AABC ~ DEF. What sequence of transformations will move AABC onto ADEF

Answer:

Step-by-step explanation:

\(18\: girls \\ 27 \:boys\\\\Girls\:: Boys\\18 \: \:\:\:\:\:\:: 27\\\\Use\:3\:to\:divide\:through\\6:9 = 2:3\\\)

The expression which is equivalent to -5(b - 6) as required to be determined in the task content is; -5b + 30.

It follows from the task content that the expression which is equivalent to the linear expression; -5(b - 6) is to be determined.

Since the expression given is; -5(b- 6).

By using the distributive property of numbers; it follows that we have;

(-5 × b) + (-5 × -6)

-5b + 30

Therefore, the linear expression which is equivalent to -5(b - 6) as required is; -5b + 30.

P.S: A linear expression is one in which case the highest nonnegative exponent of the variable is 1.

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Answer:

30 in total that she bought

Step-by-step explanation:

Answer:

30

Step-by-step explanation:

got it right on edg 2021

Answer:

h = 59 hours

Step-by-step explanation:

Total earnings = fixed charge + variable charge

Fixed charge = $65

Variable charge = $15h

Where, h = number of hours

Total earnings = $950

Total earnings = fixed charge + variable charge

950 = 65 + 15h

Subtract 65 from both sides

950 - 65 = 65 + 15h - 65

885 = 15h

Divide both sides by 15

h = 885 / 15

= 59

h = 59 hours

There are 665280 ways to select 6 committee members from 12 members

The term permutation refers to a mathematical calculation of the number of ways a particular set can be arranged.

Also permutation can be defined as a word that describes the number of ways things can be ordered or arranged.

In a club of 12 people , 6 committee are to be selected, this means that by calculating the number of ways they can be selected, we use

n!/(n-r) !

= 12!/(12-6)!

= 12!/6!

= 12 × 11 × 10 × 9 ×8 × 7

= 665280 ways

Therefore there are 665280 ways to 6 committee members from 12 people in a club

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Answer:

15x + 28y = 116

x + y = 6

Step-by-step explanation:

Answer:

A :)

Step-by-step explanation:

Answer:

please there are no data sets, i can't see them

Answer:

a

Step-by-step explanation:

140,608 possible ways are there to draw a hand of 5 cards such that you draw 3 cards from one suit and 2 cards from another different suit.

In a standard deck of 52 playing cards, there are 13 cards in each of 4 suits: clubs, diamonds, hearts, and spades. To draw a hand of 5 cards such that you draw 3 cards from one suit and 2 cards from another distinct suit, you have several options for the suits you choose.

There are C(4,2) = 6 ways to choose 2 suits out of 4. Once you have chosen the suits, you have C(13,3) = 286 ways to choose 3 cards from one suit and C(13,2) = 78 ways to choose 2 cards from the other suit.

Therefore, the total number of ways to draw a hand of 5 cards such that you draw 3 cards from one suit and 2 cards from another distinct suit is 6 x 286 x 78 = 140,608.

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Answer:

x=8

Step-by-step explanation:

83+(12x+1)=180

It equal to 180 because the line measures to 180.

Then write out the equation and solve.

Answer:

3

Step-by-step explanation:

5x=11+4

5x=15

x=15/5

x=3

Answer:

x=3 is the answer.

Values provided below

\(\\ \tt\longmapsto sin180=0\)

\(\\ \tt\longmapsto cos270=cos90=0\)

\(\\ \tt\longmapsto csc360=1/0=\infty\)

\(\\ \tt\longmapsto tan90=\infty\)

\(\\ \tt\longmapsto cot90=0\)

\(\\ \tt\longmapsto sec270=\infty\)

Note the rule

Answer:

csc 360°

tan 90°

cot 90°

sec 270°

Step-by-step explanation:

Hope this helps

Answer:

  x = 5

Step-by-step explanation:

It can help a lot to draw a diagram, if one is not provided. There is no requirement that it be drawn to scale. It just needs to be able to show the given information.

Given angle QRS is exterior to the triangle. Its measure is the sum of the two given remote interior angles:

  8x -9 = (3x -11) +(3x +12)

  2x = 10 . . . . . . . add 9-6x and simplify

  x = 5 . . . . . . divide by 2

Answer:

D. 16          i took the quiz trust me ok? ily stay safe queen

Step-by-step explanation:

The perimeter of triangle JKL is  determined as 68 units.

The perimeter of triangle JKL is calculated as follows;

The perimeter of triangle JKL is the sum of all the distance round the triangle.

Perimeter = length JK + length LK + length JL

AL = CL = 12

Length LK = CL + CK = 12 + 8 = 20

JA = JB = 14

KB = CK = 8

Length JK = JB = KB = 14 + 8 = 22

Length JL = JA + AL = 14 + 12 = 26

The perimeter of triangle JKL is calculated as;

Perimeter = 20 + 22 + 26

Perimeter = 68 units.

