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3 years ago

Write an expression in simplest form that represents the cost for shampooing and cutting w women's hair and m men's hair.

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

6 0

Answer:

the cost of the women's haircut is $15 and to shampoo the woman's hair is $5

and the cost of the mens hair cut is $7 and to shampoo the mens hair is $2

15+5=$20 is how much it cost for the women.

7+2=$9 is how much it cost for the men.

Step-by-step explanation:

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How do i solve systems of equations by elimination?

stiv31 [10]

First make sure that one of the variable has the same coefficient in each equations.

For example lets use:
y=x+3
2y=3x-1

Since neither the y's or x's are the same, we must multiply the equations to make them the same. I am going to multiply the first equation by 2 so I can eliminate the y's.

So we get:
2y=2x+3
2y=3x-1

Then we subtract the second equation from the first to eliminate the y's. So we end up with 0=-x+4 and now we solve for x
0=-x+4
x=4

Now we plug in our x into either original to get the y-value. I am using the first
y=x+3
y=4+3
So the x=4 and y=7

Hope this helps!

6 0

3 years ago

Which expressions are equivalent to -3/16?

AysviL [449]

3/-16, - 3/16, -(3/16)

3 0

3 years ago

Read 2 more answers

find the area of a circle, take π to be 3.142 and give your answer to one decimal place. the radius is 4cm

Ivan

Answer:

A≈50.27

hope this helps you

4 0

3 years ago

NEEP HELP ASAP!!!!!!!!!!!!!!!!!!!!!

stealth61 [152]

Step-by-step explanation:

sin 25 = 15 / xz

xz = 15/ sin 25

xz = 35.49

tan w = 35.49 / 22

w =58.15

8 0

2 years ago

Theres 30 kilograms of 10% apple juice. How many kilograms of apples does it need to increase the current apple juice to 25%?

raketka [301]

The mass of the apple juice needed to increase the initial concentration to 25% is 45 kg

The given parameters;

Mass of the apple juice, m = 30 kg
current percentage, = 10%
final percent after increment = 25%

Let the mass added to increase the percentage to 30% = x

10% ----------------- 30 kg

25% ------------------ ?

$= \frac{25 \times 30}{10} \\\\= 75 \ kg$

The additional mass is calculated as;

$x+ 30 = 75\\\\x = 75 - 30\\\\x = 45 \ kg$

Thus, the mass of the apple juice needed to increase the initial concentration to 25% is 45 kg.

Learn more about percentage and ratio here: brainly.com/question/11752721

6 0

2 years ago