At the baseball game last weekend, the Smith, Jones, and Garcia families each bought snacks from the concession stand. The Smith family purchased 3 hot dogs, 1 drinks, and 4 pretzels for $19.50. The Jones family spent $10.00 on 2 hot dogs, 2 drinks, and a pretzel. The Garcia family bought 3 hot dogs, 2 drinks, and 2 pretzels for $15.

What is the cost of a drink?

Answers

Answer 1

Answer:

The cost of a drink is $1.5

Step-by-step explanation:

Let x be the cost of 1 hot dog , y be the cost of 1 drink and z be the cost of 1 pretzel

We are given that The Smith family purchased 3 hot dogs, 1 drinks, and 4 pretzels for $19.50.

So, 3x+y+4z=19.50 ---1

We are also given that The Garcia family bought 3 hot dogs, 2 drinks, and 2 pretzels for $15.

So, 3x+2y+2z=15 ---2

We are also given that The Jones family spent $10.00 on 2 hot dogs, 2 drinks, and a pretzel.

2x+2y+z=10 ---3

Substitute the value of y from 1 in 2 and 3

3x+2(19.50-3x-4z)+2z=15  and 2x+2(19.50-3x-4z)+z=10

-3x-6z+24=0----4 and -4x-7z+29=0 ---- 5

Substitute the value z from 4 in 5

[tex]-4x-7(\frac{-24+3x}{-6})+29=0[/tex]

x=2

Substitute the value of x in 4

-3(2)-6z+24=0

z=3

Substitute the value of x and z in 1

3(2)+y+4(3)=19.50

y=1.5

Hence the cost of a drink is $1.5


Related Questions

13 percent of students are girls and 25 percent are boys how many students are there all ?

Answers

Answer:

0

Step-by-step explanation:

Jack's father is three times older than Jack. Five years ago, the sum of their ages was 34. How old is Jack's father now?.

Answers

Jacks father is 3x older than jack, 5 years ago the sum was 34

Jack = 3 x j = 3j

J is 11 years old

How do you work out the probability

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Everybody has to be there at school

The polynomial 3x2 – 10x 8 has a factor of 3x – 4. what is the other factor of 3x2 – 10x 8?

Answers

The other factor of the polynomial [tex]\rm 3x^2-10x+8[/tex] is ( x - 2 )

It is given that the polynomial [tex]\rm 3x^2-10x+8[/tex] has a factor of  [tex]\rm (3x-4)[/tex].

It is required to find the other factor.

What is Polynomial?

Polynomial is the combination of variables and constants in a systematic manner with "n" number of power in ascending or descending order.

We have polynomial:

[tex]\rm = 3x^2-10x+8[/tex]

Now by using the factorization method:

[tex]\rm = 3x^2-10x+8\\\rm = 3x^2-6x-4x+8\\\rm =3x(x-2)-4(x-2)\\\rm = (x-2)(3x-4)[/tex]

Thus, the other factor of a given polynomial is ( x-2 )

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The L.C.M of 15 and 25 is what? ​

Answers

Answer:

75 is the l.c.m of 15 and 25

explanation:

multiples:

15 - 15, 30, 45, 60, 75

25 - 25, 50, 75

Therefore, 75 is the l.c.m of 15 and 25 which is divisible by both numbers.

Answer:

75

Step-by-step explanation:

Prime factorization

15 = 5 x 3

25 = 5²

LCM (15, 25) = 5² x 3

= 25 x 3

= 75

A fair six-sided die is rolled and then a coin is flipped twice.
Calculate the probability of getting a 2 on the die followed by two heads from the
coin.
Give your answer as a fraction in its simplest form.

Answers

Answer:

1/24

Step-by-step explanation:

First, we need to create a sample space to list the possible outcomes.

S = {1HH, 1HT, 1TH, 1TT, 2HH, 2HT, 2TH, 2TT, 3HH, 3HT, 3TH, 3TT, 4HH, 4HT, 4TH, 4TT, 5HH, 5HT, 5TH, 5TT, 6HH, 6HT, 6TH, 6TT}

No. of total outcomes = 4 x 6 = 24 outcomesOnly one outcome has getting a 2 on the die followed by two heads on the coinP(2 on die, then two heads) = 1/24

Solution :-

1/24

13 men can weave 117 baskets in a week how many men will need to be 189 baskets in 3days​

Answers

Answer:

49 men will be required to weave 189 baskets in 3 days.

