Answer:
sorry but the pic is too blurr
Step-by-step explanation:
if u could fix the blurr so I can answer properly
Find the product of -4(-5)
Answer:
20
Step-by-step explanation:
and negitive times a negative makes a positive
Produce means answer to multiplication
Answer:
20
Step-by-step explanation:
what percent of one us dollar is $.25
Answer:
25%
Step-by-step explanation:
25/100 = 25%
The percentage value of $0.25 in one dollar is 25%.
Given data:
The initial amount is represented as $0.25.
The value of one dollar is $1.
To determine what percent $.25 is of one US dollar, divide $.25 by $1 and then multiply by 100 to express it as a percentage.
($.25 / $1) * 100 = 0.25 * 100
0.25 * 100 = 25 %
So, the value is 25 %.
Hence, $.25 is 25% of one US dollar.
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−0.22+�−0.33−0.22x+x−0.33x?
The answer to the equation −0.22x + x − 0.33x is 0.11x.
The answer is 0.11x. To solve this, we can start by rearranging the terms of the equation. The equation can be written as:
−0.22x + x − 0.33x = −0.22 + 0.33x
We then subtract x from both sides of the equation, resulting in:
−0.22x − x = −0.22 + 0.33x − x
We then combine like terms on the left side of the equation, resulting in:
−1.22x = −0.55
Finally, we divide both sides of the equation by -1.22 to solve for x, resulting in:
x = 0.11
Therefore, the answer is 0.11x.
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Complete question
What is the value of -0.22+−0.33−0.22x+x−0.33x?
ANSWER ASAP THE RIGHT ANSWER GETS BRAINIEST!!!
Which graph shows a non-proportional tinear relationship between x and y
A
с
B
D
14. y = -(x - 2)² + 1 graphed
Two-variable linear equations have a line as their graph, which is why they are referred to as linear equations. Plotting (x1,y1) and (x2,y2), then creating a line that connects the two.
How do you draw a graph ?\($\frac{d}{d x}\left(-(x-2)^2+1\right)$\)
Domain of \($-(x-2)^2+1:\left[\begin{array}{cc}\text { Solution: } & -\infty < x < \infty \\ \text { Interval Notation: } & (-\infty, \infty)\end{array}\right]$\)
Range of \($-(x-2)^2+1:\left[\begin{array}{cc}\text { Solution: } & f(x) \leq 1 \\ \text { Interval Notation: } & (-\infty, 1]\end{array}\right]$\)
Interception zones on the axis \($-(x-2)^2+1: \quad X$\) Intercepts: \($(3,0),(1,0), Y$\)Intercepts: (0,-3) .
Vertex of \($-(x-2)^2+1: \quad$\) Maximum (2,1) .
The graph of the equation y=2x+1 shows a straight line, or it is a linear equation. When the value of x rises, eventually the value of y rises by twice the rise in x plus one. With a ruler and the specified amount as the starting point, draw a vertical line. From the line across to the -axis, create a horizontal line using a ruler. Look at the value on the -axis.
There are three fundamental ways to graph linear functions. The initial method involves charting points and then tracing a line through them. The second is by using the slope and y-intercept. The identity function f(x)=x is transformed as the third method.
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Rotation 90° clockwise about the origin
N
O
G
An image of triangle NOG after a rotation 90° clockwise about the origin is shown below.
What is a rotation?In Mathematics and Geometry, a rotation is a type of transformation which moves every point of the object through a number of degrees around a given point, which can either be clockwise or counterclockwise (anticlockwise) direction.
Next, we would apply a rotation of 90° clockwise about the origin to the coordinate of this triangle NOG in order to determine the coordinate of its image;
(x, y) → (y, -x)
Point N = (-4, -1) → Point N' (-1, 4)
Point O = (-4, -3) → Point O' (-3, 4)
Point G = (0, -1) → Point G' (-1, 0)
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The principal of a large high school is concerned about the number of absences for students at his school. to investigate, he prints a list showing the number of absences during the last month for each of the 2500 students at the school. for this population of students, the distribution of absences last month is skewed to the right with a mean of 1.1 and a standard deviation of (1.4). suppose that a random sample of 50 students is selected from the list printed by the principal and the sample mean number of absences is calculated.
a.) What is the shape of the sampling distribution of the sample mean? Explain
b.) What are the mean and standard deviation of the sampling distribution of the sampling mean?
c.) What is the probability that the mean number of absences in a random sample of 50 students is less than 1?
d.) Because the population distribution is skewed, the principal is considering using the median number of absences last month instead of the mean number of absences to summarize the distribution. Describe how the principal could use a simulation to estimate the standard deviation of the sampling distribution of the sample median for random samples of size 50.
