Question 5 (1 point), You are making your friend a triangular fabric decoration for their home. It has ripped so you need to go buy new fabric. The fabric you are buying is $3 per square foot. Using the dimensions below, how much money do you need to buy enough fabric? ​

Answers

Answer 1

Answer:

1). True

2). x = 16.4 m^2

3). A = 24, h = 4

4). A = 18.39

5). 162

Step-by-step explanation:

I took this quiz on K12 and got everything correct! Brainliest welcome! :)


Related Questions

Elijah read his book from 4:30pm until 6:00pm. He read 1 chapter every 10 minutes.
How many chapters total did Elijah read?

Answers

Answer:

he read 9 chapters

Step-by-step explanation:

4:30 pm to 6:00 pm is 1:30 hours, which is 90 minutes

90/10=9

He read 9 chapters because if you count every ten minutes between 4:30 - 6:00 it’s 9

Question 13(Multiple Choice Worth 2 points)
(Multi-Step Percent Problems MC)

A gaming system costs $600 and is on sale for 35% off. After the discount, there is a 5% tax. What is the final price of the gaming system?

$409.50
$390.00
$220.50
$210.00

Answers

I believe the answer is 409.50

Pls help I’m giving brainliest

Answers

Using prime factorization, the LCM and GCF of numbers are

1) For 46 and 4

GCF = 2

LCM = 92

2) For 2 and 34

GCF = 2

LCM = 34

3) For 32 and 4

GCF = 4

LCM = 32

What is meant by prime factorization?

A natural number other than 1 with just the number 1 and itself as factors is known as a prime factor. Actually, 2, 3, 5, 7, 11, and so on are the first few prime numbers. For numbers, we may now also employ what is known as prime factorization, which really involves utilizing factor trees.

When a number is expressed as the product of its prime factors, this is known as prime factorization.

1) The factors of the numbers are

46 = 2 × 23

4 = 2 × 2

GCF = 2

LCM = 2 × 2 × 23

= 92

2) The factors of 34 are

34 = 2 × 17

GCF = 2

LCM = 2 × 17

=34

3) The factors of the numbers are

32 = 2 × 2 × 2 × 2 × 2

4 = 2 × 2

GCF = 2 × 2

= 4

LCM = 2 × 2 × 2 × 2 × 2

= 32

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What is the slope of the line that passes through the points (−4, −4) and (6, 4

Answers

Answer: no slope

Step-by-step explanation:
m= y2-y1/x2-x1

m= 6-(-6)/4-4

m=12/0

m= no slope

Answer:

y = 0.8x - 0.8

Step-by-step explanation:

Δy ÷ Δx = gradient (x)

4 - -4 = 8

6 - -4 = 10

8 ÷ 10 = 0.8

equation of line; y = mx + c

substitute one of the coordinates into the equation

(6, 4) y  = 4, x = 6

4 = 0.8(6) + c

4 = 4.8 + c

- 4.8 to get the y intercept on it's own

-0.8 = y intercept (c)

confirmation

substitute the new values to get the other y

(-4, -4) y = -4 <-- should be the answer, x = -4

y = mx + c

y = 0.8(-4) - 0.8

y = -3.2 - 0.8

y = -4 the gradient and the y intercept have been proven right

screenshot included with question

Answers

Answer:

48 fl oz = 6 c

4 gal = 16 qt

Step-by-step explanation:

4 times 4 is 16

48 divided by 8 is 6

48 fl oz = 6 cups as 48/8 is 6!
4 gal = 16 qt as 4x4 is 16!

Which statement is most likely to be true for this distribution?
O A. The mean is less than the median.
• B. The mean is greater than the median.
• C. The mean is the same as the median.

Answers

The statement that is most likely correct for the negatively skewed data distribution given is B. The mean is less than the median.

What is a Negatively Skewed Data Distribution?

A negatively skewed data distribution has the tail to the left of the number line, and therefore its median is usually greater than its mean.

The dot plot shows a data distribution that is negatively skewed. Therefore, the statement that is most likely to be true is B. The mean is less than the median.

