Answer:
Step-by-step explanation:
Select the correct answer. Consider the function f(x) = 10x and the function g(x), which is shown below. How will the graph of g(x) differ from the graph of f(x)? A. The graph of g(x) is the graph of f(x) shifted 6 units up. B. The graph of g(x) is the graph of f(x) shifted to the left 6 units. C. The graph of g(x) is the graph of f(x) shifted 6 units down. D. The graph of g(x) is the graph of f(x) shifted to the right 6 units.
Answer:B
Step-by-step explanation:
The graph of g(x) is the graph of f(x) shifted to the left 6 units. Then the correct option is B.
What is a function?A statement, principle, or policy that creates the link between two variables is known as a function. Functions are found all across mathematics and are required for the creation of complex relationships.
Consider the function f(x)= 10ˣ and the function g(x), which is shown below.
g(x)= f(x - 6) = 10⁽ˣ⁻⁶⁾
If we subtract any constant from the variable then the function gets shifted toward the left by constant units.
Similarly, 6 is subtracted from the variable then the function gets shifted toward the left by 6 units.
More about the function link is given below.
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TULI
Spinner A
Spinner
025
05
Tim has two spinners, spinner A and Spinner B.
Each spinner can only land on red or bloe.
The probability that spinner A will land on red is 0.5
The probability that spinner will land on red is 0.6
The tree diagram shows this information
Tim spins spinner A once and he
spins spinner Bonce
He does this a number of times.
The number of times both spinners 0.5
land on red is 84.
Work out an estimate for the
number of times both spinners land on blue.
red
05
blu
blue
So we would expect both spinners to land on blue once, approximately.
What is probability?Probability is a measure of the likelihood or chance of an event occurring. It is a numerical value between 0 and 1, where 0 means that the event is impossible and 1 means that the event is certain to occur. The closer the probability is to 1, the more likely the event is to occur, while the closer it is to 0, the less likely it is to occur.
Here,
To solve this problem, we can use the multiplication rule of probability, which states that the probability of two independent events A and B occurring together is equal to the product of their individual probabilities:
P(A and B) = P(A) × P(B)
In this case, we want to find the number of times both spinners land on blue, which is equivalent to the probability that spinner A lands on blue (0.5) multiplied by the probability that spinner B lands on blue (0.4), because the events are assumed to be independent. Therefore:
P(both blue) = P(A blue) × P(B blue) = 0.5 × 0.4 = 0.2
This means that the probability of both spinners landing on blue is 0.2, or 20%.
To estimate the number of times both spinners land on blue out of a certain number of trials, we can use the expected value of a binomial distribution, which is given by:
E(X) = n × p
where X is the random variable representing the number of successes (in this case, both spinners landing on blue), n is the number of trials, and p is the probability of success (0.2 in this case).
We are given that the number of times both spinners land on red is 84, which is equivalent to the number of trials minus the number of times both spinners land on blue. Let's denote the number of trials as n. Then we have:
n - 84 = number of times both spinners land on blue
Substituting the values we have found, we get:
n - 84 = 0.2n
Simplifying and solving for n, we get:
0.8n = 84
n = 105
Therefore, the estimated number of times both spinners land on blue out of 105 trials is: number of times both spinners land on blue
= 0.2 × 105 - 84 ≈ 1
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A package of colored paper contains 20 pieces of yellow paper. This represents 25% of the total pieces of colored paper in the package. 6.RP.3c Part A. Write 25% as a rate per 100 in simplest form. How many total pieces of colored paper are in the package?
Answer:
There were 80 pieces of colored paper in the package.
Step-by-step explanation:
Given that a package of colored paper contains 20 pieces of yellow paper, and this represents 25% of the total pieces of colored paper in the package, to determine how many total pieces of colored paper are in the package, the following calculation must be performed:
25 = 20
100 = X
100 x 20/25 = X
2,000 / 25 = X
80 = X
Therefore, there were 80 pieces of colored paper in the package.
A right triangle has one angle that measures 36°. What is the measure of the other acute angle?
Answer:
54 degrees
Step-by-step explanation:
The total degree of a triangle is 180. Since it is a right angle, one of the angles is 90 degrees. The equation is, 36+90+x=180. You should then get 54 degrees.
A quarter has a diameter of 2.4 centimeters. What is the area of the coin (round answer to nearest tenth)?
