help need help i give 26 pointes

The mattress has a total cost of  $24.28

From the question, the given parameters are:

Cost of a mattress = $74.95

Markdown = 70%

Sales tax in oak grove = 8%

Using the sales tax and the markdown, the total cost for the mattress is calculated using

Total cost of mattress = Cost of a mattress * (1 + Sales tax) * (1 - Markdown )

Substitute the known values in the above equation

So, we have the following equation

Total cost of mattress = 74.95 * (1 + 8%) * (1 - 70%)

Evaluate the products

Total cost of mattress = 24.28

Hence, the total cost of the mattress is $24.28

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Answer:

In triangle ABC, ACB = 67°, AB= 6.9 cm and BC = 5.7 cm.

Step-by-step explanation:

Step-by-step explanation:

so, it is

12 / (1 - (2x + 3))

yes, that is

12 / (1 - 2x - 3) = 12 /(-2x -2) | divide both sides by -2

-6/(x + 1)

The best possible ways to compare least crowded place are options A and D

Given that,

Antonio is comparing the crowdedness at three different sports events. Our aim to find the least crowded sporting event. Here we use square meter as measurement for population. So it is pretty obvious that a place is less crowded when people in that region are less in number. So the option A is correct which is less people per square meter. Similarly, option D is also correct because if a person have more square meters then it is clear that the region is less populated .

Therefore, the options A and D are the go-to ways to compare the least crowdedness in the sporting events.

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Answer:

The things that you need to pick are option A and option D. Trust me on this, I did the exact same question and I got is correct. Also please please please pick me as Brainliest... or y'know don't... and then feel bad.

Answer:

x=7

Step-by-step explanation:

7=2x-7

-2x-7-7

-2x=-14

x=-14÷2

x=-7

Answer:

A

Step-by-step explanation:

Because it's has no straight to it

Answer: A) the number of CDs Ahmed has.

Step-by-step explanation:

If x represents a positive integer and x<7, then the values of x = {1,2,3,4,5,6}

The x represents a positive integers

Positive integers are the integers greater than 0. In number line the positive number will be at the right side of the 0. The negative integers are the integers less than 0. In number line the negative number will be at the left side of the 0.

The given inequality is

x<7

The inequality is the mathematical expression represents the relation between the two values that is not equal

Here x is less than 7 and a positive integer

Therefore,

x = {1, 2, 3, 4, 5, 6}

Hence, if x represents a positive integer and x<7, then the values of x = {1,2,3,4,5,6}

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The height of a tree whose shadow is 20m shorter when the angle of elevation of the sun is 60 is 17.3 meters.

The elevation is the distance above sea level. They are usually measured in meters or feet.

Let t be the height of the tree, then the length of the shadow will be:

Shadow length = t/tan(α)

where α is the angle of elevation. The difference in shadow lengths is:

20 m = t/tan(30°) -t/tan(60°) = t(√3 -1/√3)

= (20 m)/(2/√3) = 10√3 m

= 17.3 m

The height is 17.3 meters.

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the value of y for x values(-2,0,2,4) are {11, 3, -5, -13}

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

You want the value of y for various values of x, given that y = -4x +3.

Function evaluating

Put the value of x where x is in the function rule and do the arithmetic.

 y = -4x +3

for x = -2

y = (-4)(-2) +3 = 8 +3 = 11

for x = 0

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

for x = 2

y = (-4)(2) +3 = -8 +3 = -5

for x = 4

y = (-4)(4) +3 = -16 +3 = -13

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Answer:

there is an open circle at 58

the arrow points right

Step-by-step explanation:

3x>174/:3

x>58 we have a strict x more than 58 that's why it's an open circle and right because x is more, but not less

Answer:

Equation: -5 <3× -8

+8. +8

3 <3x

_ _

3. 3

Answer: 1 = X

Step-by-step explanation:

Equation: -5 <3× -8

First Step: You must add 8 to -8 and move it to both sides. The reason why we do this is because on the left side we have 1 number and on the right side we have 2 numbers. We see that the right side has more numbers than the left, so we must move the -8 turning it to a positive 8 (8-8 cancels each other making 0) and adding the +8 in -8 to -5 as well, since we're adding to both sides.

