Help please, Thank you

Help Please, Thank You

Answers

Answer 1

The inverse of the matrix is

[tex]$$\left[\begin{array}{cc}1 & -\frac{1}{2} \\-3 & 2\end{array}\right]$$[/tex]

What is the inverse matrix?

Generally, The inverse of a [tex]$2 \times 2$[/tex] matrix can be found using the formula [tex]$\frac{1}{a d-b c}\left[\begin{array}{cc}d & -b \\ -c & a\end{array}\right]$[/tex] where a d-b c is the determinant.

Find the determinant.

Since the determinant is non-zero, the inverse exists.

Substitute the known values into the formula for the inverse.

[tex]\frac{1}{2}\left[\begin{array}{cc}2 & -1 \\-6 & 4\end{array}\right][/tex]

Multiply 1/2 by each element of the matrix.

[tex][\begin{array}{cc}\frac{1}{2} \cdot 2 & \frac{1}{2} \cdot-1 \\\frac{1}{2} \cdot-6 & \frac{1}{2} \cdot 4\end{array}\right][/tex]

Simplify each element in the matrix.

[tex]$$\left[\begin{array}{cc}1 & -\frac{1}{2} \\-3 & 2\end{array}\right]$$[/tex]

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Related Questions

Answer the following payroll calculations

1. If you make $14 an hour and you work 32 hours a week, what is your gross pay for the week?

2. What is your net pay, if you have Federal taxes taken out at 10%, State taxes at 4.5% and FICA at 6%?

3. If you make $17 an hour and you work 40 hours a week, what is your gross pay for the week?

What is your net pay, if you have Federal taxes taken out at 10%, State taxes at
4.5% and FICA at 6%?

4. If you make $20 an hour and you work 40 hours a week, You also worked 5 hours of overtime, at time and a half, what is your gross pay for the week?

5. What is your net pay, if you have Federal taxes taken out at 14%, State taxes at 4.5% and FICA at 6%?

Answers

Answer:

   1. Gross pay = hourly rate x hours worked

   Gross pay = $14 x 32 = $448

   2. Net pay = gross pay - deductions

   Federal taxes = 10% of gross pay = 0.1 x $448 = $44.80

   State taxes = 4.5% of gross pay = 0.045 x $448 = $20.16

   FICA = 6% of gross pay = 0.06 x $448 = $26.88

   Total deductions = $44.80 + $20.16 + $26.88 = $91.84

   Net pay = $448 - $91.84 = $356.16

   3. Gross pay = hourly rate x hours worked

   Gross pay = $17 x 40 = $680

   4. Regular pay = hourly rate x hours worked

   Regular pay = $20 x 40 = $800

   Overtime pay = (hourly rate x 1.5) x overtime hours

   Overtime pay = ($20 x 1.5) x 5 = $150

   Gross pay = regular pay + overtime pay

   Gross pay = $800 + $150 = $950

   5. Net pay = gross pay - deductions

   Federal taxes = 14% of gross pay = 0.14 x $950 = $133

   State taxes = 4.5% of gross pay = 0.045 x $950 = $42.75

   FICA = 6% of gross pay = 0.06 x $950 = $57

   Total deductions = $133 + $42.75 + $57 = $232.75

   Net pay = $950 - $232.75 = $717.25

Step-by-step explanation:

Jose receives a dividend of $1.36 on each of his 398 shares. How many shares can he buy at $15.88?

Answers

Answer:

Jose can buy 0.086 shares at $15.88 with his dividend of $1.36 on each of his 398 shares.

Step-by-step explanation:

i don’t know what to do

Answers

The table of values for the equation of line y = ( -3/4 )x + 3 is given by

x = { -4 , 0 , 4 , 8 }

y = { 6 , 3 , 0 , -3 }

What is an Equation of a line?

The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

And y - y₁ = m ( x - x₁ )

y = y-coordinate of second point

y₁ = y-coordinate of point one

m = slope

x = x-coordinate of second point

x₁ = x-coordinate of point one

The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Given data ,

Let the equation of line be represented as A

Now , the value of A is

y = ( -3/4 )x + 3

Now , the slope of the line is m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Slope m = -3/4

when x = -4

y = ( -3/4 ) ( -4 ) + 3

y = 3 + 3

y = 6

when x = 0

y = ( -3/4 ) ( 0 ) + 3

y = 0 + 3

y = 3

when x = 4

y = ( -3/4 ) ( 4 ) + 3

y = -3 + 3

y = 0

when x = 8

y = ( -3/4 ) ( 8 ) + 3

y = -6 + 3

y = -3

Hence , the table of values are x = { -4 , 0 , 4 , 8 } and y = { 6 , 3 , 0 , -3 }

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On an analog clock, the hour hand rotates 30 degrees as the second hand rotates 21,600 degrees. Which equation correctly relates the variables defined below?

h: angular motion of the hour hand, in degrees

s: angular motion of the second hand, in degrees
A. s = 648h
B. s = 720h
C. s = 3,600h
D. s = 4,320

Answers

The angular motion of the second hand is 720 h , we also have to know the meaning of angular motion.

