Answer: x = 4
Step-by-step explanation:
this is just easier to show work for so i hope this helps :)
Need help will give brainliest
The equation formed after the transformations is given as follows:
\(g(x) = \frac{1}{6}\sqrt{x + 3}\)
How to obtain the function?The parent function in this problem is defined as follows:
\(f(x) = \sqrt{x}\)
For the vertical shrink by a factor of 1/6, the function is multiplied by 1/6, hence it is given as follows:
\(g(x) = \frac{1}{6}\sqrt{x}\)
For the translation left 3 units, we have that x -> x + 3, hence:
\(g(x) = \frac{1}{6}\sqrt{x + 3}\)
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Which of the following is NOT consistent with the display shown above?
The statement that is not consistent with the display of the graphs of the z-distribution and of the z-distribution is given as follows:
The critical value for the t-distribution with this degrees of freedom will be less than 0.68.
What is shown by the graph?The graph shows two curves, given as follows:
The z-distribution curve.The t-distribution curve.The z-distribution curve is more centered around the mean, meaning that most it's sample means will be closer to the mean than for the t-distribution.
Along the tails, the t-distribution curve is higher, meaning that it has a higher percentage of sample means around the tails and a higher critical value.
The critical value of 0.68 is for values one standard deviation for the mean for the z-distribution, while for the t-distribution it is higher, hence it is the false statement.
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Find g(x), where g(x) is the translation 4 units down of f(x)=x.
Write your answer in the form mx+b, where m and b are integers.
(Will mark best answer brainliest)
Answer:
g(x) + 4 = x
g(x) = x - 4 which is probably the answer you should submit.
Step-by-step explanation:
Givens
f(x) = x
g(x) +4 = f(x)
Comment
f(x) and g(x) are forms of y or z. What they mean is that whatever x is on the left, it will be make the same on the right. It is just a short hand to help you in defining the y value.
If you want to move down, The y value is the one to notice. Notice that it is not intuitive. If you want to go down the sign on y + 4 = x is the equation you use. It is the exact opposite of what you think it should be. The graph below should help you.
The red line is f(x) = x
The blue line is g(x) + 4 = x.
The blue line can be written as g(x) = x - 4 which would be more inetuitive.
a 90% confidence interval is found to be (72,78). what is the margin of error
The margin of error for the 90% confidence interval is 3.
To find the margin of error for a 90% confidence interval, we can use the formula:
Margin of Error = (Upper Limit - Lower Limit) / 2
Given the confidence interval (72, 78), where 72 is the lower limit and 78 is the upper limit, we can substitute these values into the formula to calculate the margin of error.
Margin of Error = (78 - 72) / 2
Margin of Error = 6 / 2
Margin of Error = 3
Consequently, the 90% confidence interval's margin of error is 3.
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I need help with math ngl
Answer:
Oldest to newest:
10^-35, 10 ^-10, 0
Step-by-step explanation:
Scientific notation
To figure out the power of 10 think "how many places do I move the decimal point?"
When the number is 10 or greater the decimal point moves to the left, and the power of 10 is positive.
When the number is smaller than 1 the decimal point moves to the right, so the power of 10 is negative.
PLEASE HELP! Will give brainliest! A bag contains 5 pink marbles and 6 green marbles. Two marbles will be selected one at a time. The first marble a
iS
pink. This marble is placed on a table. The second marble is green.
Select words from the drop-down menus to correctly complete the sentences.
The selection of the two marbles are dependent or independent
because the selection of the pink marble
changes or doesn’t change
the probability that
green
marble iS drawn next. If the pink marble had been put back into
the bag, the selection of the two marbles would have been dependent or independent
Answer:
The selection of the two marbles are dependent because the selection of the pink marble changes the probability that a green marble is drawn next.
If the pink marble had been put back into the bag, the selection of the two marbles would have been independent
======================================================
Explanation:
The key phrase to focus on here is "This marble is placed on a table". It implies that we do not put it back into the bag, and also implies we don't put in a replacement either. Hence we consider this scenario as "no replacement".
In no replacement situations, we always have dependent events. The second selection depends on the first one.
