Helpppppppppppppppppp please......

Helpppppppppppppppppp Please......

Answers

Answer 1

Answer:

Ratio of girls to total number of students: 4:12

Step-by-step explanation:

There are four girls, and eight boys.

In all there are 12 students.

So the ratio of girls to total number of students taking swimming lessons is 4:12

Answer 2
I would confirm that it’s 4:12 same answer like on imagine math !

Related Questions

Identify the type of slope each line has. Place your answer under each graph.

Answers

-3, 0, 1/2, undefined

if it is going down its negative if it goes up its positive

first one you can tell because each one to the right it goes 3 down

2nd is 0 because there is no slope to it, last one is undefined because it cant be all the numbers when x is -4

I like animals, what animals do you like?

Answers

Answer:

tigers

Step-by-step explanation:

Answer:

cats,bunnys,rabits,snakes,lizards,horses,dogs

Step-by-step explanation:

0
The sum of three numbers is 10 The sum of twice the first number, 3 times the second number, and 4 times the third number is 27 The difference between 6 times
the first number and the second number is 35. Find the three numbers
first number
second number
third number

Answers

Answer:

vjbsvjbavljjvldbsef

Step-by-step explanation:

Mellssa will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $44 and costs an additional S0.14 per mile driven.
The second plan has an initial fee of $51 and costs an additional $0.09 per mile driven
For what amount of driving do the two plans cost the
Same?
mile
17
What is the cost when the two plans cost the same?
X
5
?

Answers

Answer:

Step-by-step explanation:

44+.14x = 51+.09x

.05x=7

140=x, or the amount of driving the two needs to do for the plans to be the same

44+14(.14)

plug it back in to find the cost

$63.60

Solve for the variable.
5t - 3 = 3t + 9
F
t = 6
G
t = 9
H
t = 3
J
t = 8

Answers

Answer:

F. t = 6

Step-by-step explanation

5t - 3 = 3t + 9

add 3t to both sides

2t - 3 = 9

add 3 to both sides

2t = 12

divide both sides by 2

t = 6

A football team has a total of 800 jerseys. There are 6 medium size jerseys. What is the percentage of medium size jerseys?

Answers

0.75% is the answer to this question

help me pleaseeeeee​

Answers

Answer:

c

Step-by-step explanation:

Answer:1. D. 12 2/72. B. 22 7/9Hope this helps!!:D

Find the simple interest paid to the nearest cent for each principal, interest rate, and time.

$2,620, 3%, 5 years

Pleaseee help!!!

Answers

Step-by-step explanation:

You deposit some money into a bank account paying 4% simple interest per year. You received $72 in interest after 3 years. How much the deposit (principal) was?

An urn contains 17 white balls and 18 red balls. A sample of four balls is selected at random from the urn. What is the probability that the sample contains two white balls and two red ones?

a. 0.0286
b. 0.2286
c. 0.3974
d. 0.0944
e. 0.0442
f. None of the above.

Answers

Answer:

c. 0.3974

Step-by-step explanation:

Given;

number of white balls, W = 17

number of red balls, R = 18

Total number of balls, T = 35

The number of ways the event will occur is given by

= P(2 whites) and P(2 reds)

= P(2whites) x P(2 reds)

= 17C2 x 18C2

= 136 x 153

= 20,808

The total number of possible outcome

= 35C4

= 52,360

The probability = 20,808 / 52,360

                          = 0.3974

The correct option is "C"

Probability that the sample contains two white balls and two red ones is equal to 0.3974.

So, option c. is correct.

Permutations and combinations

Probability is a discipline of mathematics concerned with numerical explanations of the likelihood of an event occurring or the truth of a claim.

Number of white balls [tex]=\boldsymbol{17}[/tex]

Number of red balls [tex]=\boldsymbol{18}[/tex]

Total number of balls [tex]=\boldsymbol{35}[/tex]

Probability that the sample contains two white balls and two red ones  

[tex]=\frac{\binom{17}{2}\binom{18}{2}}{\binom{35}{4}}[/tex]

[tex]=\frac{\frac{17!}{15!2!}\frac{18!}{16!2!}}{\binom{35!}{31!4!}}[/tex]

[tex]=\boldsymbol{0.3974}[/tex]

So, option c. is correct.

Find more information about combinations here:

https://brainly.com/question/815369?referrer=searchResults

If a function is defined by the formula y = 1/2 x + 3 and its domain is given by the set { -4,0,8}, then which set gives the functions range

Answers

Answer:

(-4, 8)

Step-by-step explanation:

Let F(x) = 4^x
The new fiction g(x) = f(x-1) +3
Write the new equation for g

Answers

oh my fod i’m sorry i wish i could help but i just need to answer someone random, i hope someone answers it soon man

Let n = 5.

What is the value of the expression 9n2−2−n?

Enter your answer in the box.

Answers

Answer:

9 (5) 2 - 2 - 5 = 83

A sector of a circle of radius 80 mi has an area of 1600 mi2. Find the central angle (in radians) of the sector.

