x (3x-1) + (3x-1) = 0

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.

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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The area of the triangle with sides 26 feet, 18 feet, and 9 feet is approximately 125.6 square feet.

To find the area of a triangle while given three aspects, we are able to use Heron's formula, which states that the region of a triangle with facets a, b, and c is given by means of:

area = √(s(s-a)(s-b)(s-c))

where s is the semiperimeter, calculated as:

s = (a + b + c) / 2

plugging inside the given values, we get:

s = (26 + 18 + 9) / 2 = 26.5

area = √26.5(26.5-26)(26.5-18)(26.5-9))

area = √(26.50.58.5×17.5)

area = √(15793.75)

area ≈ 125.6 square feet

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Answer:

Step-by-step explanation:

2

Answer:

145.95

Step-by-step explanation:

I took the test and got it right

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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Angle measure [tex]\frac{23 \pi}{3}[/tex] is associated with the coordinate [tex]\left({\frac{1}{2}}\;-{\frac{\sqrt{3}}{2}}\right)$[/tex]

Angle measure [tex]-\frac{3 \pi}{4}[/tex] is associated with the coordinate [tex]\left(-{\frac{\sqrt{2}}{2}},-{\frac{\sqrt{2}}{2}}\right)[/tex]

Angle measure 150° is associated with the coordinate [tex]\left(-{\frac{\sqrt{3}}{2}},{\frac{1}{2}}\right)$[/tex]

An angle is fοrmed when twο lines οr rays meet at a cοmmοn pοint. The cοmmοn pοint is knοwn as the vertex.

In geοmetry, an angle measure can be defined as the measure οf the angle fοrmed by the twο rays οr arms at a cοmmοn vertex.

Angles are measured in degrees (°) using a prοtractοr. A prοtractοr is a measuring device that is used tο calculate οr draw angles in terms οf degrees.

Check the figure given in the attachment to better understand

Angle measure [tex]\frac{23 \pi}{3}[/tex] is associated with the coordinate [tex]\left({\frac{1}{2}}\;-{\frac{\sqrt{3}}{2}}\right)$[/tex]

Angle measure [tex]-\frac{3 \pi}{4}[/tex] is associated with the coordinate [tex]\left(-{\frac{\sqrt{2}}{2}},-{\frac{\sqrt{2}}{2}}\right)[/tex]

Angle measure 150° is associated with the coordinate [tex]\left(-{\frac{\sqrt{3}}{2}},{\frac{1}{2}}\right)$[/tex]

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Answer:

y = -1/3x - 5

Step-by-step explanation:

The slope-intercept form is y = mx + b

m = the slope

b = y-intercept

Slope = rise/run or (y2 - y1) / (x2 - x1)

Points (-6, -3) (6, -7)

We see the y decrease by 4, and the x increase by 12, so the slope is

m = -4/12 = -1/3

Y-intercept is located at (0, -5)

So, our equation is y = -1/3x - 5

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)?

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:

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.

Answer:check explanation

Step-by-step explanation:1. √25 is a rational number because it is equal to 5, which is a rational number.

2. 4.31 is a rational number because it can be expressed as the ratio of two integers (431/100).

3. -2/2 is a rational number because it can be simplified to -1, which is a rational number.

4. √18 is an irrational number because it cannot be expressed as the ratio of two integers. It is approximately equal to 4.242640687119285.

5. 7 is a rational number because it can be expressed as the ratio of two integers (7/1).

6. Pi is an irrational number because it cannot be expressed as the ratio of two integers or as a terminating or repeating decimal. It is approximately equal to 3.141592653589793.

7. √50 is an irrational number because it cannot be expressed as the ratio of two integers. It is equal to √(25*2) which simplifies to 5√2.

8. -5 is a rational number because it can be expressed as the ratio of two integers (-5/1).

9. 1/3 is a rational number because it can be expressed as the ratio of two integers (1/3 = 0.33333...).

10. 0 is a rational number because it can be expressed as the ratio of two integers (0/1).

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

Therefore , the solution of the given problem of volume comes out to be  Lake B's volume is roughly as follows is 5.28760675 cubic metres.

The volume of a three-dimensional item, which is measured in cubic units, describes how much room it occupies. Cubic measurements are represented by the symbols litre and in3. However, you can calculate an object's measurements using its bulk. In most cases, the item's weight is transformed into mass units like kilogrammes and kilos.

Here,

=> Lake B's capacity is 2.5 times greater than Lake A's.

=>  Lake B's volume is 2.5 times that of Lake A.

=>  Lake B's volume is 2.5 x 21,150,427,000.

=> Lake B has a volume of 52,876,067,500.

By moving the decimal point until there is only one non-zero digit left of the decimal point, we can represent this number as the sum of a single integer and a power of 10. We need to multiply by 1010 to account for the fact that we shifted it 10 positions to the left.

Therefore, Lake B's volume is roughly as follows:

=> 5.28760675 cubic metres

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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 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:

$53.60

Step-by-step explanation:

Answer:

The answer is C.

Step-by-step explanation:

Answer:

Proofs attached to answer

Step-by-step explanation:

Proofs attached to answer

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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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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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: 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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Answer:

429

Step-by-step explanation:

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 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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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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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?

Matching each number with its name, 1,254 :: whοle number

Whοle numbers are a set οf numbers including all natural numbers and 0. They are a part οf real numbers that dο nοt include fractiοns, decimals, οr negative numbers. Cοunting numbers are alsο cοnsidered as whοle numbers.

Whοle numbers are pοsitive integers (including zerο) withοut any fractiοnal οr decimal parts. They are used tο cοunt whοle οbjects οr things, and cannοt represent a part οf a whοle. Examples are 0, 1, 2, 3, 4, 5, and sο οn.

0.143143143.... :: repeating decimal

0.123456789..... :: nοn-terminating/nοn-repeating

0.13 :: terminating

1,254 :: whοle number

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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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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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