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The correct matrix equation that represents the given system of equations is (b) \(\left[\begin{array}{cc}2&1\\5&3\end{array}\right]\) \(\left[\begin{array}{c}x\\y\end{array}\right]\) = \(\left[\begin{array}{c}5\\12\end{array}\right]\) .

Let's break down the process to understand why this is the correct choice.

The system of equations is:

2x + y = 5 ...(1)

5x + 3y = 12 ...(2)

To represent this system of equations in matrix form, we arrange the coefficients of the variables (x and y) in a matrix, and the constant terms on the right side of the equation in another matrix.

For equation (1), the coefficients of x and y are 2 and 1, respectively, and the constant term on the right side is 5. Therefore, the first matrix equation is:

[2 1][x] = [5]

Similarly, for equation (2), the coefficients of x and y are 5 and 3, respectively, and the constant term on the right side is 12. Therefore, the second matrix equation is:

[5 3][y] = [12]

Hence, option (b) is the correct representation of the system of equations.

Correct Question :

Which matrix equation represents the system of equations?

2x+ y =5

5x+3y -12

a) \(\left[\begin{array}{c}x\\y\end{array}\right]\) \(\left[\begin{array}{cc}2&1\\5&3\end{array}\right]\) = \(\left[\begin{array}{c}5\\12\end{array}\right]\)

b) \(\left[\begin{array}{cc}2&1\\5&3\end{array}\right]\) \(\left[\begin{array}{c}x\\y\end{array}\right]\) = \(\left[\begin{array}{c}5\\12\end{array}\right]\)

c) \(\left[\begin{array}{cc}2&5\\1&3\end{array}\right]\) \(\left[\begin{array}{c}x\\y\end{array}\right]\) = \(\left[\begin{array}{c}5\\12\end{array}\right]\)

d) \(\left[\begin{array}{cc}2&1\\5&3\end{array}\right]\) \(\left[\begin{array}{c}y\\x\end{array}\right]\) = \(\left[\begin{array}{c}5\\12\end{array}\right]\)

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Answer: Rotate 90 degrees clockwise then reflect over the x-axis

Step-by-step explanation:

Answer: Choice C. No error. Molly is correct

Note how BC is 4 units high while FG is 5 units high. We don't have a match. So there is no way the figures are the same regardless of rigid transformations.

Answer:

Its c

Step-by-step explanation:

I got it right on khan academy

Answer:

10

Step-by-step explanation:

If the scores on an exam follow an approximately normal distribution with a mean of 76.4 and a standard deviation of 6.1 points, then the minimum score needed to be in the top 7% is calculated to be 85.404.

This type of normal distribution problem can be solved by using the z-score.

Considering Z to be the standard score, μ to be the mean, and σ to be the standard deviation, the z-score formula to find the minimum score to be in the top 7% can be given as,

Z = x - μ / σ

z-score can be determined using a standard table if the p-value is known.

As the minimum score to be in the top 7% is required to be found, p-value = 0.07

In the standard table, the z-score corresponding to the p-value of 0.07 is found to be 1.476

Therefore,

1.476 = x - 76.4 / 6.1

1.476 (6.1) = x - 76.4

9.004 = x - 76.4

x = 9.004 + 76.4

x = 85.404

Hence, the minimum score required to be in the top 7% is equal to 85.404

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The given points H, I, J, and K form a parallelogram.

The slopes of the sides can be calculated using the formula:

Slope = (change in y) / (change in x)

Slope of side HI:

= (1 - (-2)) / (7 - 4) = 3 / 3 = 1

Slope of side IJ:

= (4 - 1) / (4 - 7) = 3 / (-3) = -1

Slope of side JK:

= (1 - 4) / (1 - 4) = (-3) / (-3) = 1

Slope of side KH:

= (-2 - 1) / (4 - 1) = (-3) / 3 = -1

Now, let's calculate the lengths of the sides:

Length of side HI:

= √(7-4)² + (1+2)²

= √9 + 9

= √18

Length of side IJ:

= √(4-4)² + (4-1)²

= √0+ 9

= √9

=3

Length of side JK:

= √(4-1)² + (4-1)²

= √9 + 9

= √18

Length of side KH:

= √(4-1)² + (-2-1)²

= √9 + 9

= √18

Based on the slopes and lengths, we can identify the type of quadrilateral: The given points H, I, J, and K form a parallelogram.

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Answer:

x = -1/11.

Step-by-step explanation:

I am interpreting this as:

(2x+4)/ 3 - (5x-7)/2 = 5

Multiply through by the LCM of 2 and 3 ( that is 6):

2(2x + 4) - 3(5x - 7) = 30

4x - 15x + 8 +21 = 30

-11x = 30 - 21 - 8

-11x = 1

x = -1/11.