What is Angular Motion?

The body moving along the curved path at a constant angular velocity can be used to describe the angular motion.

As there are 12 hours on a clock, every hour means 360/12 = 30° rotation for the hour hand.

so, for each hour the second hand moves 21600°.

that means 21600/360 = 60 full rotations.

that means one rotation of the second hand is 1 minute.

so, the second hand is truly a second hand (counting the seconds).

60 seconds in a minute (a full rotation by the second hand), that means each second corresponds to 360/60 = 6° rotation of the second hand.

[tex]the \ ratio \ is\ \frac{30}{21600} = \frac{3}{2160} = \frac{1}{720}[/tex]

that means for every degree the hour hand moves, the second hand does 2 full rotations (2×360°).

h = s×30/21600 = s/720

s = 720 h.

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The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 38 and a standard deviation of 8. Using the 68-95-99.7 rule, what is the approximate percentage of lightbulb replacement requests numbering between 38 and 54?

Answers

By answering the supplied question, we may infer that the response is standard deviation As a result, 95% of requests for lightbulb replacements with a total number between 38 and 54 are in this range.

What is standard deviation?

A statistic known as standard deviation may be used to indicate the variation or variability of a set of statistics. A low standard deviation means that the values tend to be closer to the established mean whereas a large standard deviation shows that the values are widely spread. The standard deviation serves as a gauge for how far the data are from the mean (or ). The data tend to cluster around the mean when the standard deviation is low, and are more scattered when the standard deviation is high. Standard deviation is a measurement of the data set's average variability. It displays the standard deviation of each score with respect to the mean.

The rule states approximately:

One standard deviation from the mean is shared by 68% of the requests.

The average request is within two standard deviations in 95% of cases.

The average request falls within three standard deviations in 99.7% of cases.

a mean three standard deviations away:

38 8 = 30 to 46 with one standard deviation

two standard deviations: 22 to 54 for 38 2(8)

38 3(8) = 14 to 62 for three standard deviations

We know that almost 95% of the requests fall within this range since we are interested in the proportion of requests between 38 and 54, which is within two standard deviations of the mean. As a result, 95% of requests for lightbulb replacements with a total number between 38 and 54 are in this range.

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The soccer team raised $45.50 for new equipment. They spent $42.75 on shin guards and shirts. How much money did they have left?

Answers

Answer: This is for college? lol the answer should be $2.75

Step-by-step explanation:

45.50-42.75= 2.75

Can you please help on this question

Answers

Answer: It would be 10.5

Step-by-step explanation:

You are inputting R or radius into question the radius is given to you which  is 10.5

What does "things" refer to? Choose the word that completes the sentence.
The store was crammed with racks of used clothes. "How
pretty!" Mama said with a sigh as she stopped to examine
some silky scarves and beaded necklaces. "But we're here to
find things for you girls, not me."
"But we're here to find
for you girls, not me."
necklaces
clothes
racks
scarves

Answers

the answer is clothes ;)

In the equation - cd which of the four letters a, b, c or d cannot be zero, in- order that the equation is NOT undefined?​

Answers

The equation -cd is always defined, regardless of the values of the variables c and d.

What is a linear equation?

A linear equation is an equation that has the variable of the highest power of 1. The standard form of a linear equation is of the form Ax + B = 0.

We are given that;

The equation cd

Now,

The equation -cd is always defined, regardless of the values of the variables c and d.

The expression -cd represents the product of two numbers, -c and d. Multiplication is a well-defined operation for all real numbers, including zero. so, neither c nor d need to be non-zero for the expression to be defined.

Therefore, the equation -cd is defined for all values of a, b, c, and d, including zero

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In a different plan for area codes,the first digit could be any number from 3 through 7, the second digit was either 6,7,or8, and the third digit could be any number except 6 or 7. With this plan, how many different area codes are possible?

