Answer: 74130.75
Step-by-step explanation: plz mark brainliest
4.9 - 14.7 ion what it is.
evaluate each expression using properties of numbers 3 2/3+4+5 1/3
Answer:
13
Step-by-step explanation:
Hello. I hope this was what you were looking for
Simplify the variable expression by evaluating its numerical part, and enter
your answer below.
(48-17) - w
Answer here
SUBMIY
The simplified version of the expression would be 31-w
The numerical part of the expression given is :
48-17Simplifying using Subtraction operation:
48-17 = 31Adding the alphabetical part :
31 - wTherefore, the simplified form of the expression is 31-w.
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Question 1 of 5 Which number line shows the solutions to x < 5? OA. -3 -6 -4 -2 0 2 4 6 8 OB. O C. -8 -6 -4 -2 0 2 4 6 8 -8-6-4-2 0 2 4 6 8 OD. 864 2 0 2 4 6 8
The number line that shows the solutions of x < 5
B. O What is number line?A number line is a visual representation of the real numbers, ordered from left to right, with zero in the middle. It is typically a straight line that extends infinitely in both directions, with evenly spaced markings that represent specific points along the line.
The solution of x < 5 should consist of number less than 5
The inequality used is less than and hence should have values saying less than
Other options has numbers more than 5 such as 6 except option B
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Eliminate the parameter in the equations x = t^1/3 and y = t – 4. How can the rectangular equation be described?
This is the rectangular equation described by the parameter equation x = t1/3 and y = t – 4.
Elimination of the parameter means to rewrite the equations in terms of only x and y. To do this, substitute t from one equation into the other equation. Here, the two equations are:x = t1/3 and y = t – 4Substitute t from the first equation into the second equation:y = (x^3) – 4Now the equation is in terms of x and y only.
This is the rectangular equation described by the parameter equation x = t1/3 and y = t – 4.The rectangular equation, y = (x^3) – 4 can be plotted on a graph. It is a cubic equation. The graph will look like a curve that passes through the point (0, -4) and continues to move towards infinity. The graph will be symmetric to the origin because the equation involves an odd power of x.
If the equation involved an even power of x, the graph would be symmetric to the y-axis. The graph will never touch the x-axis or y-axis, it will only approach them.In conclusion, the rectangular equation y = (x^3) – 4 is derived from the two parameter equations, x = t1/3 and y = t – 4. The graph of this equation is a cubic curve that is symmetric to the origin. The curve passes through (0, -4) and approaches the x and y-axes but never touches them.
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3x + 5 = x - 3
Due today (in 10 minutes)
Answer:
I hope that helps!
x = -4
The first three terms of a geometric
sequence are 3, 6, 12.
The next three terms in the geometric sequence will be 24, 48 and 96.
We are given a geometric sequence:
3, 6, 12 …
We need to find the next 3 terms of the sequence.
We can see that:
a = initial term of the sequence
a = 3
r = common ratio between the consecutive terms.
r = 6 / 3 = 2
Now, nth term will be represented by:
aₙ = a rⁿ⁻¹
Substituting the values of a and r in the formula, we get that:
aₙ = 3 (2)ⁿ⁻¹
Now, the 4th term will be ( put n = 4)
a₄ = (3) (2)⁴⁻¹
a₄ = (3) (2)³
a₄ = (3) × (8)
a₄ = 24
The 5th term will be: (put n = 5)
a₅ = (3) (2)⁵⁻¹
a₅ = (3) (2)⁴
a₅ = (3) × (16)
a₅ = 48
6th term will be: (put n = 6)
a₆ = (3) (2)⁶⁻¹
a₆ = (3) (2)⁵
a₆ = (3) × (32)
a₆ = 96
Therefore, the next three terms in the geometric sequence will be 24, 48 and 96.
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Your question was incomplete. Please refer the content below:
The first three terms of a geometric sequence are 3, 6, 12. What are the next three terms?
