The value of ''- X'' will be;
⇒ - X = 19
What is Number line?
Number line is a horizontal line where numbers are marked at equal intervals one after another form smaller to greater.
Given that;
X is 19 units to the left of 0.
Now,
Since, X is 19 units to the left of 0.
Hence, The value of X = - 19
So, We get;
The value of - X = - (- 19)
= 19
Thus, The value of ''- X'' will be;
⇒ - X = 19
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If $a$, $b$, $c$, and $d$ are four different digits from $1$ to $9$, inclusive, then what's the largest possible value for the decimal $a. B + c. D$ ?.
The largest possible value for the decimal $a. B + c. D$ us:
9.7 + 8.6 which results to 18.3.
Given that a, b, c, and d are different numbers (from 1 to 9), we are to find the largest possible value of a.b + c.d.
This problem can be answered by trial and error and with some logic. Clearly, a to d cannot be at the lower end of the values (1 to 5). Since the digits must be different, it can be a combination of digits from 6 to 9.
It is rather tempting to say that the 9.8 + 7.6 would yield the highest possible sum (=17.4) but this is incorrect. Since it is the sum of two numbers with a decimal, we have to maximize on the ones digit first before maximizing the tenths digit. Therefore: the combination of numbers must then be:
9.7 + 8.6 which results to 18.3
9.6 + 8.7 yields 18.3 as well.
Hence we get the required answer,
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What type of variable is required to construct a confidence interval for a population proportion?.
The confidence interval for a proportion should be constructed since the variable of interest is a person's opinion, which is a qualitative variable.
What is a qualitative variable?A trait that cannot be quantified is referred to as a categorical variable (also known as a qualitative variable).
Nominal or ordinal categorical variables are also acceptable.
Since the variable of interest is a person's opinion, which is a qualitative variable, the confidence interval for a proportion should be built.
Statistical Variables Qualitative variables also referred to as categorical variables are variables without a built-in sense of hierarchy.
As a result, they are quantified using a nominal scale.
For instance, a qualitative variable is a name as well as hair color (Black, Brown, Gray, Red, Yellow).
Therefore, the confidence interval for a proportion should be constructed since the variable of interest is a person's opinion, which is a qualitative variable.
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Given the inequality 3(n − 6) < 2(n 12), determine which integer make the inequality fale. S:{−5}
S:{3}
S:{12}
S:{42}
The FALSE condition for the given inequality 3(n−6)<2(n+12) is (D) S:{42}.
What is inequality?An inequality in mathematics is a relation that compares two numbers or other mathematical expressions in an unequal way.
The majority of the time, size comparisons between two numbers on the number line are made.
So, we have the inequality: 3(n − 6) < 2(n + 12)
Now, verify the false inequality as follows:
(A) S:{−5}
3(n − 6) < 2(n + 12)
3(-5 − 6) < 2(-5 + 12)
3(-11) < 2(7)
-33 < 14: TRUE
(B) S:{3}
3(n − 6) < 2(n + 12)
3(3 − 6) < 2(3 + 12)
3(-3) < 2(15)
-9 < 30: TRUE
(C) S:{12}
3(n − 6) < 2(n + 12)
3(12 − 6) < 2(12 + 12)
3(6) < 2(24)
18 < 48: TRUE
(D) S:{42}
3(n − 6) < 2(n + 12)
3(42 − 6) < 2(42 + 12)
3(36) < 2(54)
108 + 108: FALSE
Therefore, the FALSE condition for the given inequality 3(n−6)<2(n+12) is (D) S:{42}.
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Correct question:
Given the inequality 3(n − 6) < 2(n + 12), determine which integer makes the inequality false.
a. S:{−5}
b. S:{3}
c. S:{12}
d. S:{42}
Sugar Bombs cereal is including a Sherlock Holmes action-figure in each box during a
promotion. Claire plans to purchase boxes until she has all five action-figures. How many boxes
should she expect to buy if each figure is equally likely to be in any box??
a. Describe how you will use a random number table to conduct this simulation.
b. Show five trials by clearly labeling the random number table given below. Specify the outcome of each trial.
73184 95907 05179 51002 83374 52297 07769 99792 78365 93487
72753 36216 07230 35793 71907 65571 66784 25548 91861 15725
c. State your conclusion.
Part a: Ignoring those that are bigger than 4.
Part b: labeling the random number.
Part c: conclusion, Claire should plan to purchase 12 boxes.