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The width of a rectangle measures (9.6w+4.7x) centimeters, and its length
measures (7.8w - 2.1x) centimeters. Which expression represents the perimeter,
in centimeters, of the rectangle?

Answers

Answer:

[tex]34.8w+5.2x[/tex] cm

Step-by-step explanation:

If the width of a rectangle measures [tex](9.6w+4.7x)[/tex] cm and its length measures [tex](7.8w-2.1x)[/tex] cm, then the perimeter of the rectangle is:

[tex]2(9.6w+4.7x)+2(7.8w-2.1x)[/tex]

[tex](19.2w+9.4x)+(15.6w-4.2x)[/tex]

[tex]19.2w+9.4x+15.6w-4.2x[/tex]

[tex]19.2w+15.6w+9.4x-4.2x[/tex]

[tex]34.8w+5.2x[/tex]


Mrs Ali baked some cookies.
She gave away 250 cookies and packed the remaining cookies into bags of 12.
Each bag of cookies was sold for $8.
She received $2016 from the sale of all bags of cookies.
How many cookies did she bake at first?

Answers

Answer: 3274 cookies

Step-by-step explanation:

She sold : 2016 ÷ 8 = 252 ( bags )

The remaining cookies : 12 × 252 = 3024 ( cookies )

She baked : 3024 + 250 = 3274 ( cookies )

Mid point of AB is M (1,-4). If the coordinates of A are (-3,-6) what are the coordinates of B?

Answers

The coordinate of point B is such that M (1,-8) is the midpoint of A(-6,-12) and B will be (5,-2).

What are coordinates?

A pair of numbers that employ the horizontal and vertical distinctions from the two reference axes to represent a point's placement on a coordinate plane. typically expressed by the x-value and y-value pairs (x,y).

The coordinate of midpoint between two points  (x₁, y₁) and (x₂, y₂) is given by,

( (x₁ + x₂)/2 ,(y₁+ y₂)/2)

Given that, M is the midpoint of A and B.

Let's say the coordinate of point B is B(x,y).

Then,

1 = (-3 + x)/2

x = 2 + 3 = 5

And,

(-6 + y)/2 = -4

y = -8 + 6 = -2

Hence "The coordinate of point B is such that M (1,-8) is the midpoint of A(-6,-12) and B will be (5,-2)".

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Please help! What is the standard form of the following equation?


y= 5x+0.5



-5x+y=-0.5



-5x+y=0.5



-5x-y=0.5



-5x+y= 0.5

Answers

The standard form of the equation, 3y = 9x -12, is -5x + y = 0.5. The correct option is the third option -5x+y=0.5

Writing an equation is standard form

From the question, we are to write the given equation is standard form.

The given equation is

y = 5x + 0.5.

The standard form of a linear equation is

Ax + By = C

Where A, B, and C are constants

x and y are variables

Now, we will write the given equation is the standard form of a linear equation.

y = 5x + 0.5

Subtract 5x from both sides of the equation

y - 5x = 5x - 5x + 0.5

y - 5x = 0.5

Rewrite the equation, so that it would correspond to the standard form of a linear equation

-5x + y = 0.5

Hence, the standard form is -5x + y = 0.5

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I need help I’ve been stuck on this problem for like 40 minutes already!!!

Answers

Answer is

✅ 12 + 0.25 * 12
Multiply 0.25 * 12 then add 12 = 15

✅ 12 (1 + 0.25)
distribute multiply this expression
12 + 3 = 15

✅ 12 * 1.25 = 15
Multiply for this answer

❌ 12 * 0.25
nope, equals 3

❌ 12 + 0.25
Nope, equals 12.25



Find the area and circumference of a circle with a diameter of 15 cm.

Answers

the answer to that question is 34cm² of the circumference

A triangle has a base of 8 inches and a height of 12 inches. What is the area?
Helpful conversion fact: A=1/2b•h
96 inches
96 square inches
48 inches
48 square inches

Answers

Answer:

48 square inches

Step-by-step explanation:

A=1/2 bh

A=(1/2)(8)(12)

A=(4)(12)

A=48 square inches

you can also multiply 8 x 12 then divide by 1/2 or 2 which is still 48. either way is correct but since the formula is half of the base times height that is the step i followed. Also area is always whatever measurement used (in this case inches) squared.