Let a = -2, b = 5, c = -7, and x = -3.
Evaluate ax² + bx + c.
1) - 34
2) 14
3) - 40
4) - 4
\(\red{\bigstar}\) The final evaluation of the given expression is \(\large\leadsto\boxed{\rm\purple{- 40}}\)
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
• Given:-Expression = ax² + bx + ca = -2b = 5c = -7x = -3⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
• Solution:-✯ Substitute the given values of each variable in the expression.
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ \(\bold{ax^2 + bx + c}\)
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ \(\sf (-2) \times (-3)^2 + (5) \times (-3) + (-7)\)
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ \(\sf (-2) \times (9) + (-15) + (-7)\)
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ \(\sf - 18 - 15 - 7\)
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
★ \(\bold\red{\large{- 40}}\)
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
\(\pink{\bigstar}\) Therefore, the the final evaluation of the given expression is -40.
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
\(\pink{\bigstar}\) Hence, the Option. C
\(\huge\text{Hey there!}\)
\(\huge\boxed{\mathsf{ax^2 + bx + c}}\)
\(\huge\boxed{\mathsf{= -2(-3)^2 + 5(-3) + (-7)}}\)
\(\huge\boxed{\mathsf{= (-2)(9) - 15 - 7}}\)
\(\huge\boxed{\mathsf{= -18 - 15 - 7}}\)
\(\huge\boxed{\mathsf{= -33 - 7}}}\)
\(\huge\boxed{\mathsf{= -40}}\)
\(\huge\boxed{\rm{Therefore, your \ answer\ is: \boxed{\mathsf{Option\ C. -40}}}}\huge\checkmark\)
\(\huge\text{Good luck on your assignment \& enjoy your day!}\)
~\(\huge\boxed{\frak{Amphitrite1040:)}}\)Anna bought 2 3/5 lb of grapes and Sanika bought 1/2 lb less than Anna. How many pounds of grapes did they buy in all?
Answer:
4 7/10
Step-by-step explanation:
2 3/5 = 2 6/10
2 6/10 - 5/10 = 2 1/10
2 6/10 + 2 1/10 = 4 7/10
Answer:
4 7/10
Step-by-step explanation:
2 3/5 = 2 6/10
2 6/10 - 5/10 = 2 1/10
2 6/10 + 2 1/10 = 4 7/10
Can somebody please solve this one question?
Answer:
1 ft
Step-by-step explanation:
Look at it this way, 200:4 is equivalent to 50:1 in which the number 1 is how wide the building is in the model.
Given the two points, write the equation in slope-intercept form. (1,4) (2,7)
Answer:(_\ヽ
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\( ˇωˇ)
> ⌒ヽ
/ へ\
/ / \\
レ ノ ヽ_つ
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( (ヽ
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| 丿 \ ⌒)
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`ノ ) Lノ
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Step-by-step explanation: I like cats!
Answer:
y = 3x + 1
Step-by-step explanation:
K
Each of the following three data sets represents the IQ scores of a random sample of adults. IQ
scores are known to have a mean and median of 100
105
105
111
105
111
102
106
91
99
99
109
99
109
111
115
112
Sample of Size 5
91
91
111
Sample of Size 12
888888 888
100
110
97
104
Sample of Size 30
91
111
113
113
108
113
108
91
118
110
Full data set o
101
109
101
109
91
97
95
CELES
m
For each data set, compute the mean and median
What is the mean of the sample of size 5?
(Type an integer or decimal rounded to one decimal place as needed
A 1.5 standard deviations above the mean IQ score is 122.5.
How do equations work?An expression that depicts the relationship between two or more numbers and variables is called an equation.
A dependent variable is one that depends on another variable, whereas an independent variable does not depend on any other variable for its value.
