The initial amount is the number before the bracket,
Then it is 5.5
Since the power of the bracket less than 1, then it is decay function
Then the answer is C
1
Which expression has a value of 36?
Answer: (1/6)^2
Step-by-step explanation:
Answer:
The third answer is correct
Step-by-step explanation:
Use the properties of degrees:
1)
\( {( \frac{1}{108} })^{3} = \frac{ {1}^{3} }{ {108}^{3} } = \frac{1}{6561} \)
\( \frac{1}{6561} ≠ \frac{1}{36} \)
.
2)
\( ({ \frac{1}{9} })^{3} = \frac{ {1}^{3} }{ {9}^{3} } = \frac{1}{729} \)
\( \frac{1}{729} ≠ \frac{1}{36} \)
.
3)
\( ({ \frac{1}{6} })^{2} = \frac{ {1}^{2} }{ {6}^{2} } = \frac{1}{36} \)
\( \frac{1}{36} = \frac{1}{36} \)
In the figure below, find the exact value of x. (Do not approximate your answer.)
Triangle ADC also has a right angle at D, making it a right-angled triangle.
The exact value of x be 2.25.
What is meant by "Pythagoras Theorem"?The hypotenuse's square is equal to the sum of its two other side squares of a right-angled triangle, according to the Pythagoras theorem.
Triangle ADB exists even a right-angled triangle with right-angle at D.
Therefore, Base of Triangle ADB = BD = 4,
Height of Triangle ADB = AD = 3,
Hypotenuse of Triangle ADB = AB
Using the Pythagoras Theorem, we get,
\($\left[(A D)^2+(B D)^2\right]=(A B)^2$\)
substitute the values in the above equation, we get
or,\($(A B)^2=\left[(3)^2+(4)^2\right]$\)
simplifying the equation, we get
or, \($(A B)^2=[9+16]$\)
or, \($(A B)^2=25$\)
or, \($\sqrt{(A B)^2}=\sqrt{25}$\)
or, AB = 25
Triangle ADC is also a right-angled triangle with right-angle at D.
Therefore, Base of Triangle ADC = DC = x
Height of Triangle ADC = AD = 3,
And, Hypotenuse of Triangle ADC = AC
Using the Pythagoras Theorem, we get,
\(& {\left[(D C)^2+(A D)^2\right]=(A C)^2} \\\)
simplifying the equation, we get
\(& \text { or },(A C)^2=\left[(3)^2+(x)^2\right] \\\)
\(& \text { or },(A C)^2=\left[9+x^2\right]\)
Triangle ABC is also a right-angled triangle with right-angle at A. Therefore, Base of Triangle ABC = AC,
Height of Triangle ABC = AB = 5,
And, Hypotenuse of Triangle ABC = BC = (4 + x)
Using the Pythagoras Theorem, we get,
\(& {\left[(A C)^2+(A B)^2\right]=(B C)^2} \\\)
\(& \text { or, }(B C)^2=\left[(A C)^2+(A B)^2\right] \\\)
substitute the values in the above equation, we get
\(& \text { or, }(4+x)^2=\left[\left(9+x^2\right)+(5)^2\right] \\\)
simplifying the equation, we get
\(& \text { or, }\left[4^2+(2 \times 4 \times x)+x^2\right]=\left[9+x^2+25\right] \\\)
\(& \text { or, }\left[16+8 x+x^2\right]=\left[(9+25)+x^2\right] \\\)
\(& \text { or, }\left[16+8 x+x^2\right]=\left[34+x^2\right] \\\)
\(& \text { or, }\left[16+8 x+x^2\right]-\left[34+x^2\right]=0 \\\)
\(& \text { or, },(16-34)+8 x+\left(x^2-x^2\right)=0 \\\)
8x - 18 = 0
8x = 18
\(& \text { or, } x=\frac{18}{8} \\\)
\(& \text { or, } x=\frac{9 \times 2}{4 \times 2} \\\)
\(& \text { or, } x=\frac{9}{4} \\\)
Therefore, the value of x be 2.25.
