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bagirrra123 [75]
3 years ago
6

If the triangle ABC~ triangle PQR, find value of y.

Mathematics
1 answer:
ale4655 [162]3 years ago
4 0

C must be 80° to make the triangle angles add to 180°.  The corresponding angles of similar triangles are congruent. So

Answer: y=80°

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Write an expression in factored form that is equivalent to the given expression. 1/2x + 4 . can u also tell how you solved it ?
Rufina [12.5K]
2 ways: Easy and hard
Hard=A
Easy=B
A: 1/2x+4 work from there so we do fun stuff with it make something that can be simplified so 1/2x+4 times (2/2)=x+8 now square the whole thing and put the result in a square root thingie (x+8)^2=x^2+16x+64 \sqrt{x^2+16x+64} multiply the whole thing by 4/4 and put \sqrt{16} [\tex] on top so then 
[tex] \sqrt{x^2+16x+64} times \frac{ \sqrt{16} }{4}=\frac{\sqrt{(16)(x^2+16x+64)}}{4}=\frac{ \sqrt{16x^2+256x+1024} }{4} to solve it, factor out the 16 in the square root and then square root 16 to get 4 then it will be (4 times square root of equation)/4=square root of equatio factor square root of equation and square root it and get x+8 divide by 2 to get 1/2x+4


B: 1/2x+4
put stuff that cancels out
1/2x+3x-3x+4+56-56
move them around
3 and 1/2x-3x+60-56
or
2x-3x+1 and 1/2x+30-20+30-36
then just add like terms to solve

5 0
3 years ago
Simplify -|-12| plz help
mash [69]

Answer:

-12

Step-by-step explanation:

-|-12|  =  (-1)*| -12 |  =  - 12.

Recall the meaning of the absolute value function:  It always returns a zero or positive result.  Here, | -12 | = +12.  Now, if there's a negative sign in front

of | -12 |, the final answer is -12.

8 0
3 years ago
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ivanzaharov [21]

Answer:5-b=1/5

Step-by-step explanation:

3 0
3 years ago
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Please Help! I got an answer, but I think it's wrong.
Ghella [55]

Answer:

I am pretty sure u got it right

Step-by-step explanation:

:)

3 0
2 years ago
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Find the first four terms of this geometric sequence for a1=3 and r=-3
Natali5045456 [20]
a_1=3;\ r=-3\\\\a_2=a_1r\to a_2=3\cdot(-3)=-9\\\\a_3=a_2r\to a_3=-9\cdot(-3)=27\\\\a_4=a_3r\to a_4=27\cdot(-3)=-81\\\\Answer:\{3;-9;\ 27;-81\}
8 0
3 years ago
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