Of the 80 girls in Joy's class, 24 have blond hair. What percent of girls in Joy's class have blond hair?

Answers

Answer 1

Answer:

30%

Step-by-step explanation:

Answer 2

Answer:

15%

Step-by-step explanation:

To determine the percentage of the girls with blonde hair...it means we will have to use this formula

Number of girls with blonde hair/total numbers of girls ×100

Number of girls with blonde hair is 12

Total number of girls is 80

Therefore,12/80 ×100

1200/80

120/8

15

Therefore the percentage of the girls with blonde hair is 15%


Related Questions

-17=x-15 x=-2 How do I show this work tho?

Answers

-17 = x - 15

-17 = -2 - 15

Move the 15 over to the -17, the negative becomes a positive.

15-17 = -2

17 - 15 = 2 but since 17 is greater than 15, it's -2

-2 = -2

Graph the solution to this inequality 4x+5y<20

Answers

Answer:

Everything in red works

Step-by-step explanation:

Point O is the incenter of ΔABC.

Point O is the incenter of triangle A B C. Lines are drawn from the point of the triangle to point O. Lines are drawn from point O to the sides of the triangle to form right angles and line segments O Q, O R, and O S. Angle Q A O is (2 x + 6) degrees, angle O A S is (4 x minus 12 degrees), and angle Q B O is (3 x minus 15) degrees.

What is m Angle Q B O?



12°
24°​

Answers

Answer: the answer is 12

Step-by-step explanation:

2x+6 =4x-12

-2x=-18

x=9

3(9)-15

27-15

12

Please please help please please ASAP

Answers

Answer:

A. 21 / 29

Step-by-step explanation:

with reference angle X

base (b) = 21

hypotenuse (h) = 29

Now

Cos X = b / h

= 21 / 29

Hope it will help :)

1. If you randomly select a piece of fruit from this jar, what is the P(orange)? Write answer as a simplified fraction.
2 oranges and 6 apples are in the jar​

Answers

2/8 = 1/4

1/4 is the simplest form of the fraction.

There are 2 oranges out of 8 fruits

please actually help me. ill give brainliest if you explain your answer.

Answers

Answer:

subtract 11 from both sides

Step-by-step explanation:

-3x+11=44

-3x=33

x=-11

Answer:

Subtract 11 from both sides

Step-by-step explanation:

[tex]-3x+11=44\\\\Subtract 11 from both sides\\-3x+11-11=44-11\\\\simplify\\\\-3x=33\\\\Divide both sides by -3\\\frac{-3x}{-3} =\frac{33}{-3} \\x=-11[/tex]

A caterpillar moves across the grass at a rate of 4 2/3 feet every 7 minutes. How fast does the caterpillar move in feet per minute? ​

Answers

Given:

A caterpillar moves across the grass at a rate of [tex]4\dfrac{2}{3}[/tex] feet every 7 minutes.

To find:

The rate of moving caterpillar in feet per minute.

Solution:

We have,

Distance covered by caterpillar is 7 minutes = [tex]4\dfrac{2}{3}[/tex] feet

Distance covered by caterpillar is 1 minutes = [tex]\dfrac{4\dfrac{2}{3}}{7}[/tex] feet

                                                                        = [tex]\dfrac{\dfrac{4(3)+2}{3}}{7}[/tex] feet

                                                                        = [tex]\dfrac{14}{3\times 7}[/tex] feet

                                                                        = [tex]\dfrac{2}{3}[/tex] feet

Therefore, caterpillar move [tex]\dfrac{2}{3}[/tex] feet per minute.

Subtract 4(2x-7) from 5(3x-2)

Answers

Answer:

7x+18

Step-by-step explanation:

Multiplay the numbers by for and five and solve

How long is the rectangle? *
A rectangle is 5cm longer than it is wide.
The perimeter of the rectangle is 86cm.
How long is the rectangle?

Answers

Solution

here, length= 5cm

breath= ?

