Answer:
The missing step is 4x + 6 = -24. This step is justified by the additive property of equality. So the correct answer is B)
Step-by-step explanation:
The missing step in the given equation is 4x + 6 = -24. This step is justified by the additive property of equality. The additive property of equality states that if we add the same value to both sides of an equation, the equality remains true. In this case, 6 is added to both sides of the equation to isolate the term "4x" on the left side and move the constant term to the right side. Therefore, the correct answer is B: "4x + 6 = -24. This step is justified by the additive property of equality."
Kyle was playing archery and shot 20 arrows. 30% of them hit the bullseye. how many of the arrows hit the bullseye?
(2,-4) 1 (3,2),(-1,0),(2,5),(0,4)
A.It is a function
B.it is not a function
Answer: The answer is B. It is not a function because the domain(x) is repeating and if the x was not repeating it would have been a function :)
Step-by-step explanation:
What is the end behavior of the graph?
PLease answer!!! 30 points!!!
Answer:
a
Step-by-step explanation:
They make a right angle. A right angle adds up to 90.
Answer:
C.Step-by-step explanation:
Hopes this helps. Mark as brainlest plz!will get brainliest if answered right. no smart remarks
Answer:
A.g, a.f ,a.b
Step-by-step explanation:
help :( it's 4:36am and i still have a bunch of geometry hw to do and i have school tomorrow at 7. i just need some emotional support haha :') thanks.
Answer:
My emotional speech to you : Yolo UWU or you got this, I believe you can achieve great things, and you probs think hah no, but lOOk Me DeAd In thE EyE thrOuGh The scReen, HUnNy U GOt thIs, RePeAt It :)
3/4- 2/3 = plz i need a anwaser FAST I AM TIMED
Answer:
1/12!!!!!!
Step-by-step explanation:
Model Summary Adjusted R Model R R Square Square 1 401 .161 .144 a. Predictors: (Constant), bullying Std. Error of the Estimate 5.215 a ANOVA df F Mean Square 255.105 Sig. .0045 1 9.380 Sum of Model Squares 1 Regression 255.105 Residual 1332.581 Total 1587.686 a. Dependent Variable: depression b. Predictors: (Constant), bullying 49 27.196 50 Coefficients a Standardized Coefficients Beta Unstandardized Coefficients Model B Std. Error 1 (Constant) 16.617 5.158 bullying .328 .107 a. Dependent Variable: depression Sig. .002 3.222 .401 3.063 .004
Therefore , the solution to the given problem of variable is "Is there a substantial association between bullying and depression?".
What is variable?A variable is a value that can be altered depending on the mathematical issue. Numerous mathematical expressions use the generic letters x, y, and z. Or to put it another way, a variable and equations is a symbol denoting a number whose value is unknown. Say that x +5 = 10. A variable is used here, "x."
Here,
To see if bullying and depression are significantly related.
Explained: To determine whether there is a meaningful link between the independent and dependent variables, simple linear regression analysis is utilized.
So the approach presented here is the most effective way to answer the research question, "Is there a substantial association between bullying and depression?".
Therefore , the solution to the given problem is "Is there a substantial association between bullying and depression?".
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Sara threw 6 darts at this dartboard, and they all hit the target. Which of the following numbers could have been her score: 4,24,29,31,56
Answer:
everything but 4 and 31!
Step-by-step explanation:
24: 9+9+1+1+1+3
29: 9+5+5+1+1+3
56: 9×6
ur environment is very sensitive to the amount of ozone in the upper atmosphere. The level of ozone normally found is 5.5 parts/million (ppm). A researcher believes that the current ozone level is not at a normal level. The mean of 26 samples is 5.8 ppm with a variance of 0.36. Assume the population is normally distributed. A level of significance of 0.01 will be used. Find the value of the test statistic. Round your answer to two decimal places.
The value of the test statistic is approximately 2.54.
To find the value of the test statistic, we can use the formula for calculating the test statistic for a single-sample hypothesis test for the population mean. The formula is:
t = (\(\bar x\) - μ) / (s / √n)
Where:
\(\bar x\) is the sample mean,
μ is the population mean,
s is the sample standard deviation,
n is the sample size.