Second Step: Since we added 8 to -5, it equals 3 now 8-5=3. Changing the equation to 3 <3x. Now we have to divide 3 to both sides as well, because we want the x to be by itself. So, 3 ÷ 3 = 1 and 3x ÷ 3 = x

Results: After our extraordinary calculations we recieve

the answer 1=x

Answer:

D

Step-by-step explanation:

2d + 8y = 20

y = 2

substitute y = 2 into the other equation

2d + 8(2) = 20

2d + 16 = 20 ( subtract 16 from both sides )

2d = 4 ( divide both sides by 2 )

d = 2

solution is (2, 2 )

answer-> D. (2,2)

Given,

2d + 8y = 20  .............................................(Equation i)

y = 2 .............................................................(Equation ii)

substituting y = 2 in equation i, we get

2d + 8(2) = 20

2d + 16 = 20

2d = 20 - 16

2d = 4

d = 2

Hence the correct answer would be option D. (2,2)

We have used the substitution method to solve the given system of linear equations.

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If I stated 2 * - 3    OR  -10/-5  then the factor/quotient and its sign is given by -6 and 2

What is a quotient in math?

The number that is being divided (in this case, 15) is called the dividend, and the number that it is being divided by (in this case, 3) is called the divisor. The result of the division is the quotient

What is quotient formula?

The quotient formula is given as follows: Dividend ÷ Divisor = Quotient (if the remainder is zero) The general formula for any division problem is given by: Dividend ÷ Divisor = Quotient + Remainder.

2 * -3 = -6  or -10/-5= 2

Thus the quotient is -6 and 2

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The side length of a square is 7 inches drawn by the Peter.

According to the question, the ratio of a square's side length to its perimeter is always one to four.

According to the story, Peter drew a square with such a perimeter of 28 inches.

Divide 28 inches by 4 to get the side length of a square Peter drew.

= 28/4

= 7 inches

As a result, the side length of a square is 7 inches.

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Answer: C : y = 3/2 - 4

Step-by-step explanation:

Find the Slope (Slope Formula)

(4,2) (6,5)

m = (5-2)/(6-4)

m = 3/2

Find "b"

y = mx + b (Slope intercept form)

2 = 3/2(4) + b

2 = 6 + b

-4 = b

Considering the area of the rectangular lot, the width of the walkway is of 3.9 feet.

Considering a rectangle of length l and width w, we have that the area and the perimeter are given as follows:

In the context of this problem, for the garden and the walkway, the dimensions are given as follows:

Considering that the area is of 238 square feet, we can solve for the width of the walkway as follows:

15(12 + w) = 238

12 + w = 238/15

12 + w = 15.9.

w = 15.9 - 12

w = 3.9 feet, which is the width of the walkway.

Since the area is in square feet, the length and the width are in feet.

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The ratios that can be used to compare the soda and punch recipes are as follows;

1. Emily:

Mason's recipe for soda is y = (1/2)•x

Tyler's recipe; y = (3/5)•x

Julio's

Mason's recipe; y = (1/3)•x

Tyler's recipe; y = (3/8)•x

2. Please see the completed values in the table in the elucidation that follows

3. The equivalent ratio relationship in each graph is given by the constant ratio of each coordinate pair.

4. The recipe that has the strongest lemon lime taste is given by the graph that has the steepest slope

The slope of a graph is given by the ratio of the rise to the run of a graph

1. The unit rate for Mason's recipe is (1/2) cup of lemon–lime per cup of club

While the unit rate for Tyler's recipe for club soda is (3/5) cup of lemon and lime per cup of club

Mathematically, we have

Emily;

