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2 years ago

Are these lines perpendicular? X yes no

Mathematics

1 answer:

Colt1911 [192]2 years ago

7 0

Answer:

$\huge\boxed{\sf No.}$

Step-by-step explanation:

Perpendicular lines:

When two lines intersect each other at 90 degrees, they are said to be perpendicular lines.

Answer:

The given lines are not perpendicular lines since they do not intersect each other at 90 degrees.

$\rule[225]{225}{2}$

Hope this helped!

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Solve for X using special rights

Scorpion4ik [409]

Answer:

b) 30

Step-by-step explanation:

Hi there !

the side opposite the angle of 30 is half the hypotenuse

x = 2×15

x = 30

Good luck !

4 0

3 years ago

6) f(x) = 2x - 1, g(x) = 3x + 7 Find (fg)(x).

amid [387]

Answer:

$\boxed{\sf \ \ \ 6x^2+11x-7 \ \ \ }$

Step-by-step explanation:

Hello,

$(fg)(x)=f(x)*g(x)=(2x-1)(3x+7)=2x(3x+7)-(3x+7)=6x^2+14x-3x-7\\=6x^2+11x-7$

hope this helps

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3 years ago

Triangle ABC is similar to triangle DEF. The length of

zavuch27 [327]

Answer: $EF=15cm$

Step-by-step explanation:

You know that the triangle ABC and the triangle DEF are similar.

Therefore, if the lenght of AC is 12 centimeters and the lenght of DF is 10 centimeters, then you can find the ratio as following:

$ratio=\frac{DF}{AC}\\\\ratio=\frac{10cm}{12cm}\\\\ratio=0.8333$

Then, the calculte the length of EF, you must multiply the lenght BC of the triangle ABC by the ratio obtained above.

Therefore, the lenght EF is the following:

$EF=0.8333(18cm)\\EF=15cm$

3 0

3 years ago

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What is the answer to 13+(-19)

Assoli18 [71]

Answer:

13+(-19)=13-19=-6 is your answer

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3 years ago

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Write the product in its simplest form: c•9c

konstantin123 [22]

I belive it is going to be 9c but i could be wrong

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2 years ago

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