Dobra has 20 birr to Spenclon juice boxes for her son's preschool picnic. Each pack of juice boxes Corts 2.50- what is the maxiumum a numbers of packs she can buy

Answers

Answer 1

Using simple unitary method and with the total and per unit value provided, The answer is 8 boxes maximum can be bought.

What is unitary method?

The unitary method is a method used in mathematics to solve problems involving units of measurement. It involves expressing the units of measurement as a fraction or multiple of a single unit and then using this fraction or multiple to solve the problem. The method is particularly useful in solving problems involving conversions between different units of measurement. The unitary method is particularly useful in solving word problems where the conversion of units is required. It involves expressing the given information in terms of a single unit and then using that information to find the unknown quantity.

Why is unitary method important?

The unitary method is a useful tool for solving problems involving units of measurement, it simplifies the problem and improves understanding of conversions. It also helps to develop critical thinking skills and is a useful tool for problem-solving in a variety of subjects.

each box costs  = 2.5

total money =20

maximum that can be bought = 20/2.5 =8

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Related Questions

1. What is a stock? a. A bank account b. A type of bank c. Shares that are given to only rich people who own companies d. Shares people buy and it gives them a small ownership of that company

Answers

Answer:

D

Step-by-step explanation:

Stocks represent ownership in companies. Anyone can purchase publicly traded stock shares.

There are 20 gloves in a drawer: 5 pairs of black gloves, 3 pairs of brown,
and 2 pairs of gray. You select the gloves in the dark and can check them
only after a selection has been made. What is the smallest number of gloves
you need to select to guarantee getting the following?
(a) At least one matching pair
(b) At least one matching pair of each color

Answers

The number of gloves selected for each cases is 11 and 19 gloves respectively.

How is selection done?

In mathematics, most of the times selection is done using permutation and combination.

Putting things or numbers in order is known as a permutation.

Combinations are a means to choose items or numbers from a collection of items or groups of items without regard to their order.

Given,

       Total black gloves = 5 left hand+ 5 right hand

       Total brown gloves = 3 left hand + 3 right hand

        Total gray gloves = 2 left hand + 2 right hand

Now to find the least number of gloves for the given conditions, we start with the worst condition.

a) To get at least one matching pair, we first consider no matching pair, which is (5 +3+2) gloves of only left only or right only hand of each colour.

Now to make one pair, we need to select only one glove of the opposite hand of any colour.

Therefore to get atleast one matching pair, smallest number of gloves to be selected = 5 + 3 + 2 + 1 = 11 gloves

b) In this case also we start with worst case.

   For no matching pair of each colour we have to take 10 black gloves, 6 brown gloves and  2 gray gloves of any one hand.

Therefore to get matching pair of each colour, we have to take one more gray glove.

Therefore to get atleast one matching pair of each colour, smallest number of gloves to be selected = 10 + 6 + 2 + 1 = 19 gloves.

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Mona's math certificate is 10 inches tall and 14 inches wide. Mona wants to put the certificate in a fancy frame that costs $1.02 per inch. How much will it cost to frame Mona's math certificate?

Answers

Answer:

$48.96

Step-by-step explanation:

Given data

Length= 10inches

Width=14 inches

Let us find the perimeter of the  certificate

P=2L+2W

P= 2*10+2*14

P=20+28

P= 48 inches

Hence if 1 inche cost $1.02

Then 48 inches will cost x

cross multiply we

x= 48*1.02

x= $48.96

Hence it will cost $48.96 to frame the certificate

a) A designer has a circular tablecloth with radius 0.5 m. He wants to sew a fringe around the cloth. The fringe is sold by the tenth of a meter.

(i) What length of fringe is needed?


(ii) One meter of fringe costs $4.70. How much will the fringe cost?


b) A semicircular mat has a diameter of 18 m. What is the area of the mat?

Answers

1) 0.5m . 2 = 1 meter
2) 4.70$
3) (r^2) / 2 = 81/2 = 40.5m^2

Item 8 You put $400 in an account. The account earns $18 simple interest in 9 months. What is the annual interest rate? The annual interest rate is %.

Answers

Answer:

6%

Step-by-step explanation:

$18/9=$2 interest per month

$2 x 12 = $24 annual interest.