Giving the z score are:
z is calculated as (raw score - mean) / standard deviation.
with a standard deviation of 15 and a mean of 100. The z-score of 1.5 is equal to the IQ score that is 1.5 standard deviations above the mean, so:
1.5 = (x - 100)/15
x = 122.5
A 1.5 standard deviations above the mean IQ score is 122.5.
The Complete Question is IQ score.
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Calcular los 3/5 de los 2/3 de las 3/4 de 560
For the fractions, the calculation of 3/5 of 2/3 of 3/4 of 560 is equal to 168.
How to solve fractions?To calculate 3/5 of 2/3 of 3/4 of 560, break it down step by step:
Step 1: Calculate 3/4 of 560:
3/4 × 560 = (3 × 560) / 4 = 1680 / 4 = 420
Step 2: Calculate 2/3 of the result from Step 1:
2/3 × 420 = (2 × 420) / 3 = 840 / 3 = 280
Step 3: Calculate 3/5 of the result from Step 2:
3/5 × 280 = (3 × 280) / 5 = 840 / 5 = 168
Therefore, 3/5 of 2/3 of 3/4 of 560 is equal to 168.
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The blue object (D) has been rotated 270° clockwise about the point (1, 2). Which is the correct image?
The correct image include the following: B. Green: image A.
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.
By applying a rotation of 270° clockwise about the point (1, 2) to the coordinate of the vertices of blue block D, the coordinate the vertices of of its image would be located at the position of the Green: image A.
In this context, we can reasonably infer and logically deduce that Green: image A is the correct transformed shape.
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A researcher would like to estimate p, the proportion of U.S. adults who support recognizing civil unions between gay or lesbian couples.
If the researcher would like to be 95% sure that the obtained sample proportion would be within 1.5% of p (the proportion in the entire population of U.S. adults), what sample size should be used?
(a) 17,778
(b) 4,445
(c) 1,112
(d) 67
(e) 45
Due to a limited budget, the researcher obtained opinions from a random sample of only 2,222 U.S. adults. With this sample size, the researcher can be 95% confident that the obtained sample proportion will differ from the true proportion (p) by no more than (answers are rounded):
(a) .04%
(b) .75%
(c) 2.1%
(d) 3%
(e) There is no way to figure this out without knowing the actual sample proportion that was obtained.
Answer:
Question 1:
(b) 4,445
Question 2:
(c) 2.1%
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of \(\pi\), and a confidence level of \(1-\alpha\), we have the following confidence interval of proportions.
\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)
In which
z is the zscore that has a pvalue of \(1 - \frac{\alpha}{2}\).
The margin of error is of:
\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)
95% confidence level
So \(\alpha = 0.05\), z is the value of Z that has a pvalue of \(1 - \frac{0.05}{2} = 0.975\), so \(Z = 1.96\).
Question 1:
We have no previous estimate for the population proportion, so we use \(\pi = 0.5\).
The sample size is n for which M = 0.015. So
\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)
\(0.015 = 1.96\sqrt{\frac{0.5*0.5}{n}}\)
\(0.015\sqrt{n} = 1.96*0.5\)
\(\sqrt{n} = \frac{1.96*0.5}{0.015}\)
\((\sqrt{n})^2 = (\frac{1.96*0.5}{0.015})^2\)
\(n = 4268\)
Samples above this value should be used, and the smaller sample above this value is of 4445, so the answer is given by option b.
Question 2:
Now we find M for which \(n = 2222\).
\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)
\(M = 1.96\sqrt{\frac{0.5*0.5}{2222}}\)
\(M = 0.021\)
So 2.1%, and the correct answer is given by option c.
I need help with this question please with details
The dimensions of the rectangular box are given as follows:
All the dimensions.
A. 6 inches long, 3 inches wide, 3 inches tallB. 9 inches long, 2 inches wide, 3 inches tallC. 18 inches long, 3 inches wide, 1 inch tallD. 27 inches long, 2 inches wide, 1 inches tallHow to obtain the volume of a rectangular prism?The volume of a rectangular prism, with dimensions length, width and height, is given by the multiplication of these dimensions, according to the equation presented as follows:
Volume = length x width x height.
