Reflect ABC over the x axis translate by <-3,-1>, and rotate 180 degrees around the origin

For 10 animals do Jose and Nancy charge the same amount.

For, the given question;

Let there be 'x' number of animals.

Jose charges $15 plus $2 per animal.

15 + 2x

And, Nancy charges $5 plus $3 per animal.

5 + 3x

Then,

For the same amount, equate both equations.

15 + 2x = 5 + 3x

On solving;

x = 10

Thus, for 10 animals, their total charge will be equal.

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Answer:

2000.18

Step-by-step explanation:

Volume=V=(3.14)r^2h=3.14·7^2·13=2000.18.

Hope this helps.

Answer:

The next 50 phones are working? ---> 88.3%

The next 100 phones are working? ---> 93.6%

The next 500 phones are working? ---> 98.6%

Step-by-step explanation:

I hope this helps

The expressions which is equivalent to the given expression; 3^(2x -3) is; the quantity 9 to the power of x end quantity over 27.

Option (A) is correct.

It is required to choose the expressions.

Index laws are the rules for simplifying expressions involving powers of the same base number. Index (indices) is the exponent which is raised to a number.

Given:

It follows from the task content that the equivalent expression as in the task content can be determined by the laws of Indices.

Now, according to laws of indices;

[tex]3^{2x} =( 3^{2}) ^{x}[/tex]

Thus, we now have;

[tex]= (3^{2} )^{x} )/3^{3} \\= (9^{x} )/3^{3} \\= (9^{x} )/27[/tex]

Therefore, the expressions which is equivalent to the given expression; 3^(2x -3) is; the quantity 9 to the power of x end quantity over 27.

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According to the given statement the thermal conductivity is :

0.0003(W/(m* c))

Thermal conductivity is defined as the rate at which heat is transported by conduction through a unit cross-section surface of a material that whenever a temperature gradient exists perpendicular to the area.

The material's thermal conductivity is defined as the ratio of the rate of heat flow per unit area to the negative of the temperature gradient: dQdt=KAdTdx.

0.03 watts (W) per meter (m) per degree Celsius as a result, thermal conductivity is:

= 0.03(W/(m* c))

while we want the heat conductivity of the batting in w/cm•c

The only distinction is between metre and cm.

As a result, we must convert meter's to centimeters.

we are aware

1m =100cm

As a result, thermal conductivity may be written as.

= 0.03(W/(m* c))

we can replace 1m as 100cm.

= 0.03(W/(100m* c))

No simplifying the equation we get:

=  0.0003(W/(m* c))

According to the given statement the thermal conductivity is :

0.0003(W/(m* c)).

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The midpoint is at  ( -8 , 9/2 , 4)

In the given statement is

To find the midpoint of the line segment joining the pair of points

W(-12,8,10) and Z(-4,1,-2)

Midpoint:

The coordinates of the midpoint of a line segment are the average of the coordinates of the end points.

m = (A +B)/2

If we are given three points and we wish to find the midpoint of those points, we need to use the midpoint formula m =([tex]\frac{x_{1} +x_{2} }{2} , \frac{y_{1} +y_{2} }{2} , \frac{z_{1} +z_{2} }{2}[/tex] )

where:

(x1 , y1 ,z1) are the coordinates of the first point:

(x2 , y2 , z2) are the coordinates of the second point:

Now, We are given the three points W(-12,8,10) and Z(-4,1,-2)

Solving for the midpoint , we have,

m = ([tex]\frac{-12+(-4)}{2} , \frac{8+1}{2} ,\frac{10+(-2)}{2}[/tex])

m =( [tex](\frac{-16}{2} ) ,\frac{9}{2} , \frac{8}{2}[/tex])

m = ( -8 , 9/2 , 4)

Therefore, the midpoint is at  ( -8 , 9/2 , 4)

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The correct option is B. 1/11.

The probability of choosing 2 white marbles is 1/11.

A combination is an arithmetical technique for determining the number of different arrangements in a set of items in which the sequence of the selection is irrelevant.