Describe the term random number table?A table of digits is a random number table. The numbers 1, 2, 3,4,5,6,7,8,9,0 were used as the starting point for the random procedure that selected the digit for each location in the table. Each digit had an equal chance of being selected.Part a: random number table;
Let each of five trials figures be represented by a number from 0 to 4.Pick digits at random from a table of numbers, ignoring those that are bigger than 4. Determine how many digits (0–4) from the table—including repeats—are required to get all five numbers. One try, like this.Part b: labeling the random number.
7318495907 05179 51002(10 boxes) 8337452297 07769 99792 78365 9348772753 36216 (15 boxes) 07230 35793 71907 65571 66784(10 boxes) 25548 91861 15725.
Part c: conclusion,
On average, Claire should plan to purchase 12 boxes.
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v.2 find the slope from two points
Answer:y2-y1/x2-x1
Step-by-step explanation:
The formula for rise over run or slope is y2-y1 divided by x2-x1
An example
(5,4),(3,7)
y2=7,y1=4
x2=3,x1=5
plug in and solve
7-4/3-5
slope would be -1
donnell is doing market research for a major brand by surveying customers at a local mall the probability of a customer agreeing to take the survey is 22% what is the probability that one of the first five sustomers agrees to take the survey
The probability that one of the first five customers agrees to take the survey is 71%
Here we have to use binomial distribution.
What is binomial distribution?
A common probability distribution known as the binomial distribution simulates the likelihood of getting one of two outcomes given a set of parameters. It provides a summary of the number of trials when each trial has an equal chance of producing a particular result.
A binomial distribution with the following formula could be used to represent the proportion of clients who agree to participate in the survey out of 5:
X ~ Bin (n = 5, p = 0.22)
Thus the probability is computed as:
P(X >= 1) = 1 - P(X = 0) = [tex]1 - (1-0.22)^5[/tex]
= 0.71
The required probability in this case is therefore 71%.
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Please help me!
If f(x) = 3x^2 -3 then what is f(4)?
Show work
Answer:
f(4)= 45
Step-by-step explanation:
f(x)=3x^2-3. (1)
f(4)=?
so we have to put x=4 in equation (1)
we get
f(4)=3[(4)^2]-3
f(4) =3(16)-3
f(4)= 48-3
f(4)= 45 Answer...
Aimee packs ice cream into an ice cream cone. She then puts a perfect hemisphere of ice cream on top of the cone that has a volume of 4 in.3 The diameter of the ice cream cone is equal to its height. What is the total volume of ice cream in and on top of the cone? Use the relationship between the formulas for the volumes of cones and spheres to help solve this problem. Show your work and explain your reasoning.
Answer:To help read it step by step until you understand trust me you will get it!
Step-by-step explanation:
The total volume of the ice cream in and on top of the cone is (16/3)πd³.
What is a cone?It is a shape of a Christmas tree where there is a base of radius r and a top point called the apex.
The volume of a cone is 1/3 πr²h.
We have,
Volume of the hemisphere = 4 in³
The volume of ice cream.
= Volume of the hemisphere + Volume of the cone
= 4 + (1/3)π(d/2)²h
[ height = diameter ]
= 4 + (1/3) x π x d²/4 x d
= 4 + (1/3) x π x d³/4
= 4 + (4/3)πd³
= (16/3)πd³
Thus,
The volume of the ice cream is (16/3)πd³.
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An employee at a paint manufacturing plant is mixing highly pigmented paint with some paint that is less pigmented. In addition to a large supply of 27%-pigment paint, he also has 160 liters of 12%-pigment paint. How many liters of the 27%-pigment paint should he add to the 12%-pigment paint to generate a batch of 15%-pigment paint?.
With the help of unitary method , we can say that ,To create a batch of 15%-pigment paint, he needs to mix 98.57 liters of the 27%-pigment paint with the 12%-pigment paint.
What is unitary method ?Area is the total amount of space that an object's shape or a flat (2-D) surface occupy.
Create a square on paper by using a pencil. Two dimensions make it up. A shape's area on paper is the space it takes up.
Imagine that your square is made up of smaller unit squares.
The area of a figure is equal to the number of unit squares required to completely cover the surface area of a particular 2-D shape. Square cms, square feet, square inches, square meters, etc. are a few common units for measuring area.
To get the area of the square figures presented below, draw unit squares with 1-centimeter sides. Therefore, the shape will be measured.
According to our question-
Paint volume times pigment concentration equals pigment amount.
or
V × c = P
If the three options are referred to as 1, 2, and 3, then
P₁ + P₂ = P₃
V1c1 = V2c2 + V3c3
Let x equal the paint's 11% volume.
