Answer:
$69.00
Step-by-step explanation:
Hi there,
In order to solve this problem, I used this formula:
Dollar Markdown = (markdown %)(original price)
You will end up with Markdown = (0.4) (115).
(Be sure to convert the percentage to a decimal value. (ex. 40% = 0.4))
After multiplying, we find that 46 dollars is 40% of the original price.
For the final step, simply subtract the original price by the amount marked down to get $69.00.
Hope this was useful. Cheers.
Find two numbers, if their sum is 93 and their difference is 9.
Answer:
51 and 42
Step-by-step explanation:
Use
x + y = 93
x - y = 9
Add those two equations together and you get 2x = 102
*y is not in the equation anymore because y + -y = 0*
Divide both sides by 2
x = 51
plug x into one of the equations; let's use x + y = 93
Then you get, 51 + y = 93
Subtract both sides by 51 and you get y = 42
Plug both in the other equation to make sure the numbers work.
51 + 42 = 93; true
51 - 42 = 9; true
Answer:
42 and 52
Step-by-step explanation:
Please help me answer this
Answer:
C
Step-by-step explanation:
for every value of x we put in the option the only function which satisfies the table of data is C
A class of 24 students is having a drawing. Each student's name is placed on a piece of paper and then placed in a hat. One name is randomly drawn from the hat.
If there are 12 boys in the class, what is the probability that the name drawn is a girl's?
A. 1/2
B. 11/24
C. 11/12
D. 13/24
The probability of drawing a girl's name from a hat with 24 students of which 12 are boys is 1/2 or 50%.
The question is regarding the probability that a randomly drawn name is a girl's if there are 24 students in a class with 12 boys. Since the number of girls must be 24 total students minus 12 boys, which leaves us with 12 girls, the probability of drawing a girl's name is the number of girls over the total number of students. Therefore, the probability is 12 girls divided by 24 students, which simplifies to 1/2.
What are the coordinates of vertex A of square ABCD?
Square A"B"C"D" is the final image after the rule
T-A-R .(X.) was applied to square ABCD.
(-1,-6)
(-1.-2
(-1,6)
(-2.1)
Answer:
(-2, 1)
Step-by-step explanation:
The coordinates of the vertex A of square ABCD is (1, 6).
What is Translation?Translation is a type of transformation of geometrical figures. After translation, the original figure is shifted from a place to another place without affecting it's size.
Given that,
A square ABCD undergoes a translation of (-4, -1) and a rotation of 90° to form the square A''B''C''D''.
Let (x, y) be the coordinates of A.
After the translation of (-4, -1), it becomes,
A'(x - 4, y - 1)
When it rotates to 90°, it becomes,
A''(-(y - 1), x - 4) = A''(1 - y, x - 4) = (-5, -3)
1 - y = -5 ⇒ y = 1 + 5 = 6
x - 4 = -3 ⇒ x = 1
Coordinates are (1, 6)
Hence the coordinates of A is (1, 6).
Learn more about Translations here :
https://brainly.com/question/12463306
#SPJ7
The complete question is as follows :
Square A"B"C"D" is the final image after the rule T -4, -1 • R 0, 90° (x, y) was applied to square ABCD. What are the coordinates of vertex A of square ABCD?
n a coordinate plane, a square A double-prime B double-prime C double-prime D double-prime has points (negative 5, negative 3), (negative 3, negative 1), (negative 1, negative 3), (negative 3, negative 5).
the sum of 5 consecutive odd numbers is 505
Answer:
In a sequence of 5 numbers, the 3rd number is the middle number. So in your problem the third number is the average of the 5 numbers -- which is the sum of the numbers, divided by how many there are: 505/5 = 101.
Explanation:
The 5 numbers will be: 97, 99, 101, 103 and 105
Let the 5 consecutive numbers be x-4, x-2, x, x+2 and x+4.
Now it is given that the sum of the 5 numbers is 505. This can be represented mathematically as follows:
[tex](x-4)+(x-2)+x+(x+2)+(x+4) = 505\\\\5x = 505\\\\x= 101[/tex]
So, x - 4 = 97
x - 2 = 99
x + 2 = 101
x + 4 = 103
Thus, the 5 numbers will be: 97, 99, 101, 103 and 105
Race Times
29 min.