Given information:
Sample mean (\(\bar x\)) = 5.8 ppm
Population mean (μ) = 5.5 ppm
Sample variance (σ^2) = 0.36 ppm^2
Sample size (n) = 26
To calculate the sample standard deviation (s), we take the square root of the sample variance:
s = √(σ^2)
s = √(0.36)
s = 0.6
Now we can calculate the test statistic (t):
t = (5.8 - 5.5) / (0.6 / √26)
t = 0.3 / (0.6 / √26)
t = 0.3 / (0.6 / 5.099)
t = 0.3 / 0.118
t ≈ 2.54 (rounded to two decimal places)
Therefore, the value of the test statistic is approximately 2.54.
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Is (x+4)^2 equivalent to 2x^2+8x+8? Explain or show your reasoning.
answer: no because they have different x values
(x + 4) 2 —> 2x + 8
2 x 2 + 8x + 8 —> 8x + 12
teachers response:
Your answer is correct in that they are not equivalent. But I need you to show me what (x+4)^2 equals. First, you would write it this way: (x+4) (x+4). Now, multiply these binomials…what do you get?
please help!!
Answer:
It's wrong because the y intercepts are different
Step-by-step explanation:
The box method is OP for these kind of questions
If I don't do a good job explaining it then I reccomend you consult the internet
The expression (x + 4)² is not equivalent to the expression 2x² + 8x + 8.
What is an equivalent?The equivalent is the expression that is in different forms but is equal to the same value.
The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.
The expression is given below.
⇒ (x + 4)²
Simplify the expression, then we have
⇒ (x + 4)²
⇒ (x + 4)(x + 4)
⇒ x² + 8x + 16
Thus, the expression (x + 4)² is not equivalent to the expression 2x² + 8x + 8.
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identify the values of a h and k y=5/x+6-2
The values of a, h and k on the function are given as follows:
a = 5.h = 6.k = -2.The meaning of the transformations is given as follows:
Multiplication by a = 5 -> vertical stretch by a factor of 5.h = 6 -> translation left 6 units.k = -2, translation down 2 units.What is a translation?A translation happens when either a figure or a function is moved horizontally or vertically on the coordinate plane.
The four translation rules for functions are defined as follows:
Translation left a units: f(x + a).Translation right a units: f(x - a).Translation up a units: f(x) + a.Translation down a units: f(x) - a.The parent function in this problem is given as follows:
y = 1/x.
Hence the meaning of the transformations is given as follows:
Multiplication by a = 5 -> vertical stretch by a factor of 5.h = 6 -> transformation f(x + 6), translation left 6 units.k = -2, transformation f(x) - 2, shift down 2 units.More can be learned about translations at brainly.com/question/28174785
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How much change will John get back from 5$ if he buys 2 note books that cost $1.80 each
Answer:
A. $1.40
Step-by-step explanation:
First, we need to figure out how much two notebooks cost together.
1.80+1.80=3.60
John will owe $3.60 for the two notebooks.
He pays with $5
5.00-3.60=1.40
John will get back $1.40 in change
Which of the following below is a solution to y=4x-3
(2,5)
(5,5)
(4,5)
(3,5)
\( \fbox{(2,5)}\)
Step-by-step explanation:Hello, substitute all the given coordinates & see if RHS match with LHS
given equation,
y = 4x-3
First coordinate,
(x,y) = (2,5)
5= 4×2-3
5=5
Hence, first solution satisfies the given equation,
let's solve for rest other cordinates,
second coordinate,
(x,y) = (5,5)
5= 4×5-3
5 ≠ 17
does not satisfy,
third coordinate,
(x,y) = (4,5)
5= 4×4-3
5 ≠ 13
does not satisfy,
fourth coordinate,
(x,y) = (4,5)
5 = 4×3-3
5 ≠ 9
does not satisfy.
Hence the correct answer is (2,5)
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f(x) =2x^2+4x-6. g(x)=4x^3-6x^2+3 find (f+g)(x)
Answer:
=4x³-4x²+4x-3
Step-by-step explanation:
(f+g)(x)=4x³+2x²-6x²+4x-6+3
=4x³-4x²+4x-3
Evaluate each expression. Determine if the final simplified form of the expression is positive or negative.
HELP PLEASE!!
