4. Margo is shopping for art supplies. She has a budget of $50 to spend. She buys 8 packages of
construction paper and receives $33.12 in change. Which equation could be used to find the
price of one package of construction paper?
A. 50 - 8x
B. 50- 33.12+8x
C. 33.12 = 8x
D. 50+ 33.12 - 8x

Aspect ratio refers to the proportion of the width to the height of a rectangular image or screen. It is commonly represented as two numbers separated by a colon, such as 4:3 or 16:9.

An aspect ratio of 1:3 means that the width of the image or screen is one-third of its height. This aspect ratio is not commonly used for standard images or screen sizes but it can be used for special cases such as vertical videos.

In general, for images and videos, the aspect ratio of 4:3 was used in the past, but now the aspect ratio of 16:9 is more common, and it's the standard aspect ratio used in most modern televisions, computer monitors, and digital cameras.

Also, it's worth noting that the aspect ratio of 1:3 represents a very elongated shape, and it's not suitable for most practical uses, as it would not be able to display most standard content without black bars on the top and bottom of the screen.

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On solving the question we can say that the , plot the equation by points in the graph to get the line in the graph.

Equations with graphs as the unknowns are known as graph equations. The concept of isomorphism is one of the key issues in graph theory. When are two graphs identical, we inquire? Different graph equations may be used to express the aforementioned graphs.

A mathematical expression with an equals sign is referred to as an equation. Algebra is widely used in equations. When performing calculations but unsure of the precise amount, algebra is utilized. A lot of specialists, such as air traffic controllers, architects, computer programmers, and carpenters, employ equations on a daily basis.

The equation are

y = 1/2x - 2

for y = 0 , x= 4

and for x = 0 , y = -2

y = -3/4 x +

for y = 0 , x= 4

and for x = 0 , y = 3

Plot the points in the graph to get the line in the graph.

Again for

y = -2x + 1

for y = 0 , x = -1/2

for x= 0 , y = 1

and y = 3x -4

for y = 0 , x = 4/3

and for, x =0 , y = -4

again plotting the points in the graph.

similarly for

y + 2x = 3

for y = 0 , x = 3/2

and x = 0 , y = 3

plotitng the point in the graph we get the solution.

and 2y - 3x = 1

for y = 0 , x = -1/3

and x = 0 , y = 1/2

Plotting the points in the graph we can get the solution.

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The correct statements on the graph of time and calories is:

When two numbers are multiplied or divided, there is a proportionate relationship. Although a linear equation frequently includes a proportional component in addition to some constant number, a linear relationship can also be proportional.

A relationship is proportionate if its graph is a line or ray that passes through the origin. It is not proportionate if the line or ray does not go through the origin. Additionally, something is not proportionate if it is not linear.

As shown in the graph, the straight line passed through the origin which means that it is a proportional relationship.

The constant of proportionality in this case is therefore:

= Calories at a minute / Minute

= 20 / 2 minutes

= 10 calories per minute

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Answer:

417.335=x

Step-by-step explanation:

The vertical velocity of the string at the origin at time t would be zero, as the origin is a fixed point.

The origin is a fixed point, so it does not move. This means that the vertical velocity of the string at the origin at time t would be zero.

The origin of the string is a fixed point, meaning that it does not move. This implies that the vertical velocity of the string at the origin at time t would be zero, as the origin does not move or change its position. Since the origin is a fixed point, the vertical velocity of the string at the origin at time t would remain constant, and would be equal to zero. Thus, the vertical velocity of the string at the origin at time t would be zero.

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Answer:

A Venn diagram is used to visually represent the differences and the similarities between two concepts.

Step-by-step explanation:

hope this helps:)

Answer:

Down below

Step-by-step explanation:

A venn diagram is two circles that overlap in the middle to create the similarities area. The rest of the circles that haven't overlapped are for listing the differences.

Hope this helps! :)

Answer:

1) 92,22,66

2) 106,13,61

3) 87,34, 59

4)20,74,86

Step-by-step explanation:

1) Let the unknown angle be x

92 + 22 + x= 180( Sum of angles in a triangle )

114+ x = 180

x= 180-114

   =66

2) 106+ 13 + x =180

119 +x = 180

x= 180-119

x= 61

3) 59+34 +x = 180

93+x = 180

x= 180-93

   =87

4) 86+74 +x=180

160 +x =180

x= 180-160

 =20

Answer:

the correct answer has to be c

The sample space, S: {WW, WL, LW, LL} represent the experiment Playing a video game twice.