Answers

Answer:

Step-by-step explanation:

According to the given plan   for area codes, the first digit can be any number from 3 through 7, the second digit can be 6, 7, or 8, and the third digit can be any number except 6 or 7.

There are 5 possible choices for the first digit (3, 4, 5, 6, or 7), 3 possible choices for the second digit (6, 7, or 8), and 8 possible choices for the third digit (0, 1, 2, 4, 5, 8, 9). This is because there are 10 possible digits in total, but we cannot use 6 or 7 for the third digit.

Using the multiplication principle of counting, we can multiply these choices together to find the total number of possible area codes:

5 x 3 x 8 = 120

Therefore, there are 120 different area codes possible with this plan.

Nico, Aditi, Erick, Raj, and Sandra are solving the equation. Two-fifths (5 + x) = 8 Each student begins to solve the problem as shown. Nico Aditi Erick Two-fifths (5 + x) = 8. (Five-halves) two-fifths (5 + x) = 8 (five-halves) Two-fifths (5 + x) = 8. Five-halves (5) + five-halves x = (five-halves) 8 Two-fifths (5 + x) = 8. Two-fifths (5 + x) minus 5 = 8 minus 5 Raj Sandra Two-fifths (5 + x) = 8. (one-half) two-fifths (5 + x) = 8 (one-half) Two-fifths (5 + x) = 8. two-fifths (5) + two-fifths x = 8 Which students are correct in their approach to solving the problem? Select three options. Nico Aditi Erick Raj Sandra

Answers

The correct students are Nico, Aditi, and Erick.

What is equation?

An equation is a formula that uses the equals sign to connect two expressions to show that they are equal.

The correct approaches to solving the equation are those that lead to the correct solution. We can check which students are correct by solving the equation and seeing if their approach leads to the correct answer.

Two-fifths (5 + x) = 8

Multiplying both sides by 5 gives:

5/5 * two-fifths (5 + x) = 5/5 * 8

One-fifth (5 + x) = 8/5

One-fifth (5) + One-fifth x = 8/5

1 + One-fifth x = 8/5

Subtracting 1 from both sides gives:

One-fifth x = 3/5

Multiplying both sides by 5 gives:

x = 3

So the solution is x = 3.

From the given approaches, Nico, Aditi, and Erick are correct. Their approaches are equivalent to the correct approach:

Two-fifths (5 + x) = 8

(5/2) * two-fifths (5 + x) = (5/2) * 8

(5/2) * (5/5 + x/5) = 20/5

5/2 + (5/2)x/5 = 4

5/2 + x/2 = 4

x/2 = 3/2

x = 3

Raj and Sandra's approaches are not correct, as they made errors in their calculations. Therefore, the correct students are Nico, Aditi, and Erick.

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How do i simply the answer???

Answers

Using trigonometric identity,  the exact value of sin(A + B) in simplest radical form is 17√5 / 25√13.

What is the exact value of sin(A + B)

We can use the trigonometric identity for the sine of the sum of two angles:

sin(A + B) = sin(A)cos(B) + cos(A)sin(B)

We know that Tan A = 8 and that angle A is in quadrant 1. We can use the fact that Tan A = sin(A)/cos(A) to find sin(A) and cos(A)

[tex]Tan A = sin(A)/cos(A)\\sin(A) = Tan A * cos(A) = 8 * (1 / \sqrt(1 + Tan^2 A)) = 8 / \sqrt(65)\\cos(A) = 1 / \sqrt(1 + Tan^2 A) = 1 / \sqrt(65)[/tex]

We also know that sin B = 1/sqrt(5). Since angle B is in quadrant 1, we can use the Pythagorean identity cos^2(B) + sin^2(B) = 1 to find cos(B):

[tex]cos(B) = \sqrt(1 - sin^2(B)) = \sqrt(1 - 1/5) = 2\sqrt(5) / 5[/tex]

Now we can substitute these values into the formula for sin(A + B):

sin(A + B) = sin(A)cos(B) + cos(A)sin(B)

[tex](8 / \sqrt(65)) * (2\sqrt(5) / 5) + (1 / \sqrt(65)) * (1 / \sqrt(5)) = (16\sqrt(5) + 1) / (5\sqrt(325))[/tex]

We can simplify this fraction by multiplying the numerator and denominator by √5:

[tex]sin(A + B) = ((16\sqrt(5) + 1) / (5\sqrt(325))) * (\sqrt(5) / sqrt(5))\\ = (16\sqrt(5) + \sqrt(5)) / (25\sqrt(13))\\ = (17\sqrt(5)) / (25\sqrt(13))[/tex]

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You are taking a survey to determine the most popular pizza ordered at the local pizza shop. Which of the examples below will give a random sample of the population? Select all that apply. A) Watching people order pizza one night each week for a month B) Asking your friend what his favorite pizza is C) Having 50 customers rate their favorite pizza as they order D) Asking 5 people at the pizza shop what they ordered Hint Video This feature does not work with a screen reader. Please use shapes, lines, or other tools available below to annotate the page. Pressing enter on this button enables or disables the feature. Pen Tools Answer checkboxes A

Answers

Answer:

A

Step-by-step explanation:

It is A because people will order what they want.

