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Maru [420]
3 years ago
13

Melissa's service charge at a beauty salon

Mathematics
1 answer:
satela [25.4K]3 years ago
8 0

Answer:

melissa pays 18.144

Step-by-step explanation:

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Which is the next term in the pattern 1/12, 4/15, 9/18, 16/21
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I’m guessing it would be 21/24
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What is the answer to 24=2k
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Well, as you can see the answer and problem are switched so u do this

24=2k
÷2 ÷2
----------------------
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3 years ago
In a class, the ratio of girls to boys is 2:3. If there are 30 students in the class, what is the number of boys?
loris [4]
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3 years ago
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What elements in domain has the image 5 under function f(x)= 3x+ 2?
bekas [8.4K]

Answer:

Step-by-step explanation:

hello

calculate x : 3x+2 =5

means : 3x+2-2 =5-2

3x = 3

so : x = 3/3 =1

1 is the  element in domain has the image 5 under function f(x)= 3x+ 2

7 0
1 year ago
One positive integer is 5 less than twice another. The sum of their squares is 725. Find the integers.
finlep [7]
Let the numbers are a and b; a - 5 = 2b, and -------------- (1)a2 + b2 = 250 ----------------(2) rewriting and squaring of (1) is given as; a2 = 4b2 + 20b + 25 -------- (3) substituting (3) into (2) (4b2 + 20b + 25) + b2 = 250, thus 5b2 + 20b - 225 = 0 by dividing both sides by 5 b2 + 4b - 45 = 0 solving the quadratic for b, we will get b = -9 or 5, substituting these for b in (1), we will get a asa = -13 or 15 However, if a and b must be positive integer, then a = 15 and b = 5 is the answer
4 0
3 years ago
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