Mr. Sanchez’s class sold fruit pies for $1.73 each and Mr. Kelly’s class sold bottles of fruit juice for $1.44 each. Together, the classes sold 83 items and earned $130.83 for their school. Write and solve a system of equations that models this problem.
Answers
The system of equation that models the problem is as follows;
x + y = 83
1.73x + 1.44y = 130.83
The number of fruit pies sold is 44 and the number of fruit juice sold is 39.
How to solve a system of equation that models a problem?
Mr Sanchez class sold fruit pies for $1.73 each and Mr Kelly's class sold bottles of fruit juice for $1.44 each.
Therefore,
let
x = number of fruit pies sold
y = number of fruit juice sold
Together, the class sold 83 items. Therefore,
x + y = 83
They sold a total of $130.83. Therefore,
1.73x + 1.44y = 130.83
x + y = 83
1.73x + 1.44y = 130.83
1.73x + 1.73x = 143.59
1.73x + 1.44y = 130.83
0.29x = 12.76
x = 12.76 / 0.29
x = 44
Therefore,
y = 83 - 44
y = 39
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Related Questions
What is the best way to describe the center of the data represented in this line plot?
Select from the drop-down menus to correctly complete the statement.
The Choose is Choose. your options are for the first one is Mean or Median then for the second one is 2 inches, 2.5 inches, 3 inches, or 3.2 inches
.
Answers
The best way to describe the center of the data represented in this line plot include the following: the median is 2.5 inches.
What is a median?In Mathematics, a median refers to the middle number (center) of a sorted data set, which is when the data set is either arranged in a descending order from the greatest to least or an ascending order the least to greatest.
Since the data set representing the amount of rainfall has an outlier, the median would be best way to describe the center of the data represented in this line plot.
First of all, we would sort the 10 observations from the least to greatest as follows:
1, 1, 2, 2, 2, 3, 3, 5, 6, 7
Median = (2 + 3)/2
Median = 5/2
Median = 2.5 inches.
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Marlo uses 252 lb of gravel to cover a garden plot of 36 ft2.
Answers
Answer: 7lb
Step-by-step explanation:
The amount of gravel required cover each square feet of the garden obtained by dividing the total amount of gravel used and the total area of the garden is 7 lb
Total area of garden = 36 ft²
Total amount of gravel used = 252 lb
The amount of gravel used to cover each ft² of the garden can be calculated thus :
(Total amount of gravel used) ÷ (Total area of garden)
252 ÷ 36 = 7 lb
Therefore, the amount of gravel required to cover each square feet of the garden is 7 lb
Answer:
See below
Step-by-step explanation:
D o you want pounds / sq foot ?
252 lbs / 36 ft^2 = 7 pounds per square foot
I NEED HELP ASAP NO LINKS PLEASE I WILL MARK YOU BRAINLIEST
IF YOU DO NOT KNOW THE ANSWER PLEASE DO NOT EVEN TYPE A SENTENCE UDEE THIS THREAD
Answers
Answer:
354.5
Step-by-step explanation:
The area of a circle is calculated as A = πr².
Answer:
358.36(rounded to nearest hundredth)
Step-by-step explanation:
area of sector =
[tex] \frac{120}{360} \times area \: of \: circle \\ = \frac{120}{360} \times (3.14 \times {18.4}^{2} ) \\ = 354.3594667 \\ = 354.36(nearest \: hundredth)[/tex]
What is the area of the figure?
A. 18 yd
B. 54 yd
C. 72 yd
D. 90 yd
Answers
I solved by multiplying 9 x 5 and 3 x 9 and adding them.
Hope this helps
Can someone help me? I'm pretty bad at math... But what is the number needed?
6 x ? x 3 = 90
Answers
solve system of equations can someone show step by step please
2x-6y=-12
x+2y=14
Answers
Answer:
x=6 y=4
Step-by-step explanation:
I hope this helps you and please mark me as brainlest!
If (x, 42) is a solution to the equation y = -6 (x – 15) – 3, find x
Answers
Put y and find x
y=-6(x-15)-342=-6(x-15)42+3=-6(x-15)45=-6x+90-6x=-45x=45/6x=15/2A sample of 36 people yielded the information about their health insurance in the table to the right.
Two people who provided information for the table were selected at random, without replacement. Find the probability that neither had traditional insurance.
Answers
The probability that neither of the two people selected have traditional insurance is 0.33.
What is the probability that neither had traditional insurance?Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.