The box's volume is obtained as follows:
54 x 1³ = 128 x (3/4)³ = 54 cubic inches. (the volume of a cube is the side length cubed)
Hence all the options can be the dimensions of the box, as all the options have a multiplication resulting in 54.
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Hello please help willl give brainliest!
Answer:
It will take Wilson 50 minutes to paint this bookcase.
Step-by-step explanation:
40%=20 minutes
10%=5 minutes
100%=50 minutes
Hope this helped! :)
Solve |7x +42| = 14x. Identify the solution and an extraneous solution.
A. Solution: x = -2;
extraneous solution: x = 6
B. Solution: x = 6;
extraneous solution: a = -6
C. Solution: x = 6;
extraneous solution: x = -2
D. Solution: x = = 2;
extraneous solution: a = -6
First Case
\(|7x+42|=14x\\\\7x+42=14x\\\\42=7x\\\\6=x\)
Second case
\(-|7x+42|=14x\\\\-7x-42=14x\\\\-42=21x\\\\-2=x\)
Verify into first case
\(|7(6)+42|=14(6)\\\\|84|=84\\\\84=84\\\\LS=RS\)
\(|7(-2)+42|=14(-2)\\\\28\neq -28\\\\LS\neq RS\)
The solution is 6 and the extraneous solution is -2, which makes the answer C.
PLEASE CAN SOMEONE HELP!
Area of base 6π in² has the greatest surface area.
What is Mathematical 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;
3 cylinders have same length of height.
We know that;
Largest the radius of base of cone has largest surface area of cylinder.
Hence, By all option;
⇒ Area of base 6π in² has the greatest surface area.
Thus, Area of base 6π in² has the greatest surface area.
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Anton bought a picnic cooler . His total bill with tax was $7.95. He paid 6% sales tax. How much did he pay for the cooler alone without the tax?
A.) 1269
B.) 57.95
C.) 7.95
D.) %50
PLEASE HELP!!!!!
what is an angle that is complementary to ∠EGF?
PLEASE LOOK AT PICTURE!!!!!
Answer:
∠EGD
Step-by-step explanation:
What is an angle?An angle is a measure of a turn, measured in degrees or °. Angles are made up of two rays, making the sides of the angle.
What is a complementary angle?Two angles are complementary if their measures add to 90 degrees.
Looking at the picture, we can see that angle ∠EGF and ∠EGD are reflecting angle ∠DGC, meaning that ∠EGF and ∠ EGD add up to 90 degrees, making them complementary.
Therefore, ∠EGD is the correct answer.
which statement is true of the Y value of function I would ask equals -2 is greater than the Y value function be when I ask equals negative to the Y value function a 1X equals -2 is less than the Y value a function be one x was -2
The statement "the Y value of function I would ask equals -2 is greater than the Y value function be when I ask equals negative to the Y value function a 1X equals -2 is less than the Y value a function be one x was -2" is true.
Given, two functions y = -2f(x) = 1/x
To determine whether the statement "the Y value of function I would ask equals -2 is greater than the Y value function be when I ask equals negative to the Y value function a 1X equals -2 is less than the Y value a function be one x was -2" is true or false, we need to find the value of Y for both functions when x = -2.
Substituting x = -2 in the functions we get:I would ask y = -2(-2) = 4f(-2) = 1/(-2) = -1/2Therefore, the Y value of the function I would ask is greater than the Y value function be when I ask equals negative to the Y value function a 1X equals -2 is less than the Y value a function be one x was -2. Hence, the given statement is true.
Therefore, the statement "the Y value of function I would ask equals -2 is greater than the Y value function be when I ask equals negative to the Y value function a 1X equals -2 is less than the Y value a function be one x was -2" is true.