Answer:

49 men required

Step-by-step explanation:

I need help with number 3

Answers

Answer:

a) 8 apples

b) 5 oranges

c) 2 oranges and 6 apples

Step-by-step explanation:

a) 8 apples × 1$ = 8$ < 10$

b) 5 oranges × 2$ = 10$

c) 2 oranges × 2$ = 4$

6 apples × 1$ = 6$ (4+6=10)

Answer:

(4 apples, 4 oranges)(4 apples, 3 oranges)(6 apples, 2 oranges)

Step-by-step explanation:

The problem scenario gives rise to two equations. One describes the total number of fruit. It is plotted in blue. The other describes the total cost. It is plotted in red.

a)

The total number of fruit will be 8 at any blue dot. (It will not cost $10 if that dot is not also red.) One such total is (4 apples, 4 oranges)

__

b)

The total cost will be $10 at any red dot. (The fruit count will not be 8 if that dot is not also blue.) One such cost is (4 apples, 3 oranges)

__

c)

The cost for 8 pieces of fruit will be $10 where the blue and red dots are plotted at the same point: (6 apples, 2 oranges)

Caleb has a bag that contains orange chews, cherry chews, and peach chews. He performs an experiment. Caleb randomly removes a chew from the bag, records the result, and returns the chew to the bag. Caleb performs the experiment 20 times. The results are shown below: An orange chew was selected 15 times. A cherry chew was selected 3 times. A peach chew was selected 2 times. Based on these results, express the probability that the next chew Caleb removes from the bag will be cherry chew as a decimal to the nearest hundredth.

Answers

Answer:

0.15

Step-by-step explanation:

3/20= 0.15

15/100= 0.15

100 BRAINLY POINTS!!!

The harvest results of a farm are shown in the graph below.


Which equation best models the relationship between the amount of compost used, x, and the harvest yield, y ?

A. y = x

B. y = 200x

C. y = x + 200

D. y = 200x + 200

EXPLAIN YOUR ANSWER
SHOW YOUR WORK

Answers

Note:-

Graph must not be drawn to scale so taken imaginary coordinates most near to accurate

So the cordinates are

(0,200)(200,400)(400,600)(600,800)

Mark the change between x and y

400+200=600200+200=4000+200=200

So

the relationship is

y=200+x

Option C

Answer:

C.  [tex]y=x+200[/tex]

Step-by-step explanation:

Line of best fit (trendline) : a line through a scatter plot of data points that best expresses the relationship between those points.

All the given options for the line of best fit are linear equations.

Therefore, we can add the line of best fit to the graph (see attached), remembering to have roughly the same number of points above as below the line.

Linear equation:  [tex]y=mx+b[/tex]

(where [tex]m[/tex] is the slope and [tex]b[/tex] is the y-intercept)

From inspection of the line of best fit, we can see that the y-intercept (where x = 0) is approximately 200.  So this suggests that either option C or option D is the solution.

We can also see that slope (gradient) is approximately 1, as for every +100 increase in x, y increases by +100.

[tex]\textsf{slope = rate of change}=\sf\dfrac{change \ in \ y}{change \ in \ x}=\dfrac{100}{100}=1[/tex]

Therefore, this suggests that C is the solution and that the closest approximation to the line of best fit is [tex]y=x+200[/tex]

Does anyone know the answers to these riddles?

Answers

Answer:

1. Something along they will cheetah (kind of like they will cheat)

2. Because it was a boxer

Answer:

1. They might be cheetahs!

2.Becasue it was a boxer!

Step-by-step explanation:

Hope this helps!

Brainliest is appreciated!

Have a great day!

~Mitsuna

what is the length of PQ round to the nearest tenth of a unit p(-6 , 2) (-7 ,4)

Answers

Answer:

-73

please keeps as Brainly list

Answer:

≈ 2.2 units

Step-by-step explanation:

Calculate the distance d using the distance formula

d = [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }[/tex]

with (x₁, y₁ ) = (- 6, 2) and (x₂, y₂ ) = (- 7, 4)

d = [tex]\sqrt{(-7+6)^2+(4-2)^2}[/tex]

   = [tex]\sqrt{(-1)^2+2^2}[/tex]

   = [tex]\sqrt{1+4}[/tex]

    = [tex]\sqrt{5}[/tex] ≈ 2.2 ( to the nearest tenth )

If the graph of f(x)=x2, how will the graph be affected if the coefficient of x2 is changed to 3?

