In school ,there are 3 girls for every 2 boys . There are 650 students in total . How many students are girls ?

Answers

Answer 1

Answer:

Girls = 390

Step-by-step explanation:

Set up a proportion:

In a sample of 3:2, you have 5 kids in all.

So the the ratio of girls to kids in a sample of 5 is 2:5.

So set up a proportion:

(3/5) = (x/650)

5x = 650(3)

5x = 1950

x = 390

Answer 2

Answer:

390

Step-by-step explanation:

Let number of boys be b and girls be g. Then we have:

g/b = 3/2g + b = 650

From the first equation b is:

b = 2g/3

Substitute b in the second equation

g + 2g/3 = 6505g/3 = 650g = 650*3/5g =  390

Related Questions

Consider the function represented by the equation y-6x-9=0. Which answer shows the equation written in
function notation with x as the independent variable?
YUX) = 6x+9
10 = x+
10 = 6 +9

Answers

Answer:

F ( x ) = ( 6 x +9 )

Step-by-step explanation:

Change to slope-intercept form y = mx + b:

y - 6x - 9 = 0

y = 6x + 9

As function notation where x is the independent variable: f(x) = 6x + 9

Which gives the correct domain and range for the following relation: (-3, 2) , (0, 4) ,

(-3, 0) , (1, 4)


A. Domain: {-3, 0, 4}, Range: {2, 4}


B.

Domain: {-3, 0, 1}, Range: {0, 2, 4}


C.

Domain: {-3, 0, 4}, Range: {0, 2, 4}


D.

Domain: {-3, 0, 1}, Range: {2, 4}

Answers

The answer For this its B

9a4 + 12a²b2 + 464
Which of the following is equivalent to the
expression shown above?
4
A) (3a2 +2623
B) (3a + 2b)*
C) (9a+4622
D) (9a + 4b)4

Answers

Answer:

c

Step-by-step explanation:

use a proportion to find the missing side length in the following similar figures.

a. x= 4.5cm
b. x= 18cm
c. x= 8m
d. x= 2.25cm

Answers

d because i did this alreadyyy

What can you put between a 3 and a 4 so that the number is greater than 3, but less than 4?

Answers

3.1 , 3.2 , 3.3 , or more could possibly be your answer

write down 7 numbers that have a range of 10 and a mean of 12

Answers

Answer:

7 10 11 12 13 14 17

Step-by-step explanation:

this

is

the answer

7, 10, 11, 12, 13, 14, 17 are the 7 numbers  that have a range of 10 and a mean of 12.

What is Statistics?

Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.

The range of a list of numbers is the difference between the largest and smallest values of that list of numbers.

The mean is the sum of the observations  to the total number of observations.

The seven numbers are 7, 10, 11, 12, 13, 14, 17

Range =17-7=10

Mean=7+10+11+12+13+14+17/7

=84/7

=12

Hence,  7, 10, 11, 12, 13, 14, 17 are the 7 numbers  that have a range of 10 and a mean of 12.

To learn more on Statistics click:

https://brainly.com/question/29093686

#SPJ2

Find the distance between the two points in simplest radical form.
(-4,-3) and (5,9)
Anybody know anything bout Distance formula?and could maybe help with a couple questions please!

Answers

Step-by-step explanation:

Distance = √(5--4)^2 + (9--3)^2

= √ 9^2 + 12^2

√81 + 144 = √225=15

Answer:

15

Step-by-step explanation:

15

x+5/2=10 linear equations step by step explantion

Answers

See attachment for math work and answer.

During a promotional weekend, a state fair gives a free admission to every 179th person that enters the fair. On Saturday, there were 8,633 people attending the fair. On Sunday, there were 7,400 people attending the fair. How many people received a free admission over the two days?

Answers

Answer:

89

Step-by-step explanation:

Given that,

During a promotional weekend, a state fair gives a free admission to every 179th person that enters the fair.

No of people attending the fair on Saturday is 8,633 amd No of people attending the fair on Sunday is 7,400.

We need to find the no of people that received a free admission over the two days.

Dividing 8,633 by 179 gives 48 as quotient and 41 as remainder. It means on Saturday 48 people entered for free.

Dividing 7,400 by 179 gives 41 as quotient and 61 as remainder. It means on Sunday 41 people entered for free.

Total no of people,

T = 48 + 41

T = 89

Hence, there are 89 people for free entries.

SOMEONE HELP ME!!!
Find the distance between points P(7, 4) and Q(1, 2) to the nearest tenth.
What is the midpoint of PQ?

Answers

Answer: the distance between the points are -17

Use the relation 2x+y=10 to find the missing values.​

Answers

Answer:

x= 5 -y/2

y=10-2x

Step-by-step explanation:

solve for Y                solve for X        

2x + y= 10                   2x+ y=10              subtract y from each side

-2x        -2x                       -y=10 -y

       y=10-2x                    2x=10 -y

                                        2x/2=  10 -y/2  multiply both sides by 2

                                              x= 5 - y/2

Evaluate.



2⋅((42)−1)

Answers

Answer:

Hi there!

Your answer is:

Question was unclear! See below for answer possibilities!

Step-by-step explanation:

IF "-1" MEANS MULTIPLY BY NEGATIVE 1

2((42) -1 ))

2(-42)

-84

IF "-1" MEANS SUBTRACT 1

2((42)-1)

2(41)

82

Hope this helps

What is the difference between 5x +3 and 5(x+3)?

Answers

Step-by-step explanation:

for 5(x+3) you have to use the distributive property to find its standard form because it has parenthesis:

this would give you 5x+15 which is not the same as 5x+3.