Then
230 × 21 % + x × 11 % = (230 +x) × 18 %
Add 4830 plus 11x to get 4140 plus 18x, then take 4140 away from each side.
690 + 11x = 18x Take 11 times off of each side.
Divide each side of 690 by 7 to get the answer.
x = 98.57 L
The worker needs to add 98.57 L of the paint with a 21% pigment.
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Find the indicated side.
Hence, the indicated side hypotenuse is [tex]46[/tex].
What is the angle?
Angles are an integral facet in the study of mathematics, particularly geometry. Angles are formed by two rays (or lines) that begin at the same point or share the same endpoint. The point at which the two rays meet (intersect) is called the vertex.
Let us assume the angle name [tex]x[/tex] and the triangle [tex]ABC[/tex], and the hypotenuse is [tex]y[/tex].
Here given angle and side are
[tex]x=30[/tex] degree
And the side [tex]AB=23[/tex]
Now we are applying the [tex]sine[/tex] because it is
[tex]sinx=\frac{P}{H}[/tex]
So,
[tex]sin(30)=\frac{23}{y}\\\\\frac{1}{2}=\frac{23}{y}\\\\y=46[/tex]
Hence, the indicated side hypotenuse is [tex]46[/tex].
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r+r+r+r+r in algebraic simplified
Answer:
5r
Step-by-step explanation:
r+r+r+r+r=5r
Kari's renter's insurance is set to increase by 10% per month after she files a theft claim. If her premium is $35 per month, what
will her new premium be?
$45 per month
$31.50 per month
$38 per month
$38.50 per month
Answer: $38.50 per month
Step-by-step explanation: We have to find 10% of 35 and add it to 35. This is because 10% of 35 is the amount that will increase so adding that to the original 35 will be her new premium. 10% of 35 is $3.50 and $3.50 + $35 is $38.50. This means her new premium is $38.50 per month.
Help me please
Use the line information to determine the slope and y-intercept
The slope and y-intercept of the given equations of line are shown below.
What is the slope intercept form of an equation ?When any equation is represented in the y = mx +c form, it is called the slope intercept from of the equation.
Here m is slope and c is constant.
(1)
y = 3x + 3
Slope m = 3
y intercept, at x =0,
y = 3
(2)
y = 3x - 3
Slope m = 3
y intercept, at x =0,
y = - 3
(3)
y = (1/3)x + 3
Slope m = 1/3
y intercept, at x =0,
y = 3
(4)
y = -(1/3)x + 3
Slope m = -1/3
y intercept, at x =0,
y = 3
(5)
y = (1/3)x - 3
Slope m = 1/3
y intercept, at x =0,
y = -3
(6)
y = -(1/3)x - 3
Slope m = -1/3
y intercept, at x =0,
y = -3
(7)
y = -3x + 3
Slope m = -3
y intercept, at x =0,
y = 3
(8)
y = -3x - 3
Slope m = -3
y intercept, at x =0,
y = - 3
The slope and y-intercept are shown above.
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the trade magazine qsr routinely checks the drive-through service times of fast-food restaurants. % confidence interval that results from examining customers in taco bell's drive-through has a lower bound of seconds and an upper bound of seconds. complete parts (a) through (c). question content area bottom part 1 (a) what is the mean service time from the customers? the mean service time from the customers is enter your response here seconds
The mean service time from the customers are between 161.5 to 164.7 seconds.
The trade magazine QSR routinely checks the drive-through service times of fast-food restaurants.
A 90% confidence interval that results from examining 607 customers in Taco Bell's drive-through has a lower bound of 161.5 seconds and an upper bound of 164.7 seconds.
Let's denote the mean service time by μ. Then, note that, we are given that n=607. Also, we are said that a 90% CI for μ is given by
(161.5,164.7)
This implies that we are 90% confident that μ lies in the interval. Or to be precise, this interval is a realization of a random interval that has 90% probability of covering the true mean. Thus, we are 90% confident that the mean service times of the restaurants are between 161.5 to 164.7 seconds.
Hence the answer is The mean service time from the customers are between 161.5 to 164.7 seconds.
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The bottom of a swimming pool is 12 feet below the surface of the water.
What is the pool's depth in feet?
Enter your answer as an integer.
If it is negative, enter it like this: -42"
find the mean, median and mode of these numbers: 9, 10, 9, 9, 11, 9, 10, 9, 9, 10 round all answers to the hundreth place.