Answers

Answer:

435

Step-by-step explanation:

Transformations are used to change the orientation of a function to a new function. The graph of [tex]f(x) = x^2[/tex] will have its parabola widened when it changes to [tex]g(x) = 3x^2[/tex]

Given that

[tex]f(x) = x^2[/tex]

If the new function is:

[tex]g(x) = 3x^2[/tex]

It means that f(x) has been vertically translated by a scale factor of 3.

The graph will be affected such that the parabola of [tex]f(x) = x^2[/tex] will become widen when the coefficient changes to 3 i.e. [tex]g(x) = 3x^2[/tex].

See attachment for the graph of f(x) and g(x)

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help asap!! just need it checked!

Answers

Answer:

Step-by-step explanation:

correct-

Answer:

It's wrong the first answer is correct

What is the equation in slope-intercept form of a line with
3
slope - and y-intercept –7?
3
y7
O A) y=xx+7
OB) v=xx-7
OC) y=x+7
)
X
2.
y
OD) y=-X-7

Answers

Answer:

B

Step-by-step explanation:

Just did the test. Wish you luck!!

The equation of line is y = ( 3/2 )x - 7 , where the slope is m = 3/2

What is an Equation of a line?

The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

And y - y₁ = m ( x - x₁ )

y = y-coordinate of second point

y₁ = y-coordinate of point one

m = slope

x = x-coordinate of second point

x₁ = x-coordinate of point one

The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Given data ,

Let the equation of line be represented as A

Now , the value of A is

Now , the slope of the line is m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Substituting the values in the equation , we get

Slope m = 3/2

The y-intercept is b = -7

And , equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

So , y = ( 3/2 )x - 7

Hence , the equation of line is y = ( 3/2 )x - 7

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Lesson 1 starts at 8:35 and each lesson lasts 60 minutes. There are 4 lessons and there is a 15 minute break between lesson 2 and 3

Answers

1250
Is the answer I think

CAN ANYONE ANSWER MY QUESTION ASAP The diameter of a cylinder is 5 yd. The height is 4 yd. Find the VOLUME of the cylinder

Answers

Answer:

78.54 (rounded to 2 d.p)

Step-by-step explanation:

The formula for the volume of cylinder is πr(squared)h

Radius is half of the diameter so 5/2 = 2.5

The height is 4

Therefore,

π x 2.5 x 4 = 78.53982

How can you show that 20% of $165.00 is $33.00?

Can someone help me please thanks

Answers

Answer:

True

Step-by-step explanation:

0.20*165=33

Answer:

With the definition of percentage. 20% of something means multiplying it by 20 and then dividing the result by 100. In our case, [tex]165.00 \times 20 \div 100 = 33.00[/tex]

Alternatively, convert it into a fraction. 20 is 1/5 of 100 (alternatively, you need to pick 20 five times to get 100), and then you just multiply

[tex]165.00 \times \frac15 = 33.00[/tex]

is (5,9) a solution to y=3x-6? Explain or show how you know.

Answers

Answer:

Yes

Step-by-step explanation:

Plug in the coordinate (5,9) into the equation

9=3(5)-6

9=15-6

9=9

The y-intercept is when the line
crosses the y-axis, so when X
=
Oy = 3(0) + 6 = 6,

What is the y-intercept of 5x+4y=−40 ?
A.(8,−10)
B.(0,−10)
C.(0,8)
D.(−10,0)

Answers

Answer:

B

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

5x + 4y = - 40 ( subtract 5x from both sides )

4y = - 5x - 40 ( divide all terms by 4 )

y = - [tex]\frac{5}{4}[/tex] x - 10 ← in slope- intercept form

with y- intercept c = - 10 ⇒ (0, - 10 ) → B

Step-by-step explanation:

To find the y intercept of the line we must first write the equation in standard form which is

y = mx + c

where

m is the slope

c is the y intercept

So we have

5x + 4y = - 40

4y = -5x - 40

Divide both sides by 4

We have the equation as

[tex]y = - \frac{5}{4} x - 10[/tex]

From the question the y intercept is - 10

We have the final answer as

( 0 , - 10)

Hope this helps you

como resuelvo (×-8)(×+8​

Answers

Answer:

The answer is zero(0) because x is the same and -8 + 8 would equal 0

Step-by-step explanation:

A box contains:

3 red crayons
7 blue crayons
4 yellow crayons
8 green crayons
2 black crayons
1 orange crayon
A crayon is chosen at random and replaced 50 times. What is a reasonable prediction for the number of times a blue or orange crayon will be drawn?