B will not be a random sample because it is your friend, not a random person.

C a customer may be ordering another pizza that is not their favorite.

D Five is not enough and you may be bias (Ex: You need to ask 1 more person and there are 2 people: one with a dog, and one without. Let's say you like dogs, than you may go to the dog person more likely)

Leonard is making a window in a wall that is shaped like a parallelogram.

What is the area of the window?




80 in²


96 in²

108 in²

512 in²

Answers

Answer:

96in²

Step-by-step explanation:

64+((4*8/2)*2)=96in²

which choice is equivalent to the product below? √5x • √x+3

Answers

Answer:

Below

Step-by-step explanation:

sqrt(5x) * sqrt(x+3)  = sqrt ( 5x * x + 5x * 3) = sqrt ( 5x^2 + 15x)

James and Kaitlin are each factoring the trinomials shown. Which factor do their trinomials have in common?

Answers

The common factor of the trinomials x² - 7x - 18 and x² + 14x + 24 is (x + 2).

How to factor trinomial?

The above polynomials are trinomials. A trinomial is a polynomial with three terms. Let's factor the trinomials and find what they have in common.

Hence,

James factors x² - 7x - 18.

x² - 7x - 18

x² + 2x - 9x - 18

x(x + 2) - 9(x + 2)

(x - 9)(x + 2)

Kaitlin factors x² + 14x + 24.

Hence,

x² + 14x + 24

x² + 2x + 12x + 24

x(x + 2)+ 12(x + 2)

(x +2)(x + 12)

Therefore, the common factor is (x + 2)

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Use a power-reducing identity to rewrite the following expression below in terms containing only first powers of cosine. sin^4(x)

Answers

The expression in terms of cosine is (1 - cos^2(x))^2

How to rewrite the expression in terms of cosine

From the question, we have the following parameters that can be used in our computation:

sin^4(x)

This can be expressed as

sin^4(x) = (sin^2(x))^2

As a general rule:

sin^2(x) = 1 - cos^2(x)

Using the above as a guide, we have the following equation

sin^4(x) = (1 - cos^2(x))^2

Hence, the solution is (1 - cos^2(x))^2

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Emmy watson is buying a new oven for 915.00. She made a down payment of 20% and financed the remainder. How much did she finance

Answers

Answer:

$732.00

Step-by-step explanation:

Down payment 20% of 915.00

20% = 0.2

915 x 0.2 = $183.00

Down payment = $183.00

Financed the remainder:

915.00 - 183.00 = $732.00

So, she finance $732.00

Can you answer the question? TKSSS

Answers

Answer:

[tex]\frac{7}{2}[/tex] π

Step-by-step explanation:

To find the arc length of the partial circle, you have to find a fourth of the circumference

C = [tex]\frac{1}{4}[/tex] πd - Formula

C = [tex]\frac{1}{4}[/tex] 14π - Plug in values

C = [tex]\frac{14}{4}[/tex] π - Simplify/Solve

C = [tex]\frac{7}{2}[/tex] π

The height of this right circular cylinder is 3 feet and its base has a radius of 5 feet. What is the surface area of this cylinder in terms of π?

Answers

The surface area of this cylinder will be 80π ft².

What is Total surface area ?

Total surface area is the total area, which includes the curved portion and any bases. It refers to the entire surface area of the thing. The total area will be equal to the sum of the two areas if the shape has a curved base and surface.