The values of the square numbers are:
a. -16
b. 16
c. 16
How to evaluate the valuesFrom the information given, we have the following expressions;
-4²(-4)²4²Let's write the squares in simpler form
-4² = - (4 × 4)
This is so because the square was only assigned to 4 and not the negative sign
(-4)² = - 4 × - 4
This is so because the square was assigned to both the negative sign and 4
4² = 4 × 4
This is so because the square was assigned to 4
Now, we have
- (4 × 4) = -16
- 4 × - 4 = 16
4 × 4 = 16
Thus, the values are - 16, 16 and 16 respectively.
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ly| ≤3
Are the lines on graph at 3 and -3 also part of the answer?
Answer:
Yes, the lines on the graph at 3 and -3 a part of the solution,
Step-by-step explanation:
The inequality \(|y| \leq 3\) contains all the values of \(y\) 3 units from the origin including the values 3 and -3.
Thus, the lines on the graph y =-3 and y = 3 are the part of the solution.
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find a div m and a mod m when a) a = 228, m = 119. b) a = 9009, m = 223. c) a = −10101, m = 333. d) a = −765432, m = 38271.
To find the divisor (div) and the remainder (mod):
a) To find div and mod, we use the formula: a = m x div + mod.
For a=228 and m=119:
- div = floor(a/m) = floor(1.9244) = 1
- mod = a - m x div = 228 - 119 x 1 = 109
Therefore, div = 1 and mod = 109.
b) For a=9009 and m=223:
- div = floor(a/m) = floor(40.4469) = 40
- mod = a - m x div = 9009 - 223 x 40 = 49
Therefore, div = 40 and mod = 49.
c) For a=-10101 and m=333:
- div = floor(a/m) = floor(-30.3903) = -31
- mod = a - m x div = -10101 - 333 x (-31) = -18
Therefore, div = -31 and mod = -18.
d) For a=-765432 and m=38271:
- div = floor(a/m) = floor(-19.9885) = -20
- mod = a - m x div = -765432 - 38271 x (-20) = -2932
Therefore, div = -20 and mod = -2932.
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DEA if the diameter is 7 in
What is the solution set for the following system of linear inequalities? Graph the solution set of the system of linear inequalities in the coordinate plane. First, select the Graph 1 button to graph the line and choose the line style. To graph a line, select two points in the coordinate plane. A line will connect the points. Then select the Graph 2 button to graph the line and choose the line style. Then select the Solution Set button to select the desired region.
The solution set for the stated system of linear inequalities;
y ≥ -2x + 4 and y ≥ x - 2 is the dark area below represents the intersection of a two solutions ranging upto +∞.
Explain about the solution set of linear inequalities?The collection of all solutions makes up the solution set for an inequality. Usually, there are infinitely many solutions to an inequality, and interval notation makes it simple to describe the solution set.
The group of values that fulfil a certain inequality is known as a solution set. This indicates that every single value with in solution set will fulfil the inequality, and not one other value will do so.
By utilising the equations to locate certain locations and drawing a line to reflect the point in two dimensions, you can draw the lines produced by the two equations.
y ≥ -2x + 4 and y ≥ x - 2
The coloured area thus provides the answer to this problem.
Putting together the two solutions, the intersection of both solutions, as seen in the dark zone below, reveals the answer to the system of inequality, ranging upto +∞.
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PLEASE HURRY!!!! 30 POINTS!!!!
What are the solutions of the equation 3x2 – 5x + 2 = 0?
A. 1 and 2
B. 1 and 23
C. –1 and –2
D. –1 and –23
Answer:
The answer is B. 1 and 2/3
Step-by-step explanation:
The Quadratic formula provides the solution for ax^2 + bx + c = 0, in which a,b, andc, are numbers (or coefficients), as follows:
Use the standard form to find the coefficients of our equation :
a = 3
b = -5
c = 2
x1 = 1
x2 = 0.66 or 2/3
A cardboard box has edges of length 5.5 in, 3.2in,and 7.25 in.what is the volume of the box?I will gave u Brainliest if u tell me the answer have a nice day
Answer:
The answer is 127.6
Step-by-step explanation:
To find the volume of something, you multiply.