The probability of picking green is 6/11 because there are 6 green out of 5+6 = 11 total. But if we picked a pink one first and didn't put it back, then the 11 drops to 10 and we get 6/10 = 3/5 as the new probability.
In other words,
before the pink marble is selected, the chances of green are 6/11after the pink marble is selected, and not put back, the chances of green are now 6/10 = 3/5Because this probability changes, it's sufficient evidence to say the event of picking green on the second selection is dependent on the first selection of selecting pink.
If the marble had been put back, then we'd revert back to the original state of the bag. That would mean the chances of green would stay at 6/11. Therefore, situations with replacement lead to independent events.
HELP HELPPPP HELPPPP AHHHHHHHHHHH PLS!!!!!!!!!!!
Answer:
<UST = 66 degrees
Step-by-step explanation:
<RST - <RSU = <UST
121 - 55 = 66
The weights of four similar packs of tomatoes are listed below.
Pack A: 2.456 pounds
Pack B: 2.457 pounds
Pack C: 2.454 pounds
Pack D: 2.459 pounds
Malcolm rounds the weights to the nearest hundredth pound. Which weight does
not round to 2.46 pounds?
A 2.456 pounds
B 2.457 pounds
C 2.454 pounds
D 2.459 pounds
Answer:
The weight that does not round to 2.46 pounds is C 2.454 pounds.
Step-by-step explanation:
Based on the given information, the weights of the four similar packs of tomatoes are as follows:
Pack A: 2.456 poundsPack B: 2.457 poundsPack C: 2.454 poundsPack D: 2.459 poundsMalcolm rounds the weights to the nearest hundredth pound. To round to the nearest hundredth pound, we look at the digit in the hundredths place. If it is 5 or greater, we round up the digit in the tenths place. If it is less than 5, we leave the digit in the tenths place as it is. Therefore, we can obtain the rounded weights as follows:
Pack A: 2.46 poundsPack B: 2.46 poundsPack C: 2.45 poundsPack D: 2.46 poundsFrom the above rounded weights, we see that Pack C rounds to 2.45 pounds and does not round to 2.46 pounds. Therefore, the weight that does not round to 2.46 pounds is C 2.454 pounds.
Hello, I wanted an answer from a mathematician. The number 1.04 is closer to the number 1, 2, 1.25 or 1.5.
Answer:
1
Hope I helped
If k(x) = 5x - 6, which expression is equivalent to (k+ k)(4)?
Answer:
3h33j333jj3
Step-by-step explanation:b3n3n3nn3n33
Please help me please
Answer:
486 square inches
Step-by-step explanation:
Erika sells bicycles at a store. She is paid a monthly salary plus a bonus on each bike she sells. Her monthly pay is modeled in the table. Choose the linear equation below that best represents this data.
Answer: Show the table
Step-by-step explanation:
SHow the table
The yearly cost of a life-saving cancer
treatment is growing exponentially. If the
current cost is $3,500 per year, which of
the following functions could represent the
annual cost of this cancer treatment in x years
Answer: x= 3500+ x^2
Step-by-step explanation:
x^2 is the formula for an exponential number. Add 3500 because that’s what you started with and then just add x^2
Solve the equation for y in terms of x
12x + 3y = 12
Answer:
y = 4 - 4x
Step-by-step explanation:
Step 1: Write equation
12x + 3y = 12
Step 2: Subtract 12x on both sides
3y = 12 - 12x
Step 3: Divide both sides by 3
y = 4 - 4x
Answer:
12x + 3y = 12
3y=12-12x
y=(12-12x)/3=3(4-4x)/3=4-4x
Complete the table. Answer should be T or F.
P Q
T F P V Q P ^ Q P -> Q -P -Q -P V -Q -P -> Q -P -> -Q P <-> Q
F T P V Q P ^ Q P -> Q -P -Q -P V -Q -P -> Q -P -> -Q P <-> Q
P Q P V Q P ^ Q P -> Q -P -Q -P V -Q -P -> Q -P -> -Q P <-> Q
T T T T T F F F F F T T
F T T F F T T T T T F F
P F T F F T T T T T F F
-P T T F F T T T T T F F
-Q T T T T F T F F F T T
-P V -Q T T F F T T T T T F
-P -> Q T T F F T T T T T F
-P -> -Q T T F F T T T T T F
P <-> Q T T T T F T T T T F
Here is a more detailed explanation of how I filled out the table:
P | Q : This column is simply the truth value of P and Q. If P and Q are both true, then the entry in this column is T. If P is true and Q is false, then the entry in this column is F. If P is false and Q is true, then the entry in this column is F. And if P and Q are both false, then the entry in this column is T.
