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vitfil [10]
2 years ago
6

Nicole's birthday party will cost $72 if she invites 36 guests. If there are 79 guests, how much will Nicole's birthday party co

st? Assume the relationship is directly proportional.
Mathematics
2 answers:
-BARSIC- [3]2 years ago
8 0
$72 is to 36 as x is to 79

$72/ 36 = x/ 79

cross multiply 72 and 79 to get 5,688

then take the 5,688 and divide it by 36 to get an answer of 158


if there are 79 guests, nicole’s party will cost $158.
aleksandr82 [10.1K]2 years ago
7 0

Answer:

$158

Step-by-step explanation:

So 76/36=2

it will cost $2 per guest.

79*2=158

(if this is correct/helped you, please give brainliest, trying to get an achievement)

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Simplify the expression 120x^3/18xy
larisa86 [58]
120 / 18 = 20/3
x^3 / xy = x^2 / y

20x^2 / 3y
5 0
1 year ago
Write an equation of a line in point slope form that has a slope of -3 and passes through the point (3, -4).
Nesterboy [21]

1) Point-slope form

(y-y1)=m(x-x1)

m= - 3,

point (3,-4), so x1 = 3, y1 = - 4.

(y+4)= -3(x- 3)

2)Point-slope form

(y-y1)=m(x-x1)

m= - 3/4,

point (4,5), so x1 = 4, y1 = 5.

(y-5)= - 3/4(x-4)

6 0
3 years ago
F leonard bought 2 packs of batteries for x amount of dollars, how many packs of batteries could he purchase for $5.00 at the sa
Lemur [1.5K]
1.
The rate at which Leonard bought was 2 packs per x dollars, 

that is his buying rate was (2 packs)/(x dollars)=2/x (p/$)

2.

with 1 $ Leonard buys 2/x packs
then
with 5 $ Leonard buys (2/x)*5 = 10/x packs.

Answer: 10/x packs
5 0
3 years ago
Evaluate (1/3)(m) - 1 - (1/2)(n) m=21 and n=12
Aneli [31]

Answer:

the answer is 0

Step-by-step explanation:

(1/3)(21)-1-(1/2)(12)

The first thing you do is that you multiply 1/3 times 21/1 which equal 7 then you  multiply 1/2 times 12/1 which that equal 6 then you solve 7-1-6 and you get 6-6 which equal 0 i hope this help you and i hope you have a goood day.

8 0
3 years ago
To rent a certain meeting room, a college charges a reservation fee of $31 and an additional fee of $7.40 per hour. The chemistr
Mamont248 [21]
T= # of rental hours
Reservation Fee= $31
Per Hour Fee= $7.40


Multiply number of hours rented by the cost per hour, add that total to the reservation fee. The total needs to be less than $97.60.


Res Fee + ($ per hr * # hrs) < $97.60

$31 + $7.40t < $97.60
subtract 31 from both sides

7.40t < 66.60
divide both sides by 7.40

t < 9


ANSWER: To spend less than $97.60, they need to rent the room less than 9 hours.

Hope this helps! :)
7 0
3 years ago
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