Probability refers to potential. A random event's occurrence is the subject of this area of mathematics.

The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events.

The degree to which something is likely to happen is basically what probability means.

1. Rolling a number cube twice

Drawing a possibility space allows us to see all the 36 outcomes of throwing a cube twice.

So, this is not the required case.

2. Rolling a number cube once

Drawing a possibility space allows us to see all the 6 outcomes of throwing a cube once.

So, this is not the required case.

3. Playing a video game twice

This case can be considered because it gives 4 outcome of Winning(W) and Losing(L).

4. Playing a video game twice

This case cannot be considered because it gives 2 outcome of Winning(W) and Losing(L).

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Answer:

yep its C :)

Step-by-step explanation:

I got it right on my quiz.

Answer:c

Step-by-step explanation:

Answer: 28 and 40

Step-by-step explanation:

64 / 2 = 32

32 - 8 = 28

32 + 8 = 40

Answer:28 and 36

Step-by-step explanation:

Rearrange the equation and we get: 2X = 56. Solve for X and we see that X=28

The probability that Sheila is late on any one day is 0.295 or 29.5%.

We can use the law of total probability to find the probability that Sheila is late on any one day.

The law of total probability states that for any event B, the probability of event B occurring can be calculated by summing the probability of event B occurring given that event A has occurred, multiplied by the probability of event A occurring. Symbolically, this can be represented as:

P(B) = P(B|A1) * P(A1) + P(B|A2) * P(A2) + ... + P(B|An) * P(An)

In this case, event B is Sheila being late, and events A1 and A2 are Sheila walking or cycling to school, respectively. The probabilities of these events occurring are:

P(A1) = 0.65 (the probability that Sheila walks to school)

P(A2) = 0.35 (the probability that Sheila cycles to school, since 1- 0.65)

P(B|A1) = 0.4 (the probability that Sheila is late given that she walks to school)

P(B|A2) = 0.1 (the probability that Sheila is late given that she cycles to school)

Plugging these values into the equation gives:

P(B) = P(B|A1) * P(A1) + P(B|A2) * P(A2) = 0.4 * 0.65 + 0.1 * 0.35 = 0.26 + 0.035 = 0.295

So the probability that Sheila is late on any one day is 0.295 or 29.5%.

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One way to remember multiples of 8 is to think of them as being one less than a multiple of 10. Also another method that can be used to remember multiples of 8 is using them as a double of the multiplies of 4.

For example, 8 is one less than 10, 16 is one less than 18, and so on. This can help make it easier to remember and recall multiples of 8. Another way to remember multiples of 8 is to think of them as being double the multiples of 4. For example, 8 is double of 4, 16 is double of 8 and so on.

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Answer:

89%

Step-by-step explanation:

534/600*100

= (534*100)/600

= 53400/600

= 89

Basics of percentage you can use this for also other unknown percentages just replace the “ 534 “ and the “ 600 “

Answer:

89‰

Step-by-step explanation:

[tex]\frac{534}{600} X100 = 89[/tex]‰

The particles contain 5.199 mol. The result is obtained by dividing the number of particles by the Avogadro number.

Avogadro number is the number of particles contained in 1 mol of any substance. It is 6.022 × 10²³ particles/mol.

The number of particles of a substance can be expressed as

N = n × NA

Where

The number of particles of a substance is 3.131 × 10²⁴ particles. Find the number of moles!

With the Avogadro number, the number of moles would be

N = n × NA

3.131 × 10²⁴ = n × 6.022 × 10²³

n = (3.131 × 10²⁴) / (6.022 × 10²³)

n = 0.5199 × 10¹

n = 5.199 mol

Hence, there are 5.199 mol contained in the particles.

The answer is A.

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If rotating a graph around a point leaves the graph intact, the graph is said to be symmetric with respect to that point.