The probability that neither of the two people selected have traditional insurance = (number of people that chose manage care plan + number of people who dont have any insurance) / total number of people surveryed x [(number of people that chose manage care plan + number of people who dont have any insurance) / total number of people surveryed - 1]
21/36 x 20/35 = 0.33
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Ama and Kwame shared an amount of money.
If Ama received one third of the money. Which
fraction is for Ama's share?
Answers
2/3
Or two thirds
Explanation:
1-1/3 is 2/3
Please mark brainliest.
For the point P(17,22) and Q(22,27), find the distance d(P,Q) and the coordinates of the midpoint M of the
segment PQ.
Answers
Step-by-step explanation:
[tex]x \: component = \frac{17 + 22}{2} \\ = 19.5 \\ y \: component = \frac{22 + 27}{2} \\ = 24.5 \\ (19.5...24.5)[/tex]
HELP PLEASE!!
Discuss the steps that you used
to create your tangent line.
What was the most important
step?
Give an example of tangents in
the real world that have not
been presented in this lesson.
Explain how you know the
tangent and the radius are
perpendicular.
Answers
Answer:
You need to have both the opposite and adjacent side of the right angled triangle. Tan = Opp/Adj
Step-by-step explanation:
Tangents are pretty much everywhere. A good example is maybe a slide at the playground. You’d need the tangent to figure out the angle of the slide and how it is.
The radius from the center of a circle to the point of tangency point shows that it would be perpendicular to the tangent line considering that anything with a radius is circular and the tangent line is… a line, making it impossible to be parallel.
After a successful fishing trip, Leo weighed his catch. He determined he caught a total 6.5 kilograms of fish. The recipe Leo wants to use to make fish stew lists their measurements in grams. Help Leo convert the weight of his fish from kilograms to grams.
Answers
Answer:
6 1/2 Grams
Step-by-step explanation:
Hope this helped!!
The weight of Leo's fish from kilograms to grams is 6500 grams
What is kilograms?Kilograms is the "SI unit of mass (equivalent to approximately 2.205 lb), first introduced as a unit of mass for the metric system".
According to the question,
Leo catch a total 6.5 kilograms of fish. He wants to convert kilograms into grams.
Formula to convert kilograms into grams 1 kilograms = 1000 grams
In order to find kilograms into grams only if multiply given kilogram into 1000.
6.5 × 1000 = 6500 grams
Hence, the weight of Leo's fish from kilograms into grams is 6500 grams.
Learn to more about Kilograms here
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£ 686 is shared out between David, Steve and Mike. Mike gets twice as much as Steve who gets twice as much as David. How much does Mike get?
Answers
Answer:
£ 392
Explanation
Factor the polynomial.
2x^3 + 4x^2 + 8x
A) 2x^3 + 4x^2 + 8x
B) 2x^2(x + 2x + 4)
C) x(2x^2 + 4x + 8)
D) 2x(x^2 + 2x + 4)
Answers
[tex] {2x}^{3} + 4 {x}^{2} + 8x \\ \\ 2x( {x}^{2} + 2x + 4)[/tex]
Hope it helpsRuby is painting her house. She uses 2 2/7 gallons of paint in the living room. To paint the kitchen, Ruby uses 5/8 of the amount of paint she uses in the living room. Which expression can be used to find the number of gallons of paint Ruby uses to paint the kitchen?
Answers
Answer:
ur momma
Step-by-step explanation:
yea so you take the 5/8 and the 2 and the 2/7 and you dd then subtract then divide
How many different ways can the letters of grade be arranged?
( I have to use permutation to solve please and thank you )
Answers
Explanation:
Assuming you want to arrange the letters of "grade", then we have 5 unique letters. That gives 5! = 5*4*3*2*1 = 120 different permutations. Order matters. The exclamation mark means factorial. It means we start at 5 and count our way down to 1, multiplying along the way.
In other words, we have 5 choices for the first slot, then 4 choices for the next slot, and so on. We count down because we cannot reuse any previously selected letter.
Alternatively, you can use the nPr permutation formula
[tex]_nP_r = \frac{n!}{(n-r)!}[/tex]
where n = 5 and r = 5 since we have 5 letters to pick from and 5 slots to fill.
Answer:
120 ways
Step-by-step explanation:
The given word is :
GRADEIt has five letters⇒ Any of the 5 letters can be in each place
⇒ 5! ways is the number
⇒ 5 x 4 x 3 x 2 x 1
⇒ 20 x 6
⇒ 120 ways
I need help finding the surface area of this shape
Answers
Answer:
1030 [tex]yd^{2}[/tex]
Step-by-step explanation:
split it into 2 different rectangular prisms
first one is 27 yd by 8 yd by 9 yd
second is 10yd by 8 yd by 12 yd
Answer:
1494 [yd²].