Perimeter= 86 cm

By the question,

Perimeter (P) = l×b = 86 cm

or, 5cm × b= 86 cm

or, b = 86÷ 5

or, b= 17.2 cm

find the value of y for the given value of x y = 5x +9 ; x=2​

Answers

Answer:

y = 19

Step-by-step explanation:

the value of Y is 19

Which of the following is the largest Customary Unit of time?

seconds

weeks

minutes

years

Answers

years because it’s longer than any of those

Answer:

it’s years

Step-by-step explanation:

A line with a slope of 1/3 passes through (-5,r) and (4,1).
To make this work correctly, the value of r=

Answers

Answer:

r=-2

Step-by-step explanation:

your welcome :D also if there's another answer could you give me brainliest pls

If LN = 12x + 16, what is the length of Line segment L N in units?

Answers

Answer:

Step-by-step explanation:

16 units 40 units 48 units 64 units.

Answer:

64 units

Step-by-step explanation:

Given M lies on LN, so LN = LM + MN --------------(1)

LN = 12x + 16

LM = 10x + 8

MN = 5x - 4

Substituting the values in equation 1, we get:

12x + 16 = (10x + 8) + (5x - 4)

12x + 16 = 15x + 4

15x - 12x = 16 -4

3x=12

Therefore x=4

LN= 12(4) + 16 = 64 units

Question is in picture below ​

Answers

Answer:

[tex] \frac{y - 18}{x - 1} = \frac{23 - 18}{1.5 - 1} = \frac{5}{0.5} = 10 \\ y - 18 = 10(x - 1) = 10x - 10 \\ y = 10x + 18 - 10 = 10x + 8 \\ \boxed{f(x) = 10x + 8}[/tex]

A. is the right answer.

hope this helps.

y = 5/4 x + 3.000000000

Answers

Answer:

151

Step-by-step explanation:

Which graph represents this system of inequalities?
y> x+3
Y> 5x-1 pls need help

Answers

Answer:

5x

Step-by-step explanation:

It’s 5x

Hi,

the correct answer is A.

I added a screenshot of the correct one.

XD

Kai can walk 2 miles in a half of an hour. How far will he walk in 2 hours?

Answers

Answer:

Kai will walk 8 miles

Step-by-step explanation:

Have a gr8 day!

A family of 2 adults and 3 children went to a movie. The tickets cost $8 for adults and $5 for children. They also bought 3 sodas for 1.99 and a large bucket of popcorn for 5.99. How much money did the family spend on their outing to the movies total.

Total for all the movie tickets:

Total for the sodas:

Total spent on the evening:

Answers

Answer:

Total for all the movie tickets:$31

Total for the sodas:$5.97

Total spent on the evening:$42.96

(GIVING BRAINLIEST!!)
A teacher buys 5 pizzas. Each slice is 1/8 of a pizza. How many slices are there in total?

A) 1/40 slice
B) 4 slices
C) 20 slices
D) 40 slices

Answers

Answer:

D) 40

Step-by-step explanation:

5 pizzas and as saying above 1/8 that means the pizza is being cut into 8 slices and their is 5 pizzas so the answer will be provided by multipling 8 by 5

Answer:

There are 8 slices in =1 box

8*5

=40 slices in all 5 boxes

PLEASE HELP! PLEASEE
Match the following equation to the correct situation.

s − s(21%) = s(79%)
A.
the price for a shirt that originally cost s after a 21% discount

B.
the amount that Anis owes on his car was 21% of s

C.
the amount that Katie paid for a pair of jeans with 21% tax on s

D.
the amount Doug gave to the local heart association was 21% of s

Answers

Gdbensudmdmjeh chbdvyshh in cahgyzbwhh by h in uubb hv gibuduyhe d

I've asked this question twice and gotten 2 different answers. this is sooo urgent and I don't know what the right answer is. A long-distance phone company charges $4.95 month plus an additional $.10 per minute. a. Define a variable and write a formula to find the total cost per month for long-distance service. b. Use this formula to find the long-distance charges for 120 minutes of calls in one month.​

Answers

Answer:

C=4.95 +0.10x, where x=minutes

C=4.95 + 120(0.10)

C=4.95 +12.00=$16.95

Hope this helps!!