The answer is 48 square inches

Which of the following is the graph of (x+1)2/9 - (y+4)2/4 = 1?

Answers

The answer will be the graph of the straight line.

What is the equation straight line?

Y = mx + c is the general equation for a straight line, where m denotes the line's slope and c the y-intercept. It is the version of the equation for a straight line that is used most frequently in geometry. There are numerous ways to express the equation of a straight line, including point-slope form, slope-intercept form, general form, standard form, etc. A straight line is a geometric object with two dimensions and infinite lengths at both ends. The formulas for the equation of a straight line that are most frequently employed are y = mx + c and axe + by = c. Other versions include point-slope, slope-intercept, standard, general, and others.

Using the equation we can plot the graph in 2D.

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15. Mohammed has $8376 in his bank account. In the next month he takes out $4595 to buy a car. He then buys some new tires for his car for $1200. The next day, he receives his salary of $2709 in his bank account. How much is in his account at the end of the month? ​

Answers

By doing addition and subtraction of integers, the result obtained is

Mohammed had $5290 at the end of the month

What is addition and subtraction of integers?

At first it is important to know about integers

Integers are those numbers which has no fractional part. Integer can be positive, negative and zero is also an integer.

Suppose there are many integers, and we need to find the sum total of all those integers, then the operation used in this case is called addition.

To find how big or small one integer is from the other, then the operation used is called subtraction of integers.

Here we will use addition and subtraction of integers

Bank balance of Mohammed = $8376

Amount of money taken out by Mohammed next month to buy a car = $4595

Amount of money needed to buy new tires for his car = $1200

Amount of salary received by Mohammed next day = $2709

Amount of money Mohammed had at the end of the month =

$(8376 - 4595 - 1200 + 2709)

= $5290

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Use the given information to find the number of degrees of​ freedom, the critical values χ2L and χ2R​, and the confidence interval estimate of σ. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution.
Nicotine in menthol cigarettes 95​% ​confidence; n=23​, s=0.25 mg.

Answers

The critical values of the chi statistic are; χ²R = 8.643 and χ²L = 42.796

The confidence interval estimate of σ is; 0.20 < σ < 0.45

How to find the critical value of Chi - Statistics?

We are given the following data;

Sample size; n = 23

Degree of freedom; df = n - 1 = 23 - 1 = 22

Confidence level; α - level = 99%

Sample standard deviation; s = 0.25 mg

For χ²R;

The significance level is; 1 - (1 - 0.99)/2= 0.995

The degree of freedom is; df = 22

From critical value tables, we know that; χ²R = 8.643

For χ²L ;

The significance level is; (1 - 0.99)/2 = 0.005

The degree of freedom is; df = 22

From critical value tables, we know that; χ²L = 42.796

The confidence interval estimate of σ is;

s * √[(n-1)/χ²L] < σ < s * √[(n-1)/χ²R)]

Plugging in the relevant values gives;

0.28 * √(22/42.796) < σ < 0.28 * √(22/8.643)

0.2008 < σ < 0.4467

0.20 < σ < 0.45

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Load the GSS14SSDS-B data set in SPSS and use the frequency procedure to investigate the variability of the respondent's current age (AGE). Click on Analyze, Descriptive Statistics, Frequencies, and then Statistics. Select the appropriate measures of variability.

The level of measurement for the variable AGE is ---

The variance is ---

The standard deviation is ---

The mean is ---

The number of valid responses (n) is ---

Choices:

55.11

48.18,

50.12

1500

Ordinal

18.058

17.073

1490

Nominal

276.584

Interval

291.495

16.054

301.498

Answers

Load the GSS14SSDS-B data set in SPSS and use the frequency procedure to investigate the variability of the respondent's current age (AGE). Click on Analyze, Descriptive Statistics, Frequencies, and then Statistics. Select the appropriate measures of variability.

