A wood state casket labeled 6/6XX would measure in length 6 feet 6 inches and in width

Matching the equation to choices

equation                                                classifications

2x = y + 3 and y = - 2x + 1                       consistent and independent

2x = y + 3 and 2y - 4x = -6                     consistent and dependent

2x = y + 3 and 2y - 4x = 6                       inconsistent

A system is considered to be inconsistent if there is no solution. There is no solution because the line graphs are parallel and do not overlap.

2x - y = 3... equation * 2

4x - 2y = 6

-4x + 2y  = 6

subtracting gives

8x - 4y = 0

no solution  

A system is deemed consistent if it has at least one solution.

A consistent system is independent if it only has one solution.

y = 2x - 3

y = -2x + 1

subtracting gives

0 = 4x - 4

x = 1

substituting x to get y

y = -1

A consistent system is dependent if there are an endless number of possible solutions. The two equations represent the same line when you graph them.

-y + 2x =  3 .... equation * 2

-2y + 4x =  6

2y - 4x = -6  

subtracting gives

-4y + 8x = 12 - none cancels out meaning infinite number of possible solutions

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Answer:

the fraction 5/7 is equivalent to approximately 71.4%

Step-by-step explanation:

if you divide 5/7, you'll get an answer like 0.71428

to convert decimals to fractions, you have to multiply by 100 to get 71.428

to round to the nearest tenth, round the 2 up to 3

71.43

and then, round 4 down

71.4%

hope this helped!

Answer:

Step-by-step explanation:

In order for the ratio of volumes of a cylinder, cone, and sphere to be true, the radius of each solid would have to be equal. This is because the radius is a factor in the volume formulas for all three solids:

Volume of cylinder: πr^2h

Volume of cone: (1/3)πr^2h

Volume of sphere: (4/3)πr^3

If the radius is equal in all three solids, then the volumes will be in the same ratio as the given ratio, regardless of the values of h or the surface area. Therefore, the correct answer is : The radius and the height.

Answer:

Step-by-step explanation:

0

Answer:

a

Step-by-step explanation:

Answer:a

Step-by-step explanation:

Every isometry can be expressed as composition of reflection and translation only. Also the composition of isometries is isometry. each member of ISOM+R² is either a translation or rotation.

Given that,

Show that each component of isom (r²) is either a translation or a rotation using the findings from section 3.7.

An isometry of R² is a mapping T:R²⇒R² which preserves distance.

The formula for the distance between x and y is

d(x,y)=|y-x|=√(y₂-x₂)²+(y₁-x₁)²

The preservice means,

d(x,y)=d(T(x),T(y))

A translation is an isometry.

Since,

d(Tv(x),Tv(y))=|(xv)-(y-v)|=d(x,y)

The rotation matrix, for rotating by an angle Θ, is defined as,

cosΘ     -sinΘ

sinΘ       cosΘ

Therefore, every isometry can be expressed as composition of reflection and translation only. Also the composition of isometries is isometry. each member of ISOM+R² is either a translation or rotation.

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The solution to the system of equations is (y,z) = (-23/11, 33/11).

What is the system of equations?

A system of equations is a set of one or more equations involving a number of variables. The solutions to systems of equations are the variable mappings such that all component equations are satisfied in other words, the locations at which all of these equations intersect.

To eliminate the z-terms in this system, you can multiply the first equation by 3 and the second equation by -1 and then add the resulting equations together. This will give you an equation in terms of only y, which you can then solve for y.

The resulting equation will be:

(4y + 3z) * 3 + (y - z) * -1 = (-6) * 3 + (-5) * -1

12y - 3z - y + z = -18 - 5

Combining like terms, we get:

11y = -23

Dividing both sides by 11, we get:

y = -23/11

Now that we have solved for y, we can substitute this value back into one of the original equations to solve for z. For example, substituting -23/11 for y in the first equation gives us:

4(-23/11) + 3z = -6

Solving for z, we get:

z = 33/11

Hence, the solution to the system of equations is (y, z) = (-23/11, 33/11).

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The value of angle a is 45, the value of angle b is 135, the value of angle c is 135 and d is 135.

Straight lines with little depth or width are present. You will learn about a number of lines, including transversal, intersecting, and perpendicular lines. A figure called an angle is one in which two rays originate from the same point. In this area, you might also encounter contrasting and related viewpoints.