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−|9| = −9 True or False
Answer:
false
Step-by-step explanation:
Answer:
false because the absolute value of -9 would be 9 not negativ 9
For the question of total area of the cuboid is 200cm^.
I understand where we divide 150 by 4.
But why do I need to multiply by 5, when there are 6 faces.
You need to multiply by 5 instead of 6 because each pair of opposite faces on a cuboid has the same area, so by considering one face from each pair, you ensure that you don't count any face twice.
When calculating the total surface area of a cuboid, you need to understand the concept of face pairs.
A cuboid has six faces, but each face has a pair that is identical in size and shape.
Let's break down the reasoning behind multiplying by 5 instead of 6 in the given scenario.
To find the surface area of a cuboid, you can add up the areas of all its faces.
However, each pair of opposite faces has the same area, so you avoid double-counting by only considering one face from each pair. In this case, you have five pairs of faces:
(1) top and bottom, (2) front and back, (3) left and right, (4) left and back, and (5) right and front.
By multiplying the average area of a pair of faces by 5, you account for all the distinct face pairs.
Essentially, you are considering one face from each pair and then summing their areas.
Since all the pairs have the same area, multiplying the average area by 5 gives you the total surface area.
When dividing 150 by 4 (to find the average area of a pair of faces), you are essentially finding the area of a single face.
Then, by multiplying this average area by 5, you ensure that you account for all five pairs of faces, providing the total surface area of the cuboid.
Thus, multiplying by 5 is necessary to correctly calculate the total surface area of the cuboid by accounting for the face pairs while avoiding double-counting.
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Which graph shows an image and preimage after reflecting across y = -x ? *
Option 1
Option 2
Option 3
Option 4
The graph which correct shows an image and pre-image after reflecting across the line; y = -x as required in the task content is; Option 1.
Which answer choice represents an image and pre-image after a reflection across y = -x?It follows from the task content that the answer choice which correctly represents an image ajd pre-image after reflecting across the line; y = -x.
First it is noteworthy to know that the line; y = -x is one which passes through the origin and has a negative slope of; -1.
On this note, by observation; when the line y = -x is drawn; the graph which represents the image and pre-image after reflecting across the line; y = -x is; Option 1.
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If M is the set of all square numbers less than 80 and N is the set of all non-negative even numbers that are under 30, Write the lists of all elements of M and N.
Answer:
The set M of all square numbers less than 80 is:
M = {0, 1, 4, 9, 16, 25, 36, 49, 64}
The set N of all non-negative even numbers that are under 30 is:
N = {0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28}
Answer:
All elements of the set M in ascending order are:
1, 4, 9, 16, 25, 36, 49, 64All elements of the set N in ascending order are:
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28Step-by-step explanation:
A square number, also known as a perfect square, is a non-negative integer that is obtained by multiplying an integer by itself. In other words, it is the result of squaring an integer.
The square numbers less than 80 are:
1, 4, 9, 16, 25, 36, 49, and 64.An even number is an integer that is divisible by 2 without leaving a remainder.
The non-negative even numbers that are under 30 are:
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, and 28.Therefore:
All elements of the set M in ascending order are:
1, 4, 9, 16, 25, 36, 49, 64All elements of the set N in ascending order are:
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28Find the perimeter of the polygon with the vertices G(2, 4), H(2,−3), J(−2,−3), and K(−2, 4).
Answer:
22 units
Step-by-step explanation:
Graphed to solve.
Width:
The distance between points K and G, and points J and H is both 4 units. So for both distances between the set of points will be 8 units total.
Length:
The distance between points G and H, and points J and K is both 7 units. So for both distances between the sets of points will be 14 units total.
