can you please help
Solve 3X+1​

Answer:

5.3

Step-by-step explanation:

The Answer is 5.3 because the number line shows 10 lines between the 5/10 and 6/10 this makes each line worth 0.1 each. Since point A is on the third line the answer would be 5.3 Hope this helps.

Niamh gets 16 pencils and Jack gets 32 pencils.

The ratio of 4:8 can be simplified to 1:2 by dividing both sides by 4. This means that for every one pencil Niamh gets, Jack gets two pencils.

To find out how many pencils each child gets, we need to divide the total number of pencils by the total number of parts in the ratio, which is 1 + 2 = 3.

So, each part of the ratio represents 48/3 = 16 pencils.

Therefore, Niamh gets 1 part, which is 16 pencils, and Jack gets 2 parts, which is 2 x 16 = 32 pencils.

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The given question is incomplete, the complete question is:

Ms. Adams shares out 48 pencils between Niamh and jack in the ratio 4:8, How many pencil does each child get ?

The distribution of the maximum temperature in Muscat city based on the given data is positively skewed. The correct option is c.

The distribution of the maximum temperature in Muscat city based on the given data is positively skewed. When a dataset's mean is higher than the median, this is known as a positively skewed distribution. It indicates that there are more lower values than upper values in the dataset.The mean, median, and mode are examples of measures of central tendency. A summary of the measure of central tendency of the annual maximum temperature in Muscat city for the last ten years since 2011 is required as it gives a clear overview of the dataset's central tendency, this is an important statistical summary.

The mean, median, and mode are the three most popular measures of central tendency. The mean is the average of all the data points in a dataset. It's calculated by adding up all the values in the dataset and then dividing by the number of data points.The median is the middle number in a dataset when it's sorted from lowest to highest. If there are two middle numbers, the median is the average of the two.Therefore, the distribution of the maximum temperature in Muscat city based on the given data is positively skewed, as there are more lower values than upper values in the dataset.

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This statement is knοwn as the Pythagοrean Theοrem, and it states that the square οf the hypοtenuse οf a right triangle is equal tο the sum οf the squares οf the οther twο sides.

The area is the amοunt οf twο-dimensiοnal space that is enclοsed within a given bοundary οr shape. It is measured in square units, such as square inches, square feet, οr square meters. The area is an impοrtant cοncept in mathematics and is used tο calculate the size οf physical οbjects as well as tο measure figures οn a twο-dimensiοnal surface. Knοwing hοw tο calculate area is an essential skill in a variety οf fields, including architecture, engineering, and landscaping.

This relatiοnship was first discοvered by the ancient Greek philοsοpher Pythagοras οf Samοs, whο nοticed that this equatiοn always held true in right-angled triangles. The equatiοn is expressed as, where a and b are the sides οf the triangle and c is the hypοtenuse.

Fοr example, Lets take an example οf twο legs 3 and 4, and the hypοtenuse be 5,

Lets see if the hypοtenuse² =  leg a² + leg b²

⇒ 5² = 4² + 3²

⇒ 25 = 16 + 9

⇒ 25 = 25.

Thus, This statement is knοwn as the Pythagοrean Theοrem, and it states that the square οf the hypοtenuse οf a right triangle is equal tο the sum οf the squares οf the οther twο sides.

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The complete question is:

Is it correct that the sum of the areas of two squares on the legs (a and b) equals the area of the square on the hypotenuse (c)?

The solution to the system of equations is C = 3 and H = 9.

Let C = Cora's miles last week and H = Hana's miles last week

The equation for Cora's miles is C + 7x = 3, and the equation for Hana's miles is H + 4x = 9, where x is the number of weeks.

The solution to this system of equations is C = 3, and H = 9. This can be determined by solving each equation separately and then checking that the answers satisfy both equations.

For Cora's equation, subtract 7x from both sides to get C = 3 - 7x. Solving for x gives x = (3 - C) / 7. Plugging this into Hana's equation gives H + 4((3 - C) / 7) = 9. Simplifying this equation gives H = 9 - 12 + 4C.