The shape of the sampling distribution of the sample mean is approximately normal because the sample size is greater than 3.
Why do we use sampling distribution?The probability distribution of a statistic acquired from a bigger sample size taken from a certain population is known as the sampling distribution. The frequency distribution of a variety of possible outcomes for a population statistic makes up the sampling distribution of a specific population.The probability distribution of a statistic that is produced by taking numerous samples from a certain population is known as the sampling distribution. To make the process of statistical inference simpler, researchers utilize sample distributions.When you repeat your survey or poll for all potential samples of the population, you get the sampling distribution of a proportion. For instance, you may conduct many polls rather than asking 1000 cat owners which cat food they prefer.Given data :
a ) Approximately normal because the sample size is greater than 3.
b ) b ) ux = 1.1 and Jx = \(\frac{1.4}{\sqrt{40} }\)= 0.198
c ) c ) P ( ux ∠ 1 ) = normal cdf ( lower : 1000, upper : 1, u : 1.1 , J : 0.198 ) = 0.3068
d ) The principal could pick 50 students may times and find the median and repeat several times until he has every possible sampling distribution.
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Please answer this correctly without making mistakes
Answer:
144 feet and 8 inches
Select all of the expressions that will correctly calculate what percent 19 is of 20. 19 20 100 19 20 - 100 20 19 100 19-100 20
The expressions that will correctly calculate what percent 19 is of 20 are:
A.19/20 .100
D.19.100/20
How can the percentage be known?The concept that will be used here is percentage. A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The proportion therefore refers to a component per hundred. Per 100 is what the word percent means.
From the options we can see that to find the percentage of 19 of 20, iot can be expressed mathematically as :
(19/20) *100 and this can as well be expressed as (19*100)/20 becausethey will still give use the same value which is 95%
Therefore, option A and D are correct.
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If x = 2, solve for y. y = 6.3x y=[?]
Answer: y = 12.6
Step-by-step explanation:
Since x = 2 and y = 6.3 * x, y = 6.3 * 2.
6.3 * 2 is equal to 12.6, so y is 12.6.
Answer:
y = 12.6
Step-by-step explanation:
y = 6.3x x = 2
Solve for y.
y = 6.3(2)
y = 12.6
So, the answer is 12.6
HELP MEEEEE PLEAAASSEE!!
Whoever answers right gets marked brainliest!
Answer:
\(m = \frac{4 - ( \sqrt[3]{ - 6} + 4)}{0 - ( - 6))} = \frac{ \sqrt[3]{6} }{6} = .303\)
So the average rate of change of g(x) over -6 < x < 0 is about .303.
1. Determine the place value (weight) of each digit in a five-digit number in base-8 (octal).
Let y be a five-digit octal number,
\(\begin{gathered} y=(\text{ijklm)}_8 \\ \text{where ijklm }\in\mleft\lbrace0,1,2,3,4,5,6,7\mright\rbrace \end{gathered}\)Then,
\(y=i\cdot8^4+j\cdot8^3+k\cdot8^2+l\cdot8^1+m\cdot8^{0}\)The place value (weight) of i is 8⁴, of j is 8³, of k is 8², of l is 8, and of m is 8⁰.
(7-32)Hector has a part-time job at a garage. He gets a paycheck of $820 every fourweeks.
a. If he pays 15% in taxes, that means that he recieves 85% of his paycheck. We can calculate this percentage using a rule of three:
This way,
\(x=\frac{820\cdot85}{100}\Rightarrow x=697\)His paycheck after taxtes is $697
b. He can expect to recieve 3/4 of his regular paycheck, or 75%. We can also calculate this percentage using a rule of three:
Therefore,
\(x=\frac{697\cdot75}{100}\Rightarrow x=522.75\)He can expect to recieve $522.75
c. If he gets a 10% raise, it means he'll get 110% of his $679 4-week paycheck. We'll use a rule of three again,
This way,
\(x=\frac{697\cdot110}{100}\Rightarrow x=746.90\)He will recieve $746.90 after the 10% raise
in the fruit bowl there are 12 bananas 8 apples and 4 oranges. do for every one orange there are ___ bananas
For every 1 orange in the fruit bowl there are three bananas.
According to the question,
We have the following information:
In the fruit bowl there are 12 bananas, 8 apples and 4 oranges.
Now, in order to find the number of bananas in this fruit bowl for 1 orange can be as written below:
4 oranges = 12 bananas
Now, to find the number of bananas for 1 orange, we will divide the total number of bananas by the number of oranges.
So, we have the following expression:
1 orange = 12/4 bananas
1 orange = 3 bananas
Hence, for every 1 orange in the fruit bowl there are three bananas.