Mason's recipe; y = (1/2)•x

Tyler's recipe; y = (3/5)•x

Julio;

Mason's recipe; y = (1/3)•x

Tyler's recipe; y = (3/8)•x

Carlos's recipe; y = (2/5)•x

Zeb's recipe; y = (1/5)•x

2. The values in the table becomes;

Lemon–lime; 1/3, 2/3, 1, 4/3, 5/3, 6/3

Total punch; 1, 2, 3, 4, 5, 6

Lemon–lime; 3/8, 3/4, 9/8, 3/2, 15/8, 9/4

Total punch; 1, 2, 3, 4, 5, 6

Lemon–lime; 2/5, 4/5, 6/5, 8/5, 2, 12/5

Total punch; 1, 2, 3, 4, 5, 6

Lemon–lime; 1/5, 2/5, 3/5, 4/5, 1, 6/5

Total punch; 1, 2, 3, 4, 5, 6

3. Each graph represents equivalent ratios given that the value of the ratio of data point is a constant, that is, we have;

For Mason, 1:(1/3) = 2:(2/3) = 3:1...

For Tyler, 1:(3/8) = 2:(3/4) = 3:(9/8)...

For Carlos, 1:(2/5), 2:(4/5), 3:(6/5)...

For Zeb, 1:(1/5), 2:(2/5), 3:(3/5)...

4. The slope of each graph is given by the number of cups of lemon–lime per one cup of total punch,

The recipe that has the strongest lemon–lime taste is given by the recipe that has the most lemon–lime per each cup of total punch

Which gives;

The recipe that has the strongest lemon–lime can be found from the graph that has the largest slope, which is given by Carlos's recipe.

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Answer:

  16,400 ft

Step-by-step explanation:

You want to know the number of feet in a 5 km race, rounded to the nearest hundred. You are given conversion factors 5280 ft = 1 mi = 1.61 km.

Unit conversion can be done by multiplying by a conversion factor whose numerator is equal to its denominator, and that cancels unwanted units, replacing them with units you want.

  [tex]5\text{ km}=5\text{ km}\times\dfrac{5280\text{ ft}}{1.61\text{ km}}\approx16397.5\text{ ft}\approx\boxed{16,\!400\text{ ft}}[/tex]

__

Additional comment

Both of the given conversions are equal to 1 mile, so their ratio is 1. We put feet on top of the fraction, because that is the unit we want. The km value is in the denominator so the km units in numerator and denominator cancel.

The conversion for km is 1 mi = 1.609344 km (exactly). The actual conversion to ft will give 16,404 76/381 ft. This has a very long repeating decimal fraction.

Answer:n= -129/t

im not sure  if thats the answer ur looking for

The person must score 136 to be in the top 5% of all scores in wechsler adult intelligence scale.

The formula for the normal distribution is;

z = (x - μ)/σ

where,

If we want to be in the top 5%, we must outperform 95% of the remaining scores. So we must investigate.

In with us standard normal probability table, look up 0.95 and get the Z score that corresponds to that.

z = 1.7

Put the value in formula ad find x.

1. 7 = (x - 110)/15

x = 25.5 + 110

x = 135.5

x = 136 (whole number)

Thus, the person must score 136 to be in the top 5% of all scores in wechsler adult intelligence scale.

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yes, it is the same than 3:2. And we can not simplify it more

There are 158,184,000 possible license plates consisting of 3 letters followed by 4 digits.

Based on the given information, since the letters and digits may be repeated, there are:

26 ways to fill in the first letter

26 ways to fill in the second letter

26 ways to fill in the third letter

9 ways to fill in the first digit *(first digit cannot be 0)

10 ways to fill in the second digit

10 ways to fill in the third digit and

10 ways to fill in the first digit

Thus, by Fundamental Principle of Counting, there are 158,184,000 possible license plates.

