2 years ago

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You have a 5" by 7" photo that you would like to have enlarged to fit an 8" by 10" frame. Would the two photographs be similar?

Explain

1 answer:

stira [4]2 years ago

4 0

No, to be similar the sides need to be proportional, in which they are not. 8/5=1.6 and 10/7=1.4.

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Write an equation in slope-intercept form that goes through (12, 4) and (20,8).

spayn [35]

Answer:

Equation in slope-intercept form that goes through (12, 4) and (20,8) is: $y = \frac{1}{2}x-2$

Step-by-step explanation:

Given two points are:

$(x_1,y_1) = (12,4)\\(x_2,y_2) = (20,8)$

Slope intercept form of line is given as:

$y = mx+b$

Here m is the slope of the line and b is the y-intercept.

Slope of a line is calculated by the formula:

$m = \frac{y_2-y_1}{x_2-x_1}$

Putting the values

$m = \frac{8-4}{20-12}\\m = \frac{4}{8}\\m=\frac{1}{2}$

Putting the value of slope in slope-intercept form we get

$y = \frac{1}{2}x+b$

To find the value of b, any one point will be put in the equation

Putting the first point (12,4) in the equation

$4 = \frac{1}{2}(12) + b\\4 = 6+b\\b = 4-6\\b = -2$

Putting the value of b

$y = \frac{1}{2}x-2$

Hence,

Equation in slope-intercept form that goes through (12, 4) and (20,8) is: $y = \frac{1}{2}x-2$

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2 years ago

Simplify 400:240 fully

gayaneshka [121]

40:24
20;12
10;6
5;3

5:3

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That would be C. $1218.99 :)

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15 meters!! Is the correct answer

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2 years ago

Someone please explain I have zero clue how to answer this!

UkoKoshka [18]

Answer:

x=62

Step-by-step explanation:

152-90(because of the right angle)

the 28 is a red herring

4 0

2 years ago