Since anything that is mirrored around a horizontal line will fail the Vertical Line Test, no function can by definition be symmetric about the x-axis (or any other horizontal line).

If rotating a graph around a point leaves the graph intact, the graph is said to be symmetric with respect to that point. When two points are always present on a graph, the graph is symmetric with respect to the origin.

If there is a point (a, b) on the graph for every (a, b) on the graph, then the graph is said to be symmetric with respect to the x axis, and f(x, y) = f(x, y).

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Answer:

b. x = 62 degree, y = 118 degree

Step-by-step explanation:

x is the vertical angle to the 62-degree angle, so x = 62 degree

We see that the angle x add with the angle y equal to 180 degrees, so to find y, we take

180 - 62 = 118 degree.

So, the answer is b. x = 62 degree, y = 118 degree

Answer:

The second graph is not a function of x

Step-by-step explanation:

Note : -

1st graph : f(x) = secant inverse x

3rd graph : f(x) = c (constant function)

4th graph : It is a function which is +ve

Exponential growth occurs when an entity experiences a rapid increase in size or output. This type of growth can be seen in companies, economies, and populations, and it requires certain conditions to be in place in order to be successful.

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The first seven terms of the Fibonacci sequence are: 0, 1, 1, 2, 3, 5, 8, 105, 225.

Sequence is an ordered arrangement of elements, usually numbers or objects, which follows a specific pattern. It is a mathematical concept that is used in a variety of areas, such as computer science, data analysis, and number theory. A sequence can be finite, like the first 10 numbers in the counting sequence, or it can be infinite, such as the set of natural numbers. It is important to understand the concept of a sequence in order to be able to use it in various areas.

The Fibonacci sequence is a series of numbers where each number is the sum of the two preceding numbers, starting from 0 and 1.

The Fibonacci sequence is named after mathematician Leonardo Fibonacci, who introduced the sequence in his book Liber Abaci in 1202.

The sequence is also known as the Golden ratio, because the ratio of successive numbers in the sequence converges on the Golden ratio of 1.618. The first seven terms of the Fibonacci sequence are 0, 1, 1, 2, 3, 5, 8, and the fourth and sixth terms of the sequence are 105 and 225 respectively.

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Answer: The result is a composite number

Hope this helps :)

Step-by-step explanation:

C

12x + 12, x=8

12*8 + 12

96 + 12

108

The number 108 is a composite number, but not prime and it is a whole number.

The value of y for the given conditions is 82.2.

Repetitive subtraction is the process of division. It is the multiplication operation's opposite. It is described as the process of creating equitable groups. When dividing numbers, we divide a larger number down into smaller ones such that the larger number obtained will be equal to the multiplication of the smaller numbers.

Given a phrase, y divided by 6.85=1.2

y ÷ 6.85 = 12

y/6.85 = 12

multiply both sides by 6.85

y/6.85(6.85) = 12 x 6.85

y = 82.2

Hence the value of y is 82.2.

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The angles of the triangle are 20.75, 54.75, 104.5

The angle sum property of a triangle states that the sum of interior angles of a triangle is 180°

Given here: if the first angle is 34 more than the 2nd and the 3rd is 5 less than twice the first. Let the second angle be x then first angle is x+34 and the 3rd angle is 2x+63

Using the triangle sum property we get

x+x+34+2x+63= 180

4x=83

x=20.75

Hence, the angles of the triangle are 20.75, 54.75, 104.5

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Answer:

Radius =21,  height = 45  
Lateral Surface Area = [tex]5937.61[/tex] cm²
Total Surface Area = [tex]8708.49[/tex]  cm²

Radius = 28, height =28
Lateral Surface Area =  [tex]4926.01[/tex] cm²

Total Surface Area  =  [tex]9852.03[/tex] cm²

Step-by-step explanation:

If r is the radius of a cylinder with height h

Lateral surface area

[tex]L = 2\pi rh[/tex]

Top and bottom surface area for each which is a circle is [tex]\pi r^2[/tex]

So total bottom and top surface area = [tex]2 \pi r^2[/tex]

Total surface area =

[tex]2\pi rh + 2\pi r^2 = 2\pi r(h + r)[/tex]