Checking the answers, C = 3 - 7(0) = 3, and H = 9 - 12 + 4(3) = 9. Both equations are satisfied by C = 3 and H = 9, so this is the solution to the system of equations.

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The probability that a randomly selected adult from the state has high blood pressure but not high cholesterol is 0.40 or 40%.

To find the probability that a randomly selected adult from the state has high blood pressure but not high cholesterol, we need to subtract the probability of having both high blood pressure and high cholesterol from the probability of having high blood pressure.

Using set notation, let A be the event of having high blood pressure and B be the event of having high cholesterol. Then, the probability of having both high blood pressure and high cholesterol can be written as

P(A ∩ B)= 0.20

The probability of having high blood pressure can be written as

P(A) = 0.60

Therefore, the probability of having high blood pressure but not high cholesterol is:

P(A) - P(A ∩ B) = 0.60 - 0.20 = 0.40

Thus, the probability that a randomly selected adult from the state has high blood pressure but not high cholesterol is 0.40 or 40%.

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The equation of the perpendicular bisector of the line is  y = 2x +16

Slope of a line is defined as the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line.01 It can also be expressed as a quotient ("rise")

1) the slope (m) = (change in y)/ change in x

m = (6-2)/ 7+3 = 4/10 = 2/5

b) the slope of the perpendicular is given by  m₁*m₂ = -1

m₂ = -1/m₁

m₂ = -1 ÷2/5 = -5/2

c) the mid point of the ordered pair is (y₁+y₂)/2 and (x₁+x₂)/2

[(7+3)/2,  (6-2)/2]

[10/2 , 4/2 ]

(5,2)

d) equation of the perpendicular is given by

m = (y - y₁)/ (x - x₁)

m( (x - x₁) =  (y - y₁)

By substitution we have

2/5(x +3) = y-2

2x + 6 = y - 10

Making y the subject we have

Therefore, y = 2x +16

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The coin will reach the stream in 5.61 seconds.

Since the height of the coin, after t seconds, is given by the equation:

h = -16t² + 72t + 100

The stream is the ground level. Thus, the coin reaches the stream when h(t) = 0.

So we can equate the equation to zero and solve for t:

-16t² + 72t + 100 = 0

Using the quadratic formula:

t = −b ± √(b² − 4ac) 2a

where a = -16, b = 72 and c = 100

t = −72 ± [√(72² − 4(-16)(100))] /2(-16)

t =  −72 ± [√11584]/(-32)

t = (-72 ± 107.63)/(-32)

t =  (-72 + 107.63)/(-32) or  (-72 - 107.63)/(-32)

t = -1.11 or  5.61

Since t cannot be negative. Thus, t = 5.61 seconds

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Complete Question

Travis tossed a coin off a bridge into the stream below. The path of the coin can be represented by the equation h = -16t² + 72t + 100. How long will it take the coin to reach the stream?

Answer: 24

Step-by-step explanation: 2x2x2 is the volume since 2x2x2 is 8. so the surface area of one side would be 2x2. 4x6= 24. Since there are 6 sides, the answer is 24.

Answer:

Let L be the length of the rectangle.

According to the problem, the width of the rectangle is 4 units less than the length, so the width is L - 4.

The area of the rectangle is given as 32 square units, so we can set up the equation:

A = L(L - 4) = 32

Expanding the left side of the equation, we get:

L^2 - 4L = 32

Rearranging and factoring, we get:

L^2 - 4L - 32 = 0

We can solve for L by using the quadratic formula:

L = (-b ± sqrt(b^2 - 4ac)) / 2a

Where a = 1, b = -4, and c = -32.

L = (-(-4) ± sqrt((-4)^2 - 4(1)(-32))) / 2(1)

L = (4 ± sqrt(16 + 128)) / 2

L = (4 ± sqrt(144)) / 2

L = (4 ± 12) / 2

L = 8 or L = -4

Since the length must be a positive value, we take L = 8.

Therefore, the length of the rectangle is 8 units.

The width and length of the rectangle will be 4 units and 8 units, respectively.

Let W be the rectangle's width and L its length.