Given : height of cylinder = 3 ft

          radius of base of cylinder = 5 ft

We know that, Total surface area of cylinder = 2πrh + 2πr²

                                                                          = 2πr(h+r)

So, The surface area of given cylinder =  2π × 5 ( 3+5)

                                                                 = 10π (8)

                                                                 = 80π ft²

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4
1

Choose 3 answers:
Choose 3 answers:
(Choice A)

1
−1minus, 1
A

1
−1minus, 1
(Choice B)
0
00
B
0
00
(Choice C)

3
4

4
3

minus, start fraction, 3, divided by, 4, end fraction
C

3
4

4
3

minus, start fraction, 3, divided by, 4, end fraction
(Choice D)
1
11
D
1
11
(Choice E)
1
1
4
1
4
1

1, start fraction, 1, divided by, 4, end fraction
E
1
1
4
1
4
1

Answers

The three fraction are:

A) -1/2 and 1/2

C) -3/4 and 4/3

E) 1/4

What is expression?

One or more variables or numbers are combined with one additional action to form an expression.

To answer this question, we need to evaluate the given expression:

-1/4

This is a fraction with a negative numerator and a positive denominator. It represents a number that is less than zero, but closer to zero than to negative one.

To choose three answers from the options provided, we need to look for fractions and numbers that are close in value to -1/4.

Here are three possible answers:

Choice A: -1/2 and 1/2. These are fractions that are larger in magnitude than -1/4 and represent numbers that are further away from zero.Choice C: -3/4 and 4/3. These are fractions that are larger in magnitude than -1/4 and represent numbers that are further away from zero.Choice E: 1/4. This is a fraction that is smaller in magnitude than -1/4 and represents a number that is closer to zero.

Therefore, the three answers are:

A) -1/2 and 1/2

C) -3/4 and 4/3

E) 1/4

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Test scores for two classes are compared to determine which class exhibits a larger spread of scores.

Class A scores: {67, 78, 45, 98, 88, 86, 94, 85, 83, 88, 89, 69}

Class B scores: {68, 98, 87, 81, 92, 74, 100, 72, 65, 78, 93, 79}

Select from the drop-down menus to correctly complete the statements.

Question 3 options:

Class A


Class B

1.
According to the range for each set of scores, ____________ has a larger spread of scores.

2.
According to the interquartile range for each set of scores, ____________ has a larger spread of scores.

Answers

According to the range for each set of scores, Class A has a larger spread of scores. According to the interquartile range for each set of scores, Class B has a larger spread of scores.

Describe Interquartile Range?

In statistics, the interquartile range (IQR) is a measure of variability that represents the spread of the middle 50% of a dataset. The IQR is calculated by subtracting the first quartile (Q1) from the third quartile (Q3). Quartiles divide a dataset into four equal parts, with the first quartile representing the 25th percentile and the third quartile representing the 75th percentile.

The interquartile range is useful because it is less sensitive to outliers than the range, which is calculated by subtracting the minimum value from the maximum value. Outliers are extreme values that are significantly different from the other values in the dataset and can skew the results of statistical analyses.

According to the range for each set of scores, Class A has a larger spread of scores.According to the interquartile range for each set of scores, Class B has a larger spread of scores.

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How do you solve this

Answers

Answer:

y= -2

X= 7

[tex]using \: elimination \: method \\ x + 3y = 1 \\ - 3x - 3y = - 15 \\ add \: the \: two \: equations \\ - 2x = - 14 \\ divide \: both \: sides \: by \: 2 \\ x = 7 \\ replace \: x \: with \: 7 \: to \: find \: value \: of \: y \\ (7) + 3y = 1 \\ y = - 2[/tex]

what is 1 inch longer than 7 3/4

Answers

Answer:

8 3/4

Step-by-step explanation:

1 + 7 3/4 = 8 3/4 bbbbbbbbbbbbbb

a set of data with a mean of 45 and a standard deviation of 5 is normally distributed. find each value, given its distance from the mean

A set of data with a mean of 90 and a standard deviation of 3.5 is normally distributed. Find each given value, given its distance from the mean

Answers

For the given information, the standard deviation are 30 and 103.25 respectively.

What is standard deviation?

The standard deviation measures the amount of variability or dispersion in the data set. It is the square root of the average of the squared deviations from the mean.

We can use the properties of a normal distribution to find the values given their distance from the mean. In particular, we can use the standard deviation to determine how far a given value is from the mean in terms of the number of standard deviations.

For the set of data with a mean of 45 and a standard deviation of 5:

A value that is 1 standard deviation above the mean is at 45 + 5 = 50

A value that is 2 standard deviations above the mean is at 45 + 2(5) = 55

A value that is 3 standard deviations below the mean is at 45 - 3(5) = 30

For the set of data with a mean of 90 and a standard deviation of 3.5:

A value that is 1 standard deviation above the mean is at 90 + 3.5 = 93.5

A value that is 2 standard deviations below the mean is at 90 - 2(3.5) = 83

A value that is 3.5 standard deviations above the mean is at 90 + 3.5(3.5) = 103.25

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11.
Jolie’s time at work increases from 25 hours per week to 30 hours per week. By what percentage did the time at work per week increase?