Answer: It is the distance that -5 is form 0 on the number line

Step-by-step explanation:

We can define the absolute value of any number:

IxI as:

"The distance between the point x and the origin in the coordinate axis"

If we are in one dimension, x is just a value, and the coordinate axis will be a number line.

Then we could rewrite this as:

"is the distance between the value x and the 0 in the number line"

So:

IxI = x if x > 0

IxI = -x if x < 0.

Then:

I -5 I

Is the distance between the number -5, and the 0 in the number line, and this is:

I - 5 I = 5.

The correct option is:

"It is the distance that -5 is form 0 on the number line"

Answer:

Answer: It is the distance that -5 is form 0 on the number line

Step-by-step explanation:

Answer: Alternate interior angles and congruent angles.

Step-by-step explanation: The angles are formed when a line cuts two transversals, and they’re inside the two lines, meaning that they are congruent and alternate interior angles.

(I’ve also attached a helpful image from the web!)

Answer:

8 in

Step-by-step explanation:

Step 1: Define

A = 56

b = 7

A = bh

Step 2: Find h

h = A/b

h = 56/7

h = 8

Answer:

h= 8 inches

Step-by-step explanation:

A= bh;  b= 7 inches;    Area= 56 inches squared

56= 7h

56/7 = 7h/7

h= 8 inches

hope this helps!

An equation that mode the relationship between thee two variable is y=2x+3 .

Let x represent the number of 6-month period worked

Let y represent the total number of paid vacation day

According to the question,

When he started work, he was given three paid day of vacation. For each six-month period he pay at the job, his vacation is increased by two day.

Each year has 2 six-month periods. After 4.4 years Roberto will have worked 8.8 six-month periods. He will have been given vacation days for each of the 8 whole working periods he has completed. x=8 y=2*8+3 y=19

An equation that mode the relationship between thee two variable is y=2x+3 (Total vacation time equals 2 days times x plus the 3 days he was given at the start).

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The required value of y for the unit circle is: 2/3

The circle is defined as the locus of a point whose distance from a fixed point is constant i.e center (h, k).

The equation of the circle is given by:

(x - h)² + (y - k)² = r²

where:

h, k is the coordinate of the center of the circle on coordinate plane.

r is the radius of the circle.

Here,

Equation of the unit circle is given as,

x² + y² = 1

Now substitute the given value in the equation,

5/9 + y² = 1

y² = 1 - 5/9

y² = 4/ 9

y = √(4/9)

y = 2/3

Thus, the required value of y for the unit circle is 2/3

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The concept which is the main idea of estimating a population​ proportion is

C. Using a sample statistic to estimate the population proportion is utilizing descriptive statistics.

The concept stated in option C is not a main idea of estimating a population proportion.

Estimating a population proportion involves inferential statistics, which is concerned with making inferences or drawing conclusions about a population based on information from a sample. In this context, descriptive statistics refers to methods that summarize and describe the characteristics of a sample or population, such as measures of central tendency and variability.

The main ideas of estimating a population proportion include:

A. The sample proportion is the best point estimate of the population proportion: When estimating a population proportion, the sample proportion (the proportion observed in the sample) is commonly used as the point estimate for the population proportion. This is because it provides an unbiased estimate of the unknown population proportion.

B. Knowing the sample size necessary to estimate a population proportion is important: The sample size plays a crucial role in estimating a population proportion. A larger sample size generally leads to a more precise estimate with a smaller margin of error. Determining an appropriate sample size is essential to ensure the desired level of confidence and accuracy in the estimate.

D. We can use a sample proportion to construct a confidence interval to estimate the true value of a population proportion: Constructing a confidence interval is a common method to estimate the true value of a population proportion. By using the sample proportion along with the standard error and a chosen level of confidence, a range of values is calculated within which the true population proportion is likely to fall.

In contrast, option C refers to using a sample statistic to estimate the population proportion by utilizing descriptive statistics. However, estimating a population proportion typically involves inferential statistics rather than descriptive statistics.

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Finding slope:

Take two pairs of cordinate points from the table and use the formula y2-y1 divided by x2-x1

I choose (4,3) and (2,2)

2-3 divided by 2-4

= -1/2

Then to get the y intercept you use the formula: y=mx+b

For the x and y pick a cordinate to plug in. For m plug in your slope.

I pick (6,4)

4=-1/2×6+b

Multiply -1/2 and 6 to get -3 and plug that in

4=-3+b

Now add 3 to the -3 canceling that out to 0 and add three to the 4 making that 7

7=b

Y-intercept =7

Now plug in the slope and y-intercept into the slope intercept format and get:

Y=-1/2x+7