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olga nikolaevna [1]
3 years ago
14

Sqrtx^2+6x+9 if x≥3 please help quick idk how to do this at all

Mathematics
1 answer:
katrin [286]3 years ago
7 0

Answer:

x+3

Step-by-step explanation:

sqrt(x^2+6x+9)

factor

We know this is a perfect square trinomial

sqrt(( x+3)^2)

Taking the square root of a square

x+3

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if △ ABC ~ △A'B'C' and AC=20cm,A'C'=15cm,B'C'=12cm andA'B'=9cm find the lengths of the other sides of △ABC.​
zlopas [31]

Answer:

AB=12    BC=9

Step-by-step explanation:

Any side of a triangle must be shorter than the other two sides added together.

AB and A'B' must measure LESS than  the other 2 sides

  15 is 3/4 of 20

   12 is 3/4 0f 9

 

20/15   12/9    = 1.3333333........

6 0
2 years ago
This is long division can you help me do it plz!
Alisiya [41]

Answer:

175262

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
How many temperature in Biratnagar​
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Answer:

Step-by-step explanation:

do you mean "what is the temperature in birantnager?"

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6 0
3 years ago
Solve for x<br> 4(x + 6) = 3x – 7
SCORPION-xisa [38]

Answer:

-31 = x

Step-by-step explanation:

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6 0
3 years ago
Brainly Quiz! Do this under 5 mins!
gregori [183]
3/4 hr=60 times 3/4=45mins
45/6=7.5 letters
that is pretty slow if you ask me




1/4 times what=5/6
times 4/1 both sides
what=20/6
what=10/3
about 3 and 1/3 of the 1/4 in the 5/6






20mins=1/3hr so
1/3 times what=3.4
times 3/1 both sides
what=10.2
there are 10.2 of them




1yd=36in
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9 of them




16oz=1lb
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6 cookies

3 0
4 years ago
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