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3 years ago

Who knows what erattas is

Mathematics

1 answer:

Minchanka [31]3 years ago

7 0

Answer:

Errata is originally the plural of the singular Latin noun erratum. Like many such borrowed nouns ( agenda; candelabra ), it came by the mid-17th century to be used as a singular noun, meaning “a list of errors or corrections to be made (in a book).”

Step-by-step explanation:

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Let a, b, c, and d be real numbers with a, c 6= 0. Prove that the lines y = ax+b and y = cx + d have the same x-intercept if and

Monica [59]

Step-by-step explanation:

We have got the lines :

$y=ax+b\\y=cx+d$

Both lines intercept the x-axis in the point :

$I = (i_{1} ,i_{2})$

In all point from x-axis the y-component is equal to 0.

$I=(i_{1},o)$

We replace the I point in the lines equations:

$0=a(i_{1})+b \\0=c(i_{1})+d$

From the first equation :

$0=a(i_{1})+b \\-b=a(i_{1})\\i_{1}=\frac{-b}{a}$

From the second equation :

$0=c(i_{1})+d\\ -d=c(i_{1})\\i_{1}=\frac{-d}{c}$

Then $i_{1}=i_{1}$

Finally :

$\frac{-b}{a}=\frac{-d}{c} \\\frac{b}{a}=\frac{d}{c} \\ad=bc$

y = ax + b and y = cx + d have the same x-intercept ⇔ad=bc

8 0

3 years ago

Trent is building a new L-shaped desk for his room. He wants to make sure it

babymother [125]

Answer: 33 square feet

Step-by-step explanation:

First, let's take the area of the rectangle shown here which is 6ft long and 4ft wide

6x4=24

Now let's take the area of the square which is 3ft long and 3ft wide

3x3=9

Now add 24 and 9 for the total area

24+9=33 square feet

4 0

2 years ago

Find the tenth term in the sequence: 12,10,8,... a) -10 b) -6 c) -8 d) -18

raketka [301]

The answer is -6. because 12,10,8,6,4,2,0,-2,-4,-6.

6 0

3 years ago

Read 2 more answers

Is the function even,odd, or neither

alukav5142 [94]

Answer:

even I think

Step-by-step explanation:

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3 years ago

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Two perpendicular lines intersect at the origin. If the slope of the first line is .5, what is the equation of the second line?.

Sedaia [141]

The origin is at the point (0,0). Therefore, the y-intercept will be 0. For two points to be perpendicular, the slopes must be opposite reciprocals of each other. .5 can be seen as 1/2, so the reciprocal is 2, and it is positive, making that 2 negative. Your equation would be y = -2x.

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3 years ago