You can choose the objects in any order in combinations. Permutations and combinations are often confused.

Now, as pet the stated question.

The total number of red marble in the bag are 5.

The total number of blue marble in the bag are 2.

The total number of white marble in the bag are 4.

The total number of yellow marble in the bag are 1.

The combination for selecting the 2 white marbles out of 4 are;

⁴C₂ = 4!/(4-2)!2!

⁴C₂ = 6

Ans, the combination for selecting the 2 marbles out of total 12 are;

¹²C₂ = 12!/(12-2)!2!

¹²C₂ = 66

Thus, the combination for selecting the 2 white marbles out of total 12 is;

= ⁴C₂ / ¹²C₂

= 6/66

= 1/11

Therefore, the the probability of outcome of the 2 white marbles out of total 12 marbles is 1/11.

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Answer:

RM350

Step-by-step explanation:

calculate 30% of RM500

= [tex]\frac{30}{100}[/tex] × 500 = 0.3 × 500 = 150

RM150 is left in the bank

and 500 - 150 = RM350 is the money he has with him

The value of x is 1.5 units

Given that a quadrilateral RSTU is circumscribed about [tex]\odot J[/tex].

Also given that the perimeter of the quadrilateral is 18 units.

Then the the sides ST, TU, UV and RS are tangents to the circle at points A, B, C and D respectively.

Then we have,

 AT = BT

 BU = UC

 RC = RD

 SD = SA

Given that AT = UC = x and RC = RD = SD = SA = 3 units

Therefore, BT = BU = x

We need to find 'x'.

Perimeter = 18 units

i.e., ST + TU + UV + RS = 18 units

⇒   AT + BT + BU + UC + RC + RD + SD + SA = 18 units

⇒ x + x + x + x + 3 + 3 + 3 + 3 = 18

⇒ 4x + 12 = 18

⇒4x = 6

⇒ x = 6/4 = 3/2

⇒ x = 1.5 units

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The slope-intercept form is y = 3/2x - 6 for line perpendicular to y = (2/3)x - 1 through (0,6)

To solve linear equations, utilize the steps that are provided below.

Lets take an example of solve z for 7z – (3z – 4) = 12

Here is no multiplication or division, so this will be easy to solve

⇒ 7z – (3z – 4) = 12

⇒ 7z – 3z + 4 = 12

⇒ 4z = 12 – 4

⇒ 4z = 8

⇒ z = 8/4

⇒ z = 2

See, that was so simple, using the mentioned methods, every linear equation can be solved easily.

In an equation, perpendicular lines have the opposite reciprocal slope. In other words, if a line's slope is a positive fraction, its reciprocal slope is negative.

Here given that y = (2/3)x - 1

Here 2/3 is the slope and 1 is the y-intercept

To find a perpendicular line to the following equation, use the opposite reciprocal slope and point, then solve using the point-slope formula.

y - y₁ = m(x - x₁)

We have, m = 3/2, x₁ = 0 and y₁ = 6

y - 6 = 3/2(x - 0)

y - 6 = 3/2x - 0

y = 3/2x - 6

We have the slope-intercept form y = 3/2x - 6 of a line  perpendicular to y = (2/3)x - 1 through (0,6)

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Using linear functions, it is found that until $77,000 in sales, Job B pays more, and for more than than, Job A pays more.

A linear function is modeled according to the following rule:

y = mx + b

In which:

For this problem, the earnings are modeled by linear functions, in which:

Hence the earnings for sales of x are given as follows:

Due to the higher intercept, until they are equal, A(x) is greater, and after that B(x) is greater, hence we have to find when they are equal as follows:

A(x) = B(x)

45050 + 0.065x = 46975 + 0.045x

0.025x = 1925ntil $77,000 in sales, Job B pays more, and for more than than, Job A pays more.

x = 1925/0.025

x = 77000.

Hence:

Until $77,000 in sales, Job B pays more, and for more than than, Job A pays more.

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Answer:

  (x, y, z) = (1, 1, 0)

Step-by-step explanation:

You want to solve the given system of equations by elimination.