14 + 8 = 22
3ab2 +1
3a²b-1
(a = 2 ; b = -2)
EVALUATE THE EXPRESSION
Answer:
3ab2+1 = -23
3a^2b-1 =-25
Step-by-step explanation:
Please help! 15 points.
Answer:
C<10. The bag contains fewer than 10 carrots
C>10. Catherine biked farther than 10 miles
C<20. The chair is shorter than 20 inches
C>20. Carlos scored over 20 points
Kiyo invites 5 friends to a sporting event.
Tickets cost $40 each. He knows at least one
friend will choose to attend the event.
Answer: 40 dollars
Step-by-step explanation:
i hope the explanation is right:)
If he invites 5 friends for 40 bucks each then one friend that he knows will go is 40 dollars. So the only thing you have to do for this problem is multiply 40 by the number of friends which in this case i believe is 1.
Find three different solutions for the equation 3x-4y=-12
SOLUTION
Given the question, the following are the solution steps to answer the question.
STEP 1: Write the given equation.
\(3x-4y=-12\)STEP 2: Find the solutions
\(3x-4y=-12\)Set x = 0
\(\begin{gathered} 3(0)-4y=-12 \\ -4y=-12 \\ y=\frac{-12}{-4}=3 \\ Solution:(0,3) \end{gathered}\)Set y = 0
\(\begin{gathered} 3x-4(0)=-12 \\ 3x-0=-12 \\ 3x=-12 \\ Divide\text{ both sides by 3} \\ \frac{3x}{3}=\frac{-12}{3} \\ x=-4 \\ Solution:(-4,0) \end{gathered}\)Set y = 1
\(\begin{gathered} 3x-4(1)=-12 \\ 3x-4=-12 \\ 3x=-12+4 \\ 3x=-8 \\ Divide\text{ both sides by 3} \\ \frac{3x}{3}=\frac{-8}{3} \\ x=-\frac{8}{3} \\ Solution:(-\frac{8}{3},1) \end{gathered}\)Hence, the three different solutions are:
\(\begin{gathered} (0,3) \\ (-4,0) \\ (-\frac{8}{3},1) \end{gathered}\)ANSWER PLS HELP NOW PLS
27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 35 college students are randomly selected, find the probability that
a. Exactly 9 of them major in STEM.
b. At most 11 of them major in STEM.
c. At least 11 of them major in STEM
The probability of getting exactly 9 of them major in STEM is 0.139 or 13.9%.
The probability of getting at most 11 of them major in STEM is approximately 0.898 or 89.8%.
The probability of getting at least 11 of them major in STEM is approximately 0.318 or 31.8%.
a. Exactly 9 of them major in STEM.
In this case, the probability of success (a student majoring in STEM) is 0.27, and the number of trials is 35. The probability of exactly 9 students majoring in STEM is then given by the formula:
P(X = 9) = (35 choose 9) x (0.27)⁹ x (0.73)²⁶
where (35 choose 9) is the number of ways to choose 9 students out of 35, and (0.27)⁹ x (0.73)²⁶ is the probability of 9 successes and 26 failures. Evaluating this expression gives a probability of approximately 0.139 or 13.9%.
b. At most 11 of them major in STEM.
To calculate the probability that at most 11 students out of 35 major in STEM, we can use the cumulative binomial probability distribution. This distribution calculates the probability of at most X successes, where X is any number from 0 to the total number of trials.
The probability of at most 11 students majoring in STEM can be calculated as follows:
P(X <= 11) = P(X = 0) + P(X = 1) + ... + P(X = 11) = 0.898 or 89.8%.
c. At least 11 of them major in STEM.
The probability of less than 11 students majoring in STEM can be calculated using the cumulative binomial probability distribution, as in part (b). Specifically:
P(X < 11) = P(X = 0) + P(X = 1) + ... + P(X = 10)
Subtracting this probability from 1 gives the probability of at least 11 students majoring in STEM:
P(X >= 11) = 1 - P(X < 11) = 31.8%
Again, we can use the binomial distribution formula from part (a), or a binomial probability calculator or statistical software package to calculate this probability.