The level of measurement for the variable AGE is ---

The variance is ---

The standard deviation is ---

The mean is ---

The number of valid responses (n) is ---

Explanation

55.11

48.18,

50.12

1500

Ordinal

18.058

17.073

1490

Nominal

276.584

Interval

291.495

16.054

301.498

Students in two classrooms were given a mathematics test. The first classroom had 25 students and their average score was 86%. The second classroom had 15 students and their average score was 94%. If the teacher combined the test scores of students in both classes, what is the average score for both classes?​

Answers

Answer:

Step-by-step explanation:

Total percent in first classroom = 25 x 86 = 2150
Total percent in second classroom = 15 x 94 = 1410
Total for both rooms = 2150 + 1410 = 3560 for 40 students
Average score across both rooms = 3560/40 = 89%

Please help me with the attached question

Answers

The expression equivalent to [tex]-3(\frac{7}{2} -\frac{2}{3}m )+\frac{17}{2} -m[/tex] is m - 2.

How to find equivalent expression?

Equivalent expressions are expressions that work the same even though they look different.

In other words, equivalent expressions are expressions that have the same value.

Therefore, the expression that is equivalent can be calculated as follows:

[tex]-3(\frac{7}{2} -\frac{2}{3}m )+\frac{17}{2} -m[/tex]

Hence, let's simplify the expression to find it's equivalent,

open the bracket

[tex]-3(\frac{7}{2} -\frac{2}{3}m )+\frac{17}{2} -m = -\frac{21}{2}+2m+\frac{17}{2}-m[/tex]

[tex]-3(\frac{7}{2} -\frac{2}{3}m )+\frac{17}{2} -m = -\frac{21}{2}+2m+\frac{17}{2}-m = -\frac{21}{2}+\frac{17}{2}+2m-m[/tex]

[tex]-\frac{21}{2}+\frac{17}{2}+2m-m=-\frac{4}{2} + m[/tex] = m - 2

Therefore,

[tex]-3(\frac{7}{2} -\frac{2}{3}m )+\frac{17}{2} -m = m-2[/tex]

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(q − 10) (q² + q +1)

Answers

I am not sure what you have to find specifically but if you wanted it to be simplified or to find the product;
q^3-9q^2-9q-10

What is the y-intercept of a line that has a slope of and passes through point (8, 3)?
000
3
5
11
Mark this and return
Save and Exit
Next
Submit

Answers

The y-intercept of a line that has a slope of and passes through points (8, 3) is (0,1).

what is the slope-intercept?

A method of formulating a line's equation that makes it simple to identify the slope and y-intercept is known as the slope-intercept form. The point where the line crosses the y-axis is known as the y-intercept, and the slope refers to how steep the line is.

The slope-intercept form: y = mx + b

m - a slope

b - y-intercept

Here, we have

A slope m = 1/4.

Substitute: y = 1/4 x + b

We know that

the line passes through the point (8, 3) → x = 8, y = 3.

Put the values of x and y into the slope of the line:

1/4 · 8 + b = 3

2 + b = 3 |-2

b = 1

Hence, the y-intercept is (0, 1)

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Solve for x

150µ=0.694(x+7.2K)*10^-9

Answers

Answer:

[tex]x=2.16*10^{11}u-7.2k[/tex].

Side note: This answer could be more precise if made usage of more significant figures. For practicality reasons, in this solution we reduced the amount of significant figures to use.

Step-by-step explanation:

1. Write the expression.

[tex]150u=0.694(x+7.2K)*10^-9[/tex]

2. Solve the parenthesis using the distributive property of multiplication.

[tex]150u=[(0.694*x)+(0.694*7.2K)]*10^-9\\\\150u=[0.694x+4.9968k]*10^-9\\ \\150u=10^-9*0.694x+10^-9*4.9968k[/tex]

3. Subtract "10^-9*0.694x" from both sides of the equation.

[tex]150u-10^-9*0.694x=10^-9*0.694x-10^-9*0.694x+10^-9*4.9968k\\ \\150u-10^-9*0.694x=10^-9*4.9968k[/tex]

4. Subtract "150µ" from both sides of the equation.

[tex]-150u+150u-10^-9*0.694x=10^-9*4.9968k-150u\\ \\-10^-9*0.694x=10^-9*4.9968k-150u[/tex]