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Question
Express the inequality x > -1 using interval notation
Step-by-step explanation:
x > -1
x = {0,1,2,...}
\( \lang -1,+\infty \rang\)
Your neighbor's are building a dog pen in the shape of a right triangle. The legs of the triangular pen measures 9 meters and 12 meters. Find the perimeter of the enclosed space
Exercise 7
a) Find the perimeter of a square whose side is 9 cm.
b) Find the perimeter of a rectangle of length 25 cm and width 7 cm.
c) Calculate the length of a rectangle whose perimeter is 44 cm and width is 8
cm.
d) Calculate the width of a rectangle whose perimeter is 24 cm and length is 10
cm.
e) Draw a square of side 5 cm.
answer:
a) 36
b) 64
c) 14
d) 2
solution:
a)9 x 4= 36
b) 25 + 25 + 7 + 7 = 64
c) 8 + 8 = 16, 44-16 = 28, 28/2 = 14
d) 10 + 10 = 20, 24-20 = 4, 4/2 = 2
Find the volume of the figure. For calculations involving , give both the exact value and an approximation to the nearest hundredth of a unit. Let d = 10 and h = 18.
________ ft3 ≈ _________ft3
Thus, the volume of cylinder with the given height and diameter is found as 1413 ft³.
Explain about the shape of cylinder:A cylinder is three-dimensional. It's not a flat thing. There are parallel circular bases in this shape. These bases have a curved face affixed to them. A cylinder in this instance has three faces. Along both end of a curved face, which rounds back to the face's origin, are two spherical bases.
Given that-
diameter d = 10 ftRadius r = 10/2 = 5 ftHeight h = 18 ftVolume of cylinder = πr²h
Volume of cylinder = 3.14 *5²*18
Volume of cylinder = 3.14*25*18
Volume of cylinder = 1413 ft³
Thus, the volume of cylinder with the given height and diameter is found as 1413 ft³.
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9. Which statements contradict each other? I. triangle ABC is a right triangle. II. m angle A = 41° III. m angle B = 103° A. I and II B. I and III C. II and III D. None of the statements are contradictory. 1
The contradicting statement is
B. I and III
How to know the contradictory statementThe contradictory statement is that of I and III since the sum of angles in a triangle is always 180 degrees.
Given that
I. triangle ABC is a right triangle. say angle C = 90 degrees and
angle B = 103 degrees,
So the sum of the angles in the triangle would be:
= angle B + m angle C
= 103 + 91
= 194
This is against the law of angles of a triangle
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6 Adult tickets + 5 kids tickets = 112.50$ Day 1
Day 2
8 adult tickets + 4 kid tickets = 130$
Please explain
How much do the tickets cost for A adult tickets or
C kids tickets for both days?
Answer:
Adult : $12.5 per ticket
Kids: $7.5 per ticket
Day 1
Adult tickets were $75
Kids tickets were $37.5
Day 2
Adult tickets were $100
Kids tickets were $30
Step-by-step explanation:
Answer:
The first Day for Adults it cost 18.75 and for the kids it cost 22.5
The Second Day for the Adults is 16.25 and for the kids it is 32.5
Step-by-step explanation:
The way I Solved this is i took the amount it cost a didved it by how many Adult tickets there were and how many Kids tickets there and there you go. Super Easy!!
117
x
x + 3
Find the value of x.
Answer:
114 I believe........
..
Answer:
what?
Step-by-step explanation:
evaluate the expression when x =1/4 and y = 1/2 PLZ HELP
Answer:
Where's the expression?
Step-by-step explanation:
what is the slope of the line for 1,-7 and 3, -21?
Slope formula
y2-y1/x2-x1
1 = x1
-7 = y1
3 = x2
-21 = y2
Plug in the given values into their corresponding spot in the formula:
-21 - (-7) / 3 - 1
-21 - (-7) is the same as -21 + 7
-21 + 7 is the same as 7 - 21
7 - 21 = -14
3 - 1 = 2
-14/2
-14 divided by 2 = -7
The slope is -7
50 POINTS (SUPER IMPORTANT PLEASE HELP)
Simplify 6/√5 with steps and simplify 5/√45 with steps
#1
\(\sf \longmapsto \dfrac{6}{ \sqrt{5} } \)
\(\sf \longmapsto \: \dfrac{6}{5} \sqrt{5} \)
\(\sf \longmapsto2.683282\)
#2
\(\sf \longmapsto5/\sqrt{45} \)
\(\sf \longmapsto \: \dfrac{1}{3} \sqrt{5} \)
\(\sf \longmapsto0.745356\)
if i have 100 dollars to spend and i get a 40 percent discount how much can i spend in all with the 40percent discount? to use the full 100$
Answer:
You will need to spend $250Explanation: 250 x 0.40 = 100
Sobre una embarcación de 160 kg que está en reposo con su proa apuntando a la orilla, comienza a caminar una persona de 70 kg desde la proa hacia la popa, a 0.80 m/s respecto a la embarcación. ¿Cuáles son las velocidades de la embarcación y de la persona respecto a la orilla? Desprecia la resistencia del agua al movimiento.