There are a couple of nice choices for variables to eliminate.

The last equation has an x-coefficient that is the opposite of the x-coefficient in the other two equations. Adding that equation to those will eliminate the x-variable:

  (-2x +2y +3z) +(2x +3y +3z) = (0) +(5)   ⇒   5y +6z = 5 . . . . add eqns 1, 3

  (-2x -y +z) +(2x +3y +3z) = (-3) +(5)   ⇒   2y +4z = 2 . . . . add eqns 2, 3

The second of these equations can be divided by 2 to give ...

  y +2z = 1

Three times this equation can be subtracted from the first of the reduced equations to eliminate z:

  (5y +6z) -3(y +2z) = (5) -3(1)   ⇒   2y = 2

  y = 1 . . . . divide by 2

Now, we can substitute this value into the previous equation to find the other variables.

  y +2z = 1 = 1 +2z   ⇒   0 = 2z   ⇒   z = 0

  -2x -y +z = -3 = -2x -(1) +(0)   ⇒   -2 = -2x   ⇒   x = 1

The solution is (x, y, z) = (1, 1, 0).

__

Additional comment

The attachment shows a calculator solution to the system of equations by reducing the augmented matrix to "reduced row-echelon form." In general, that is a process of elimination. Each equation ends up with one variable having a coefficient of 1, so we have x = 1, y = 1, z = 0.

You could also start by eliminating the y-variables. Adding twice the second equation to the first will do that, as will adding 3 times the second equation to the third. The result of these operations is two equations in x and z.

The function y= |x+1| is increasing for the domain -1 < x < ∞ and decreasing for the domain -∞ < x < -1.

As given in the question, for what domain intervals is the function y= |x+1| increasing and/or decreasing is to be determined.

Here,
Given function,
f(x) = |x + 1|
Given functions absolute function,
Whose domain is all real numbers from -∞ to ∞.
And when we plot the graph of the function, we see that its decreasing from -∞ to -1 and increases from -1 to ∞.

Thus, The function y= |x+1| is increasing for the domain -1 < x < ∞ and decreasing for the domain -∞ < x < -1.

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Answer:

B= 67

Step-by-step explanation:

Being vertically opposite angle

Answer:

1. 4

2. [tex]5\frac{9}{11}[/tex]

3. [tex]7\frac{6}{16} = 7\frac{3}{8}[/tex]

4. [tex]1\frac{8}{7} = 2\frac{1}{7}[/tex]

The formula for nth term of the given sequence is [tex]T_{n+1} = T_{n} - 8[/tex].

According to the given question.

We have a sequence, 21,13,5,-3, .......

Since, the first term of the given sequence is 21.

The second term of the given sequence is 13.

Here we can see that, each term is less than 8 to the previous term. It means the common ratio of the given sequece is -8 and it is an arithmetic sequence.

Therefore, the formula for nth term of the given sequence is given by

[tex]T_{n+1} = T_{n} - 8[/tex]

Where, n is the number of term.

Hence,  the formula for nth term of the given sequence is [tex]T_{n+1} = T_{n} - 8[/tex].

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The first five terms of the sequence (geometric) are: 2, 6, 18, 54, 162.

A geometric progression, sometimes referred to as a geometric sequence in mathematics, is a series of non-zero numbers where each term following the first is obtained by multiplying the preceding one by a constant, non-zero value known as the common ratio.

Now, given formula: [tex]a_n=3a_{n-1}[/tex], a₁ = 2.

For n = 2, a₂ = 3 (a₁) = 3 (2) = 6

For n = 3, a₃ = 3 (a₂) = 3 (6) = 18

For n = 4, a₄ = 3 (a₃) = 3 (18) = 54

For n = 5, a₅ = 3 (a₄) = 3 (54) = 162.

Hence, The first five terms of the sequence (geometric) are: 2, 6, 18, 54, 162.

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A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.The ratio of dogs to  in the shelter is 10 to 8. If there are 20 cats, then 25 dogs are in the shelter.

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.