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What is the lowest common denominator of 1/32 and 2/3
Answer:
96
Step-by-step explanation:
The least common denominator or lowest common denominator is the smallest multiple that the denominator (that is the number on the bottom of a fraction) has in common.
Since 32, and 3 have no common factors, one simply has to multiply them to find the least common denominator.
32 * 3 = 96
ken has saved $120 in the bank account. Do the following situations leaves ken with a balance of $0
fine the nth term of 11,13,15,17
The nth term of 11,13,15,17 is,
⇒ T (n) = 9 + 2n
Given that;
The sequence is,
11, 13, 15, 17, ....
Here, Common difference is,
13 - 11 = 2
15 - 13 = 2
Hence, Sequence is in Arithmetic sequence.
So, the nth term of 11,13,15,17 is,
⇒ T (n) = a + (n - 1)d
⇒ T (n) = 11 + (n - 1) 2
⇒ T (n) = 11 + 2n - 2
⇒ T (n) = 9 + 2n
Thus, The nth term of 11,13,15,17 is,
⇒ T (n) = 9 + 2n
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Select the correct answer.
Each statement describes a transformation of the graph of f(x) = x. Which statement correctly describes the graph of g(x) if g(x) = f(x) - 3?
A.
It is the graph of f(x) translated 3 units to the left.
B.
It is the graph of f(x) translated 3 units down.
C.
It is the graph of f(x) where the slope is decreased by 3.
D.
It is the graph of f(x) translated 3 units up.
Answer:
It is B
Step-by-step explanation:
It is the graph of f (x) reflected about the x-axis and shrunk vertically by a factor of 10.
Answer:
B.
It is the graph of f(x) translated 3 units down.
Step-by-step explanation:
Can someone check my wrong answers for me? thank u
Are you more likely to see a twelve-pack from the local brewery or a twelve-pack from the large chain with an average fill of 327.9 ml?
Local brewery.
a. At the local brewery the middle 95% of six-packs will have an average fill between ml 326.828 and 329.572 ml
b. At the large chain brewery, the middle 95% of six-packs will have an average fill between 326.824 ml and 329.176 ml.
How to solve thisX ζ N (328.2, 0.7^2)
YζN (328, 0.6^2)
P (X> 327.9) = 0.6659
P (Y> 327.9) = 0.5662
Since, P (X> 327.9) > P (Y> 327.9)
We are more likely to see 12-pack from the local brewery.
a. To find a, b such that P(a<x<b) = 0.95
a= 326.828
b= 329.572
b. To find c, d such that P(c<Y<d) = 0.95
c= 326.824
d= 329.176
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Someone please help me asap.
The equation of the relationship is f(200) = 0.75 * 200
Writing the equation of the relationshipFrom the question, we have the following parameters that can be used in our computation:
Total number of drinks = 200
Cost of each drink = 0.75
Using the above as a guide, we have the following:
f(x) = Cost of each drink * Total number of drinks
Where
f(x) = Total cost
Substitute the known values in the above equation, so, we have the following representation
f(200) = 0.75 * 200
Hence, the equation is f(200) = 0.75 * 200
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Instructions: Find the value of the trigonometric ratio. Make sure to simplify the fraction if needed.
Answer: \(\sin C = \frac{3}{5}\)
============================================
Work Shown:
\(\sin(\text{angle}) = \frac{\text{opposite}}{\text{hypotenuse}}\\\\\sin(C) = \frac{\text{AB}}{\text{AC}}\\\\\sin(C) = \frac{24}{40}\\\\\sin(C) = \frac{8*3}{8*5}\\\\\sin(C) = \frac{3}{5}\\\\\)
In the diagram at right, DE is a midsegment of triangle ABC. If the area of triangle ABC is 96 square units, what is the area of triangle ADE? Explain how you know.
The area of triangle ADE is,
⇒ A = 48 square units
We have to given that,
In the diagram , DE is a midsegment of triangle ABC.
And, The area of triangle ABC is 96 square units
Now, We know that,
Since DE is a midsegment of triangle ABC, it is parallel to AB and half the length of AB. Therefore, DE is half the length of AB.
Hence, the area of triangle ADE is half the area of triangle ABC,
That is,
A = 96 / 2
A = 48 square units
Thus, The area of triangle ADE is,
⇒ A = 48 square units
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Suppose that in an election voter preference is sharply divided along gender lines. 60% of women will vote for Candidate J, the rest will vote for Candidate K; 30% of men will vote for Candidate J, the rest for Candidate K. Which of the following represents the lowest percentage of voters that must be women on election day, in order that Candidate J wins the election?
* 65%
* 67%
* 69%
* 71%
* 73%
By using proportions, it is discovered that 67% of voters who are female and vote for Candidate J to win.
What exactly is a ratio ?A percentage is a component of a total amount, and the three-step rule is used to relate the measurements.
The percentage of voters who select Candidate J is:
60% of x are voters are female
30% of (1 - x), who vote are male
If the total of these percentages is larger than 50% = 0.5, Candidate J will be elected; therefore:
0.6x + 0.3(1 - x) > 0.5
0.6x + 0.3 - 0.3x > 0.5
0.3x > 0.2
x > 2/3
x > 0.667
x > 67%
By using proportions, it is discovered that 67% of voters who are female and vote for Candidate J to win.
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which describes the correct order of steps for constructing an angle bisector of ABC using only a straightedge and compass
Constructing an angle bisector using only a straightedge and compass involves drawing the Angle, creating two arcs that intersect the angle, and using those arcs to create a line segment that bisects the angle.
To construct an angle bisector using a straightedge and compass, there are several steps that you need to follow. The correct order of steps for constructing an angle bisector of ABC using only a straightedge and compass are listed below:
Step 1: Draw the angle ABC with a straightedge.
Step 2: Place the point of the compass on point B and swing an arc that intersects both lines that make up the angle. Label the two points where the arc intersects the angle as points D and E.
Step 3: Without changing the compass width, place the point of the compass on point D and swing an arc that intersects the ray that extends from point B. Label the point of intersection as point F.
Step 4: Without changing the compass width, place the point of the compass on point E and swing an arc that intersects the ray that extends from point B. Label the point of intersection as point G.
Step 5: Draw the line segment FG with a straightedge. This line segment is the angle bisector of angle ABC.
In summary, constructing an angle bisector using only a straightedge and compass involves drawing the angle, creating two arcs that intersect the angle, and using those arcs to create a line segment that bisects the angle. Following these steps will allow you to construct the angle bisector of ABC accurately.
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Jenna bought some apples for $1.25 per pound and some avocados for $4 per pound. Altogether, she spent $14. 25 for 7 pounds of apples and avocados. What is the total number of pounds of avocados Jenna bought?
A. 1
B. 2
C. 3
D. 4
E. 5
The total number of pounds of avocados Jenna bought is B. 2
What is a linear equation?A linear equation is an algebraic equation of degree one. In general, the variable or the variables(in the case of a linear equation in two variables) the variables are x and y.
Assuming Jenna bought x pounds of apples and y pounds of avocados.
Altogether she bought 7 pounds of apples and avocados.
∴ x + y = 7...(i)
Altogether, she spent $14. 25.
∴ 1.25x + 4y = 14.25...(ii)
Now multiplying eqn(i) by 1.25 and subtracting from eqn(ii) to cancel out the variable x, we get
2.75y = 5.5.
y = 2 pounds of avocados and hence 5 pounds of apples.
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What is the solution to the system of equations?
y = 0x + 3
|x = -2
[--]
[2]
[
[-2]
Mark this and return
Save and Exit
Answer:
y = 0x + 3 |x = -2
The second equation tells us that x = -2. Substituting this value into the first equation, we get:
y = 0(-2) + 3 = 3
Therefore, the solution to the system of equations is (x,y) = (-2,3).
Step-by-step explanation:
can someone help me please i don’t understand
Answer:
A and B are perpendicular.
B and C are parallel.
A and C are perpendicular.
Step-by-step explanation:
I drew these on a graph, and therefore, can guarentee these are correct.
Hope this helps! :D
By the way, sorry to ask, but can I have brainliest? This took a while to do.
Gavin has 156 coins. Of the coins, 9/12 are nickels, 2/12 are dimes, and the rest are quarters. What is the ratio of Gavin’s nickels to dimes to quarters?
The ratio of Nickel coins: Dimes coins: Quater coins is, 9:2:1.
What do we mean by ratios?A ratio in mathematics shows how many times one number is contained in another. For instance, if a bowl of fruit contains eight oranges and six lemons, the ratio of oranges to lemons is eight to six. The ratio of oranges to the total amount of fruit is 8:14, and the ratio of lemons to oranges is 6:8.So, the ratio of Gavin’s nickels to dimes to quarters:
Total coins = 156Nickel coins: 156 × 9/12 = 117Dimes coins: 156 × 2/12 = 26Quarter coins = Total coins - Nickel coins - Dimes coins
Quater coins = 156 - 117 - 26Quarter coins = 13Then, the ratio of Nickel coins: Dimes coins: Quater coins is,
117:26:13 ⇒ 9:2:1
Therefore, the ratio of Nickel coins: Dimes coins: Quater coins is, 9:2:1.
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Willa Schaefer deposited $3,000 in a savings plan with her credit
union. The credit union savings plan pays 3% interest compounded
semiannually. If she makes no other deposits or withdrawals:
a. What is the amount in the account after 2½ years?
b. How much interest did her money earn?
c. What is the amount in the account after 4 years?
d. How much interest did her money earn?
The amount in the account after 2½ years is $3231.85 and the interest is $231.85
The amount in the account after 4 years is $3379.47and the interest is $379.47
How to determine the amount and the interest?The amount after 2½ years
The given variables can be represented as:
Deposit amount P = $3,000
Rate of interest, R = 3%
Time, t = 2½ years
The amount from compound interest formula can be calculated as:
A = P(1 + r/n)^nt
Also from the question, we have
n = 2 i.e. compounded semi-annually.
Solving further, we replace the variables with their values in the above equation
A = 3000 * (1 + (3%/2))^(2*2.5)
Evaluate
A = 3231.85
The interest is
I = 3231.85 - 3000
I = 231.85
The amount after 4 years
Here, we have
Time, t = 4 years
The amount from compound interest formula can be calculated as:
A = P(1 + r/n)^nt
Solving further, we replace the variables with their values in the above equation
A = 3000 * (1 + (3%/2))^(2*4)
Evaluate
A = 3379.47
The interest is
I = 3379.47 - 3000
I = 379.47
So, the interest is 379.47
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A set of data with a mean of 53 and a standard deviation of 2.3 is normally distributed. Find the values that are 3 standard deviations from the mean.
Answer:A z-score is measured in units of the standard deviation. ... is two, the value 11 is three standard deviations above (or to the right of) the mean. ... The following two videos give a description of what it means to have a data set that is “normally” distributed. ... The z-scores for µ+3σ and µ–3σ are +3 and –3 respectively.
Step-by-step explanation:
Norma is packing her suitcase for vacation. If the suitcase has a volume of 124 cubic inches and she has already used 96 cubic inches, how many space does she have left (in cubic inches)?
Answer:
the answer is 28 all cha do subtract 124 -96= 28
Step-by-step explanation:
lol use a calculator\