P V Q : This column is the truth value of P or Q. If P is true, then the entry in this column is T. If Q is true, then the entry in this column is T. And if P and Q are both false, then the entry in this column is F.
P ^ Q : This column is the truth value of P and Q. If P and Q are both true, then the entry in this column is T. And if P and Q are both false, then the entry in this column is F.
P -> Q : This column is the truth value of P implies Q. If P is true and Q is false, then the entry in this column is F. And if P is false or Q is true, then the entry in this column is T.
-P : This column is the negation of P. If P is true, then the entry in this column is F. And if P is false, then the entry in this column is T.
-Q : This column is the negation of Q. If Q is true, then the entry in this column is F. And if Q is false, then the entry in this column is T.
-P V -Q : This column is the truth value of not P or not Q. If P and Q are both true, then the entry in this column is F. If P and Q are both false, then the entry in this column is T. And if P or Q is true, then the entry in this column is T.
-P -> Q : This column is the truth value of not P implies Q. If P is true and Q is false, then the entry in this column is T. And if P is false or Q is true, then the entry in this column is F.
-P -> -Q : This column is the truth value of not P implies not Q. If P and Q are both true, then the entry in this column is T. If P is false or Q is false, then the entry in this column is T. And if P is true and Q is true, then the entry in this column is F.
P <-> Q : This column is the truth value of P if and only if Q. If P and Q are both true or P and Q are both false, then the entry in this column is T. And if P and Q have different truth values, then the entry in this column is F.
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help! i will mark brainliest!
Answer: C
Step-by-step explanation:
Given m||n, find the value of x
Answer:
(i)Here ∠HGB=∠AGE(vertically opposite angles)
∠HGB=110
∘
Now, for parallel lines l and m, with transversal t.
∠HGB+∠GHD=180
∘
(Angles on the same side of the transversal are supplementary)
110
∘
+∠GHD=180
∘
∠GHD=180
∘
−110
∘
=70
∘
(ii)For parallel lines l and m with transversal a
∠AIE=∠CJI (corresponding angles)
⇒x=100
∘
Let
be the function that gives the average cost per book
c(x)
in dollars, when using an online store to print
copies of a self-published paperback book. Use the graph of
120 + 4x
c(x) =
to answer the following questions.
1. What is the approximate cost per book when 125 books are printed?
2. The author plans to charges $9 per book. About how many should be printed?
Answer:
5 and 24
Step-by-step explanation:
1) replace the x's with 125 | c(x)=120+4(125)/(125)
620/125=5 simplify numerator
x=5
2) replace c(x) with 9 | 9=120+4x/x
9x=4x+120 multiply both sides by x
9x-4x=4x+120-4x subtract both sides by -4x
5x=120 divide both sides by 5
x=24
so, it costs about 5 dollars per book when 125 are printed
and, if it costs 9 dollars per book, 24 should be printed
The given function for the cost of printing is a linear function that has a
fixed (set up) cost and a variable cost component.
The correct responses are;
1. The cost of printing 125 books is $620.2. The number of books that should be printed, for the author to be able to charged $9 per book is at least 24 books.Reasons:
Given that the function for the cost of printing x books is; c(x) = 120 + 4·x, we have;
1. The cost of printing 125 books is c(125) = 120 + 4 × 125 = 620
The cost of printing 125 books = $620
2. The amount the author plans to charge per book = $9
The number of books, n, that should be printed is given as follows;
\(\displaystyle 9 = \mathbf{ \frac{120 + 4 \times n}{n}}\)
Which gives;
9·n = 120 + 4·n
9·n - 4·n = 120
5·n = 120
\(\displaystyle n = \frac{120}{5} = \mathbf{24}\)
The number of books that should be printed, n ≥ 24 books
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The table shows the outputs, y, for different inputs, x:
Input
(x) 5 6 7 8
Output
(y) 2 5 8 11
Part A: Do the data in this table represent a function? Justify your answer.