Show your mathematical calculations below. Describe how you determined the percentage that Jolie's time at work increased.

Answers

Jolie's working time increased by 20 %

What is percentage?

A percentage is a portion of a whole expressed as a number between 0 and 100 rather than as a fraction.

Given that, Jolie’s time at work increases from 25 hours per week to 30 hours per week, we need to find that by  what percentage did the time at work per week increase,

Using the concept of percentage,

Initial working hours = 25 hours per week

Final working hours = 30 hours per week

Increased hour = 30 - 25 = 5 hours

Percentage increased = 5 / 25 x 100 = 20%

Hence, Jolie's working time increased by 20 %

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yvette is making a blanket. she is going to the craft store for supplies. she wrote her measurements as decimals.

Answers

For the 4.6 yards of fabric, she should use 9/2, and for the 1.83 feet of cording, she should use 9/5.

What are fractions?

A fractional number is any numerical value that is not a whole number. It is a number that has been divided into two or more equal parts, such as 1/2, 3/4, 5/8, and 7/16. Fractional numbers are also known as rational numbers.

Yvette needs 4.6 yards of fabric for her blanket. She can convert this decimal measurement into a fraction by dividing the decimal by 1. This yields 4.6/1 or 46/10.

Yvette also needs 1.83 feet of cording for the border of her blanket. She can convert this decimal measurement into a fraction by dividing the decimal by 1. This yields 1.83/1 or 183/100.

To make sure she has the right amount of materials, Yvette should use the numbers from the box to write each measurement as a fraction. For the 4.6 yards of fabric, she should use 9/2, and for the 1.83 feet of cording, she should use 9/5. By writing the measurements as fractions, Yvette can be sure to have the right amount of fabric and cording for her project.

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Question: 'Yvette is making blanket: She is going to the craft store for supplies. She wrote her measurements as decimals. Yvette needs 4.6 yards of fabric: She also needs 1.83 feet of _ cording for the border: Use numbers from the box to write each measurement as a fraction. yards of fabric: feet of cording: " 90'

Using a protractor and a ruler draw a triangle with a side length of 4 inches that is between angles of 50 and 65

Answers

Using a protractor and a ruler we drew a triangle with a side length of 4 inches that is between angles of 50 and 65 as shown in the figure.

What are triangles?

A triangle is a polygon with three vertices and three sides. The angles of the triangle are formed by the connection of the three sides end to end at a point. The triangle's three angles add up to 180 degrees in total. The total of a triangle's three sides is the perimeter of the triangle. The space a triangle occupies is known as its area. The area is obtained by taking half of the product of base and altitude.

Now we are asked to draw a triangle with a side length of 4 inches that is between angles of 50° and 65°.

First, let us mark the 50° angle.

Draw a straight line of 4 inches using the ruler as the base.

Keep the protractor on top at one of the ends of the line.

Mark the 50° angle.

Draw a straight line passing through the marked point using the ruler.

Now move the protractor to the other end of the line.

Mark the angle 65°.

Draw a straight line passing through the marked point using the ruler until it meets the 50° angle line.

This is a triangle with angles of 50 and 65 degrees.

Therefore, using a protractor and a ruler we drew a triangle with a side length of 4 inches that is between angles of 50 and 65 as shown in the figure.

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Mrs. Walker's Period A and Period B Biology classes each grew a plant and recorded the heights, at various times, over a five week period. The graphs generated from this data are shown below.

Answers

C. During the observation period, period A's plant grew twice as quickly as period B's.

What is the significant use of graphs in real life?

Graphs are a not unusual place technique to visually illustrate relationships withinside the statistics. The reason for a graph is to provide statistics that are too severe or complex to be defined appropriately withinside the textual content and in much less space.

Given, Mrs. Walker's Period A and Period B Biology classes each grew a plant and recorded the heights

from the graph. at the start of the observation period, Period A's plant was as tall as Period B's. So, A and B are wrong.

during the observation period, Period A's plant grew twice as quickly as Period B's.

C is right, and D is wrong

So, the answer is C.

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Complete question:

Write equation to represent the new function

Vertically stretched by a factor of 4, then translated 3 units right.​

Answers

Answer:

f(x) /x-3

Step-by-step explanation:

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