26 x 26 x 26 x 9 x 10 x 10 x 10 = 158,184,000

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Answer:

22270 pieces of paper

Step-by-step explanation:

White:  12370   [12,370 pieces of white paper]

Blue:     6700   (12370-5670).  [5,670 fewer pieces of blue paper than white paper]

Yellow: 3200     (6700-3200).  [3,500 fewer pieces of yellow paper than blue paper]

The sum is 22270 pieces of paper.

Answer:

2:4 ratio (1:2)

2cups carrot + 4cups apple = 6cups (ratio 1:2)

Therefore 4cups carrot + 8 cups apple = 12 cups (ratio 1:2)

Hope that helps

The average frequency of people hearing the spot on the radio station is equal to 5.

Average frequency can be defined as the average number of times an individual is exposed to an Advertising schedule.

Average frequency can be calculated by using the formula;

average frequency = total / n

As 4000 people heard the spot 6 times and 2000 people heard it three times; therefore

n = 4000 + 2000 = 6000

total = number × frequency = (6 × 4000) + (3 × 2000) = 24000 + 6000 = 30,000

Substituting these values in the equation;

average frequency = 30,000 / 6000

average frequency = 5

Hence the average frequency of people hearing the spot on the radio station wkoi is calculated to be 5.

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If the customer keeps the higher of the two prizes awarded, the probability the customer will receive at least $100 is 0.10

The probability that the customer will receive at least $100, P(X>100) is obtained below:

The probability that the customer will receive at least $100 is obtained by adding the corresponding probabilities of X=100 and, X=1000

Given from the table of probabilities, P(X=100)=0.08, and P(X=1,000)

P[X>100]=P(X=100)+P(X=1,000)

              =0.08+0.02

               =0.10                                  

​      

The question is incomplete, the complete question is given below:

A real estate developer is awarding one of four prizes to customers who view new properties. The prizes are awarded randomly through drawings. Prize values and their associated probabilities follow:

PRIZE VALUE   PROBABLITY

$10                          0.80

$20                          0.10

$100                  0.08

$1000                  0.02

one customer has two chances to receive a prize. if the customer keeps the higher of the two prizes awarded, what is the probability the customer will receive at least $100?

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The inequality written for the given statement is x≤10. Therefore, option A is the correct answer.

The given statement is "The water level will be 10 feet or lower by tomorrow."

Mathematical expressions with inequalities are those in which the two sides are not equal. Contrary to equations, we compare two values in inequality. Less than (or less than or equal to), greater than (or greater than or equal to), or not equal to signs are used in place of the equal sign.

The inequality for the given statement is x≤10

The inequality written for the given statement is x≤10. Therefore, option A is the correct answer.

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"Your question is incomplete, probably the complete question/missing part is:"

Choose the inequality that represents the statement.

The water level will be 10 feet or lower by tomorrow.

A. x≤10

B. x<10

C. x>10

D. x=10

The value of the part of 20 that is 46% is 9.2.

Percentage is simply a number or ratio expressed as a fraction of 100.

It is expressed as;

Percentage = ( Part / Whole ) × 100%

Given the data in the question;

Plug the given values into the above formula and solve for the part.

Percentage = ( Part / Whole ) × 100%

46% = ( Part / 20) × 100%

46/100 = ( Part / 20 ) × 100/100

46/100 = ( Part / 20 ) × 1

46/100 = Part / 20

Cross multiply

46 × 20 = Part × 100

920 = Part × 100

Part = 920/100

Part = 9.2

Therefore, 9.2 is 46 percent of 20.

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The  mean can be written as mean A= x+ y/2

A data set's mean (average) is calculated by summing all of the numbers in the set, then dividing by the total number of values in the set.

Only numerical variables—regardless of whether they are discrete or continuous—can be used to determine the mean. Simply dividing the total number of values in a data set by the sum of all of the values yields it.

The mean formula is

= {Sum of Observation} ÷ {Total numbers of Observations}

Given:

mean A of two numbers, x and y

So, the mean can be written as

mean A= x+ y/2

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