Part B: Compare the data in the table with the relation f(x) = 2x + 13. Which relation has a greater value when x = 7?
Part C: Using the relation in Part B, what is the value of x if f(x) = 75?
A. Yes, the data justifies a function because there is no repeating x values.
B. The relation f(x) = 2x + 13 has a greater value at x = 7
C. The value of x when f(x) = 75 is; 31
How to Interpret Function Tables?A) The general formula for equation of a line in slope intercept form is;
y = mx + b
where;
m is slope
b is y-intercept
Slope is;
m = (y₂ - y₁)/(x₂ - x₁)
m = (5 - 2)/(6 - 5)
m = 3
Let us test the first coordinate;
2 = 3(5) + b
2 = 15 + b
2 - 15 = b
-13 = b
so the equation is : y = 3x - 13
B) When x = 7, we have;
y = 3(7) - 13
y = 21 - 13
y = 8
Let us now test for when f(x) = 2x + 13 to get;
f(x) = 2x + 13, when x = 7
f(7) = 2(7) + 13
f(7) = 14 + 13
f(7) = 27
the function has a greater value for f(x) = 2x + 13
C. f(x) = 2x + 13
when f(x) = 75
Thus;
75 = 2x + 13
75 - 13 = 2x
62 = 2x
62/2 = x
31 = x
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Shelley has a bag containing three balls: one red, one yellow, and one green. All balls are equally likely to be chosen. Shelley will choose one ball without looking in the bag. What is the probability that Shelley will choose the yellow ball out of the bag? A. 2/3 B. 3/1 C. 3/3 D. 1/3
Answer:
D. 1/3
Explanation:
In the bag, there are one red, one yellow, and one green ball.
Number of yellow ball = 1
Total number of balls = 3
Thus, the probability that Shelley will choose the yellow ball out of the bag:
\(=\frac{1}{3}\)T
Answer: D
Step-by-step explanation: There is 3 balls, lets say that is 3/3, and a yellow ball is 1, which is 1/3
you win the lottery and get 1000000. the bank you invest your winnings in gives you a 6% interest rate compounded quaterly. how much will you have in 3 years ?
The amount that you will have in 3 years, given the interest rate and the amount won, is 1, 195, 618. 17 currency units
How to find the amount earned ?To find the amount earned in three years as a result of your lottery being invested, use the future value formula which is:
= Amount won x ( 1 + periodic rate ) ^ number of periods
Periodic rate :
= 6 % / 4 quarters per year
= 1. 5 %
The number of periods is:
= 3 years x 4 quarters per year
= 12 quarters
The amount you will have in 3 years is:
= 1,000,000 x ( 1 + 1. 5 %) ¹²
= 1, 195, 618. 17 currency units
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A line that includes the points (-8, f) and (-6, 4) has a slope of 6. What is the value of f?
f =?
Answer:
-8
Step-by-step explanation:
Slope = (y1-y2) / ( x1-x2)
= ( f-4) / (-8 - -6) = 6
(f-4) / -2 = 6
f-4 = -12
f = - 8
Answer:
f = -8
Explanation:
Find slope:
\(\sf slope: \dfrac{y_2 - y_1}{x_2- x_1} = \dfrac{\triangle y}{\triangle x} \ \ where \ (x_1 , \ y_1), ( x_2 , \ y_2) \ are \ points\)
Here given:
points: (-8, f), (-6, 4)slope : 6Inserting into slope formula:
\(\sf \rightarrow \dfrac{4-f}{-6-(-8) } = 6\)
\(\sf \rightarrow \dfrac{4-f}{2 } = 6\)
\(\sf \rightarrow 4-f = 12\)
\(\sf \rightarrow -f = 12-4\)
\(\sf \rightarrow -f =8\)
\(\sf \rightarrow f =-8\)
The starting salaries of individuals with an undergraduate degree from UC Riverside are normally distributed with a mean of $40,000 and a standard deviation of $5,000. What is the probability that a randomly selected individual with an undergraduate degree from UC Riverside will have a starting salary of $34,000 to $46,000?
Answer:
The probability that a randomly selected individual with an undergraduate degree from UC Riverside will have a starting salary of $34,000 to $46,000 is 0.7699.
