Brianna went into a bakery and bought 2 cookies and 3 brownies, costing a total of $9.50. Nevaeh went into the same bakery and bought 10 cookies and 6 brownies, costing a total of $20.50. Write a system of equations that could be used to determine the price of each cookie and the price of each brownie. Define the variables that you use to write the system.

Answers

Answer 1

Answer:

Step-by-step explanation:

c=cookies

b=brownies

2c+3b=9.50 > Briana

10c+6b=20.50 > Nevaeh


Related Questions

Last month we had twelve days of either corn or carrots in the cafeteria for lunch. There were six more days of corn than carrots. How many days did we have corn?


A. 3 days
B. 6 days
C. 9 days
D. 12 days

Answers

x = carrots
x + 6 = corn
x + x + 6 = 12
2x = 6, x = 3
3 + 6 = 9
Solution: C. 9 days

Pllzzzz help it’s an exam !!!! A side of the triangle below has been extended to form an exterior angle of 125 . Find the value of x

Answers

Answer:35

Step-by-step explanation:

take 180 and subtract those numbers and u get ur answer

nk + x = 10 solve for n

Answers

Answer:

n=10/k - x/k

Step-by-step explanation:

Hope this helps

Answer:

n = (10 - x) / k

Step-by-step explanation:

nk + x = 10

nk = 10 - x

n = (10 - x) / k

solve for x !!!!!!!!

Answers

Answer:  x = 12

=====================================================

Work Shown:

I'm assuming the diagram shows that interior angles F and G are 24 and 12+5x respectively.

We can use the remote interior angle theorem to get:

(interior angle F)+(interior angle G) = exterior angle FEH

(24) + (12+5x) = 8x

5x+36 = 8x

36 = 8x-5x

36 = 3x

3x = 36

x = 36/3

x = 12

What is f(3) if f(x) = 2x + 1?

Answers

Plug in 3 for x
f(3) = 2(3) + 1
f(3) = 6 + 1
Solution is 7

Answer:

f(3) = 7

Step-by-step explanation:

To evaluate f(3), substitute x = 3 into f(x), that is

f(3) = 2(3) + 1 = 6 + 1 = 7

The relationship between two numbers is described below, where x represents the first number and y represents the second number.
The square of the first number is equal to the sum of the second number and 16. The difference of 4 times the second number and 1 is equal to
the first number multiplied by 7.
Select the equations that form the system that models this situation. Then, select the solution(s) of the system.

Answers

X=y+16

4y-1=7

Solve on both sides

4y=8

Y=8/2

Y=4

X= (4)+16

X=20

Answer this please, will give 100 points.

Answers

Answer:

y=x doesent that mean 2=3 so what you do is the line that goes up thats y and the one that goes sideways thats x so at the to go to 2 then at the side go to 3

Answer:

Step-by-step explanation:

y=x doesent that mean 2=3

PLEASE ANSWER ASAP!!! 45 POINTS!

Answers

Answer:

x =2 [tex]\\\sqrt{24[/tex]

Step-by-step explanation:

a2+b2=c2

(10*10)+(8*8)=x

Write an inequality. Then solve.
9. Two less than a number is less than 9.

Answers

Answer:

n-2<9

Step-by-step explanation:

9+2=11. n<11

please help! im very confused

Answers

Answer: 3d+1

Explanation: do 4d-d which equals 3D then 9-8 which equals 1. So 3D+1

Answer:

3d+1=[]

Step-by-step explanation:

first collect the like terms ie 4d-d+9-8

giving you 3d+1

A recipe needs two and one sixth cups of walnuts and eight and one eighth cups of peanuts. How many cups of 14 or 48 as the domenater nuts are needed for the recipe in all? Please answer!!! It has to have 14 or 48 as the domentater

Answers

Answer:

[tex]10\frac{14}{48}[/tex]

Step-by-step explanation:

given data:

recipe = two and one sixth cups of walnuts [tex]2\frac{1}{6}[/tex]

and eight and one eighth cups of peanuts [tex]8\frac{1}{8}[/tex]

solution:

[tex]= 2\frac{1}{6} + 8\frac{1}{8}\\\\= 10 (\frac{1}{6} + \frac{1}{8} )\\[/tex]

[tex]= 10\frac{7}{24}\\or\\= 10\frac{14}{48}[/tex]

a movie starts at 3:30 pm. if the movie is 2 hrs and 10 mins long, what time will it be over ?

Answers

the movie will be over at 5:40

Find the equation of the line shown below.

A. y = –0.2x + 2

B. y = –5x + 2

C. y = 0.2x + 5

D. y = 5x + 2

Answers

Answer:

y= -0.2x+2

Step-by-step explanation:

I'm may be wrong but if you graph it I used desmos

that's the only one that matches

PLEASE SOMEONE HELP MEEE

Answers

Answer:

Alternate interior angle

Step-by-step explanation:

Hope this helps.

Answer:

your answer is A ....

PLEASE HELP ASAP!!!!