The area of the rectangle is the multiplication of the two different sides of the rectangle. Then the rectangle's area will be

Area of the rectangle = L × W square units

The width of a square shape is 4 units less than the length. The region of the square shape is 32 square units. Then the equations are given below.

[tex]W = L - 4[/tex]            ...1

[tex]L \times W = 32[/tex]           ...2

From equations 1 and 2, then we have

[tex]L \times (L - 4) = 32[/tex]

[tex]L^2 - 4L = 32[/tex]

[tex]L^2 - 4L - 32 = 0[/tex]

[tex]L^2 - 8L + 4L - 32 = 0[/tex]

[tex]L(L - 8) + 4(L - 8) = 0[/tex]

[tex](L - 8)(L + 4) = 0[/tex]

[tex]L = 8, -4[/tex]

Then the width of the rectangle is given as,

[tex]W = 8 - 4[/tex]

[tex]W = 4 \ units[/tex]

The width and length of the rectangular shape will be 4 units and 8 units, separately.

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Answer:

429

Step-by-step explanation:

The solution for g is -2

[tex]-g+2\left(3+g\right)=-4\left(g+1\right)[/tex]

expand [tex]-g+2\left(3+g\right)[/tex]

= [tex]g+6[/tex]

expand  [tex]-4(g+1)[/tex]

[tex]-4g-4[/tex]

[tex]g+6=-4g-4[/tex]

collect like terms:

[tex]5g=-10[/tex]

Divide both side by 5:

[tex]\frac{5g}{5} =\frac{-10}{5}[/tex]

=[tex]g = -2[/tex]

Therefore, the solution for g is -2.

A linear equation is an algebraic equation in which the highest power of the variable is 1. It can be written in the form of y = mx + b, where y is the dependent variable, x is the independent variable, m is the slope of the line, and b is the y-intercept.

The slope is the rate of change of the line, which represents how steeply it rises or falls, and the y-intercept is the point where the line intersects the y-axis.

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Answer: 36

Step-by-step explanation: To determine the number of ways an ice cream cone can be ordered; we must apply the multiplication principle of counting.

Given there are 3 different cone types, 3 choices of toppings, and 4 different types of ice cream, we can construct an equation to identify the maximum number of ways an ice cream cone can be ordered:

4 (types of ice cream) × 3 (types of cones) × 3 (choices of toppings) = 36 ways

Therefore, there are 36 different ways an ice cream cone can be ordered.

The number of different ways an ice cream cone can be ordered is 36.

Permutations are different ways of arranging objects in a definite order. It can also be expressed as the rearrangement of items in a linear order of an already ordered set. The symbol nPr is used to denote the number of permutations of n distinct objects, taken r at a time.

Given that, at an ice cream stand, there are 4 different types of ice cream, 3 different cones, and 3 choices of toppings.

We know that, nPr=n!/(n-r)!

Here, ⁴P₁׳P₁׳P₁

= 4!(4-1)! × 3!/(3-1)! × 3!/(3-1)!

= 4×3!/3! × 3×2!/2! × 3×2!/2!

= 4×3×3

= 36

Therefore, in 36 different ways cone can be ordered.

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The numbers 1, 2, 3, and so on are called natural numbers

The numbers 1, 2, 3 and so on are commonly known as natural numbers. They are the most basic and fundamental type of numbers used in mathematics. Natural numbers are positive integers that are used for counting and measuring quantities.

They are called "natural" because they are the numbers that naturally occur when we count objects in the real world. The set of natural numbers is denoted by the symbol N and it is an infinite set that starts from 1 and continues infinitely. Natural numbers form the basis for other types of numbers, such as whole numbers, integers, rational numbers, and real numbers, and they are used in a wide range of mathematical applications.

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Step-by-step explanation:

Find the number of half lives to get to .3  (which is 30%)    then multiply by 5730  years per half life:

.3 = (1/2)^n      <====solve for 'n'

log .3 / log (1/2) = n = 1.737 half lives

1.737  X  5730 = ~ 9953 years old

Answer:

Paula will use 45 oz of sauce and 30 oz of cheese to make 5 pizzas

How to find quantity of ingredients for 5 pizzas?

To find this, you can use the proportion of ingredients used for 2 pizzas and scale it up to 5 pizzas.

