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Alexxx [7]
3 years ago
8

What is a 18% tip on a $40.00 haircut

Mathematics
2 answers:
natita [175]3 years ago
4 0

Answer:

$7.20

Step-by-step explanation:

ki77a [65]3 years ago
3 0

Answer:

$7.2

Step-by-step explanation:

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If x and y are positive integers such that 5x+3y=100, what is the greatest possible value of xy? please include steps. Thank you
natulia [17]

Answer:

The greatest possible value of xy is 165.

Step-by-step explanation:

6 0
3 years ago
Find sin(2x), cos(2x), and tan(2x) from the given information.<br> tan(x) = − 1/2 , cos(x) &gt; 0
vodomira [7]

Answer:

  • sin(2x) = -4/5
  • cos(2x) = 3/5
  • tan(2x) = -4/3

Step-by-step explanation:

It may be easiest to start with tan(2x).

  tan(2x) = 2tan(x)/(1 -tan(x)²)

  tan(2x) = 2(-1/2)/(1 -(-1/2)²) = -1/(3/4)

  tan(2x) = -4/3 . . . . . still a 4th-quadrant angle

__

Then cosine can be found from ...

  cos(2x) = 1/√(tan(2x)² +1) = 1/√((-4/3)²+1) = √(9/25)

  cos(2x) = 3/5

__

Sine can be found from these two:

  sin(2x) = cos(2x)tan(2x) = (3/5)(-4/3)

  sin(2x) = -4/5

5 0
3 years ago
Find the slope of the line passing through (-8,6) and (6,6)
frosja888 [35]

Answer:

0

Step-by-step explanation:

6-6 equals 0 and -8 minus 6 equals -14 and 0 divided by equals 0

8 0
4 years ago
Go to CPSB.agilemind.com
schepotkina [342]

Answer:

False, it isn't right.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the value of x- helppp
Evgen [1.6K]

Answer:

60º

Step-by-step explanation:

A triangle is 180º so you do (180-60)/2 and you get that x=60.

Hope that helps :)

7 0
3 years ago
Read 2 more answers
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