24/400=6%

Can you help I’ll mark brainliest

Answers

Answer:

[tex]7\sqrt{3}[/tex]

Step-by-step explanation:

Since this is a 30-60-90 triangle, we know that the sides have the following characteristic:

The side opposite to 30 degree angle: n

The side opposite to 60 degree angle: [tex]n\sqrt{3}[/tex]

The side opposite to 90 degree angle: 2n

Since we know that 7 is opposite to 30-degree, and x is opposite to 60 degree, than we know that x = [tex]7\sqrt{3}[/tex]

A community hall is in the shape of a cuboid.

Answers

Total cost of Painting and tileing is for the cuboidical community hall is  $2172.

What is a Cuboid ?

A three-dimensional form called a cuboid contains six faces, twelve edges, and eight vertices. It differs from a cube in that a cuboid's faces are entirely rectangular in shape whereas a cube's faces are square. A cuboid has three dimensions: length, breadth, and height.

Properties of a Cuboid are :

There are 6 faces, 12 edges, and 8 vertices on a cuboid.

All of the cuboid's faces have rectangular shapes.

The cuboid's opposing edges are parallel to one another.

The dimensions of a cube are length, breadth, and height.

All of the angles created at the cuboid's vertices are 90 degrees.

Surface area of 4 walls and Ceiling is = 40*3*2 + 15*3*2 + 40*15 = 930

Surface area of the floor is 40 *15 = 600

10 lt of tin covers 25

1  can be covered by 10/25 lt

930  can be covered by (10/25) * 930 = 372 lt.

Total cost of Painting is $372.

1  of floor tiles cost $3

600  of floor tiles will cost 3*600 = $ 1800

Total cost of Painting and tileing is for the cuboidical community hall is $ 372 + 1800 = $2172.

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Jim's marble collection contains 20 marbles, including 4 pink marbles. What is the probability that a randomly selected marble will be a pink marble? Write your answer as a fraction or whole number.

Answers

Answer: 20%

Step-by-step explanation:

The probability that a randomly selected marble will be pink can be found by the formula:

= Number of pink marbles / Number of total marbles

= 4 / 20

= 20%

There is a 20% chance that if you pick a marble, it will be pink.

It’s midnight and I’m so confused someone please help or I’m going to summer school lol

Answers

BESTIE I GOT YOU the answer is 54/25

Find the geometric mean of 14 and 20. Answer in simplest form

Answers

The Geometric Mean (GM) is the average value or mean that, in mathematics, represents the centre tendency of a group of numbers by calculating the product of their values.

What is geometric mean?

The Geometric Mean (GM) in mathematics is the average value or mean that represents the centre tendency of the group of numbers by calculating the product of their values. Basically, n is the entire amount of data values, and we multiply the numbers collectively before taking their nth root.

The geometric mean can be calculated in two steps: To obtain their product, multiply all values collectively. Calculate the product's nth root (n is the number of values).

The geometric mean of 14 and 20 must be determined. Let's see the numbers:

a = 14 and b = 20

For two numbers, the geometric mean is calculated as follows:

[tex]$M=\sqrt{a b}$[/tex]

Filling in the values as shown in the formula above:

[tex]$M=\sqrt{14 \times 20}$$M=\sqrt{7 \times 2 \times 5 \times 4}$$M=16.73$[/tex]

Therefore, the answer is 16.73.

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The required geometric mean of 14 and 20 is 16.73.

What is geometric mean?

The Geometric Mean (GM) in mathematics is the average value or mean that represents the centre tendency of the group of numbers by calculating the product of their values. Basically, n is the entire amount of data values, and we multiply the numbers collectively before taking their nth root.

The geometric mean can be calculated in two steps: To obtain their product, multiply all values collectively. Calculate the product's nth root (n is the number of values).

The geometric mean of 14 and 20 must be determined. Let's see the numbers:

a = 14 and b = 20

For two numbers, the geometric mean is calculated as follows:

G.M = [tex]\sqrt{ab}[/tex]

Filling in the values as shown in the formula above:

G.M = [tex]\sqrt{14(20)}[/tex]

G.M = [tex]\sqrt{280}[/tex]

Therefore, the answer is 16.73.