For 2 pizzas, Paula uses 18 oz of sauce and 12 oz of cheese.

The proportion of sauce to cheese used is 18/12

To make 5 pizzas, you can use this proportion to find how much sauce and cheese is needed:

2 pizzas =  18 sauce

5 pizzas = 5 / 2 x 18 = 45 sauces.

For cheese required, Paula will use:

2 pizzas =  12 cheese

5 pizzas = 5 / 2 x 12 = 30 cheese.

So the total is 45 oz of sauce and 30 oz of cheese.

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Step-by-step explanation:

Answer:

Paula will use 45 oz of sauce and 30 oz of cheese to make 5 pizzas

Step-by-step explanation:

The height of the flagpole is [tex]$\frac{28}{3\frac{1}{2}}\times 5\frac{1}{2}=50$[/tex]feet.

[tex]$\frac{28}{3\frac{1}{2}}\times 5\frac{1}{2}$[/tex]

[tex]$\frac{28\times 5\frac{1}{2}}{3\frac{1}{2}}$[/tex]

[tex]$\frac{140+7}{7}$[/tex]

[tex]$\frac{147}{7}$[/tex]

[tex]$50.71\approx50$[/tex] feet

The person and the flagpole are in the same environment, so if the person's height is 5 and a half feet and their shadow is 3 and a half feet, then the flagpole's shadow should be in the same ratio. By calculating the ratio between the flagpole's shadow and the person's height, we can determine the height of the flagpole. The ratio between the flagpole's shadow (28 feet) and the person's height (5 and a half feet) is 28 divided by 3 and a half. Multiplying this ratio by the person's height will give us the flagpole's height. The flagpole's height is approximately fifty feet.

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Answer:

75

Step-by-step explanation:

[tex]10x^2 - 3x - 6, x=3\\[/tex]

substitute all values of x.

[tex]10(3)^2 -3(3)-6[/tex]

then simplify the equation.

[tex]90-9-6[/tex]

=[tex]75[/tex]

Hope this helps!

Brainliest is much appreciated!

Answer:

75

Step-by-step explanation:

10(3)^2-3x3(or 9)-6

Answer:

The amount that would need to be deposited now to withdraw $2,400 at the end of each year for 10 years from an account that earns 4% compounded annually is $60,058.50.

Step-by-step explanation:

To determine how much would need to be deposited now to withdraw $2,400 at the end of each year for 10 years from an account that earns 4% compounded annually, we can use the present value formula for an annuity:

PMT x [(1 - (1 + r/n)^(-nt)) / (r/n)] = PV

Where:

PMT = the periodic payment

r = the annual interest rate (as a decimal)

n = the number of times the interest is compounded per year

t = the total number of years

PV = the present value (the amount to be deposited now)

In this case, we have:

PMT = $2,400

r = 4% = 0.04 (decimal)

n = 1 (compounded annually)

t = 10 years

Plugging these values into the formula, we get:

PV = $2,400 x [(1 - (1 + 0.04/1)^(-1*10)) / (0.04/1)]

PV = $2,400 x [(1 - 0.5537) / 0.04]

PV = $60,058.50

Therefore, the amount that would need to be deposited now to withdraw $2,400 at the end of each year for 10 years from an account that earns 4% compounded annually is $60,058.50.

Hope this helped! If it didn't, I'm sorry! If you need more help, ask me! :]

The constant of proportionality (r) in the table of values of x and y has a value of 0.5.

To find the constant of proportionality (r) in the equation y = rx, we need to determine the ratio of y to x for each pair of quantities given in the table.

If x and y are proportional, then this ratio should be the same for all pairs of quantities.

Using the table, we have:

y/x = 4.5/9 = 0.5

y/x = 7/14 = 0.5

y/x = 15/30 = 0.5

Since the ratio of y to x is the same for all pairs of quantities, we can conclude that x and y are indeed proportional, and the constant of proportionality (r) is 0.5.