Answers

Answer:

16 times

Step-by-step explanation:

We first have to find the total amount of crayons:

[tex]3+7+4+8+2+1=25[/tex]

That means that the box contains a total of 25 crayons. Of those 25 crayons, 7 are blue and 1 is orange. That means every time one crayon is chosen from the box, there is an 8 in 25 chance it will be blue or orange. We can represent that chance as a fraction: [tex]\frac{8}{25}[/tex]

That [tex]\frac{8}{25}[/tex] chance occurs each time ONE crayon is chosen, so if we want to know how many times blue or orange will be chosen after 50 times, we can multiply that chance by 50.

[tex]\frac{8}{25}*50=400/25[/tex]

Then you simplify the fraction:

[tex]\frac{400}{25}=16[/tex]

That means that if you pull crayons from the box 50 times, a blue or orange crayon will be likely drawn around 16 times.

how many burgers can make from 1 billion cows ?

Answers

That is not enough info: to answer the question u will need the weight
If the cows weigh 50.0 pounds then 59 burgers per cow

Answer:

1.186836*10^12 burger

Step-by-step explanation:

first, there is not even 1billion cows on earth, according to statista.com, there are 989.03 million billion cows on earth in 2019. according to the genus on the quora, you can make 1200 burger from 1 cow, so 989,030,000*1200

sign, 1.186836e+12.

As shown in the figure below, Amanda is looking at a tree that is leaning at an angle of 79° with respect to the ground. The angle of elevation from where
Amanda is standing to the top of the tree is 43°. The length of the tree is 66 feet. Find the distance, x, from Amanda to the base of the tree. Round your answer
to the nearest tenth of a foot.
661
feet
х
x
5
2
?

Answers

Answer:

3 plus 2 is 5

Step-by-step explanation:

the f tear is known to you

What is the slope of the line that passes through the points (–1, 3) and (5, 7)?

Answers

Answer:

6/4 or 1.5

Step-by-step explanation:

FREE BRAINLIEST
Write the inequality that matches the situation. Amanda rented a bike from Shawna's Bikes. They charge $2 per hour, plus a $10 fee. Amanda paid less than $27.

Answers

Here is the answer ......

The acceleration of a Maserati (sports car) is proportional to the difference between 250 km/h and its velocity. If the car can accelerate from rest to 100 km/h in 10 s, how long will it take for the car to accelerate from rest to 200 km/h?

Answers

Answer:

a) The differential equation for the velocity is given by

(dv/dt) = k(250 - v)

b) v(t) = 250 - e⁽⁵•⁵² ⁻ ᵏᵗ⁾

With units of km/h

Step-by-step explanation:

Acceleration, a ∝ (250 - v)

But acceleration is widely given as dv/dt

(dv/dt) ∝ (250 - v)

(dv/dt) = k(250 - v)

where k = constant of proportionality

(dv/dt) = k(250 - v)

b) (dv/dt) = k(250 - v)

dv/(250 - v) = k dt

∫ dv/(250 - v) = ∫ k dt

- In (250 - v) = kt + c (where c is the constant of integration)

v(0) = 0; meaning, at t = 0, v = 0

- In 250 = 0 + C

c = - In 250 = - 5.52

- In (250 - v) = kt - 5.52

In (250 - v) = 5.52 - kt

250 - v = e⁽⁵•⁵² ⁻ ᵏᵗ⁾

v = 250 - e⁽⁵•⁵² ⁻ ᵏᵗ⁾

With units of km/h

i hope this work for you

and sory if im wrang

72.7/30 simplified
And 42.7/30 simplified

Answers

For 72.7/30 is 2.009 or 2 0.9/10
For 42.7/39 is 2 1.7/30

Answer:

(1.)2.423

(2.) 1.423

Step-by-step explanation:

If AB = 10 and B lies at -6, where could A be located?

Answers

Answer:

26

Step-by-step explanation:

AB to B is 16 units, so it's reasonable to assume that A to AB is 16 units as well.

IMPORTANT!
I will mark brainliest to first answer if it’s right.
I set the point value to 40!!!

Answers

Answer:

m = 5

p = 10

Step-by-step explanation:

Part A

The dashes on the lines mean that the lines are equal in length.

Therefore, IJ = IH and HK = KJ

So as IJ = IH

⇒ 10 = 2m

⇒ m = 10 ÷ 2

m = 5

Part B

The line IK is the bisector of angle I since IJ = IH and HK = KJ

Therefore, 2p - 5 = p + 5

subtract p from both sides:

⇒ 2p - 5 - p = p + 5 - p

⇒ p - 5 = 5

Add 5 to both sides:

⇒ p - 5 + 5 = 5 + 5

p = 10

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