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2 years ago

Will mark Brianliest !!!!!!!!!!!!!! Answer correctly please!!!!!

Mathematics

1 answer:

navik [9.2K]2 years ago

8 0

Answer:

x = 6

Step-by-step explanation:

Vertical angels are always equal, there fore angle A = angle B.

If angle A = angle B, and

angle A = 3x - 9 and angle B = x + 3, then

3x - 9 = x + 3

Now you can solve this like a regular inequality

Start by subtracting x by it's self then 3x to get both variables on one side.

2x - 9 = 3

Now you can add 9 to it's self and to 3 on the other side.

2x = 12

Finally, divide 2 by it's self and 12.

x = 6

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PLEASE HELP PLEASE PLEASE

NNADVOKAT [17]

Answer: The value of x =2 units.

Explanation:

Since we have given that

AD= CD

BE= EA

So, we get that D and E are the mid-points of AC and AB respectively.

So, by Mid- point theorem , which states that the line joining the two midpoints is parallel to third side and it is half in length of third side i.e.

$DE=\frac{1}{2}BC$

So, we put the value of DE and BC ,

$5x-3=\frac{1}{2}\times (x+12)\\\\2(5x-3)=x+12\\\\10x-6=x+12\\\\10x-x=12+6\\\\9x=18\\\\x=\frac{18}{9}=2$

Hence, the value of x =2 units.

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2 years ago

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What is the solution to this equation?

miskamm [114]

The answer is B if you solve for x

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3 years ago

Which fraction is greater? how do you know? a) 2/3 , 2/5

rusak2 [61]

Answer:

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Step-by-step explanation:

Two fractions can only be compared if their denominators are equal. In the given problem they are different, so first we make them equal.

$\frac{2}{3} = \frac{2 \times 5}{3 \times 5} = \frac{10}{15} \\ \\ \frac{2}{5} = \frac{2 \times 3}{5 \times 3} = \frac{6}{15} \\ \\ \because \: \frac{10}{15} > \frac{6}{15} \\ \\ \purple{ \boxed{ \bold{ \therefore \: \frac{2}{3} > \frac{2}{5} }}}$

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777dan777 [17]

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