Given that the line cutting the two parallel lines. The value of the angles will be calculated as,

Angle a will be,

a + 135 = 180

a = 180 - 135

a = 45

Angle b = 135

Angle c = 135

Angle  d = 135

Therefore, the value of angle a is 45, the value of angle b is 135, the value of angle c is 135 and d is 135.

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A hypothesis is an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true.

According to the statement, the value of Z-Stat is +2.10. And we must find the P value when H0 is rejected only in the upper tail. The Z-stat is defined as the Z-score, which indicates how much a given value differs from the standard deviation.

The Z-score, also known as the standard score, is the number of standard deviations a given data point is above or below the mean.

And we know that the P-Value is calculated by converting your statistic into a Z-Score.

As a result, the p value is 0.0179.

So, When ZSTAT = +2.10, the resulting P-Value is 0.0179.

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[tex]x = \sqrt{\frac{z-3y^{2}+9 }{3} }[/tex]   ,   [tex]x = -\sqrt{\frac{z-3y^{2}+9 }{3} }[/tex]

Step-by-step explanation:

[tex]z= -9+3x^{2} +3y^{2} : x= \sqrt{\frac{z-3y^{2}+9 }{3} } ,x = - \sqrt{\frac{z-3y^{2}+9 }{3} }[/tex]

[tex]z= -9+3x^{2} +3y^{2}[/tex] :   [tex]-9+3x^{2} +3y^{2} =z[/tex]

[tex]-9+3x^{2} = z- 3y^{2}[/tex]

[tex]3x^{2} = z - 3y^{2} +9[/tex]

[tex]\frac{3x^{2} }{3} = \frac{z}{3} - \frac{3y^{2} }{3} + \frac{9}{3}[/tex]

[tex]x^{2} = \frac{z-3y^{2}+9 }{3}[/tex]

for [tex]x^{2} =[/tex][tex]f(a)[/tex] the solutions are [tex]x= \sqrt{f(a)} , -\sqrt{f(a)}[/tex]

[tex]x = \sqrt{\frac{z-3y^{2}+9 }{3} }[/tex]  ,  [tex]x = -\sqrt{\frac{z-3y^{2}+9 }{3} }[/tex]

[tex]x = i \sqrt{\frac{z+2y^{2}-5 }{2} } , x = -i \sqrt{\frac{z+2y^{2}-5 }{2} }[/tex]

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The annual interest rate of the bank account is 2.3%

Let's check the equation for each year.

Compound Interest earned amount

A = P( 1 + r/n)ⁿˣ

A = accumulated amount

P =  original amount deposited

r =  interest rate

n = times it compounds per year

x = years

when Amount = $736.80, x = 4 years and r% → r/100

736.80 = P(1 +[(r/100)/1] ¹×⁴

736.80 = P(1 + r/100)⁴

when Amount =$788.82 , x = 7 years and r% → r/100

788.82 = P(1 +[(r/100)/1] ¹×⁷

788.82 = P(1 + r/100)⁷

using the 1st equation:

736.80 = P(1 + r/100)⁴

P = 736.80 /[(1 + r/100)⁴]

Substitute on the Using 2nd equation

788.82 = P(1 + r/100)⁷

788.82 =  736.80 /[(1 + r/100)⁴] * (1 + r/100)⁷

788.82 =  736.80 * [(1 + r/100)⁷/(1 + r/100)⁴]

788.82 = 736.80 * (1 + r/100)³

788.82/736.80 = (1 + r/100)³

∛788.82/736.80 = ∛ (1 + r/100)³

∛788.82/736.80 = (100 + r)/100

100 ∛788.82/736.80 = 100 + r

100 ∛788.82/736.80 - 100 = r

r ≈ 2.3%

Hence, the annual interest rate of the bank account is 2.3%

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By solving the given equation, we know that Courtney withdrawals $25.75 each time from her bank account.

A mathematical statement known as an equation is made up of two expressions joined together by the equal sign.

A formula would be 3x - 5 = 16, for instance.

When this equation is solved, we discover that the value of the variable x is 7.

So, we have the equation:

400-3x=322.75

Now, solve the equation for x to get the amount Courtney withdrawals each time:

400-3x=322.75

-3x = 322.75 - 400

-3x = -77.25

x = -77.25/-3

x = $25.75

Therefore, by solving the given equation, we know that Courtney withdrawals $25.75 each time from her bank account.

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Complete question:
Courtney made 3 withdrawals of equal amounts from her savings account. The equation below can be used to determine x, the amount in dollars of each withdrawal.