Therefore, the equation that represents the relationship between x and y is:

y = 0.5x

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Complete question

Rewrite the following properly and solve:

The quantitiesx and y are proportional.

x   y

9   4.5

14  7

30  15

Find the constant of proportionality (r) in the equation

y = rx

[tex]\large\textsf{Answer:}[/tex]

[tex]\mathtt{x = 9.4}[/tex]

[tex]\mathtt{y = 14.3}[/tex]

[tex]\textsf{Please see below.}[/tex]

[tex]\large\textsf{Step-by-step explanation:}[/tex]

[tex]\textsf{For these problems, we are asked to solve for the missing variables.}[/tex]

[tex]\textsf{To start, we have \underline{2 exterior angles} and \underline{2 secant lines }that \underline{intersect} at a \underline{vertex}.}[/tex]

[tex]\boxed{\Large\textsf{What is a Vertex?}}[/tex]

[tex]\textsf{A \underline{Vertex} is a \underline{point of intersection} of \underline{2} or more \underline{lines.}}[/tex]

[tex]\boxed{\Large\textsf{What are Exterior Angles?}}[/tex]

[tex]\textsf{\underline{Exterior Angles} are \underline{angles} that are \underline{outside} of a circle.}[/tex]

[tex]\boxed{\Large\textsf{What are Secant Lines?}}[/tex]

[tex]\textsf{\underline{Secent Lines} are \underline{lines} that intersect a circle \underline{twice}.}[/tex]

[tex]\textsf{Because we have Intersecting Secants \underline{outside} of the circle, we should use this formula;}[/tex]

[tex]\mathtt{a(a+b)=c(c+d)}\\[/tex]

[tex]\textsf{Smaller segment is first, then the larger segment is inside the parentheses.}[/tex]

[tex]\underline{\textsf{Substitute values from 10;}}[/tex]

[tex]\mathtt{5(5+x)=6(6+6)}[/tex]

[tex]\underline{\textsf{Multiply:}}[/tex]

[tex]\mathtt{25+5x = 72}[/tex]

[tex]\underline{\textsf{Subtract 25 from both sides:}}[/tex]

[tex]\mathtt{5x = 47}[/tex]

[tex]\underline{\textsf{Divide by 5:}}[/tex]

[tex]\boxed{\mathtt{x = 9.4}}[/tex]

[tex]\textsf{Let's do the same for 11.}[/tex]

[tex]\underline{\textsf{Substitute values from 11;}}[/tex]

[tex]\mathtt{10(10+y)=9(9+18)}[/tex]

[tex]\underline{\textsf{Multiply:}}[/tex]

[tex]\mathtt{100+10y=243}[/tex]

[tex]\underline{\textsf{Subtract 100 from both sides:}}[/tex]

[tex]\mathtt{10y=143}[/tex]

[tex]\underline{\textsf{Divide by 10:}}[/tex]

[tex]\boxed{\mathtt{y=14.3}}[/tex]

Answer:

Step-by-step explanation:

2

Answer:

145.95

Step-by-step explanation:

I took the test and got it right

Therefore , the solution of the given problem of polygon comes out to be

hexagon and pentagon.

In Euclidean mathematics, a simple quadrilateral of two sets of equal distances is referred to as a parallelogram. In a specific kind of quadrilateral known as a parallelogram, both set of opposite sides are straight and equal. There are four types of parallelograms, 3 of which are each mutually exclusive. Rhombuses, parallelograms, squares, but also rectangles are the four distinct shapes.

Here,

Here are two examples of shapes Tanika could make with seven toothpicks:

=> First polygon:

This is a hexagon without a triangular. It has seven edges and six sides.

=> Second polygon:

This pentagon has two line segments that stretch from its vertices on either side. It also has 7 edges and 7 sides.

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The original coordinates of triangle NLM include the following:

N (-2 , -1)

L (2 , -3)

M (4,0)

In Mathematics and Geometry, a reflection over the x-axis is modeled by this transformation rule (x, y) → (x, -y). This ultimately implies that, a reflection over the x-axis would maintain the same x-coordinate while the sign of the x-coordinate changes from positive to negative or negative to positive.