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Solve the differential equation by variation of parameters.
y'' + y = sin2 x

Answers

The solution to the differential equation y'' + y = sin2x is y = -2sin2x + (Acos2x + Bsin2x).

This differential equation can be solved by the method of variation of parameters. This method involves finding two arbitrary functions, U and V, such that U' = V and V' = -U + sin2x, so that the general solution of the differential equation is y = U + V. Solving the two equations yields U = Acos2x + Bsin2x and V = -2sin2x, where A and B are arbitrary constants. Substituting U and V into the general solution of the differential equation yields the final solution y = -2sin2x + (Acos2x + Bsin2x).

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A book is 6 inches wide and 9 inches tall.

A rectangle is shown. The length of the rectangle is labeled 6 inches. The width of the rectangle is labeled 9 inches.

A publisher wants to use a scale factor of 1.5 to enlarge a book. What will the area of the front of the book be after the book is enlarged? (5 points)

a
54 in2

b
81 in2

c
121.5 in2

d
78.75 in2

Answers

The area of the front of the book after it has been enlarged would be = 121.5 in². That is option C.

What is a rectangle?

A rectangle is defined as the type of quadrilateral which has two opposite sides that are equal and parallel and with four angles that are equal to 90°.

The length of the rectangular book= 6 inches

The width of the rectangular book = 9 inches

Using the scale factor of 1.5 the new length and width is thus:

length = 6 × 1.5 = 9 inches

9× 1.5 = 13.5

Therefore area of the book = l×W = 9 × 13.5 = 121.5 in².

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Solve for x.
-10 <-2x +4≤8
Enter your answer, as one inequality, in the box.

Answers

The solution of the inequality is x < 7 and x >= -2.

What is linear inequality?

An inequality is a mathematical statement comparing two values or expressions, usually involving one of the following relational operators: < (less than), > (greater than), <= (less than or equal to), >= (greater than or equal to), or != (not equal to). The solution to inequality is a set of values that make the inequality true.

To solve the inequality -10 < -2x + 4 ≤ 8, we have to solve the inequality twice because of the less than or equal to symbol and greater than or equal to symbol.

First we have to solve -10 < -2x + 4

-2x + 4 > -10

-2x > -14

x < 7

Second, we have to solve -2x + 4 <= 8

-2x + 4 <= 8

-2x <= 4

x >= -2

Hence, the solution of the inequality is x < 7 and x >= -2. This solution is represented by all the values of x that are less than 7 and greater than or equal to -2.

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The figure below is a scale drawing of a playhouse. In the drawing, the side of each house represents two and a half feet. Find the actual length of each segment.

Answers

5. The width of the house. = 30 feet

6. The height of the house. = 22.5 feet

7. The height of the first floor. = 12.5 feet

8. The height of the roof. = 10 feet

9. The width of the door. = 5 feet

10. The height of the door. = 7.5 feet

How to find the actual length of each segment

The actual length of each segment is calculated by counting the units in the scale drawing and multiplying by the scale factor

In the problem, the scale factor is  two and a half feet = 2.5 feet

5. The width of the house

number of units from the drawing = 12 units

actual length = number of units from the drawing * scale factor

actual length = 12 * 2.5 = 30 feet

6. The height of the house

number of units from the drawing = 9 units

actual length = 9 * 2.5 = 22.5 feet

7. The height of the first floor

number of units from the drawing = 5 units

actual length = 5 * 2.5 = 12.5 feet

8. The height of the roof

number of units from the drawing = 4 units

actual length = 4 * 2.5 = 10 feet

9. The width of the door.

number of units from the drawing = 2 units

actual length = 2 * 2.5 = 5 feet

10. The height of the door.

number of units from the drawing = 3 units

actual length = 3 * 2.5 = 7.5 feet

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The circumference of a circle is C centimeters. The diameter of the circle is 13 centimeters.

Which expression best represents the value of pi?


A. C/6. 5

B. 6. 5/C

C. C/13

D. 13/C

Answers

The diameter of the circle C/13

The formula provides the circumference of a circle.

The circumference of any shape in mathematics designates the path or limit that surrounds the shape. In other words, the circumference, sometimes referred to as the perimeter, aids in figuring out how long the contour of a shape is. The size and perimeter of a circle are, as we all know, its two most important properties.