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examples of direct variation with nonzero numbers
A direct variation with nonzero numbers is if y varies directly as x, and y = 6 when x = 2,
What is direct variation?The relationship between two variables in which the variables have a constant ratio, k, where k is not equal to 0.
K is known as the constant. Assume the variables are x and y, and that y varies directly with x. We can say that the y/x ratio is equal to k, where k is not equal to zero.
This formula can also be written as y = kx where k is not equal to 0.
It's critical to understand that we can use these two ratios interchangeably depending on the problem at hand.
In the example given, the constant of variation is k = = 3. Thus, the equation describing this direct variation is y = 3x.
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What's the inverse of ƒ(x) = x – 20?
Therefore , the solution of Inverse function comes out to be of x-20 equals to x+20
What is the inverse symbol?A function f has an inverse function only if for every y in its range there is only one value of x in its domain for which f(x)=y. This inverse function is unique and is frequently denoted by f−1 and called “f inverse.” For an overview into the idea of an inverse function, see the function machine inverse.Steps for finding the inverse of a function fReplace f(x) by y in the equation describing the function. Interchange x and y. In other words, replace every x by a y and vice versa.
Here,
Solve for y.
Replace y by f-1(x).
y=x-20
x=y-20
Solve for y,x = y-20
x+20
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Answer:
ƒ^(-1)(x) = x + 20
Step-by-step explanation:
To find the inverse of the function ƒ(x) = x - 20, we need to switch the roles of x and y and solve for y.
Let's start by replacing ƒ(x) with y:
y = x - 20
Next, swap x and y:
x = y - 20
Now, solve for y by isolating it:
x + 20 = y
Therefore, the inverse of the function ƒ(x) = x - 20 is given by:
ƒ^(-1)(x) = x + 20
You are testing the claim that the mean GPA of night students is different from the mea GPA of day students. You sample 20 night students, and the sample mean GPA is 2.84 with a standard mean GPA is 2.55 with a standard deviation of 0.45. Test the claim using a 1% level of significance. Assume the population standard deviations are unequal and that GPAs are normally distributed. Give answer to at least 4 decimal places. What are the correct hypotheses
Answer:
As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.
Step-by-step explanation:
Here n= 20
Sample mean GPA = x`= 2.84
Standard mean GPA = u= 2.55
Standard deviation = s= 0.45.
Level of Significance.= ∝ = 0.01
The hypothesis are formulated as
H0: u1=u2 i.e the GPA of night students is same as the mean GPA of day students
against the claim
Ha: u1≠u2
i.e the GPA of night students is different from the mea GPA of day students
For two tailed test the critical value is z ≥ z∝/2= ± 2.58
The test statistic
Z= x`-u/s/√n
z= 2.84-2.55/0.45/√20
z= 0.1441
As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.
Find the value of the variable please help
Answer:
24 degrees
Step-by-step explanation:
6x = x+120 (vertically opposite angles)
6x-x=120
5x=120
x=120/5
= 24
what two numbers multiply to get -45 and add at get -4
Answer:
5 x -9 = -45
5 + -9 = -4
5 and -9
CoxSuppose the sides of a pendant inthe shape of an equilateral triangleare 18mm long. What is the heightof the pendant to the nearest tenthof a millimeter?rSubmit
We have an equilateral triangle, this kind of triangles have the same measure of all their sides
the formula to calculate the height of these triangles is
\(h=a\cdot\frac{\sqrt[]{3}}{2}\)a=18
we substitute the value
\(undefined\)I NEED HELP 30 POINT!!
Answer:
35
Step-by-step explanation:
You can easily graph this in desmos for a visual understanding.
The slope of a line is received by (y2-y1)/(x2-x1). Assuming that Days is X and the cost is Y, we get (160-90)/(4-2), and it makes 70/2, which equates out to 35. Because the prices become more and more expensive, the slope is positive 35.
Which list of angle measures could be the angle measures of a triange?
Answer:
angles of triangle adds up to 180 degrees