The mean median mode of the data 9,10,9,9,11,9,10,9,9,10 is
Mean =9.5
Median = 11 or 9
Mode is 9
Given that,
The data is 9,10,9,9,11,9,10,9,9,10
The data's mean, median, and mode must be determined.
We know that,
The arithmetic mean of the provided data is another name for mean. If the data are grouped and sorted in ascending order, the median is the value that falls in the middle of the set of grouped data. The value that dominates the data is known as the mode. The Mean, Median, and Mode formulas are described independently for the group of data in the sections that follow.
The data is 9,10,9,9,11,9,10,9,9,10
Mean = 9+10+9+9+11+9+10+9+9+10/10 =95/10=9.5
Median = 11 or 9
Mode is 9
Therefore, The mean median mode of the data 9,10,9,9,11,9,10,9,9,10 is
Mean =9.5
Median = 11 or 9
Mode is 9
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the sum of the height and radius of a right cylinder is 12 inches. what is the maximum volume of this cylinder
The maximum volume of this cylinder = 256π cubic inches
What is volume?
In three-dimensional space, volume is the area occupied by an object within its borders. Another name for it is an object's capacity.
Let h be the height and r be the radius.
Then, h+r = 12
=> h=12-r
Volume of the cylinder (V):
V=πr²h
=> h= πr² ( 12-r )
=> h= π ( 12r² - r³ )
Differentiate with respect to r , we get
dv/dr = 24 πr - 3πr²
Find r by taking dv/dr=0
24 πr - 3πr² = 0
3π ( 8r - r² ) = 0
8r = r²
r=8
Again differentiating, we get
d²V/dr² = 24π - 6 π r
When r=8, 24π - 48 π <0
So, V is maximum at r= 8 inches
And h= 12-8= 4 inches
Hence, the required volume of the cylinder = π8²*4 = 256π cubic inches
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What is the value of the expression below when z = 3?
z²+z+7
Answer:
19
Step-by-step explanation:
3^2+3+7
9+3+7
12+7
19
Hopes this helps please mark brainliest
there are a cup of milk and a cup of water. take one teaspoon of milk, put into the water cup; mix well. take one teaspoon of the mixture in the water cup and put into the milk cup then mix well. which is higher: the percentage of water in the milk cup or the percentage of milk in the water cup ?
The percentage of water in the milk cup and the percentage of milk in the water cup are same.
What is milk?
A white liquid meal called milk is generated by mammals' mammary glands. Before they can digest solid food, it is the main source of nutrition for young mammals. Milk immunity is influenced by immune components and immune-modulating elements.
Given:
There are a cup of milk and a cup of water.
Take one teaspoon of milk, put into the water cup; mix well.
Take one teaspoon of the mixture in the water cup and put into the milk cup then mix well.
Suppose the percentage of water cup are 'p' and the percentage of milk cup are 'q'.
When we add one teaspoon of milk and put into water cup then the percentage of water cup are 'p + 1'.
And the percentage of milk cup are 'q - 1'.
Again one teaspoon of mixture in the water cup put into the milk cup.
So, the percentage of milk cup are, q - 1 + 1 = q.
And the percentage of water cup are p + 1 - 1 = p.
The percentage will be same for both milk cup and water cup.
Hence, the percentage of water in the milk cup and the percentage of milk in the water cup are same.
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In winter, apple prices suddenly increase by €0.75 per kilogram. Sam bought 3 kilograms of apples for the new price of €5.88.
Answer:
p represents the original per pound price
3p represents the cost of three pounds
3p + 3(0.75) = 5.88 multiply
3p + 2.25 = 5.88 subtract 2.55 from both sides
3p = 3.63 divide both sidesby 3
p = 1.21
The original price was $1.21 per pound.
1.21 = 0.75
1.96
3(1.96)
5.88
find the most general antiderivative of the function. (check your answer by differentiation. use c for the constant of the antiderivative. remember to use absolute values where appropriate.) f(x)
Answer:
Step-by-step explanation:
help answer right answers only
Answer:
3. 70 degrees
4. 110 degrees
Step-by-step explanation:
3. The angles are mirrored on both sides
4. A straight line is equal to 180 degrees so if <AED is 70 degrees then you would do 180-70 to get 110 degrees
Circle the numbers that are divisible by both 2 and 3 (20,36,42,45,50,78)
Answer: 36, 42, 78
Step-by-step explanation:
20 is only divisible by 2
50 is only divisible by 2
45 is only divisible by 3
36/2=18 36/3=12
42/2=21 42/3=14
78/2=39 78/3=26
Answer: 36, 42, 78
Step-by-step explanation:
36/2= 15, 36/3=12
42/2= 21, 42/3=14
78/2=39, 78/3=39
A radio station had 198 tickets to a concert. They gave away 5 times as many tickets to listeners as to employees. How many tickets did they give away to employees?