5. Divide both sides by "-10^-9*0.694".

[tex]\frac{-10^-9*0.694x}{-10^-9*0.694} =\frac{10^-9*4.9968k-150u}{-10^-9*0.694} \\ \\\frac{-10^-9*0.694x}{-10^-9*0.694} =\frac{10^-9*4.9968k}{-10^-9*0.694}-\frac{150u}{-10^-9*0.694} \\ \\x=-7.2k-(-2.16*10^{11} u)\\ \\x=-7.2k+2.16*10^{11}u\\ \\x=2.16*10^{11}u-7.2k[/tex]

-------------------------------------------------------------------------------------------------------

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d) Three bus services A, B and C arrive at a station. Service A arrives at the station every 15 minutes, service B arrives every 20 minutes and service C arrives every 30 minutes. All three buses arrive at the station together at 9 a.m. At what time will the three buses next arrive at the station. (Decide which will you use to find the answer: GCF or LCM)​

Answers

The time that the three buses will next arrive at the station, given the time between their individual arrivals is 10 am.

How to find the time of arrival?

Service A arrives every 15 minutes. Service B arrives every 20 minutes. Service C arrives every 30 minutes.

The goal is to find the time when all services arrive at the same time. This can be found by finding the LCM of all three times. This will show the shortest time till all services arrive.

The LCM of 15 minutes, 20 minutes, and 30 minutes is 60 minutes.

The three bus services will arrive at the same time in 60 minutes which is:

= 9 am + 60 minutes

= 10 am

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what is the measure of arc XY in the diagram below ?

Answers

The measure of the intercepted arc, [tex]\widehat{XY}[/tex], formed by the secants ZW and ZV is 30°

What is a secant of a circle?

A secant line is a straight-line which has two points of intersection with a circle.

From a similar question on the internet, the figure consists of an outside angle of 41° formed by two secants and two intercepted consisting of [tex]\widehat{XY}[/tex]and [tex]\widehat{VW}[/tex] which measures 112°

The outside angles of a circle theorem states that the outside angle formed by two secants or two tangent or a combination of a secant and a tangent is the difference of the measure of the difference of the angles of the intercepted arcs divided by two.

Mathematically;

[tex]m\angle z = \dfrac{\widehat{VW} - \widehat{XY}}{2}[/tex]

Where;

The outside angle formed by the secant ZW and ZV, m∠z = 41°

[tex]\widehat{VW}[/tex] = 112°

Which gives;

[tex]41^{\circ}= \dfrac{112^{\circ}- \widehat{XY}}{2}[/tex]

2 × 41° = 112° - [tex]\widehat{XY}[/tex]

82° = 112° - [tex]\widehat{XY}[/tex]

[tex]\widehat{XY}[/tex] = 112° - 82° = 30°

[tex]\widehat{XY}[/tex] = 30°

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Which is the correct answer ????

Answers

Problem
Solve the system of equations by substitution.
y = 5x - 11
10x - 2y = 18
Solution
Solve for the first variable in one of the equations, then substitute the result into the other equation.
No solution

Drag each tile to the correct box. Not all tiles will be used.
Find the equations with unit rates greater than the unit rate of the graph. Then arrange these equations in order from least to greatest unit rate.

Answers

The equations in order from least to greatest unit rate are y = 13/6x,y = 11/5x, y = 21/9x and y = 19/8x

How to determine the equations with unit rates greater than the unit rate of the graph?