The ratio of dogs to cats in the shelter is 10 to 8. i.e 10/8

If there are 20 cats then we need to find number of dogs.

Let the number of dogs be x when there are 20 cats.

10/8=x/20

Apply cross Multiplication.

200=8x

Divide both sides by 8.

x=25.

Therefore there are 25 dogs in the shelter if the number of cats are 20.

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Answer:

-7x³+ 4x²+x+9

Step-by-step explanation:

Using the midpoint concept, the location of the point directly between the two airplanes is (-500, 1000, 2600).

The midpoint between two points is the halfway point between them, and is found using the mean of the coordinates.

For this problem, the coordinates are given as follows:

Hence the coordinates of the midpoint are given as follows:

The location is (-500, 1000, 2600).

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Answer:

after 5 hours: 14.5 inches

after t hours: 2 + 2.5t

Step-by-step explanation:

2 + 2.5t

2 + 2.5(5) = 2 + 12.5 = 14.5

The equation of the circle with radius 10 and center located at (1 , -3) is (x - 1)^2 + (y + 3)^2 = 100.

The general form of the equation of  circle is given by (x - h)^2 + (y - k)^2 = r^2, where (h , k) is the location of the center and r is the radius of the circle.

Given the radius and center of the circle, substitute these values to the general form of the equation of the circle.

(x - h)^2 + (y - k)^2 = r^2

where (h , k) = (1 , -3)

r = 10

(x - 1)^2 + (y - -3)^2 = 10^2

(x - 1)^2 + (y + 3)^2 = 100

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Answer:

X = 3 and -7

Step-by-step explanation:

area of a triangle is = ½ ×base × height

By elimination, the solution of the system of equations, 2r + s = 3 and 4r - s = 9, is (r , s) = (2 , -1).

A system of equations is a set of two or more equations which includes common variables. To solve system of equations, we must find the value of the unknown variables used in the equations that must satisfy all the equations.

There are three methods that can be used to solve system of equations.

1. Elimination

2. Substitution

3. Graphing

Using the elimination method, given two equations in r and s, a variable should be eliminated by adding/subtracting the two equations.

Adding the two equations will eliminate the variable s.

2r + s = 3     (equation 1)

4r  - s = 9     (equation 2)

6r       = 12

r = 2

Substitute the value of r to any of the two equations and solve for s.

2r + s = 3     (equation 1)

2(2) + s = 3

s = 3 - 4

s = -1

Hence, the solution of the system of equations is (r , s) = (2 , -1).

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Using the graph, the value of r(-2) is 8

From the question, we are to determine the value of r(-2)

The given graph is the graph of the function r(x), and we have that

y = r(x)

To determine the value of r(-2), we will trace from the point where x = -2 on the graph to the parabola (the curve of a quadratic function), and then read the corresponding value on the y-axis by tracing this point to the y-axis.

On the graph, if we trace from the point x = -2, to the curve, we will find out that the value of y is 8.

Thus,

From y = r(x), we can write that

8 = r(-2)

∴ r(-2) = 8

hence, the value of r(-2) is 8

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Answer:

C

Step-by-step explanation:

[tex]Answer:\ f^{-1}(x)=\sqrt[3]{x} -4[/tex]

Step-by-step explanation:

[tex]f(x)=(x+4)^3[/tex]

Extract the cube root from both parts of the equations:

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

Redefine the variables:

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

By combining the like terms, the simplified form of the expression -5a-4a+b is -9a+b

Given,

The algebraic expression = -5a-4a+b

Combine the like terms

-5a-4a+b=(-5-4)a+b

=-9a+b

simplified form is -9a+b

Hence, By combining the like terms, the simplified form of the expression -5a-4a+b is -9a+b

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The vakues based on the function f(x) = -x² + x + 6 will be:

12

0

12

When x = -2, the value will be:

f(x) = -x² + x + 6

= -2² + 2 + 6

= 4 + 2 + 6

= 12

When x = 0

f(x) = -x² + x + 6

= 0² + 0 + 6

= 0

When x = 2

f(x) = -x² + x + 6

= 2² + 2 + 6

= 12

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