Answers

Answer:

The central angle of the sector is 0.5 radian

Step-by-step explanation:

given;

radius of the circle, r = 80 mi

area of the sector, A = 1600 mi²

Area of sector is given by;

A = ¹/₂r²θ

where;

θ is the central angle (in radians) of the sector

[tex]\theta = \frac{2A}{r^2}\\\\\theta = \frac{2*1600}{80^2}\\\\ \theta = 0.5 \ radian[/tex]

Therefore, the central angle of the sector is 0.5 radian

The central angle (in radians) of the sector is 28.66 degrees

The formula for calculating the area of a sector is expressed as:

[tex]A = \theta/360 \times \pi r^2[/tex]

Given the following parameters

radius r = 80mi

Area of sector A = 1600mi²

Substitute the given parameters into the formula

1600 = Ф/360 * (3.14)(80)²

1600 * 360 = 20,096Ф

Ф = 576000/20,096

Ф =28.66 degrees

Hence the central angle (in radians) of the sector is 28.66 degrees

Learn more here: https://brainly.com/question/12792310

Find the slope of the line
y = 1/4x + 1/3

Thanks!

Answers

The slope would be m=1/4. Hope this helps :)

Answer:

0.0825

Step-by-step explanation:

1/4=0.25

1/3=0.33

3
The slope of the line that passes through the points (0,3) and (5, 13) is

Answers

i think the answer is 2

Please help asap, 10 points

Answers

Answer:

3x^2

................

Out of 60 people at the movies, 21 are kids. What percent are adults?

Answers

Answer: it is 65 % 39/60=13/20

Step-by-step explanation: because the kids are 21/60 and the adult are 39/60

PLEASE HELP (must show work) Show all work to factor x4 - 17x2 + 16 completely.

Answers

there i hope this helped

How do you do this question?

Answers

Answer:

y(0) = 3

Step-by-step explanation:

This is solved by plugging in each option one by one, and seeing which one results in a positive value for dy/dt.

dy/dt = (4 − 1) (1 − 2²) = -9

dy/dt = (7 − 1) (1 − 1²) = 0

dy/dt = (1 − 1) (1 − 2²) = 0

dy/dt = (-4 − 1) (1 − 0²) = -5

dy/dt = (3 − 1) (1 − 0²) = 2

Only the last option fits.

You are at a restaurant and the check comes to a total of $11. If you want to leave a 17% tip, how much total money should you pay, to the nearest cent?

Answers

Answer: $12.87

Step-by-step explanation:

$11 x .17 = $1.87

$11 + $1.87 = $12.87

Hii, can someone please help? I'm giving BRAINLIEST

Answers

Answer:

It would Be C I hoped this helped

Use the substitution method to solve the system of equations. Enter your
answer as an ordered pair.
x + y = 11
-X = -y-9

Answers

Answer:

Here ya go

Step-by-step explanation:

Examples: 1+2, 1/3+1/4, 2^3 * 2^2

(x+1)(x+2) (Simplify Example), 2x^2+2y a x=5, y=3 (Evaluate Example)

y=x^2+1 (Graph Example), 4x+2=2(x+6) (Solve Example)

Find the sum. 637,391 + 372,088 *

Answers

Answer:

1,009,479

Step-by-step explanation:

dude there 8a some thing called as a CALCULATOR

Lauren bought a television that cost $805. She plans to make equal payments of $38 each month until the television is paid in full. About how many payments will Lauren make?

Answers

the answer should be one year 10 months

B is between A and C. If AC = 31, AB = x–6, and BC = 2x+10, find the value of x. (Hint: Draw a picture.)

x =

Answers

I think it’s a because it’s better

List the first 5 Multipluls of 30

Answers

Answer:

30*1 = 30 - 1st

30*2 = 60 - 2nd

30*3 = 90 - 3rd

30*4 = 120 - 4th

30*5 = 150 - 5th

Above are the first 5 multiples of 30.

Answer:

30,60,90,120,and 150. I hope this helps:)

Step-by-step explanation:

69 or 420? ................​

Answers

Answer:

420 ayeee

Step-by-step explanation:

Answer:

I meeeaaan, both are pretty good numbers ;P

Step-by-step explanation:

Solve "43 -
O a = 3/5
O a = 3/4 .
O a = 4/3
O a = 5/3

Answers

Answer:

the answer to this question is 4/3

Answer:

C 4/3

Step-by-step explanation:

you're welcome <3

Karl bought ​3 1/2​ gallons of milk that cost $2.70 per gallon.

What was the total cost of the milk?

Answers

3.5 gallons of milk would cost $9.45

Answer:

The total cost would be $9.45

Step-by-step explanation:

I need it fasttttttt

5. Rex deposited $900 into an
account that earns 4% simple
interest. How many years will it
take for the value of the
account to reach $1,800?

Answers

Answer:

well, there is already $900 so 1800-900=900   now we need 4% of 900 which is $36   900 divided by 36 is 25

it will take 25 years

Step-by-step explanation:

plz mark brainliest i answered first

The number of years that will it take for the value of the account to reach $1,800 should be 25 years.

Calculation of the number of years:

Since the deposited amount is $900

The rate of interest is 4%

The future value is $1,800

So here the balance amount should be

= $1,800 - $900

= $900

Now 4% of $900 = 36

So the number of year should be

= [tex]900\div 36[/tex]

= 25 years

hence, The number of years that will it take for the value of the account to reach $1,800 should be 25 years.

Learn more about year here: https://brainly.com/question/16045495

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