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Ad libitum [116K]
3 years ago
5

Simplify. 81‾‾‾√ 18 9 −3 −18

Mathematics
1 answer:
alexandr1967 [171]3 years ago
5 0

9514 1404 393

Answer:

  (b)  9

Step-by-step explanation:

Maybe you want to simplify ...

  \sqrt{81}=\sqrt{9^2}  =\boxed{9}

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Triangle sum (3x+1)^0+(10x-11)^0+(3x-2)^0=180
svetlana [45]

Answer:

  • x = 12
  • 3x+1 = 37°
  • 10x-11 = 109°
  • 3x-2 = 34°

Step-by-step explanation:

Perhaps you want to know the value of x or the measures of the angles?

__

Simplifying the given equation, you get ...

  (16x -12)° = 180°

  16x = 192 . . . . . . . divide by °, add 12

  x = 12

  (3x+1)° = (3·12+1)° = 37°

  (10x-11)° = (10·12-11)° = 109°

  (3x-2)° = (3·12-2)° = 34°

x is 12, and the angle measures are 37°, 109°, 34°.

4 0
3 years ago
Solve for y: x=5y-3
kobusy [5.1K]
X=5y-3
-5y=-x-3
5y=x+3
y=x/5 + 3/5
7 0
3 years ago
Read 2 more answers
Note: Enter your answer and show all the steps you use to solve this problem in the space provided.
Alex Ar [27]

Answer:

(67/100)×(3/10)= (67x3)/(100×10)=201/1000=201/1000=0.201

7 0
3 years ago
A line passes through (6,3), (8,4), and (n,-2). Find the value of n.
Ganezh [65]

Answer: n=2

Step-by-step explanation:

Get graph paper make a graph mark them on your graph and since it says (n,-2) its going down because of the negative 2 i don't think this helped but if it did

7 0
3 years ago
Carl earns $5.25 per hour walking his neighbors dogs. He walks them 2/6 of an hour in the morning and 1/2 of an hour in the afte
DIA [1.3K]
2/6 = 1/3 = 20 minutes
1/2 = 30 minutes
20 + 30 = 50 minutes

50 minutes x 7 = 350 minutes = 5 hours and 50 minutes
5 x $5.25 = $26.25
50 minutes = 5/6
5/6 of $5.25 = 4.375

Add $26.25 to the total for 50 minutes to get your answer. :)
7 0
3 years ago
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