400-3x=322.75

What was the amount in dollars of each of Courtney's withdrawals?

answer choices

a. $24.09

b. $25.75

c. $74.25

d. $77.25

The shell from the fireworks will reach the water after 0.75 seconds or -0.625 seconds. Since the time cannot be negative, the shell will reach the water after 0.75 seconds.

To find the time it takes for the shell from the fireworks to reach the water, we need to solve the equation h = 0 for t.

The given equation for h is h = -16t^2 + 64t + 36, so we can substitute this into the equation h = 0 to get:

0 = -16t^2 + 64t + 36

To solve this equation, we can use the quadratic formula, which is:

t = (-b +/- sqrt(b^2 - 4ac)) / (2a)

In this case, a = -16, b = 64, and c = 36, so the formula becomes:

t = (-64 +/- sqrt(64^2 - 4(-16)(36))) / (-32)

Simplifying this gives us:

t = (-64 +/- sqrt(4096 - 2304)) / (-32)

which simplifies to:

t = (-64 +/- sqrt(1792)) / (-32)

Finally, simplifying gives us:

t = (-64 +/- 44) / (-32)

t = (-20 or 24) / (-32)

t = -0.625 or 0.75

Thus, the shell from the fireworks will reach the water after 0.75 seconds or -0.625 seconds. Since the time cannot be negative, the shell will reach the water after 0.75 seconds.

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On solving the question, by the help of angle sum property of triangle, we got that x= 14

Having three edges and three vertices, a triangle has three sides. The most significant characteristic of triangles is the fact that their interior angles add up to 180 degrees.

Scalene, isosceles, and equilateral triangles are the three types of triangles that can have three sides.

Now, value of x is -

(x+27)° + 70° + (x + 55)° = 180° ( Sum of  al angles in a triangle is 180°)

2x + 152 = 180°

2x = 28

x=14

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Answer:

9203 in.³

Step-by-step explanation:

V = (4/3)πr³

V = (4/3) × 3.14159 × (13 in.)³

V = 9203 in.³

The length of the hypotenuse AC is √(h² + 4).

Pythagorean theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

We have,

Right triangle ACD.

AC² = CD² + AD²

AC² = h² + 2²

AC² = h² + 4

AC = √(h² + 4)

Thus,

AC is √(h² + 4).

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I'm here trying to help my 12 yr old

Answer: 325

Step-by-step explanation:

Lets rewrite this.

35% of sweets are given out of 500.

35% of 500.

35% = 0.35

0.35 x 500 = 175

This means 175 prizes were given. Now we have to subtract.

500 - 175 = 325

We take the inverses of the function and get the results as follows:

[tex]f(1)=1+1=2\\f^{-1}(1)=\sqrt{1-1}=0\\f^{-1}(f(1))=\frac{\sqrt{\sqrt{4(1)+1} -3}}{\sqrt{2} } \\f(f^{-1} (1))=1[/tex],  [tex]f(2)=4+1=5\\f^{-1}(2)=\sqrt{2-1}=1\\f^{-1}(f(2))=\frac{\sqrt{\sqrt{4(2)+1} -3}}{\sqrt{2} } \\f(f^{-1} (2))=2[/tex], [tex]f(3)=9+1=\sqrt{10} \\f^{-1}(3)=\sqrt{3-1}=\sqrt{2} \\f^{-1}(f(3))=\frac{\sqrt{\sqrt{4(3)+1} -3}}{\sqrt{2} } \\f(f^{-1} (3))=3[/tex]

What are the inverses of a function?

A function that can change into another function is referred to as being inverse or anti. In other words, the inverse of any function "f" will take y to x if it takes x to y in the first place. The inverse function is indicated by  F^-1 if the function is denoted by F.

Given C={1,2,3}, and

[tex]f(x)=x^{2} +1\\ f^{-1}(x)=\sqrt{x-1} \\f^{-1}(f(x))=\frac{\sqrt{\sqrt{4(x)+1} -3}}{\sqrt{2} } \\f(f^{-1} (x))=x[/tex]

Now,

For C=1,

[tex]f(1)=1+1=2\\f^{-1}(1)=\sqrt{1-1}=0\\f^{-1}(f(1))=\frac{\sqrt{\sqrt{4(1)+1} -3}}{\sqrt{2} } \\f(f^{-1} (1))=1[/tex]

For C=2

[tex]f(2)=4+1=5\\f^{-1}(2)=\sqrt{2-1}=1\\f^{-1}(f(2))=\frac{\sqrt{\sqrt{4(2)+1} -3}}{\sqrt{2} } \\f(f^{-1} (2))=2[/tex]

For C=3

[tex]f(3)=9+1=\sqrt{10} \\f^{-1}(3)=\sqrt{3-1}=\sqrt{2} \\f^{-1}(f(3))=\frac{\sqrt{\sqrt{4(3)+1} -3}}{\sqrt{2} } \\f(f^{-1} (3))=3[/tex]

Hence, the solution is provided.