31 min.
31 min.
34 min.
35 min.
37 min.
40 min.
42 min.
45 min.
Sarabeth used a box-and-whisker plot to summarize her race times in minutes. She didn't include her latest race time of 38 minutes. How will the inclusion of this new time affect the box-and-whisker plot?
A) The range will increase.
B) The median will increase.
C) The lower quartile will increase.
D) The upper quartile will increase.
Answer:
B) The median will increase.
Step-by-step explanation:
he original median was 35 and the new median is 36. The median will increase.
The sum of two consecutive even numbers is 206. What is the value of the smallest number?
Answer:
102
Step-by-step explanation:
Since we know that the numbers are two consecutive even numbers, we can write an equation like this where n represents the 2 numbers.
n + (n+2) = 206
Simplify the left side:
n + (n+2) = 206 -----> 2n+2 = 206
Subtract 2 from both sides:
2n = 206-2 -----> 2n = 204
Now divide 204 by 2:
n = 204/2 -----> n = 102
The smallest of two consecutive even numbers, whose sum is 206, is 102.
Explanation:The question is asking for the smallest of two consecutive even numbers whose sum is 206. Let’s denote the smaller even number by n. The next consecutive even number would be n+2 (since even numbers are two units apart).
The problem states that the sum of these two numbers is 206 which can be written in the equation form as n + (n+2) = 206. It simplifies to 2n + 2 = 206. Subtracting 2 from both sides, we get 2n = 204. And finally, dividing by 2, we find that n = 102. So, the smallest number is 102.
Learn more about Even Numbers here:https://brainly.com/question/37032385
#SPJ3
Given f(x) = -10x + 45, find x when f(x) = 15.
Answer:
3 =x
Step-by-step explanation:
f(x) = -10x + 45
f(x) = 15
15 = -10x +45
Subtract 45 from each side
15-45 = -10x+45-45
-30 = -10x
Divide each side by -10
-30/-10 = -10x/-10
3 =x
Find the roots of the factored polynomial.
(x + 6)(x + 3)
Answer:
x = -6 x=-3
Step-by-step explanation:
To find the roots, we set it equal to zero
(x + 6)(x + 3) =0
Using the zero product property
x+6 =0 x+3 =0
x = -6 x=-3
Answer:
x=-6,x=-3
Step-by-step explanation:
To solve this question we will have to solve one after another
(X+6)(x+3)
Let equate the equation to zero
So
(X+6)(x+3)=0
X+6=0
Substrate 6 from both sides
X=-6
X+3=0
Substrate 3 from both sides
x=-3
Therefore x=-6,x=-3
Which expression shows partial quotients of 96 divided by 4?
20 plus 4
10 plus 4
20 plus 2 plus 1
10 plus 10 plus 3
Answer:
20 plus 4
please mark me brainliest
Step-by-step explanation:
20 plus 4 is the expression shows partial quotients of 96 divided by 4.
Here, we have,
given that,
Which expression shows partial quotients of 96 divided by 4.
now, we get,
96 divided by 4
i.e. 96/4
=24
as we know that,
24 = 20 + 4
so, we get,
24 equals 20 plus 4
i.e. 96 divided by 4 equals 20 plus 4.
Hence, 20 plus 4 is the expression shows partial quotients of 96 divided by 4.
To learn more on Expression click:
brainly.com/question/14083225
#SPJ6
Convert -18° to radians.
Answer: -(pi)/10 radians or D on Edge
Step-by-step explanation: correct answer on edge
Madison claims that two data sets with the same median will have the same variability. Which data set would provide good support for whether her claim is true or false?
Her claim is true and she should use these data sets to provide support.
A box-and-whisker plot. The number line goes from 0 to 11. The whiskers range from 2 to 11, and the box ranges from 4 to 9. A line divides the box at 7.
A box-and-whisker plot. The number line goes from 0 to 11. The whiskers range from 2 to 11, and the box ranges from 4 to 9. A line divides the box at 6.
Her claim is true and she should use these data sets to provide support.
A box-and-whisker plot. The number line goes from 0 to 11. The whiskers range from 2 to 11, and the box ranges from 4 to 9. A line divides the box at 7.