For r = 21, h = 45
[tex]L = 2 \pi \cdot 21 \cdot 45 = 1890 \pi = 5937.61 \;cm^2[/tex]

[tex]T = 2\pi \cdot 21 (21 + 45) = 2772 \pi = 8708.4948\;cm^2[/tex]

For r = 28, h = 28

[tex]L = 1568\pi = 4926.01 cm^2[/tex]

[tex]T = 3136\pi = 9852.03 \;cm^2[/tex]

Four numbers forming a geometric sequence such that the second term is 35 less than the first term and the third term is 560 more than the fourth term are -35/3, -140/3, - 560/3, -2240/3 and 7, -28, 112, - 448  

Four numbers forming a geometric sequence can be calculate as follows

these terms: a₁, a₂, a₃, a₄

a₁ = a₂ + 35

a₃ = a₄ + 560

Use the formula for the n-term:

a₂ = a₁r

a₃ = a₁r²

a₄ = a₁r³

replace

a₁ = a₁r + 35 ⇒ a₁(1 - r) = 35

a₁r² = a₁r³ + 560  ⇒ a₁(1 - r)r² = 560

Subtracting from the first equation to  the second:

r² = 560/35

r² = 16

r = √16

r = ± 4

Use the first equation to find the first term:

a₁( 1 ± 4) = 35

1. a₁ = 35/-3 = -35/3

2. a₁ = 35/5 = 7

We have two sequences:

r = 4

-35/3, -140/3, - 560/3, -2240/3

r = -4

7, -28, 112, - 448  

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Answer:

  2/15

Step-by-step explanation:

You want to know the fraction that is 2/3 of 1/5.

In this context, "of" means "times."

  2/3 of 1/5 = (2/3)×(1/5) = (2·1)/(3·5) = 2/15

2/15 of the pets are alley cats.

Answer:

To find the value of x in this situation, you can set up a proportion using equivalent ratios. The equivalent ratios will show the relationship between the number of words Santiago can text and the time it takes him to text them.

74 words : 4 minutes :: 37 words : x minutes

To solve for x, you can cross-multiply and divide:

74 * x = 37 * 4

x = (37 * 4) / 74

This simplifies to:

x = 2 minutes.

Step-by-step explanation:

The length in centimeters of side OP is 8.

A triangle is a plane figure which is bounded by three straight sides, and has a sum of its internal angle to be 180^o.

Two or more triangles can be referred to as similar if the corresponding sides and measure of corresponding internal angles have some common properties on comparison.

Thus on comparing the corresponding sides of the two given similar triangles, we have;

JK/ ON = KL/ OP

2/ 4 = 4/ OP

2OP = 4*4

       = 16

OP = 16/ 2

     = 8

OP = 8 cm

Therefore, the length of side OP is 8 cm.

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In order to have length twice width the answer should be 28 feet.

Let x be the width of the garden.

The length of the garden is 2x.

The perimeter of a rectangle is equal to 2(length + width)

So 42 = 2(2x + x)

42 = 2(3x)

x = 14

The width of the garden is 14 feet and the length is 2x = 2(14) = 28 feet.

The answer is 28 feet (Option a).

Mensuration is the branch of mathematics that deals with the measurement of geometric shapes and figures, such as length, area, and volume. It typically includes the study of geometric shapes, such as circles, triangles, and polygons, and their properties, such as perimeter, area, and volume. Mensuration is used in many fields, including engineering, physics, and computer graphics.

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Using equations to solve the word problem, the first child withdrew $700, second child withdrew $1500, and third child withdrew $1250.

A word problem is a mathematical exercise that requires the student to read and understand a narrative description of a problem, identify the mathematical quantities involved, and then formulate and solve an equation to find the solution. Word problems often involve real-world scenarios such as shopping, money, and time.

Let's define our variables;

We can proceed to write linear equations with our variables

1/2x = 1/4y ...eq(i)

z = 500 + x ...eq(ii)

From equation (i)

x = 1/2y

z = 500 + 1/2 y

x = 750

x = 1/2(y)

750 = 0.5y

y = 750 * 2

y = 1500

z = 500 + x

z = 500 + 750

z = 1250

The first child took out $750, the second child took out $1500, and the third child took out $1250.

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