So:5.5 times 3.2 times 7.25 is equal to 127.6
HOPE THIS HELPS YOU!!!! :)
Answer:
127.60 square inches
Step-by-step explanation:
Multiply the diameters all together to get your answers.
5.5 x 3.2 x 7.25
Multiply
5.5 x 3.2 = 17.6
Multiply some more
17.6 x 7.25 = 127.6
You can also just multiply like this:
5.5 x 3.2 x 7.25 = 127.6
Hope this helped :)
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As the number of degrees of freedom for a t distribution increases, the difference between the t distribution and the standard normal distribution a. becomes larger. b. becomes smaller. c. stays the same. d. fluctuates.
As the number of degrees of freedom for a t-distribution increases, the difference between the t-distribution and the standard normal distribution (b) becomes smaller.
As the number of degrees of freedom for a t distribution increases, the difference between the t distribution and the standard normal distribution becomes smaller. This is because as the degrees of freedom increase, the t distribution approaches the normal distribution in shape and becomes more concentrated around the mean. Therefore, the t distribution becomes more similar to the standard normal distribution, which has a mean of 0 and a standard deviation of 1. So, the correct answer is b. becomes smaller.
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5(2 + 5) = 6 − 10 – solve for x please show your work
Write the expression without brackets and then simplify.
a) 6 + 5(3x – 2)
The expression when the brackets are removed is 15x - 4
How to rewrite the expression without the brackets?From the question, we have the following expression that can be used in our computation:
6 + 5(3x - 2)
The above expression has brackets
So, we start by expanding the brackets
Solving further, we have
6 + 5(3x - 2) = 6 + 15x - 10
Collect the like terms
This gives
6 + 5(3x - 2) = 15x - 10 + 6
Evaluate the like terms
So, we have
6 + 5(3x - 2) = 15x - 4
Hence, the expression is 15x - 4
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The ratio of boys to girls in a class is 2 to 3. If there are 4 boys in the class, how many girls are there?
Answer:
Step-by-step explanation:
Firstly, we can simplify the ratio of boys to girls to
1
:
2
.
Then, to find out how many students each ratio represents, we add up
1
and
2
to get
3
(
1
+
2
=
3
).
By dividing
3
by the number of students, we can find how many students ONE ratio represents:
24
3
=
8
.
So ONE ratio is equal to
8
boys. Since our simplified ratio of boys to girls is
1
:
2
already, we do not have to do further multiplying - the number of boys is simply
8
.
For the girls, simply multiply
2
by
8
to get
16
.
Check:
8
boys
+
18
girls
=
24
students
.
find the taylor polynomial of degree two approximating the given function centered at the given point. f(x) = 1 x at a = 1
Thus, the Taylor polynomial of degree two that approximates the function f(x) = 1/x centered at the point a = 1 is P2(x) = 1 - (x-1) + (x-1)^2/2.
The Taylor polynomial of degree two for the function f(x) = 1/x centered at the point a = 1 can be found using the Taylor series formula.
The formula for the nth degree Taylor polynomial is:
Pn(x) = f(a) + f'(a)(x-a) + (f''(a)/2!)(x-a)^2 + ... + (fn(a)/n!)(x-a)^n
Using this formula and plugging in the values for f(x) and a, we get:
P2(x) = 1 + (-1/x^2)(x-1) + (-2/x^3)(x-1)^2/2
Simplifying this expression, we get:
P2(x) = 1 - (x-1) + (x-1)^2/2
Therefore, the Taylor polynomial of degree two that approximates the function f(x) = 1/x centered at the point a = 1 is P2(x) = 1 - (x-1) + (x-1)^2/2.
This polynomial gives a good approximation of the function near x = 1, but may not be as accurate for values far away from the center point.
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He sold a car for 247,250 at a profit of 15%, what was the price of the car?
Answer: Cost Price = 21,50,000
Step-by-step explanation:
A square table has the area of 37 feet squared. What is the best estimate of the side length of the table?
Answer:
About 9 feet
Step-by-step explanation:
I hope this helped :)
is negative 7 further away from zero then 7
we can use a number line
the distance between two numbers on number line is calculated subtracting the greater number from the other
then to calculate each distance from 0
-7 to 0
\(0-(-7)=7\)0 to 7
\(7-0=7\)it's the same distance