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Answer:

[tex]\huge\boxed{\sf \$ 7.50}[/tex]

Step-by-step explanation:

Given that,

6 inches of sandwich = $2.50

Multiply 3 to both sides

6 × 3 inches of sandwich = $2.50 × 3

[tex]\rule[225]{225}{2}[/tex]

Based on the information in the fragment, it can be inferred that Josiah's mistake is that he did not multiply the numerator and denominator by the correct number to equal 1,500 (option B). So, the correct statements are A, C, and D.

To find the proportion in this problem we have to do the following procedure:

Once we have carried out the previous steps we must continue the procedure rewriting the equation with the data obtained previously. With this information we can conclude that Josian had the necessary information to discover how many songs of each genre were played during an hour on his MP3, however he performed the wrong procedure so his result was wrong.

According to the above, we can infer that the products are not well carried out. So, Josiah's mistake is no multiplying the numerator and denominator by the correct number to equal 1,500 (option B).

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Answer:

JN

Step-by-step explanation:

Answer:  

~ Sarah = b

!!!Michael = 1/2*b + 3

~~David = b/2 + 8

!!!Hannah = 3b + 28

~~~~~Sarah = 3b/2 + 14

After solving the equation we can say that Plan A will cost $10 more than Plan B. So, D is the Correct answer

What is an Equation?

A statement that affirms the equality of two expressions connected by the equals sign "=" is known as an equation.

For illustration, 2x - 5 = 13.
The two most well-known groups of equations in algebra are the linear

equations and the polynomial equations.
P(x) = 0 can be used to represent polynomial equations with a single variable. P is a polynomial, and axe + b = 0 is the standard form for linear equations.

Here, the parameters a and b. To solve these equations, we can use geometric or computational techniques from linear algebra or mathematical analysis. There are several sorts of equations

as well, including:

linear algebra quadratic formulas cube-based equations linear equations Equations that differ Statistical equations

Plan A:- $135 + $15(no. of premium channel)
Plan A for 5 premium channels will be
=$135 + $15(5)
= $135 + $75
=$210

Plan B:-
equation
C=$(5p+180)  
p = no. of premium channel
Plan B for 5  premium channels will be equation
C = $25 + $180
= $205

Thus,
Plan A will cost $5 more than Plan B
As Plan A cost $210 and Plan B cost $205

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The smallest to largest test values of the inequality (x-4)(x-5)<0 are  

(-infinity,4) , (4,5) & (5,+infinity)

What is a inequality?

In Algebra, an inequality is a mathematical statement that uses the inequality symbol to illustrate the relationship between two expressions. An inequality symbol has non-equal expressions on both sides. It indicates that the phrase on the left should be bigger or smaller than the expression on the right, or vice versa. Literal inequalities are relationships between two algebraic expressions that are expressed using the inequality symbols.

A difference between two values indicates whether one is smaller, larger, or simply not equal to the other.

"A connection is termed an inequality if two real numbers or algebraic expressions are connected by the symbols ">," "," "," or "."

(x-4)(x-5)<0

x-4<0             or             x-5<0

x<4                or              x<5

1)

for False the test values of the inequality (x-4)(x-5)<0  from smallest to largest Lies in between (-infinity,4)

2)

for True the  test values  of the inequality (x-4)(x-5)<0 from smallest to largest Lies in between (4,5)

3)

for True the  test values of the inequality (x-4)(x-5)<0  from smallest to largest Lies in between (5,+infinity)

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The equation that represents the the total amount he paid, y, for x pounds of potatoes is y = 0.64x.

Dontrelle bought [tex]5\frac{1}{2}[/tex] pounds of potatoes for $3.52.

The equation that can be used to represent the the total amount he paid, y, for x pounds of potatoes is as follows:

rate = amount paid / weight in pounds

amount paid = $3.52

weight of potatoes = 11 / 2 pounds

rate = 3.52 ÷11 / 2

rate = 3.52 × 2  / 11

rate = 7.04 / 11

rate = 0.64 dollars per pound.

Therefore, the equation is y = 0.64x

where

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