The number of tickets that they give away to employees is 33.
What is an equation?An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenarios.
Let the number of employees be x
Therefore, number of listener = 5x
Total number of people = 198
Therefore, this will be illustrated thus:
x + 5x = 198
6x = 198
Divide
x = 198/6
x = 33
Therefore 33 tickets are given to employees.
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Does the point (-7, 5) satisfy the inequality y > -3/7x +2
Answer:
Yes, the point (-7, 5) satisfies the inequality y > -3/7x + 2
Step-by-step explanation:
Plug in the values to the inequality and verify if it is true:
x = -7, y = 5
5 > (-3/7*-7) + 2
5 > (-3/-49) + 2
5 > 3/49 + 2
5 > 101/49
The inequality above is true (5 is greater than 101/49 [101/49 is about 2.06]), so the point (-7, 5) satisfies y > -3/7x + 2
2 + 10 ^2 ( 9 + 10 )
Answer:
The answer is 1902
Step-by-step explanation: You use pemdas. First you ansewer whats in the parentheses then exponents then add
Answer:
1902
Step-by-step explanation:
10^2= 100
9+10= 19
2+100(19) 19*100=1900 and then add 2 to get 1902
In a coordinate plane, a line has two points A and B with the coordinates A(4,n) and B(10,6n). In the same coordinate plane, a different line has two points C and D with coordinates C(−3,−6) and D(9,8n). For what value of n are the two lines parallel?
For the two lines to be parallel, the value of n must be 3
How are two lines parallel in a coordinate?When two straight lines are plotted on the coordinate plane, we can tell if they are parallel from the slope, of each line. If the slopes are the same then the lines are parallel.
The slope of each line is calculated as (y2-y1)/x2-x1
for line AB, the slope = (6n-n)/10-4 = 5n/6
for line CD, the slope= 8n-(-6)/9-(-3)=( 8n+6)/12
for AB and CD to be parallel,
5n/6 = (8n+6)/12
multiply both sides by 12
10n= 8n+6
collect like terms
10n-8n= 6
2n= 6
n= 6/2= 3
therefore for the value of n= 3 line CD and AB are parallel.
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Solve for x on [0, 2pi]
secx-cscx=0
I know what the answer is but can someone help me with the process of finding it?
The required solution to the trigonometry equation is x = π/4 + π n.
The equation of trigonometry functions is given in the question as
secx - cscx = 0
We have to determine the solution to the given equation
As per the question, we have
⇒ secx - cscx = 0
⇒ 1/cosx - 1/sinx = 0
⇒ (-cosx + sinx)/cosxsinx = 0
Using property : f(x)/g(x) = 0 ⇒ f(x) = 0
⇒ -cosx + sinx = 0
Divided by cosx into the equation,
⇒ -1 + tanx = 0
⇒ tanx = 1
The general solution for tan tanx = 1 is
⇒ x = π/4 + π n
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In a circle, an angle measuring 7.1 radians intercepts an arc of length 2.4. Find the radius of the circle to the nearest 10th.
The radius of the circle with arc length of 2.4 and subtended angle at the center, 7.1 radians is 0.3
What is an arc of a circle?The arc of a circle is defined as the part or segment of the circumference of a circle. A straight line that could be drawn by connecting the two ends of the arc is known as a chord of a circle. If the length of an arc is exactly half of the circle, it is known as a semicircular arc.
length of arc = 2.4
if 7.1 rad is the angle subtended by the intercepts of the arc
But [tex]\pi[/tex] rad = 180°
so 7.1 rad in degree = [tex]\frac{7.1}{\pi }[/tex] x 180 which is [tex](\frac{1278}{\pi } )^{} }[/tex] degree which is [tex]\alpha[/tex]
Length of an arc = [tex]\frac{\alpha }{360} * 2\pi r[/tex]
2.4 = [tex](\frac{1278}{\pi } )^{} }[/tex] x [tex]\frac{1}{360}[/tex] x 2 x [tex]\pi[/tex] x r
The equation reduces to
2.4 = 7.1r
r = 2.4 ÷ 7.1
r = 0.334 which is 0.3
In conclusion the radius of the circle is 0.3
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• f(x):
=
6-4x
4x+x
dy u uv-uvi
=
dx v
22
Blaste
Love
Answer:
Step-by-step explanation:
fx+35+lovebased2=94