The cost to rent a rug-cleaning machine from the supermarket is $23 per day. The supermarket charges a check-out fee of $45 for the rental. Tristanne spent $137 to rent the rug-cleaning machine. If d represents the number of days Tristanne rents the machine, which equation can be used to find the value of d?
23 d = 137
23 d + 45 = 137
45 d = 137
45 d + 23 = 137

Answers

Answer:

23d + 45 = 137

Explanation:

Since it is $23 per day, that dollar amount must be associated with a variable that multiples it per day that it is rented. Finally, you need to add the one time $45. This equation can then be used to find how many days it was rented for.

23d + 45 = 137

23d = 92 (Subtract 45 from both sides)

d = 4 (Divide by 23 on both sides)

The rug-cleaning machine was rented for 4 days. You found this using the equation: 23d + 45 = 137

Answer:

its b

Step-by-step explanation:

i got it correct edge2020

Find the value of p. p − 1 = 5 p + 3p − 8

Answers

Answer:

p = 1

Step-by-step explanation:

[add like terms]

p - 1 = 8 p - 8

[add 8 to both sides]

p + 7 = 8 p

[subtract p from both sides]

7 = 7 p

[divide each side by 7]

p = 1

Answer:

P=1

Step-by-step explanation:

collecting like terms we have

p - 5p - 3p = -8 + 1

-7p = -7

divide both sides by -7

p = 1

HURRY 50 POINTS!!!


Hernando ate of a pizza for a dinner. He gave his 6 friends the rest of the pizza and told them to share it equally
To determine the fraction of the whole pizza that each of his friends received Hernando performed the calculations
below
(6-5) 1
8
1
He concluded that each person received g of the whole pizza Are Hemando's calculations correct? Explain why or
Yes, they are correct. Hemando divided 6 by 6.
Yes, they are correct. Hernando divided by 6.
No, they are not correct. Hemando should have multiplied by 6. not divided by 6.
No they are not correct Hemando should have divided 8 by 6. not 6 by 6.

Answers

Answer:

Yes, they are correct. Hemando divided 6 by 6

Step-by-step explanation:

have a good day srry if its wrong:)

10 to power 7 decimal ​

Answers

Answer:

10 mil

Step-by-step explanation: 10x10x10x10x10x10x10= 10,000,000

If the number is expressed in words, first write it down as an ordinary decimal number and then convert. Thus, "ten million" becomes 10,000,000. There are seven zeros, so in powers of ten notation ten million is written 10^7

It costs twelve dollars to get in to the fair. Tickets for rides cost extra and are d dollars each
If Tyra buys 20 tickets, how much would it cost her for the fair?
20 d - $12
$12 d + 20
$12-20 d
$12 + 20 d

Answers

Answer is d. $12+20d

Answer:

$12 + 20d

Step-by-step explanation:

What is the answer? Please explain how to answer it too.

Answers

Answer:

x=15

Step-by-step explanation:

8x=120

8x/8=120/8

x=15

Maxine bought 3 bags of oranges and a bag of apples. The bag of apples cost $4. Brody bought 2 bags of oranges and a cake. The cake cost $9. Maxine and Brody spend the same amount of money on their shopping trips. Which equation represents the cost of each bag of oranges (c)?

Answers

Answer:$4.30, if your rounding but if not $4.33

Step-by-step explanation:

Write an equation to represent each statement
I
1. The product of 3 and a number increased by six is 24.1

Answers

Answer:

3x + 6 = 24.1

Step-by-step explanation:

The product of 3 and a number (x) increased (adding) by 6 is 24.1 (the result).

what is 2 1/2 ÷ 1/3​

Answers

Answer:

15/2

or 7.5

or 7 1/2

Step-by-step explanation:

Dividing two fractions is the same as multiplying the first fraction by the reciprocal of the second fraction. The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators.

Answer:

Exact Form:

15/2

Decimal Form:

7.5

Simplified:

7 1/2

Step-by-step explanation:

Plz Help :/ and Thank you...

Answers

banana good for you

(i made this in 3d paint btw)

Answer:

25c = t ??

Step-by-step explanation:

What does an expression never have.
A.variables
B.numbers
C.equals sign

Answers

Answer:

C

Step-by-step explanation:

An Expression has no equal sign, because it is not complete. Yet an equation does.

last question please helpp me:))))

Answers

Answer:

blue

Step-by-step explanation:

blue

Answer:

Step-by-step explanation:

The measure of two angles are (5x + 24)° and (9x - 17)°. What is the value of x if these angles are congruent?

Answers

-5 if x = -4
11 if x = 4

Answer:

the answer is 10.25

Step-by-step explanation:

help for this qestion and extra point

Answers

Answer:

12.15

Step-by-step explanation:

12.15 is the answer

Just question on plz. Major points and will give brainliest.

Answers

Answer:

56.94 is the answer to number one

Step-by-step explanation:

The answer is 56.94 I believe

Someone plz help me I’ll give branliest!!

Answers

Answer:  B) -2

The vertex of the parabola shown is (4, -2)

In general, the vertex is (h,k)

So (h,k) = (4,-2) meaning h = 4 and k = -2

The equation of this parabola is y = (x-4)^2 - 2

Answer:

-2 is the correct option you're looking for.

Ben and his friends are having a tv marathon, and after 4 hours they have finished 5 episodes of the show. About how long will it take them to complete the show, which has 24 episodes.

Answers

Answer:

episodes

Step-by-step explanation:

you have finished 20 episodes in 16 hours and 25 episodes in 20 hours, so if the answer is a whole number, it will take a bit under 20, so 19 hours!

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