Answer:
4.5
Step-by-step explanation:
The equation of an area of a circle is A=πr² where r is the radius.
The radius is also half the diameter. So the radius of the quarter is 1.2
A=π(1.2)²
A=π(1.44)
A=4.52389
Answer:
4.5 answer is on the picture below. :) Thank you!
Step-by-step explanation:
Proof...
if the sum of any two number is 20 and difference is 10 find the numbers
"The sum of two numbers is 20" can be translated mathematically into the equation:
x + y = 20.
"... and their difference is 10" can be translated mathematically as:
x - y = 10
We can now find the two unknown numbers, x and y, because we now have a system of two equations in two unknowns, x and y. We'll use the Addition-Subtraction Method, also know as the Elimination Method, to solve this system of equations for x and y by first eliminating one of the variables, y, by adding the second equation to the first equation to get a third equation in just one unknown, x, as follows:
Adding the two equations will eliminate the variable y:
x + y = 20
x - y = 10
-----------
2x + 0 = 30
2x = 30
(2x)/2 = 30/2
(2/2)x = 15
(1)x = 15
x = 15
Now, substitute x = 15 back into one of the two original equations. Let's use the equation showing the sum of x and y as follows (Note: We could have used the other equation instead):
x + y = 20
15 + y = 20
15 - 15 + y = 20 - 15
0 + y = 5
y = 5
CHECK:
In order for x = 15 and y = 5 to be the solution to our original system of two linear equations in two unknowns, x and y, this pair of numbers must satisfy BOTH equations as follows:
x + y = 20 x - y = 10
15 + 5 = 20 15 - 5 = 10
20 = 20 10 = 10
Therefore, x = 15 and y = 5 is indeed the solution to our original system of two linear equations in two unknowns, x and y, and the product of the two numbers x = 15 and y = 5 is:
xy = 15(5)
xy = 75
Ten years ago, Scott bought a board game for $30. That board game has now increased it's value by 83%
Answer:
the awnser is 54.9 ( mark as best awnser )
Robert must read a few books from his home library. He read any 4 out of 6 books from the top shelf, and then any 2 out of 3 books from the middle shelf and then any 3 out of 6 books from the bottom shelf. In how many ways can Robert read the books, if different orders in which the books will be read count as different ways
Answer:
Robert can read the books in 129,600 different ways.
Step-by-step explanation:
The order in which the book are read is important, which means that the permutations formula is used to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
[tex]P_{(n,x)} = \frac{n!}{(n-x)!}[/tex]
Top shelf:
4 books from a set of 6. So
[tex]P_{(6,4)} = \frac{6!}{2!} = 360[/tex]
Middle shelf:
2 books from a set of 3. So
[tex]P_{(3,2)} = \frac{3!}{2!} = 3[/tex]
Bottom shelf:
3 books from a set of 6. So
[tex]P_{(6,3)} = \frac{6!}{3!} = 120[/tex]
Total:
360*3*120 = 129,600
Robert can read the books in 129,600 different ways.
Sean and Evan are college roommates who have part-time jobs as servers in restaurants. The distribution of Sean’s weekly income is approximately normal with mean $225 and standard deviation $25. The distribution of Evan’s weekly income is approximately normal with mean $240 and standard deviation $15. Assuming their weekly incomes are independent of each other, which of the following is closest to the probability that Sean will have a greater income than Evan in a randomly selected week?
a. 0.67
b. 0.700
c. 0.227
d. 0.303
e. 0.354
Answer:
d. 0.303
Step-by-step explanation:
Normal Probability Distribution:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
Subtraction between normal variables:
When two normal variables are subtracted, the mean is the difference of the means, while the standard deviation is the square root of the sum of the variances.
In this question:
We want the probability of Sean having a greater income than Evan, which is the probability of the subtraction of Sean's income by Evan's income is greater than 0.
Distribution of the difference between Sean's and Evan's income:
Sean has mean 225, Evan 240. So
[tex]\mu = 225 - 240 = -15[/tex]
Sean's standard deviation is of 25, Evan's of 15. So
[tex]\sigma = \sqrt{25^2+15^2} = 29.15[/tex]
Probability that Sean will have a greater income than Evan in a randomly selected week:
Probability of the subtraction being greater than 0, which is 1 subtracted by the pvalue of Z when X = 0. So
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{0 - (-15)}{29.15}[/tex]
[tex]Z = 0.51[/tex]
[tex]Z = 0.51[/tex] has a pvalue of 0.695
1 - 0.695 = 0.305.