Step-by-step explanation:
1) the required area can be calculated as (see the attached picture):
A=A1+A2+A3+A4+A5+A6+2*A7;
2) finally,
A=9*8+17*8+8*12+10*8+(12+9)*8+27*8+2*(27*9+12*10);
A=1494 [yd²].
Note, the suggested solution is not the shortest one.
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find out the time at which the rocket will reach its max, to the nearest 100th of a second.
Answers
Answer:
x=5.09 seconds (times at max)
Step-by-step explanation:
Good people please don't leave me help!!!
Answers
Answer:
I hope it helped you
Step-by-step explanation:
Pls check the given attachment
I hope it helped you
Instructions: Drag the correct term for
this definition.
The perpendicular bisectors of the
sides of a triangle intersect in a
point that is equidistant from the
vertices.
Answers
Answer:
The three perpendicular bisectors of the sides of a triangle meet in a single point, called the circumcenter . A point where three or more lines intersect is called a point of concurrency. So, the circumcenter is the point of concurrency of perpendicular bisectors of a triangle.
If you can please give brainliest thank you <3
Step-by-step explanation:
Given the function f(x) = 4 - 2x, find f(3r - 1).
Answers
Answer:
6 - 6r
Step-by-step explanation:
we just plug in 3r - 1 instead of x
f(3r - 1) = 4 - 2(3r - 1)
= 4 - 6r + 2
= 6 - 6r
What is the range of the function graphed below?
Answers
A company paid $211.00 for an item. The original price was $299.20, but this was marked down 40%. If the operating expenses are 36% of the cost, find the operating loss and the absolute loss.
1. What is the operating loss?
2. What is the absolute loss?
Answers
Answer:
If the operating expenses are 36% of the cost, find the operating loss and the absolute loss.
1. An operating loss occurs when a company's operating expenses exceed gross profits (or revenues in the case of a service-oriented company.
2. Mean absolute error (MAE) is a loss function used for regression. The loss is the mean overseen data of the absolute differences between true and predicted values, or writing it a formula.
Step-by-step explanation:
I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER
Answers
Answer:
y = 8 , x = 15
Step-by-step explanation:
[tex]\frac{24}{51}= \frac{y}{17} \\[/tex]
Cross Multiply.
51 * y = 24 * 17
Then solve for y.
[tex]y=\frac{24*17}{51}[/tex]
y = 8
Same thing for the x.
[tex]\frac{45}{51}=\frac{x}{17}[/tex]
Cross Multiply.
51 * x = 45 * 17
Solve for x.
[tex]x=\frac{45*17}{51}[/tex]
x = 15
I’m really confused… feedback would be appreciated!
Answers
Answer: 13/34
Step-by-step explanation: In total there are 34 people
There are 13 professors and instructors.
That means that there is a 13/34 chance.
39 28. If y = (1 - 3x), find the value of dy! dx at x = -1.
Answers
Answer:
the answer to this question is 52.18
Decide whether it would be more convenient to solve the system of equations by substitution or elimination.
{−2x/3−15y=−6, 10x−6y=−4
Select the correct answer below:
elimination
substitution
Answers
Answer:
I would use elimination in this scenario. Because in both equations there is a coefficient on both variables, it would be difficult to isolate one variable and would leave the equation as a fraction. Instead, use elimination. Multiply the first equation by -15, which changes it to 10x + 225y = -90, and then subtract the second equation, thus cancelling out the 10x's and letting you solve for Y. Hope this helps!
The expression below is a sum of cubes.
125x^3 + 144
A. True
B. False
Answers
Answer:
False
Step-by-step explanation:
Hey there!
If this is a sum of cubes, this means that both numbers have whole numbers as the cube root of that number
The cube root of 125 is 5
But the cube root for 144 is a decimal meaning this is not a sum of cubes
HELP!! What is the surface area of this figure?
Answers
Answer:
448 is the answer
Step-by-step explanation:
If u need complete solution do let me know
Answer:
448 yd^2.
Step-by-step explanation:
The surface area consists of 3 rectangles and 2 congruent triangles
= 12*11 + 2 * 10*11 + 2 * 1/2 * 12*8
= 132 + 220 + 96
= 448 yd^2.
!!!!!!!!!!!!!!!!!!!!!
Answers
Answer:
I believe it would be 9.
Step-by-step explanation:
Finding Dialation: 16/12 = 1.3
Height: 16/1.3 = 12
Width: 12/1.3 = 9