Step-by-step explanation:
Let X denote the starting salaries of individuals with an undergraduate degree from UC Riverside.
It is provided that, \(X\sim N(\$40,000,\ \$5,000^{2})\)
Compute the value of P (34000 < X < 46000) as follows:
\(P (34000 < X < 46000)=P(\frac{34000-40000}{5000}<\frac{X-\mu}{\sigma}<\frac{46000-40000}{5000})\\\\=P(-1.2<Z<1.2)\\\\=P(Z<1.2)-P(Z<-1.2)\\\\=0.88493-0.11507\\\\=0.76986\\\\\approx 0.7699\)
Thus, the probability that a randomly selected individual with an undergraduate degree from UC Riverside will have a starting salary of $34,000 to $46,000 is 0.7699.
If two cubes have edges of 2 ft and 4 ft, what is the ratio of their surface areas?
Answer:
1/4
Step-by-step explanation:
Draw a scaled copy of this polygon that has a perimeter of 30 units. What is the scale factor? Explain how you know. Help please
Answer:
Step-by-step explanation:
The given figure has a perimeter of 10 lines, each 1 unit long.
If the perimeter is 30 for the new figure, then the scale factor is 3, because 30 is 3 * 10
factor this problem:
42x^2+25x+3
Answer: (6x+1)(7x+3)
Step-by-step explanation:
Step-by-step explanation:
a quadratic
use sum factor pattern
42x^2+25x+3
=42x^2+18x+7x+3
common factor
6x(7x+3)+7x+3
rewrite in factored form
(6x+1)(7x+3)
Will bought a Fitbit to measure how far he walks every day. According to the Fitbit, he moves about 27 inches with each step he takes when he walks. How many feet did Will travel in 96 steps?
Answer:
216 feet
Step-by-step explanation: Just do 27 x 96 to get 2592 inches and then convert that to feet and you get 216 feet
Answer:
about 221 or exactly 220.1 feet
Step-by-step explanation:
1 foot = 12 inches
27 5/8 inches = 2. 30 feet
2.30 feet * 96 steps = 220.1 feet
I'm pretty sure this is how its supposed to go if you meant 5/8 feet with it!
I need help on question 5
4. In triangle ΔABC, AB≅BC An altitude is drawn from B to AC and intersects always true?
1) ∠ABD≅∠CBD
2) ∠BDA≅∠BDC
3) AD≅BD
4) AD≅DC
5. In ΔEFG, IF is a median, GE=3 x+5 and I E=x+6. Find x.
Answer:
4. 1), 2), 4) are true
5. x = 7
Step-by-step explanation:
In question 4.
1), 2), and 4) are true
Triangles ABD and CBD are congruent by AAS. Then by CPCTC, 1) and 4) are true. 2) is true by definition of altitude and all right angles are congruent.
5.
Your drawing is good.
Since IF is a median, then IE = IG = (1/2)GE
IE = (1/2)GE
x + 6 = (1/2)(3x + 5)
2x + 12 = 3x + 5
-x = -7
x = 7
Use the protector to measure the angle.
Answer:
Your answer is 140 degree
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With the growth of internet service providers, a researcher decides to examine whether there is a correlation between cost of internet service per month and degree of customer satisfaction (higher scores mean high satisfaction). The researcher only includes programs with comparable types of services. Calculate the Pearson's correlation coefficient for the dataset below and interpret what that means.
Answer:
The correlation is 0.373 . There is a moderate positive linear association between Dollars and Satisfaction.
Step-by-step explanation:
Given the data:
Dollars Satisfaction
70.99 32
76.01 34
67.24 27
69.33 17
67.59 23
74.06 29
76.04 25
72.63 31
68.01 26
67.98 31
Using technology, the Pearson correlation Coefficient calculator ; we can obtain the Pearson correlation Coefficient is 0.3729
Interpretating this value, a correlation Coefficient value of 0.3729 is positive, this means a positive linear relationship exists between the values. Also 0.3729 is closer to 0 than 1 ; this mean that the strength of their relationship is moderate to weak .
Hence, a correlation Coefficient value of 0.3729 means that a weak positive relationship exists between dollar and satisfaction