A box-and-whisker plot. The number line goes from 0 to 11. The whiskers range from 2 to 11, and the box ranges from 5 to 8. A line divides the box at 7.
Her claim is false and she should use these to show that two data sets with the same median can have different variability.
A box-and-whisker plot. The number line goes from 0 to 11. The whiskers range from 2 to 11, and the box ranges from 4 to 9. A line divides the box at 7.
A box-and-whisker-plot. The number line goes from 0 to 11. The whiskers range from 2 to 11, and the box ranges from 5 to 8. a line divides the box at 7.
Her claim is false and she should use these to show that two data sets with the same median can have different variability.
A box-and-whisker plot. The number line goes from 0 to 11. The whiskers range from 2 to 11, and the box ranges from 4 to 9. A line divides the box at 7.
A box-and-whisker-plot. The number line goes from 0 to 11. The whiskers range from 2 to 11, and the box ranges from 5 to 8. a line divides the box at 5.5.
Answer:
A
Step-by-step explanation:
bruh
Answer:
C
Step-by-step explanation:
just my guess-
this is extremely hard and im not very smart:(
Answer:
The answer is B.
Step-by-step explanation:
The picture shows a right-angle triangle which is 90°. So you have to add up the expressions, in order to solve for x :
35° + 5x° = 90
A bar graph is shown. The x-axis is labeled 1 through 9 and the y-axis is labeled 0, 5, 10, 15. Bar 1 is 2 units high, bar 2 is 4 units high, bar 3 is 6 units high, bar 4 is 8 units high, bar 5 is 10 units high, bar 6 is 8 units high, bar 7 is 6 units high, bar 8 is 4 units high, and bar 9 is 2 units high.
Which of the following statements is true about a graph that is perfectly symmetric, such as the one above?
The mean is greater than the median.
The mean is equal to the median.
The mean is less than the median.
Answer:
the mean is equal to the median
Step-by-step explanation:
From the bar graph,
The mean is equal to the median.
Option B is the correct answer.
What is a bar graph?A bar graph is a type of chart used to represent data using rectangular bars, where the length or height of each bar corresponds to the value of the data.
The bars can be arranged horizontally or vertically and are usually separated by equal spaces.
The x-axis represents the categories or groups being compared, and the y-axis represents the scale or measurement of the data being shown.
We have,
For a graph that is perfectly symmetric, the mean and median are equal.
In the given bar graph, the bars are perfectly symmetric around the middle bar, which is bar 5.
This means that the median value of the data represented by the graph is 5.
To find the mean of the data, we can add up the heights of all the bars and divide by the total number of bars:
(2 + 4 + 6 + 8 + 10 + 8 + 6 + 4 + 2) ÷ 9 = 6
So the mean value of the data is also 6.
Therefore,
The mean is equal to the median.
Learn more about bar graphs here:
https://brainly.com/question/31158676
#SPJ2
How many ways can you write y^6 as the product of two powers?
Answer:
4
Step-by-step explanation:
Write y6 as a product of two powers with the same base in four different ways, using negative or zero exponents in each product.
Most married couples have two or three personality preferences in common. Myers-
Briggs used a random sample of 375 married couples and found that 132 had three
preferences in common. Another random sample of 571 couples showed that 217 had
two personality preferences in common. Find a 90% confidence interval for the
proportion of married couples with three personality preferences in common compared
with the proportion of couples with two preferences in common. (Show your confidence
in interval notation and show your interpretation, which was larger?
Answer:
The 90% confidence interval for the proportion of married couples with three personality preferences in common compared with the proportion of couples with two preferences in common is (-0.081, 0.025).
Step-by-step explanation:
The (1 - α)% confidence interval for difference in proportion formula is,
[tex]CI=(\hat p_{1}-\hat p_{2})\pm z_{\alpha/2}\sqrt{\frac{\hat p_{1}(1-\hat p_{1})}{n_{1}}+\frac{\hat p_{2}(1-\hat p_{2})}{n_{2}}}[/tex]
The given information is:
n₁ = 375,
n₂ = 571,
X₁ = 132,
X₂ = 217.
Compute the sample proportion as follows:
[tex]\hat p_{1}=\frac{X_{1}}{n_{1}}=\frac{132}{375}=0.352\\\\\hat p_{2}=\frac{X_{2}}{n_{2}}=\frac{217}{571}=0.38\\[/tex]
For the 90% confidence level, the z-value is,
z₀.₀₅ = 1.645
*Use a z-table.
Compute the 90% confidence interval for the difference in proportion as follows:
[tex]CI=(\hat p_{1}-\hat p_{2})\pm z_{\alpha/2}\sqrt{\frac{\hat p_{1}(1-\hat p_{1})}{n_{1}}+\frac{\hat p_{2}(1-\hat p_{2})}{n_{2}}}[/tex]
[tex]=(0.352-0.38)\pm 1.645\sqrt{\frac{0.352(1-0.352)}{375}+\frac{0.38(1-0.38)}{571}}\\=-0.028\pm 0.05256\\=(-0.08056, 0.02456)\\\approx (-0.081, 0.025)[/tex]
The 90% confidence interval for the proportion of married couples with three personality preferences in common compared with the proportion of couples with two preferences in common is (-0.081, 0.025).
This confidence interval implies that the true difference between the proportions lies in this interval with probability 0.90.
The 90% confidence interval for the difference in proportions of married couples with two and three personality preferences in common is (0.027, 0.089). This indicates that with 90% confidence, the proportion of couples with two preferences in common is significantly higher.
Explanation:Firstly, we need to find the proportions for both samples. The proportion for three personality preferences in common is 132/375 = 0.352 and for two personality preferences in common is 217/571 = 0.380.
Next, to compute the standard error, we use the formula √[ P(1 - P) / n ]. For three personality preferences we get √[ 0.352(1 - 0.352) / 375] = 0.026. And for two personality preferences we obtain √[ 0.380(1 - 0.380) / 571] = 0.021.
From these, the difference in the two sample proportions can be calculated, which is 0.380 - 0.352 = 0.028. The standard error of the difference can then be calculated as √( 0.026 ^ 2 + 0.021 ^ 2) = 0.033. At the 90% confidence level, the z-score is 1.645.
To calculate the confidence interval, note that 0.028 ± 1.645 * 0.033 is the equation we are trying to solve. This produces a range from 0.027 to 0.089.
So, the 90% confidence interval for difference in proportions is (0.027, 0.089), meaning that with 90% confidence, the proportion of couples with two preferences in common is significantly higher than those couples with three personality preferences in common.
Learn more about Confidence Interval here:https://brainly.com/question/34700241
#SPJ12
Which correctly describes a cross section of the right rectangular prism if the base is a rectangle measuring 15 inches by 8 inches? Select three options.. A right rectangular prism with length 15 inches, width of 8 inches, and height of 6 inches. A cross section parallel to the base is a rectangle measuring 15 inches by 8 inches. A cross section parallel to the base is a rectangle measuring 15 inches by 6 inches. A cross section perpendicular to the base through the midpoints of the 8-inch sides is a rectangle measuring 6 inches by 15 inches. A cross section perpendicular to the base through the midpoints of the 8-inch sides is a rectangle measuring 4 inches by 15 inches. A cross section not parallel to the base that passes through opposite 6-inch edges is a rectangle measuring 6 inches by greater than 15 inches. i will give brainly.
The statements which correctly describes a cross section of the right-rectangular prism if the base is a rectangle measuring 15 in. by 8 in. are: B, D and F.
The surface area of a rectangular prism.Mathematically, the surface area of a right-rectangular prism is calculated by using this formula:
A = 2(wl + hl + hw)
Where:
A is the surface area.l is the length.w is the width.h is the height.Based on the surface area of this right-rectangular prism, we can deduce the following points:
A cross-sectional area that is parallel to the base is a rectangle which measures 15 inches by 8 inches.A cross-sectional area that is perpendicular to the base through the midpoints of the 8-inch sides is a rectangle whch measures 6 inches by 15 inches.A cross-sectional area that is not parallel to the base and passes through opposite 6-inch edges is a rectangle whch measures 6 inches by greater than 15 inches.Read more on rectangular prism here: brainly.com/question/3867601
#SPJ2
There are 15 animals in a barn. These animals are horses and chickens. There are 44 legs in all. Write a system of equations that represents the situation and find out how many animals were horses and how many were chickens?
Final answer:
there were 7 horses and 8 chickens in the barn.
Explanation:
To represent the situation with a system of equations, let's assume that the number of horses is represented by 'h' and the number of chickens is represented by 'c'.
We know that there are a total of 15 animals, so we can write the equation: h + c = 15.
We also know that the total number of legs is 44, and since each horse has 4 legs and each chicken has 2 legs, we can write the equation: 4h + 2c = 44.
To solve this system of equations, we can use the method of substitution or elimination. Substituting h = 15 - c into the second equation, we get 4(15 - c) + 2c = 44. Simplify and solve for c to find the number of chickens, then substitute the value of c back into the first equation to find the number of horses.
Let's solve this system of equations:
h + c = 15
4h + 2c = 44
We can solve this using the method of substitution:
h = 15 - c
Substituting this into the second equation:
4(15 - c) + 2c = 44
60 - 4c + 2c = 44
-2c = 44 - 60
-2c = -16
c = -16/-2
c = 8
Substituting the value of c back into the first equation:
h + 8 = 15
h = 15 - 8
h = 7
So, there were 7 horses and 8 chickens in the barn.
A circle with the are 16pi has a sector with the central angel of 8/5 radians
Answer:
3/2 units^2
Step-by-step explanation:
The area of the entire circle is 16π. What is the area of a sector of this circle if the central angle (not angel) is 8/5 radians?
Formula: (fraction of circle represented by the sector)(area of the circle
Area of the sector described above is
8/5 radians 8*16π square units
----------------------- * 16π square units = ------------------------------ = 3/2 units^2
2π radians 10π
Which polynomials are in standard form?
Choose all answers that apply:
5 – 20
® 24 – 8x2 – 16
©
523 + 4x4 – 32 +1
0
None of the above
Answer:
None of the above
Step-by-step explanation:
None of the above polynomials are in standard form.
For a standard normal distribution, which of the following variables always equals 1?
Mu
Sigma
x
z
Answer:
The mean is 0 and the deviation 1. And we can express this distribution with the following notation:
[tex] Z \sim N (\mu =0,\sigma =1)[/tex]
[tex]\sigma = 1[/tex] correct the deviation for this special distributionn is always 1
Step-by-step explanation:
The normal standard distribution is an special case of the normal distribution with some parameters on specific.
The mean is 0 and the deviation 1. And we can express this distribution with the following notation:
[tex] Z \sim N (\mu =0,\sigma =1)[/tex]
And when we analyze the options we can conclude this:
[tex]\mu[/tex] this value for this distribution is always equal to 0 and not 1
[tex]\sigma = 1[/tex] correct the deviation for this special distributionn is always 1
[tex]x[/tex] this value can be any value higher or lower than 1 so then is not the correct option
[tex]z[/tex] this variable can be different from 1 so then is not the correct option
Answer:
The mean is 0 and the deviation 1. And we can express this distribution with the following notation:
correct the deviation for this special distributionn is always 1
Step-by-step explanation:
The normal standard distribution is an special case of the normal distribution with some parameters on specific.
The mean is 0 and the deviation 1. And we can express this distribution with the following notation:
And when we analyze the options we can conclude this:
this value for this distribution is always equal to 0 and not 1
correct the deviation for this special distributionn is always 1
this value can be any value higher or lower than 1 so then is not the correct option
this variable can be different from 1 so then is not the correct option
Step-by-step explanation:
Alice has two flying disks. One is 12 cm in diameter and the other is 24 cm in diameter. What is the difference between the areas of the two flying disks?
Answer:
432π cm² or 1356.48 cm²
Step-by-step explanation:
The area of a circle is πr²
The area of the disks are 144π and 576π.
576π-144π = 432π
432π ≈ 1356.48 cm²
To find the difference in areas of two circles, calculate the area of each circle using the formula πr² and then subtract the smaller area from the larger one. For Alice's discs with diameters 12 cm and 24 cm, the areas are 36π and 144π square cm respectively, and their difference is 108π square cm.
Explanation:To find the difference in the areas of Alice's two flying disks, first we need to calculate the area of each disk. The formula for the area of a circle (or disk) is πr², where r is the radius of the circle. The radius is half of the diameter, so for the first disk, the radius is 6 cm and for the second disk, the radius is 12 cm.
