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Xelga [282]
2 years ago
13

A hairstylist charges $70 for a haircut. If you give them an additional tip of 15%, what will the total cost of the haircut be?

Mathematics
2 answers:
nalin [4]2 years ago
5 0

Answer:

$80.50

Step-by-step explanation:

Luda [366]2 years ago
4 0
$80.50
15% of 70 is 10.50
that plus 70 is 80.50
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Suppose your school plans a musical. The directors goal is ticket sales of at least $4500. Adult tickets are $7.50 and student t
Evgesh-ka [11]
D because it says you will be getting at least 4500 or more dollars by adding the adult and student tickets
7 0
3 years ago
Y-5b<br><br> Evaluate the expression when b= -3 and y=5
lianna [129]

Answer: 20

Step-by-step explanation:

all you need to do is substitute the variables into the given expression, y-5b would turn into 5-5(-3) then you solve and you get 5-(-15) = 5+15 = 20, so youre answer is 20

5 0
3 years ago
Read 2 more answers
A greeting card has a perimeter of 80 cm and an area of 384 square cm what are the dimensions for the greeting card
Ulleksa [173]

Step-by-step explanation:

it is a rectangle (usually).

so,

2×length + 2×width = 80

therefore, length + width = 40

length×width = 384

length = 384/width

384/width + width = 40

384 + width² = 40×width

width² - 40×width + 384 = 0

the general solution for such a square equation is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

x = width

a = 1

b = -40

c = 384

width = (40 ± sqrt((-40)² - 4×1×384))/(2×1) =

= (40 ± sqrt(1600 - 1536))/2 =

= (40 ± sqrt(64))/2 = (40 ± 8)/2 =

= 20 ± 4

width1 = 20 + 4 = 24 cm

length1 = 40 - 24 = 16 cm

width2 = 20 - 4 = 16 cm

length2 = 40 - 16 = 24 cm

so, both solutions are the same.

the greeting card is 24×16 cm. or 16×24, depending on how you are holding it.

3 0
2 years ago
Write the first six terms
liberstina [14]

Answer:

First term=3

Second term =-2

Third term=18

Fourth term=-62

Fifth term=258

Sixth term=-1022

Step-by-step explanation:

an=(-4)^(n-1) + 2

First term: a1=(-4)^(1-1) + 2

a1=(-4)^0+2

a1=1+2

a1=3

Second term:a2=(-4)^(2-1)+2

a2=(-4)^(1)+2

a2=-4+2

a2=-2

third term:a2=(-4)^(3-1)+2

a2=(-4)^(2)+2

a2=-4 x -4 + 2

a2=16+2

a2=18

Fourth term: a4=(-4)^(4-1)+2

a4=(-4)^3 +2

a4=-4x-4x-4+2

a4=-64+2

a4=-62

Fifth term:a5=(-4)^(5-1)+2

a5=(-4)^4+2

a5=-4x-4x-4x-4+2

a5=256+2

a5=258

6th term:a6=(-4)^(6-1)+2

a6=(-4)^5+2

a6=-4x-4x-4x-4x-4+2

a6=-1024+2

a6=-1022

4 0
3 years ago
After arranging the terms in descending powers of a variable, select the opposite of the polynomial. 9 - 12n^2 + 4n^3 - 7n
solniwko [45]

Answer:

Step-by-step explanation:

6 0
4 years ago
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