C = pi * d, where d is the diameter and c is the circumference.

C = pi * 13 gives the diameter as 13.

Subtract 13 from each side, C/13 = d.

Dimensions are C/13.

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Chose the best 3 options

Answers

The beat three options are:  The slope of the line is 1/5, (2) The possible equation if the line is y=1/5x, (3) The slope and the y intercept are the same

What is slope of a line?

Lope is the rate of change of y with respect to x.  slope is also the increase in y over increase in x vice versa

Slope is denoted by rise/run

The Possible solutions from the graph are:

The slope and y-intercept are the sameThe possible equation of the line is y=1/5xThe slope of the line is 1/5

Taking any two points on the graph : (4, 1) and -4, -1,)

We can find the slope as (1--1)/4--4

Therefore, the Slope = 2/3≡1/5

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Can someone please help me with this? and also help me understand how to do it I have a test this Friday.

Answers

Answer:

Refer to the image attached. If you have ANY questions about what I did/how I did it, please ask in the comments. I will be happy to help you understand! :)

Step-by-step explanation:

there are 32 students who studied maths and 28 geography and 26 social science if there are total 40 students in school if they all studies one subject atleast then find maximum number of students who studied all subjects

Answers

The answer is 6
Because you add 3+3 more if you do so you can add it. So when you get that question just add or multiply the number you are given.

The maximum number of students who studied all subjects is 6.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Total students = 40

Number of students who studied maths = 32

Number of students who studied geography = 28

Number of students who studied social science = 26

The maximum number of students who studied all subjects.

= Highest number of students who studied one subject - Least number of students who studied a subject

= 32 - 26

= 6

Thus,

6 is the maximum number of students who studied all subjects.

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The measure of an inscribed angle is 110°. What is the measure of the intercepted arc?
559
110°
220°

Answers

Answer: 220

Step-by-step explanation: See photo. The measure of an inscribed angle is equal to half the measure of the included arc.

110 = 1/2 x

220 = x

Identify the two x values?

Answers

When the points are (4, 2) and (6, 5), the slope is 3/2. The slope of a line determines its direction and degree of steepness.

what is slope ?

A line's steepness and direction are determined by the slope of the line. The change in a line's y coordinate relative to its change in x coordinate is referred to as the line's slope. While there has been no net change in the x coordinate, there has been no net change in the y coordinate. hence, the shift in the y coordinate in relation to the shift in the x coordinate. The slope of a line is the rise to run ratio, or the rise divided by the run. It gives information about a line's slope in the coordinate plane. Any two clearly separated points on a line can be used to calculate the slope of any line.

given

slope = [tex]m = \frac{y2 - y1}{x2 - x1}[/tex]

points are ( 4, 2 ) and ( 6, 5)

[tex]\frac{5 - 2}{6 - 4} \\= \frac{3}{2}[/tex]

hence the slope is 3 / 2 .

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The average scores on Mrs. Wilson's test and Mr. Lewandowski's test were normally distributed on the last Algebra 2 test they gave. The average in my class Mrs. Wilson's class, was 86 with a standard deviation of 2. The average in my friend's class, Mr. Lewandowski's class was an 82 with a standard deviation of 2. If I made an 88 on the test and my friend made an 85 on their test, who had the better score relative to the rest of their class?

Answers

You had a better score relative to the rest of your class.

To compare the scores of you and your friend relative to the rest of their classes, we need to calculate the standard deviation of your score and your friend's score from the average of their respective classes.

A standard deviation of 2 means that 68% of the scores in the class fall within 1 standard deviation of the mean, or between 84 and 88 in the case of Mrs. Wilson's class. Since 88 is greater than 86 (the mean) and less than 2 standard deviations away (88-86 < 2*2=4) , so your score of 88 is better than the average score in your class.

On the other hand, 85 is less than 82 (the mean) and more than 1 standard deviation away (85-82 > 2) so your friend's score of 85 is less than the average score in their class.

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can the vertex also be a solution of a graphed parabola?

Answers

One important feature of the parabola is that it has an extreme point, called the vertex. If the parabola opens up, the vertex represents the lowest point on the graph, or the minimum value of the quadratic function.