Closest to 0.303, option d.
surface area and volume word problem above show work pls
Answer:
Whereas the basic formula for the area of a rectangular shape is length × width, the basic formula for volume is length × width × height.
Step-by-step explanation:
Answer:
SA = 2(Area of Trapezoid) + 2(Area of Rectangle) + Area of Base + Area of Top
SA = 2 ( 10cm + 6cm)(7cm) + 2(16cm x 8cm) + (16cm x 10cm) + (16cm x 8cm)
2
SA = 112 cm2 + 256 cm2 + 160 cm2 + 128 cm2
SA = 656 cm2 wrapping paper you need
find mHK please help
Answer:
66°
Step-by-step explanation:
When a radius(diameter in this case) is perpendicular to a chord, it bisects the chord and the arc formed by the chord. Because of this, we can say mHJ is equal to mKJ. We can write an equation:
mHJ = mKJ
and substitute:
x + 20 = 6x - 45
20 = 5x - 45
65 = 5x
x = 13
mHK is the sum of mHJ and mKJ, we can write mHK as the expression:
x + 20 + 6x - 45
7x - 25
We can substitute x:
7(13) - 25
91 - 25
66°
The table displays the amount of money Stephen has in his piggy bank.
Stephen's Piggy Bank
Types of Coins Amount ($)
Quarters 7.50
Dimes 6.00
Nickels 5.50
Pennies 3.00
Which answer choice does NOT accurately approximate a comparison between the value of
the dimes in the piggy bank and the total value of Stephen’s coins?
A. 6%
B. 3/11
C.6/22
D. 27%
Answer:
A.6% Is the correct answer... #:Carry on Learning... ^_^Answer:
A. 6%
Step-by-step explanation:
The is no step by step explanation sadly
In the figure, lines ℓ and m are parallel. Describe ∠1 and ∠2.
∠1 and ∠2 are equal angles as the lie on same side of transversal, are on parallel lines and are corresponding to each other
thank you
Review the graph of function g(x).
For which value of a does lim g(x) not exist?
X-
O-6
0-3
0 0
2-
Answer:
0-6 de correct answer okay.
At x→ -3 the value of the limit of function g(x) does not exist because the left-hand limit and right-hand limit are not equal an option second is correct.
What is the limit?A limit is a value at which a function approaches the output for the given values in mathematics. Limits are used to determine integrals, derivatives, and continuity in calculus and mathematics.
We have a graph of function g(x)
[tex]\rm \lim_{x \to a}g(x)[/tex]
Let's check at x = -3
Finding the left-hand limit and right-hand limit.
[tex]\rm \lim_{x \to -3^{-1}}g(x) = -2[/tex]
[tex]\rm \lim_{x \to -3^{+1}}g(x) = -4[/tex]
Since the left-hand limit and right-hand limit are not equal then at x = -3 the limit does not exist.
Thus, at x→ -3 the value of the limit of function g(x) does not exist because the left-hand limit and right-hand limit are not equal an option second is correct.
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1/8 times 5/8 in simplest form
Answer:
5/64
Step-by-step explanation:
numerators 1 time 5 is 5 and denominators 8 times 8 is 64; 5/64
What is the radius and center for 2+4+4+2=43?
Answer:
im sorry
i still dont know the answer tho
There are two tables shown below. Which table shows a constant rate?
Answer:
Option B
Step-by-step explanation:
To calculate the rate of the table is given by the expression,
Rate = [tex]\frac{\triangle y}{\triangle x}[/tex]
For table A,
x y [tex]\triangle y[/tex] [tex]\triangle x[/tex] [tex]\frac{\triangle y}{\triangle x}[/tex]
2 10 - - -
3 15 15 - 10 = 5 3 - 2 = 1 [tex]\frac{5}{1}=5[/tex]
5 20 20 - 15 = 5 5 - 3 = 2 [tex]\frac{5}{2}=2.5[/tex]
8 25 25 - 20 = 5 8 - 5 = 3 [tex]\frac{5}{3}=1.67[/tex]
Therefore, rate is not constant in this table.