The velocities of the boat and the person relative to the shore are 1.337 m/s and 2.896 m/s, respectively.
How to calculate the velocityWe can use the conservation of momentum equation:
(mboat + mperson) * vboat = mperson * vperson
(160 kg + 70 kg) * vboat = 70 kg * (0.80 m/s + vperson)
230 kg * vboat = 56 kg * (0.80 m/s + vperson)
vboat = (56/230) * (0.80 m/s + vperson)
vperson = 0.80 m/s + vboat
vperson = 0.80 m/s + (56/230) * (0.80 m/s + vperson)
(174/115) * vperson = (504/115) * m/s
Dividing both sides by (174/115), we get:
vperson = 2.896 m/s
vboat = (56/230) * (0.80 m/s + vperson)
Substituting the value of vperson, we get:
vboat = 1.337 m/s
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On a 160-kg boat that is at rest with its bow pointed to the shore, a 70-kg person begins to walk from the bow to the stern at 0.80 m/s relative to the boat. What are the velocities of the boat and the person relative to the shore? Neglect the resistance of water to motion.
A shipping company rounds up to the nearest ton to figure out shipping charges. If you want to ship 14, 700 statuettes, each weighing 15 ounces, how many tons will you be billed for?
Answer:
6.890625 Tons
Step-by-step explanation:
To get total in ounces: [(14,700 x 15) = 220,500 OZ].
To convert ounces to tons: [(220,500/32,000) = 6.890625 Tons]
A tank is full of water. Find the work (in ft-lb) required to pump the water out of the spout. Use the fact that water weighs 62.5 lb/ft3. (Round your answer to the nearest whole number.) 3 ft6 ft12 ft A frustum of a cone with a spout is given. The smaller radius is 3 ft, the larger radius is 6 ft, and the height is 12 ft.
The work required to pump the water out of the spout is approximately 64,307,077 ft-lb
To find the work required to pump the water out of the spout, we need to calculate the weight of the water in the tank and then convert it to work using the formula: work = force × distance.
First, let's calculate the volume of water in the tank. The frustum of a cone can be represented by the formula: V = (1/3)πh(r1² + r2² + r1r2), where r1 and r2 are the radii of the two bases and h is the height.
Given r1 = 3 ft, r2 = 6 ft, and h = 12 ft, we can calculate the volume:
V = (1/3)π(12)(9 + 36 + 18) = 270π ft³
Now, we can calculate the weight of the water using the density of water:
Weight = density × volume = 62.5 lb/ft³ × 270π ft³ ≈ 53125π lb
Next, we convert the weight to force by multiplying it by the acceleration due to gravity (32.2 ft/s²):
Force = Weight × acceleration due to gravity = 53125π lb × 32.2 ft/s² ≈ 1709125π lb·ft/s²
Finally, we can calculate the work by multiplying the force by the distance. Since the water is being pumped out of the spout, the distance is equal to the height of the frustum, which is 12 ft:
Work = Force × distance = 1709125π lb·ft/s² × 12 ft ≈ 20509500π lb·ft ≈ 64307077 lb·ft
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help asap please!! yea
Answer:
C
Step-by-step explanation:
h(x)=8(x+6)^2-9
6 units to the left and 9 units down
The population parameters below describe the full-time equivalent number of students (FTES) each year at Lake Tahoe Community College from 1976–1977 through 2004–2005. μ = 1000 FTES median = 1,014 FTES σ = 474 FTES first quartile = 528.5 FTES third quartile = 1,447.5 FTES n = 29 years
a. 75% of all years have an FTES at or below ___.
1447.5 is 75% of all years have an FTES at or below .
What does FTEs mean?
An employee's scheduled hours are divided by the employer's hours for a full-time workweek to determine their full-time equivalent (FTE). Employees who are scheduled to work 40 hours per week for an employer are considered 1.0 FTEs.
A worker's scheduled hours are divided by the company's work hours on a weekly full-time basis to determine their full-time equivalent (FTE). A 40-hour workweek means that there will be 1.0 FTEs of employees working for that company throughout that time.
We know that,
75% of all the data are at or below the value of third quartile.
Hence, required correct answer is,
75% of all years have an FTES at or below 1447.5 .
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