Find the mean and standard deviation for the set of data.
{31,12,21,6,28,5,26,23,19}
A. mean: 19; standard deviation: 8.87
B. mean: 19; standard deviation: 9.24
C. mean: 20; standard deviation: 8.87
D. mean: 20; standard deviation: 9.24

Answers

Answer:

if it says bit .ly etc don't click it

The sample points of a sample space are a equally likely events. b equally unlikely events. c simple events. d complex events.

Answers

The correct option is option A , the sample points of a sample space are equally likely events.

In probability when two the occurrence of two events are having a 50 - 50 possibility then those two events are said to be equally likely events. Example , on tossing a coin the probability of getting a H or a tail is 1/2 . Therefore, these events are said to be equally likely events.

Probability is a field of mathematics which tells us about the possibility of occurrence of an event. P = number of favorable outcomes / total number of outcomes , is the formula to calculate probability.

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2. If Sarah makes $11 per hour at her part time job and she works 20 hours in a week. How much is her weekly grass
pay?
A. $440
B. $110
C. $220
D. $200

Answers

Sarah makes 220 sorry if that’s wrong

Answer:

C. $220

Step-by-step explanation:

11 x 20 = 220

Help, please!!! I'll mark brainliest!!

Answers

Answer:

Step-by-step explanation:

okkkkkkk

Sarah's teacher wrote this expression on the whiteboard. Where could she place brackets in the expression for it to be equal to 36?

Answers

Answer:

A. 24 ÷ [6 − 2] × 5 + 6

Step-by-step explanation:

Sarah's teacher wrote this expression on the whiteboard. 24 ÷ 6 − 2 × 5 + 6 Where could she place brackets in the expression for it to be equal to 36? A. 24 ÷ [6 − 2] × 5 + 6 B. 24 ÷ 6 − [2 × 5 + 6] C. [24 ÷ 6] − 2 × 5 + 6 D. 24 ÷ 6 − 2 × [5 + 6]

Rule of operations

BODMAS

B = Bracket

O = 0f

D = Division

M = Multiplication

A = Addition

S = Subtraction.

Check all options

A. 24 ÷ [6 − 2] × 5 + 6

= 24 ÷ (4) × 5 + 6

= 6 × 5 + 6

= 30 + 6

= 36

B. 24 ÷ 6 − [2 × 5 + 6]

= 4 - (10 + 6)

= 4 - 10 + 6

= 0

C. [24 ÷ 6] − 2 × 5 + 6

= 4 - 10 + 6

= 0

D. 24 ÷ 6 − 2 × [5 + 6]

= 4 - 2(11)

= 4 - 22

= -18

Option A is the correct answer

Jeff bought a 5-gallon bucket of paint. He used 1.25 gallons to paint his bedroom, then he used two-thirds of the remaining paint for his living room. How many gallons of paint did he use to paint his living room?

Answers

Answer:

2.5 gallons

Step-by-step explanation:

5-1.25=3.75

3.75/3=1.25

1.25*2=2.50

Answer:

2.5, or 2 1/2 gallons

Step-by-step explanation:

Which data set has a relatively low mean and variability when compared with a data set that has a mean of 20 and a MAD of 3.1? A. Mean: 5 and MAD: 4.6 B. Mean: 25 and MAD: 6.5 C. Mean: 41 and MAD: 0.9 D. Mean: 8 and MAD: 1.2

Answers

Answer:

Mean: 8 and MAD: 1.2

Step-by-step explanation:

Given a data with :

Mean = 20 ; mean absolute deviation (MAD) = 3.1

DATA with a low mean and variability Than The above from the options given :

The most appropriate option is : Mean: 8 and MAD: 1.2 ; because both values of the mean and mean absolute deviation are lesser than the value given.

Help PlSss there’s people not helping I really need to bring my grades up

Answers

Answer:

center: P

Radius: 12cm

# of radii: 5

Diameter: 24cm

# of diameters: 2

Circumference: 75.36cm

Step-by-step explanation:

the center is labeled with the point p

radius is the distance from the center to the circumference of a circle

diameter is the distance from one point on a circle through the center to another point on the circle. (and twice the radius)

circumference is 2(pi)r

pi can be rounded to 3.14

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