On a graph, the unit rate is obtained by calculating the slope of the line. The slope is the change in y divided by the change in x:

Slope = y2-y1 / x2-x1  

Thus, we can any two convenient points on the graph and use it calculate the slope:

Let's pick points (5, 10) and (12, 25)

This implies x1 = 5, y1 = 10 and  x2 = 12, y2 = 25

Slope = y2-y1 / x2-x1

Slope = 25-10 / 12-5 = 15/7

Thus,  the unit rate of the graph is 15/7 = 2.143

Find the equations with unit rates greater than the unit rate of the graph:

y = 19/8x: unit rate = 19/8 =  2.375

y = 27/13x: unit rate = 27/13 = 2.077

y = 21/9x: unit rate = 21/9 = 2.333

y = 11/5x: unit rate = 11/5 = 2.200

y = 15/17x: unit rate = 15/17 = 0.882

y = 31/15x: unit rate = 31/15 = 2.067

y = 13/6x: unit rate = 13/6 = 2.167

The equations with unit rates greater than the unit rate of the graph are y = 19/8x, y = 21/9x, y = 11/5x and y = 13/6x

Therefore, the equations in order from least to greatest unit rate are y = 13/6x,y = 11/5x, y = 21/9x and y = 19/8x. Drag each tile to the correct box accordingly

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question attached, it's trig

Answers

The value of sin 3° will be;

⇒ sin 3° = 1/8 (√(3 - √5) (√3 + 1) - √ (5 + √5) (√3- 1)

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The values are,

sin 18° = √(3 - √5) / 2√2

cos 18° = √ (5 + √5) / 2√2

Now,

Find the value of sin 3° as;

⇒ sin 3° = sin (18 - 15)°

   = sin 18° cos 15° - cos 18° sin 15°

   = √(3 - √5) / 2√2 × (√3 + 1) / 2√2  - √(5 + √5) / 2√2 × (√3-1)/2√2

   = 1/8 (√(3 - √5) (√3 + 1) - √ (5 + √5) (√3- 1)

Thus, The value of sin 3° will be;

⇒ sin 3° = 1/8 (√(3 - √5) (√3 + 1) - √ (5 + √5) (√3- 1)

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The kitchen is a square and has an area of 169 square feet.whatis the length of one side of Tito’s kitchen?

Answers

The length of one sides of the square Tito's Kitchen is 13 feet.

How to find the length of a square?

A square is a quadrilateral with 4 sides equal to each other. The opposite sides of a square is parallel to each other.

The sum of angles in a square is 360 degrees. Each angle is 90 degrees.

The kitchen is a square and has an area of 169 square feet.

The length of one side of the kitchen can be calculated as follows:

area of the square kitchen = l²

where

l = side length

Therefore,

area of the square kitchen = 169 ft²

169 = l²

square both sides of the equation

√169 = √l²

l = 13 ft

Therefore,

length of the square kitchen = 13 feet.

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How do I solve the following equation?

Answers

keeping in mind that parallel lines have exactly the same slope, let's check for the slope of the equation above

[tex]y=\stackrel{\stackrel{m}{\downarrow }}{-\cfrac{1}{3}}x+7\qquad \impliedby \qquad \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}[/tex]

so we're really looking for the equation of a line whose slope is -1/3 and that it passes through (-2 , 5.5)

[tex](\stackrel{x_1}{-2}~,~\stackrel{y_1}{5.5})\hspace{10em} \stackrel{slope}{m} ~=~ - \cfrac{1}{3} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{5.5}=\stackrel{m}{- \cfrac{1}{3}}(x-\stackrel{x_1}{(-2)}) \implies y -5.5= -\cfrac{1}{3} (x +2)[/tex]

[tex]y-5.5=-\cfrac{1}{3}x-\cfrac{2}{3}\implies y=-\cfrac{1}{3}x-\cfrac{2}{3}+5.5\implies y=-\cfrac{1}{3}x-\cfrac{2}{3}+\cfrac{55}{10} \\\\\\ y=-\cfrac{1}{3}x-\cfrac{2}{3}+\cfrac{11}{2}\implies {\Large \begin{array}{llll} y=-\cfrac{1}{3}x+\cfrac{29}{6} \end{array}}[/tex]

Find the GCF of 21 and 28.​

Answers

Answer: 7

Step-by-step explanation:

Answer:

7 is the GCF of 21 and 28

Step-by-step explanation:

The GCF of 21 and 28 is 7. To calculate the greatest common factor (GCF) of 21 and 28, we need to factor each number (factors of 21 = 1, 3, 7, 21; factors of 28 = 1, 2, 4, 7, 14, 28) and choose the greatest factor that exactly divides both 21 and 28, i.e., 7.

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