Answers

Answer:

third option

Step-by-step explanation:

There is a common difference d between consecutive terms in the sequence, that is

d = - 13 - (- 10) = - 16 - (- 13) = - 3

This indicates the sequence is arithmetic with n th term

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 10 and d = - 3, then

[tex]a_{n}[/tex] = - 10 - 3(n - 1) = - 10 - 3n + 3 = - 7 - 3n

Thus the sum of the first 6 terms is represented by

∑ - 7 - 3n ( for n = 1 to 6 )

Factor the following expression: x^2+3x

Answers

X(x+3)

I haven’t done this but hope this works

PLS HELP BRAINLIEST !!!Which of the following represents a perfect square trinomial?

A- x^2-2x+4
B- x^2-4x+4
C- x^2-4x-4
D- x^2-2x-4

Answers

Step-by-step explanation:

(A) is the right answer

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

40 POINTS! ASAP!
The second page is answers to choose from.

Answers

Answer:

x=3 ; y=square root of 3

Step-by-step explanation:

Answer:  The First Choice at the Top

Step-by-step explanation:

Why? Because if  x,y, and [tex]\sqrt[]{3}[/tex] are the three lines with a 30 Degree angle, the best guess would be the First Choice if x is [tex]\sqrt[]{3}[/tex] and Y is 3.

If 12 containers of hand sanitizer cost $30.00, what is the constant of proportionality?

Answers

Answer:

2.50

Step-by-step explanation:

You have to divide money by units

A cook uses
5 parts of vinegar for every 8
parts of olive oil in a salad dressing recipe. Which statement is true?

The cook should use
3/5 tablespoon of vinegar for every tablespoon of olive oil.

The cook should use
5/8 cup of olive oil for every cup of vinegar.


The cook should use
1 3/5
cups of olive oil for every cup of vinegar.

The cook should use
1 3/5
tablespoons of vinegar for every tablespoon of olive oil.

Answers

Answer:

123

Step-by-step explanation:

Because of the 1 carrying to the 2 eating the 2 to the 3

Answer: 1 3/5

Step-by-step explanation:

15x+10y>180

please solve

Answers

Answer:

x>12-(2y)/(3)

y>18-(3x)/(2)

Step-by-step explanation:

Answer:

The solution is:

x = 5

y = 11

Step-by-step explanation:

15x+10y>180

Since I know 15 + 10 = 25, I subtracted 25 from 180.

180 - 25 = 155

Therefore, we know that x and y multiplied by 15 and 10 must equal anything more than 180. Therefore, there are a variety of solutions. However, this is the one that I chose.

15(5)+10(11)>180

75+110>180

185>180 <----- This is a true statement.

Hope this helps! :D

4
Erin says. "There are 30 boys in my sports club (to the nearest 10) and 20 girls (to the
nearest 10), so there must be 50 pupils to the nearest 10"
Is she right or wrong?
You must show working to explain your answer.

Answers

she is right.
30+20=50. they’re estimating so it will not be far off.

a scientist is running a simulation of a hypothetical city since she wants to explore its environmental impact over time the city's population is increasing 15 percent every year and there are currently 57,000 people what will the population be in 12 years?

Answers

I have no clue if this is correct but the answer I got was 10,260,000

Answer:

203,549 !!!

Step-by-step explanation:

A matchbox holds 48 matches.how many matches are needed to hold 1104 matches?​

Answers

Answer:

23 matchboxes

Step-by-step explanation:

I think you mean "how many boxes are needed to hold 1104 matches?"

This is a division problem.

1104/48 = 23

Answer: 23 matchboxes

a plumber charges a flat fee of $79 to visit a home and examine a clogged drain the plumber charges an additional $24 per hour spent fixing the drain. the total cost C in dollars for fixing to dream that takes H hours is given by the following :
C=24h + 79

question 1 ? what is the total cost for fixing a drain that takes 5 hours ?

question 2? if the plumber charged a total of $343 how many hours did he spend fixing to drain ?​

Answers

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

SOMEONE PLS SOLVE THIS ASAP

Answers

Answer:

Step-by-step explanation:

(-3)^2 +4(-3)(5)

9+(-60) or 9-60

The answer is -51

This is the second time I put this, PLEASE ANSWER!!!
Subtract.
7h 15min 12s
2h 03min 46s

OPTIONS:
5 hours, 11 minutes, 26 seconds
5 hours, 11 minutes, 34 seconds
5 hours, 12 minutes, 26 seconds
5 hours, 12 minutes, 34 seconds

Answers

Answer:

5h 11m 26sec

Step-by-step explanation:

7h 15m 12 sec

2h 03m 46 sec

-----------------------

5h 11m 26sec

Answer:

7h 15m 12s

-2h 03m 46s

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

5h 11m 46s

Step-by-step explanation:

Write a piecewise function for the graph.

Please help!

Answers

Answer:

f(x)= 4x+3, if x<-1

f(x)= -x, if x[tex]\geq[/tex]-1

Step-by-step explanation:

I hope this helps!!

What is the answer.........

Answers

Answer:

1 is correct

2 is correct

3 is incorrect

4 is incorrect

5 is correct

Step-by-step explanation:

1 is correct because the statue lies the same distance from both entrances.

2 is correct because B is also the same distance from both entrances.

3 is the opposite of 2, saying that B is not equal distance from both entrances, making it false.

4 is incorrect because a is closer to the upper entrance.

5 is correct because it is basically the same question as 2, saying b is the same distance from both entrances.

SOMEONE PLEASE HELP ME ASAP , ILL PAY JUST HURRY PLEASE

Answers

Answer:

pay me first

Step-by-step explanation:

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