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zzz [600]
3 years ago
5

A hair salon charges a fixed rate of $25.00 for a haircut and then an additional $15 for any other services. Write a function to

model the cost of services there and then evaluate it if you also get a shampoo, highlight, and blow dry.
Mathematics
2 answers:
Taya2010 [7]3 years ago
3 0
Simple,

you have a fixed rate of $25, meaning you get a haircut, it's $25

ANY other service is an extra $15

So, let's make the equation...

y=15x+25

Now, to just get a haircut it's $25.

But, let's say you get a haircut+shampoo

It'd be..

y=15(1)+25

y=$40

Another one..

You get a haircut+shampoo+highlight

y=15(3)+25

y=$70

And so on, and so forth.
maksim [4K]3 years ago
3 0

Answer:

f(x)=15x + 25; f(3) = 70

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Simplify the expression: show all ur steps/ wrk PLEASE,1+2x3-18/3+(5(2+2)]
Maurinko [17]
Ok let's do this*pops knuckles*



let's add the first side

1 + 2 \times 3 - 18
order of operations demands that we do multiplication first(P.E.M.D.A.S)

so
2 \times 3 = 6
now we can add the 1 from
1 + (6) - 18
into our six


6 + 1 = 7
now we substract

(7) - 18 =  - 11
now we have
- 11  \div 3 + (5(2 + 2))
now we focus on the
other side
3 + (5(2 + 2))
since 5 is in paranthesis we use something called the distributive property. it mean we will multiply the 5 by both of the 2.
(5(2 + 2)) = (((5 \times 2) + (5 \times 2) = 20
now we have
3  + 20 = 23

(the three is from the original equation)

now we plug in our final numbers

- 11 \div 23
or
\frac{ - 11}{23}
I hope this helps
4 0
3 years ago
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Write the missing factor.
Juliette [100K]

Hello from MrBillDoesMath!

Answer:

Choice D, d+5


Discussion:

(d+5) ( d-5) = d^2 - 25 so the answer is (d+5) or choice D



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6 0
3 years ago
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A number q divided by 5 is 8
oee [108]

Answer:

q = 40

Step-by-step explanation:

\frac{q}{5} = 8

multiply 5 on boths sides:

\frac{q}{5} x 5 = 8 x 5

q = 40

to check:

\frac{40}{5} = 8

8 0
3 years ago
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What is the modulus of |9+40i|?
Talja [164]

Answer:

41

Step-by-step explanation:

We know that complex numbers are a combination of real and imaginary numbers

Real part is x and imaginary part y is multiplied by i, square root of -1

Modulus of x+iy = \sqrt{x^2+y^2}

Here instead of x and y are given 9 and 40

i.e. 9+40i

Hence to find modulus we square the coefficients add them and then find square root

|9+49i| =\sqrt{9^2+40^2} =\sqrt{1681}

By long division method we find that

|9+40i| =41


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3 years ago
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