M is the midpoint if AB . If coordinates of A are (-1,5) and the coordinates of M are (3,3) , what are the coordinates of B?

Answers

Answer:

The co-ordinates of B are ( 7,1)

Step-by-step explanation:

Step(i):-

Given that 'M' is the midpoint of AB

Given co-ordinate points are A(-1,5) and midpoint M(3,3)

we know that the midpoint formula

[tex]midpoint = (\frac{x_{1} +x_{2} }{2} ,\frac{y_{1}+y_{2} }{2} )[/tex]

[tex](3,3) = (\frac{-1+x_{2} }{2} ,\frac{5+y_{2} }{2} )[/tex]

Step(ii):-

Equating

        [tex]3 = \frac{-1+x_{2} }{2}[/tex]      and   [tex]\frac{5+y_{2} }{2} = 3[/tex]

cross multiplication, we get

     6 = -1 + x₂    and  6 = 5 +y₂

     x₂ = 6+1        and y₂ = 6-5

    x₂  = 7         and    y₂ = 1

Final answer:-

The co-ordinates of B are ( 7,1)

At the local theatre, 120 people attended at the production of Romeo and Juliet on Friday. The attendance on Saturday was 140% of the attendance on Friday. How many people went to the theatre on Saturday?

Answers

Answer: 168 people

Step-by-step explanation:

If 120 people attended on Friday, 120% of that will be:

= 120 * 140/100

= 168 people


I dint understand this what’s the answer?

Answers

The answer I think it is would be B

Find the value of x using the pythagorean theorem.

Answers

Answer:

2√13

Step-by-step explanation:

make it braintliest please

Step-by-step explanation:

[tex]\huge\bold\purple{ 7.21 }[/tex]

Find the volume of the cube in inches3 below. Then select the correct units
when entering your answer.
7 in.
7 in.
7 in
Answer here
cu. cm
cu, in
sq. in

Answers

Answer:

21 cubic inches (or cu. in)

Step-by-step explanation: Multiply 7 by three

Which isa zero of the quadratic function f(x) = 4x + 24x + 11?
Ox=9.25
Ox=-5.5
Ox=0.5
Ox=3.25

Answers

Answer:

b

Step-by-step explanation:

just took the test edg 22

Option B is correct, -5.5 is the zero of the quadratic function f(x) = 4x + 24x + 11

What is quadratic equation?

A quadratic equation is a second-order polynomial equation in a single variable x , ax²+bx+c=0. with a ≠ 0 .

The given quadratic function is f(x) = 4x²+24x+11

We have to find the zero of the function.

Let us use the quadratic formula to find the zero.

a=4, b=24 and c=11

Let us plug in these values in quadratic formula

x=- 24±√24²-4(4)(11)/8

=-24±√576-176/8

=-24±√400/8

=-24±20/8

=4(-6±5)/8

=(-6+5)/2  or -6-5/2

=-1/2 or -11/2

=-0.5  or -5.5

Hence, Option B is correct, -5.5 is the zero of the quadratic function f(x) = 4x + 24x + 11

To learn more on Quadratic equation click:

https://brainly.com/question/17177510

#SPJ7

Please answer correctly !!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!

Answers

Answer:

1 and 2 are rectagles and 3 is not

Step-by-step explanation:

If you deposit 4,300 into an account with an semi annual interest rate of 11% how much will you have after 1year

Answers

Answer:

FV= $4,786.01

Step-by-step explanation:

Giving the following information:

Initial deposit (FV)= $4,300

Number of periods (n)= 2 semesters

First, we need to calculate the semi-annual interest rate:

Semi-annual interest rate= 0.11/2= 0.055

Now, to determine the future value, we need to use the following formula:

FV= PV*(1+i)^n

FV= 4,300*(1.055^2)

FV= $4,786.01

I need help like NOW!

Answers

Answer:

5t

Step-by-step explanation:

kinda self explanatory

dividing it, adding it, and subtracting it wouldnt make sense for the equation youre trying to solve.

Answer:

5t

Step-by-step explanation:

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