Since triangle NL'M' was reflected over the x-axis, the original coordinates of triangle NLM can be calculated as follows;

(x, y)            →      (-x, y)

(-x, y)           →      (x, y)

N'(-2, 1)       →   N (-2 , -1)

L'(2, 3)        →   L (2 , -3)

M' (4, 0)      →   M (4,0)

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Jade travelled 51/40 miles before stopping

Fractions are simply defined as the part of a whole variable or also the part of a whole number that is given.

In mathematics, fractions take different forms, such as;

From the information given, we have that;

The bike trail is about 5 1/10 miles long

Represent as an improper fraction, we get;

5 1/10 = 51/10 miles long

If Jade travelled 1/4 of the bike trail, then, we have;

1/4 × 51/10

Divide the values

51/40

1 11/40 of the trail.

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Jade rode about 1.275 miles before stopping.

A mile means unit for measuring distance. We have 1,760 yards in a mile which is the same as 5,280 feet or 63,360 inches.

To find out how many miles Jade rode before stopping, we need to multiply the length of the bike trail by the fraction of the trail that Jade rode before stopping.

The length of the bike trail is 5 1/10 miles which is converted to 51/10 miles.

Jade rode 1/4 of the trail before stopping, which we can also express as  5/20.

The number of miles Jade rode before stopping is calculated as:

= (51/10) x (5/20)

= 1.275 miles.

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Answer:

The answer is C.

Step-by-step explanation:

Answer:

211.55

Step-by-step explanation:

Answer: 215.83mm

Step-by-step explanation: to get the surface area of a cone, you need to plug in the radius (r) and the height (h) to this problem: A=Pi*r(r+{h to the power of 2+r to the power of 2} squared) so the actual problem would be A=Pi*3.7(3.7+{14.4 to the power of 2+ 3.7 to the power of 2} squared)=215.83mm

The volume of the cylinder is approximately 753.98 cubic centimeters.and the volume of the cone is approximately 600.98 cubic centimeters.

The solutions of the question are given as following :-

1.To find the radius of a cone with height 19 cm and width (diameter) 12 cm, we can use the Pythagorean theorem to relate the height, radius, and slant height of the cone. The slant height is the distance from the vertex of the cone to any point on the circular base, and it is related to the height and radius by the equation:

slant height² = height² + radius²

We know the height is 19 cm, and the diameter (width) is 12 cm, so the radius is half of the diameter, or 6 cm. We can now substitute these values into the equation for the slant height:

slant height²= 19²+ 6²

slant height² = 361 + 36

slant height² = 397

slant height ≈ 19.92 cm

Therefore, the radius of the cone is approximately:

radius = √(slant height² - height²)

radius = √(397 - 19²)

radius ≈ 5.65 cm (rounded to two decimal places)

2.Volume = (1/3) * π * radius²* height

Substituting the given values, we get:

Volume = (1/3) * π * (5.65 cm)²* 19 cm

Volume ≈ 600.98 cubic centimeters

Therefore, the volume of the cone is approximately 600.98 cubic centimeters.

3.To find the volume of the cylinder with height 15 cm and radius (width/2) 4 cm, we can use the formula for the volume of a cylinder:

Volume = π * radius² * height

Substituting the given values, we get:

Volume = π * (4 cm)² * 15 cm

Volume = π * 16 cm² * 15 cm

Volume ≈ 753.98 cubic centimeters

Therefore, the volume of the cylinder is approximately 753.98 cubic centimeters.

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Answer 1:

D. 24 sq feet

The formula to find surface area of a cube is [tex]a=6a^{2}[/tex]

Substitute 2 for a, [tex]2^{2} = 4[/tex]

6 x 4 = 24, so 24 sq feet

Answer 2:

B. 62 sq feet

The formula to find surface area of a rectangular prism is [tex]a = 2(wl+wh+hl)[/tex]

Substitute 3 for w, 5 for l, 2 for h and multiply

a = 62 sq feet

Answer 3:

C. 1296 sq inches

The formula to find surface area of a rectangular prism is [tex]a = 2(wl+wh+hl)[/tex]

Substitute 24 for w, 12 for l, 10 for h and multiply

a = 1296 sq inches

Answer:

Proofs attached to answer

Step-by-step explanation:

Proofs attached to answer