The area of the first disk is π*(6 cm)² = 36π square cm. The area of the second disk is π*(12 cm)² = 144π square cm. The difference between these two areas is 144π - 36π = 108π square cm.
Learn more about Difference in Circle Areas here:https://brainly.com/question/28653879
#SPJ11
ASAP help please!
The Venn diagram represents probabilities associated with two events. A is the event that the student has a regular afterschool activity, and B is the event that the student comes to school by bus. What is the probability that the student has an after-school activity and does NOT come to school by bus?
Answer:
0.22
Step-by-step explanation:
Looking at the Venn Diagram,
the intersection "0.43" means coming via bus and having after-school activity.
"0.12" means students who does not come by bus and who does not have after-school activity.
Now, we want probability of "having after-school" activity (the area A) but NOT COMING VIA BUS (area outside B).
We want the area outside B but within A.
That area is labeled 0.22
Hence,
The probability that the student has an after-school activity and does NOT come to school by bus is 0.22
Steve decided to buy a box of pizza from another restaurant. The
restaurant is offering a square pizza and a round pizza. Round pizza
has an area of 49 pi square inches. The square pizza has an area of 49
square inches. Which box of pizza will Steve buy if he wants to eat
more crust? Explain your reasoning.
Show your work
Answer:
Round pizza
Step-by-step explanation:
Area of the Round Pizza =[tex]49 \pi[/tex] square inches.
Area of the Square Pizza = 49 square inches.
Recall that: [tex]\pi =\frac{22}{7}[/tex]
Therefore:
Area of the Round Pizza =[tex]49 \pi=49X\frac{22}{7}=154 \:Square \:Inches[/tex]
Since 154 is greater than 49(154>49)
If Steve wants to eat more crust, he will buy the round pizza.
I need help with slope.
Answer:
For #1, the slope is [tex]\frac{2}{2}[/tex], which could also be written as 1
For #2, the slope is [tex]\frac{1}{4}[/tex]
For #3, the slope is [tex]-\frac{2}{1}[/tex], which could also be written as -2
Step-by-step explanation:
Remember, [tex]\frac{rise}{run}[/tex]
What is 27% of 76,200
You can evaluate every percentage in two simple steps:
First of all, divide your number by 100. This will give you the 1% of your quantity:
[tex]\dfrac{76200}{100}=762[/tex]
Then, multiply the 1% by 27 to get the 27%:
[tex]762\cdot 27=20574[/tex]
27% of 76,200 is 20,574.
"To calculate 27% of 76,200, one can multiply the total amount by the percentage value, expressed as a decimal or fraction. Here is the step-by-step calculation:
First, convert the percentage to a decimal by dividing by 100:
"To calculate 27% of 76,200, one can multiply the total amount by the percentage value, expressed as a decimal or fraction. Here is the step-by-step calculation:
First, convert the percentage to a decimal by dividing by 100:
[tex]\[ 27\% = \frac{27}{100} = 0.27 \][/tex]
Next, multiply this decimal by the total amount:
[tex]\[ 0.27 \times 76,200 = 20,574 \][/tex]
Therefore, 27% of 76,200 is 20,574.
The answer is: 20,574."
A rectangular prism has a volume of 1,200 cubic units. The prism has a length of 24 units and a height of 5 units. What is the width of the prism?
Answer:
10 units
Step-by-step explanation:
Divide the volume by the product of the length and height to calculate the rectangular prism's width.
1200 / 24 x 5 = 10 units
Which inequality best represents the following situation: The speed limit in your neighborhood is 30 miles an hour and you are not breaking the law.
Answer:
D
Step-by-step explanation:
You can drive anywhere less than or equal to 30 mph, and it'd be legal
Simplify each expression 8+7y-3y+2-4
Find the sum of the first 9 terms in the following geometric series.
64 + 32 + 16 + ...
Answer: 64 + 32 + 16 + 8 + 4 + 2 + 1 + .5 + .25 = 127.75
Step-by-step explanation: the sequence divides the next number by 2 ; 64/2 = 32, 32/2 = 16, etc
Answer:
127.75
Step-by-step explanation: