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ankoles [38]
3 years ago
14

Joelle would like to tip her hairdresser 20%. If her haircut was $38.00, which expression should she use to find the tip amount?

Mathematics
1 answer:
Vilka [71]3 years ago
6 0
I pretty sure you would use x over 38.00 = 20 over 100 then cross multiply them
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Helpp<br> 11 7/8 + 4 1/2
Eddi Din [679]

Answer:

16.375 or 16 3/8

Step-by-step explanation:

8 0
3 years ago
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What is the length of a rectangle with width 12 inches and an area of 66 inches^2
sammy [17]

Answer:

The length is 5.5 inches

Step-by-step explanation:

The area of a rectangle is

A = lw

66 =  l * 12

Divide each side by 12

66/12 = l

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8 0
3 years ago
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3) A construction company uses 900 bricks to
denis-greek [22]

Answer:$570

Step-by-step explanation:If it is 900 for 2 walls, and they need 6 walls, then multiply 900 by 3. They would use 2700 bricks for 6 walls. Multiply 2700 by 0.10 to get the price for all the bricks, 270 dollars. If labor to build each wall costs 50 dollars then multiply that by 6 and add it to the 270 dollars. It costs 570 dollars to build 6 walls

6 0
3 years ago
5, 3.1.24<br><br> f(x) = 3x² + 5; find f(x + 3) - [f(x) + 3]
Aleks [24]

Given that f(x) = 3x^2 + 5, we have

f(x + 3) = 3 (x + 3)^2 + 5 \\\\= 3 (x^2 + 6x + 9) + 5 \\\\= 3x^2 + 18x + 32

so that

f(x+3) - (f(x) + 3) = (3x^2 + 18x + 32) - (3x^2 + 8) \\\\= \boxed{18x + 24}

3 0
2 years ago
Help me plz The formula K=59(F−32)+273.15 converts temperatures from Fahrenheit F to Kelvin K.
quester [9]

Let's see what to do buddy...

Step-by-step explanation:

_________________________________

k = 59(f - 32) + 273.15

Subtract the sides of the equation minus -273.15

k - 273.15 = 59(f - 32)

Divided the sides of the equation by 59

\frac{k - 273.15}{59} = \frac{59}{59}  (f - 32)  \\

\frac{k - 273.15}{59} = f - 32 \\

Subtract the sides of the equation plus 32

\frac{k - 273.15}{59} + 32 = f \\

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

7 0
4 years ago
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