For table B
x y [tex]\triangle y[/tex] [tex]\triangle x[/tex] [tex]\frac{\triangle y}{\triangle x}[/tex]
3 9 - - -
5 15 15 - 9 = 6 3 - 5 = 2 [tex]\frac{6}{2}=3[/tex]
8 24 24 - 15 = 9 8 - 5 = 3 [tex]\frac{9}{3}=3[/tex]
10 30 30 - 24 = 6 10 - 8 = 2 [tex]\frac{6}{2}=3[/tex]
Therefore, table B shows a constant rate of 3.
Option B is the correct option.
Find the value of x, if angle X measures 102°.
х
to
w7x+4yº(5x - 4yº
w
Z
Answer:
A. 13
Step-by-step explanation:
The non-vertex angles of a kite are always congruent. Therefore,
m<X = m<Z = 102°
Sum of all angels of a kite = 360°
Thus:
m<X + m<Y + m<Z + m<W = 360°
Substitute
102 + (5x - 4) + 102 + (7x + 4) = 360
102 + 5x - 4 + 102 + 7x + 4 = 360
Add like terms
204 + 12x = 360
12x = 360 - 204
12x = 156
x = 156/12
x = 13
Rewrite the function f(x)=-4(x+3)2 – 2 in the form f(x) = ax²+bx+c.
음
Х
?
Recheck
Try again
Answer:
f(x) = -4x² - 24x - 38
Step-by-step explanation:
f(x )= -4(x + 3)² – 2
Expand the squared term
f(x) = -4 (x² + 6x + 9) - 2
Distribute the -4
f(x) = (-4x² - 24x - 36) - 2
Combine like terms
f(x) = -4x² - 24x - 38
Factor the following the expression,
-15m -25
Answer:
[tex]-5(3m+5)[/tex]
Step-by-step explanation:
Factor by grouping:
'-5' is a common factor.
Factoring out '-5'....
[tex]-15m-25\\\\\boxed{-5(3m+5)}[/tex]
Hope this helps.
I need the answer pls answer fast
Answer:
A = 846 in²
Step-by-step explanation:
The area (A) of a rhombus is calculated as
A = [tex]\frac{1}{2}[/tex] × d₁ × d₂ ( d₁ and d₂ are the diagonals ) , then
A = [tex]\frac{1}{2}[/tex] × 36 × 47 = 18 × 47 = 846 in²
Answer:
846
Step-by-step explanation:
area of a rhombus is [tex]\frac{pq}{2}[/tex] where p and q are the two diagonals ..
so [tex]A=\frac{36*47}{2}[/tex]
A=846
Help!!!!!!!!!!!!!!!!!
which is greater? 0.04 or 0.39
Answer:
0.39
Step-by-step explanation:
think about it this way, if you take away the decimal it would be 39 and 04. 04 is another way to write 4 and 4 is less than 39. so 0.04 is less than 0.39
Answer:
0.04 > - 0.39
Step-by-step explanation:
0.04 > - 0.39
Hows your day doing this is not a thing for math but just wandering
helppppp! how do I find this?
Answer:
y=3x-6
Step-by-step explanation:
(2,0). y=mx+b or 0=3 × 2+b, or solving for b: b=0-(3)(2). b=-6.
(3,3). y=mx+b or 3=3 × 3+b, or solving for b: b=3-(3)(3). b=-6.
Plugging in the two points from the graph.
Hence, y=3x-6
Sally has 3 yards of yarn. She will use 6 inches per bracelet. How many bracelets can she make?
3 feet in a yard... 12x3 = 36...... 36+36+36 =108 inches
108 divided by 6 is 18 bracelets
Find the lie 3 of the 4 statements are true find the false one statement
Answer:
Step-by-step explanation:
If those choices given (there is one missing) the false statement is the constant term is 3. It's not. -3 is the constant term.
Answer:
Step-by-step explanation:
C. the constant term is not 3
Please answer this question needed ASAP !!
Angle F should be 46 degrees
Need help solving this problem.
-30x+147=-171-24x
Answer:
-30x+147= -171-24x
+24x +24x
-6x+147= -171
-147 -147
-6x= -318
x=53
Hope this helps!
3a+5b-9: a=2, b=3 that is my question I need help
Answer:
12
Step-by-step explanation: