Answer:
About 9 years===================================
Continuous compounding equation:
[tex]P(t) = P_0e^{rt}[/tex]Given[tex]P_0=36000[/tex][tex]P(t)=39.876.15[/tex][tex]t=2.5[/tex]Find the value of r[tex]39786.15= 36000*e^{r*2.5}[/tex][tex]e^{2.5r}=39786.15/36000[/tex][tex]ln \ e^{2.5r}= ln \ 1.10517[/tex][tex]2.5r=0.099[/tex][tex]r=0.099/2.5[/tex][tex]r=0.04[/tex]Now find the time t for the balance to grow to $51806.67:
[tex]51806.67= 36000*e^{0.04t}[/tex][tex]51806.67/36000=e^{0.04t}[/tex][tex]e^{0.04t}= 1.439[/tex][tex]ln \ e^{0.04t}= ln \ 1.439[/tex][tex]0.04t=0.3639[/tex][tex]t=0.3639/0.04[/tex][tex]t=9.0975[/tex]The time required is about 9 years.
Answer:
9 years
Step-by-step explanation:
Continuous Compounding Formula
[tex]\large \text{$ \sf A=Pe^{rt} $}[/tex]
where:
A = Final amount.P = Principal amount.e = Euler's number (constant).r = Annual interest rate (in decimal form).t = Time (in years).Given values:
P = $36,000A = $39,786.15t = 2.5 yearsSubstitute the given values into the formula and solve for r to find the annual interest rate:
[tex]\implies \sf 39786.15=36000 \cdot e^{2.5r}[/tex]
[tex]\implies \sf \dfrac{39786.15}{36000}= e^{2.5r}[/tex]
[tex]\implies \sf \ln \left(\dfrac{39786.15}{36000}\right)=\ln e^{2.5r}[/tex]
[tex]\implies \sf \ln \left(\dfrac{39786.15}{36000}\right)=2.5r[/tex]
[tex]\implies \sf \dfrac{1}{2.5}\ln \left(\dfrac{39786.15}{36000}\right)=r[/tex]
[tex]\implies \sf r=\dfrac{2}{5}\ln \left(\dfrac{39786.15}{36000}\right)[/tex]
[tex]\implies \sf r=0.03999996933...[/tex]
[tex]\implies \sf r=0.04\;(2\;d.p.)[/tex]
Therefore, the annual interest rate is 0.04 = 4%.
To calculate how many years it will take for $36,000 to grow to $51,806.67, substitute the values into the formula and solve for t:
[tex]\implies \sf 51806.67=36000 \cdot e^{0.04t}[/tex]
[tex]\implies \sf \dfrac{51806.67}{36000}= e^{0.04t}[/tex]
[tex]\implies \sf \ln\left(\dfrac{51806.67}{36000}\right)= \ln e^{0.04t}[/tex]
[tex]\implies \sf \ln\left(\dfrac{51806.67}{36000}\right)= 0.04t[/tex]
[tex]\implies \sf \dfrac{\ln\left(\dfrac{51806.67}{36000}\right)}{0.04}=t[/tex]
[tex]\implies \sf t=9.10 \; (2\;d.p.)[/tex]
Therefore, it will take about 9 years for $36,000 to grow to $51,806,67.
The price of a new computer is $1,393 at your local store. This is 20% less than what it costs at the brownstone mall. How much should it cost at the brownstone mall? Round to the nearest dollar.
X = 1/3 Y = 3/5 Z = 2 1/4
Work out the value of X x Y x Z
Give your answer as a fraction in its simplest form.
The solved answer for the given fraction expression in will be 2.6833.
What is a fraction?
If the numerator is bigger, it is referred to as an improper fraction and can also be expressed as a mixed number, which is a whole-number quotient with a proper-fraction remainder.
Any fraction can be expressed in decimal form by dividing it by its denominator. One or more digits may continue to repeat indefinitely or the result may come to a stop at some point.
Given X = 1/3
Y = 3/5
Z = 2 1/4 = 9/4
The value of X*Y*Z = (1/3*3/5*9/4)
= (20+36+105)/60
=161/60
=2.6833
Hence the solved answer for the given expression will be 2.6833.
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Find the unknown term in the geometric proportion 8 : 2 :: x : 6
Arithmetic proportions are those whose means are not equal and are called discrete arithmetic proportions. On the contrary, if the means of the arithmetic proportion are equal, it is called continuous.
[tex]\bf\large{\underline{\fcolorbox{blue}{aqua}{Problem:}}}[/tex]
[tex] \sf8 : 2 :: x : 6[/tex]
Since the unknown term is an extreme and as we have seen, it is equal to the product of the means divided by the other extremes, we will have:
[tex]\boxed{\: x = \frac{8 \times6}{2} = \frac{48}{2} = 24 }[/tex]
Therefore, the resulting geometric proportion would be:
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \red\longmapsto \sf \orange{8 : 24 :: 6}[/tex]
8. Why can a² + 100 not be factored using difference of squares? please help!!!
Answer:
the sum of squares kasi yan
Explanation:
first find the squareroot of a² and 100
the squareroot of a²=a
because a×a=a²
the squareroot of 100=10
because 10×10=100
second factor
(a + 10)² or (a + 10)(a + 10)
|||
Solving a word problem on proportions using a unit rate
Ali made $306 for 17 hours of work.
At the same rate, how many hours would he have to work to make $126?
Find the value of the linear correlation coefficient r. Round your answer to 3 decimal places if necessary.
(1 , 6) , (3 , 4) , (5 , 2)
The value of the linear correlation coefficient r is of:
m = -1.
What is a linear function?A linear equation is a special function that has the format of the equation given as follows:
y = mx + b.
The coefficients of the equation y = mx + b are given as follows:
m is the slope, representing the rate of change of y relative to x, which is also the correlation coefficient of the linear function.b is the y-intercept, representing the value of y when x = 0.In this problem, the points of the function are listed as follows:
(1 , 6) , (3 , 4) and (5 , 2)
From these three points, we can gather that when x increases by 2, y decays by 2, hence the slope of the linear function is given as follows:
m = -2/2 = -1.
Meaning that the linear correlation coefficient r of the linear function is of r = -1.
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the question in the picture please help
The measures, using the binomial distribution, are given as follows:
a) Probability that exactly six arrive within two days: 0.735 = 73.5%.
b) Probability that exactly five arrive within two days: 0.232 = 23.2%.
c) Mean: 5.7 letters.
d) Variance: 0.285 letters².
e) Standard deviation: 0.534 letters.
What is the binomial distribution formula?The mass function, formula for the probability of x successes, is defined as follows:
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
The parameters of the mass function are listed as follows:
n is the number of trials of the experiment.p is the probability of a success on a single trial of the experiment.Hence, in the context of this problem, the values of these parameters are given as follows:
n = 6, p = 0.95.
The probability that all six arrive within two days is of:
P(X = 6) = 0.95^6 = 0.735 = 73.5%.
The probability that five arrive within two days is:
P(X = 5) = 6 x 0.95^5 x 0.05 = 0.232 = 23.2%.
The statistical measures are calculated as follows:
Mean: E(X) = np = 6 x 0.95 = 5.7 letters.Variance: V(X) = np(1 - p) = 6 x 0.95 x 0.05 = 0.285 letters².Standard deviation: S(X) = sqrt(V(X)) = sqrt(0.285) = 0.534 letters.More can be learned about the binomial distribution at https://brainly.com/question/24756209
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5x−3y=−3
Step 1 of 2 : Determine the slope and the y-intercept (entered as an ordered pair) of the equation above. Reduce all fractions to lowest terms.
The slope of the function 5x − 3y = −3 is 5/3 and the y-intercept of the function 5x − 3y = −3 is 1.
First, let us understand the slope intercept form;
The slope intercept form is simply a way of writing a line's equation so that the slope (steepness) and y-intercept (where the line crosses the vertical y-axis) are obvious.
We know that the slope intercept form of a line is y = mx + c where m is the slope of the line and b is the y-intercept of the line.
We are given;
5x − 3y = −3
- 3y = -5x - 3
3y = 5x + 3
y = 5/3 x + 1
Compare with y = mx + c, we will get;
m = 5/3
b = 1
So, the slope is 5/3 and the y-intercept is 1.
Thus, the slope of the function y = 2 + 34x is 5/3 and the y-intercept of the function y = 2 + 34x is 1.
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I'll mark as brainlist!
Answer: A & D
Step-by-step explanation: Multiply length times width
l x w = a
Point E is added to the given figure so that point E lies on segment BD exactly halfway between points B and D. Which statement correctly compares the angle measures?
Answer:
there is no picture but m∠EBD = m∠EBD would be one of the best one as a guess to what the photo might be
Step-by-step explanation:
Point E is added to the given figure so that point E lies on segment BD and it is exactly halfway between points B and D
Ordered 0.5mg/ kg and supplied 10 mg/ml and weighs 40 kg how many mls do you give
As per the given relation between ordered mg to kg and supplied mg to ml then weighs 40kg is equal to 2ml.
As given in the question,
Relation between mg to kg as per the ordered is given by ,
0.5 mg / kg
⇒ For 1 kg = 0.5 mg
Relation between mg to ml as per the supplied is given by ,
10 mg / ml
⇒ 1 ml = 10 mg
Now for 40 kg weighs the relation is given by,
1 kg = 0.5 mg
⇒ 40 kg = ( 40 × 0.5) mg
⇒ 40 kg = 20 mg ___(1)
And
1 ml = 10 mg
⇒ ( 2 × 1) ml = ( 2 × 10 ) mg
⇒ 2ml = 20mg ____(2)
From (1) and (2) we get ,
For 40 kg weighs we need 2ml.
Therefore, As per the given relation between ordered mg to kg and supplied mg to ml then weighs 40kg is equal to 2ml.
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Usman graphs a proportional relationship. Leandro graphs a line that passes through the origin. What do you know about the y-intercept of each student’s graph? Explain your answer.
If the graph is passes through the origin then there is no y - intercept on the graph.
What is an 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;
Usman graphs a proportional relationship.
And, Leandro graphs a line that passes through the origin.
Now,
Since, Leandro graphs a line that passes through the origin.
That's mean the graph has no any y - intercept.
Thus, If the graph is passes through the origin then there is no y - intercept on the graph.
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If the graph is reflected over the x-axis, what is the
domain of the function?
Answer:
When the function is to be reflected over the x and y-axis, we write it as a reflection of a function over x = y, so it is divided into two parts or two cases y = x and y = − x. When the graph of function is reflected over y = x, then we will swap the coordinates of the x and y-axis with each other while their signs remain the same.
Step-by-step explanation:
Increase 52 by 14% pl
Answer: 59.28
Step-by-step explanation:
your welcome :)
The inequality x ≤ -2 would represent the values {-1, -2, -3}.
False
True
Answer:
False
Step-by-step explanation:
x ≤ - 2
the symbol ≤ ( less than or equal to ) means that x can equal - 2 and any values to the left of - 2 on the number line.
- 1 is to the right of - 2 and - 3 is to the left , so
the values represented are - 2, - 3
if x- 37 equals to 93 find x
Answer:
x = 130
Step-by-step explanation:
x - 37 = 93 ( add 37 to both sides )
x = 130
Answer:
x=130
Step-by-step explanation:
x-37=93
x=93+37
x=130
x-37=93
-37-93= x (- / - =+ )
130=x
So, your answer is 130
Express the sample proportion as a percent:
Out of 1150 insurance applicants, 837 have no citations on their driving record.
%
Answer:
837/1150=0.727
Or 73%
Step-by-step explanation:
what is the equation of the line shown below
A y=-2/3x+1
B y=2/3x-1
C y=2x-1
D y=6x=4
The equation of the line is option (C) y = 2x - 1
First we have to choose two points
The first point = (1, 1)
The second point = (2, 3)
The slope of the line = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]
Where m is the slope of the line
[tex](x_1,y_1)[/tex] is the coordinates of first point
[tex](x_2,y_2)[/tex] is the coordinates of the second point
Substitute the values in the equation
Slope of the line = (3-1) / (2-1)
= 2 / 1
= 2
From the graph line is intersecting on y axis at y = -1
The slope intercept form of the line
y = mx + b
where m is the slope of the line
b is the y intercept
Substitute the values
y = 2x - 1
Hence, the equation of the line is option (C) y = 2x - 1
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Fill in the missing statement/reason for the following proof:
The missing statement and the reason of LN bisects ∠MLO, LM≅LO are given and ∠OLN≅∠MLO is because of definition of angle bisector, LN≅LN is because it is common to both the angles ∠LNO AND ∠LNM, LO≅LM is because ΔLNO and ΔLNM both are congruent.
Given that:
LN bisects ∠MLO and LM≅LO
Prove that: ΔLMN ≅ ΔLON
In order to prove ASA congruence between the triangles we need two angles to be congruent to each other. When we look at the figure, we see that ∠LNO ≅ ∠LNM is a common angle in both the triangles.
Hence, using this we will prove that the triangles are congruent by ASA congruence rule.
In ΔLON and ΔLMN
Side ON ≅ Side MN
∠LNO ≅ ∠LNM ( ∵ common angle)
∠ONL ≅ ∠MNL (∵ Given as LN is the angle bisector of ∠MLO)
⇒ ΔLMN ≅ ΔLON ( By ASA congruence theorem).
Statement 1: LN bisects ∠MLO
Reason: Given.
Statement 2: LM≅LO
Reason: Given.
Statement 3: ∠OLN≅∠MLO
Reason: Definition of angle bisector.
Definition of angle bisector: An angle bisector is defined as a line segment that bisects one of the vertex angles of a triangle.
Statement 4: LN≅LN
Reason: Common to both the angles ∠LNO AND ∠LNM and also these angles are 90° because angle made by angle bisector is always 90°.
Statement 5: LO≅LM
Reason: ΔLNO and ΔLNM both are congruent.
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kims music files takes up 7 gigs of space on her hard drive. about how many bytes is that how many bits is that?
-4 represents the sand that lies under 4 feet of water. 4
represents a branch 4 feet above the water.
What does zero represent in this situation?
A. The distance between the sand and the branch
B. The distance to the branch
C. The surface of the water
D. The
distance
to the sand
176795
720-2
569095
$196
in this situation Zero represents, The surface of the water
-4 represents the sand that lies under 4 feet of water.
4 represents a branch 4 feet above the water.
Upon analysis, it can be said that as we move downwards, the value increases in negative sign
As we move upwards, the value increases in positive sign
The surface of water becomes the origin, as it is zero.
Therefore, , in this situation Zero represents, The surface of the water
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An orchard has 440 orange trees. The number of rows exceeds the number of trees per row by 2. How many trees are there in each row?
Given the number of trees in the orchard, the number of trees in each row is 20 trees.
How to find the number of trees?Assuming that the number of rows is represented as x, the number of trees would be 2 less than the number of rows which makes it:
= x - 2
The number of trees is:
x ( x - 2) = 440
x² - 2x - 440 = 0
Solving for r can then be done quadratically which gives us:
x = (2 ± √(2² - 4(1) (- 440)) / 2 (1)
= 22, and -20
The number of rows in the orchard cannot be negative so the number of rows is 22.
The number of trees is therefore:
= Number of rows - 2
= 22 - 2
= 20 trees
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calculate the sizes of angles marked with letters in the following diagrams, giving reasons for your answers
Find the y-intercept and x-intercept of the following linear equation.
x+4y=4
Enter the coordinates to plot points on the graph.
Answer:
y intercept: 1
X intercept: 4
Step-by-step explanation:
to find y intercept we set x to 0
0+4y=4
/4. /4
y=1
y intercept is 1
Now for x intercept we set y to 0
x+4(0)=4
x=4
X intercept is 4
Hopes this helps please mark brainliest
5 customers entered a store over the course of 3 minutes. At what rate were the customers entering the store in customers per minute?
Answer: Par affluence
Step-by-step explanation: Car chaque 3 min le nombre de client augmentera
K
Question 1, 6.8.1
Part 1 of 5
The size P of a certain insect population at time t (in days). obeys the function P(t) = 300e0.05t
(a) Determine the number of insects at t=0 days.
(b) What is the growth rate of the insect population?
(c) What is the population after 10 days?
(d) When will the insect population reach 420?
(e) When will the insect population double?
(a) What is the number of insects at t=0 days?
0 insects
HW Score: 0%, 0 of 4 points
O Points: 0 of 1
**
a) At t = 0days : 300insects
b) The growth rate is 5.12% each day.
c) Population after 10days: P(10) =494.61
d) The population to reach 420 is equals roughly 70.129 hours
e) The insect population double in t=6.020 days , which is 144.48 hours.
What is Population?
Any whole group that shares at least one trait is referred to be a population. People do not make up all populations. Populations can include, but are not limited to, individuals, animals, organizations, structures, buildings, cars, farms, objects, or occasions.
Given: t in days, P(t)=300e(0.05t).
(a) The total number of insects at time t=0 days is equal to
P(0)=300(1)
P(0) =300.
(b) The growth rate is calculated as the percentage increase over time, which is equal to-
P(t+1)/P(t)=300e(0.05(t+1))/300e(0.05t)
P(t+1)/P(t) =e^(0.05(1))
P(t+1)/P(t) =1.0512
Therefore, the growth rate is 5.12% each day.
(c) Population after 10 days.
P(10)=300e^(0.05*10)
P(10) =300(1.6487)
P(10) =494.61
(d) When P(t)=420, the population will reach 420,
or 300e0.05t=420,
take log
0.05t=log(1.4), or
t = 2.922 days,
for the population to reach 420.
equals roughly 70.129 hours
(e) When P(t)=2*300=600 the population will double.
300e^(0.05t)=600
=> e^(0.05t)=600/300=2
Take log
(log 0.05t=log(2)),
t=6.020 days , which is 144.48 hours.
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Aldo is saving money to buy a game. the game cost $18, and so far he has saved one-third of this cost. How much money has Aldo saved
Answer: c=54
Step-by-step explanation:
Can someone please find the area of the shape below thank you!
Answer:
43 cm^2
Step-by-step explanation:
Area of the triangle:
A = (1/2) x base x height
A = (1/2) x (2 cm + 4 cm) x 7 cm
A = (1/2) x (6 cm) x 7 cm
A = (1/2) x 42 cm^2
A = 21 cm^2
The area of the triangle is 21 cm^2
Area of the rectangle:
A = length x width
A = 11 cm x 2 cm
A = 22 cm^2
The area of the rectangle is 22 cm^2
Area of the figure = Area of the triangle + Area of the rectangle
Area of the figure = 21 cm^2 + 22 cm^2
Area of the figure = 43 cm^2
Which of the following number sentences is true? A. 5+3 x 22 = 256 C. 5+3 x 22 = 32 B. 5+3 x 22 = 180 D. 5+3 x 2² = 17
The sentence which is true is 5+3×2²=17. The correct option is D.
Given the sentences is 5+3×22=256, 5+3×22=32, 5+3×22=180 and 5+3×2²=17.
We want to choose the sentence which is true.
An operator is a wildcard symbol used to indicate a mathematical operation that results in one or more mathematical objects leading to another similar object.
The first option is 5+3×22=256.
Solve the LHS, we get
5+3×22=5+66
5+3×22=71.
The first option 5+3×22≠256.
The second option is 5+3×22=32.
Solve the LHS, we get
5+3×22=5+66
5+3×22=71.
The second option 5+3×22≠32.
The third option is 5+3×22=180.
Solve the LHS, we get
5+3×22=5+66
5+3×22=71.
The third option 5+3×22≠180.
The fourth option is 5+3×2²=17.
Solve the LHS, we get
5+3×2²=5+3×4
5+3×2²=5+12
5+3×2²=17.
The fourth option 5+3×2²=17.
Hence, the sentence which is true from the given sentences is 5+3×2²=17.
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Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Match the estimated value of each expression with its position on the number line.
From the number line √90-√40 match with D, [tex]\frac{\sqrt{35}-\sqrt{42}}{\sqrt{5}-\sqrt{6}}[/tex] match with C, 2√27 -√48 match with E and [tex]\frac{\sqrt{54}-\sqrt{24}}{\sqrt{18}-\sqrt{8}}[/tex] match with A.
In the given question we have to match the each expession with its position on the number line.
The given first expression is √90-√40.
We firstly simplifying the expression.
√90-√40=√9×10-√4×10
√90-√40=3√10-2√10
Taking common [tex]\sqrt{10}[/tex] on both side
√90-√40=√10(3-2)
√90-√40=√10
√90-√40=3.16
From the number line √90-√40 match with D.
The given second expression is [tex]\frac{\sqrt{35}-\sqrt{42}}{\sqrt{5}-\sqrt{6}}[/tex].
We firstly simplifying the expression.
We can write it as
[tex]\frac{\sqrt{35}-\sqrt{42}}{\sqrt{5}-\sqrt{6}}=\frac{\sqrt{5\times7}-\sqrt{6\times7}}{\sqrt{5}-\sqrt{6}}[/tex]
Taking common √7 on both side
[tex]\frac{\sqrt{35}-\sqrt{42}}{\sqrt{5}-\sqrt{6}}=\frac{\sqrt{7}(\sqrt{5}-\sqrt{6})}{\sqrt{5}-\sqrt{6}}[/tex]
[tex]\frac{\sqrt{35}-\sqrt{42}}{\sqrt{5}-\sqrt{6}}=\sqrt{7}[/tex]
[tex]\frac{\sqrt{35}-\sqrt{42}}{\sqrt{5}-\sqrt{6}}[/tex] = 2.65
From the number line [tex]\frac{\sqrt{35}-\sqrt{42}}{\sqrt{5}-\sqrt{6}}[/tex] match with C.
The given third expression is 2√27 -√48.
We firstly simplifying the expression.
We can write it as
2√27 -√48=2√3×9 -√16×3
2√27 -√48=2×3√3 -4√3
2√27 -√48=6√3 -4√3
Taking √3 common on both side, we get
2√27 -√48=√3(6 -4)
2√27 -√48=2√3
2√27 -√48=2×1.71
2√27 -√48=3.42
From the number line 2√27 -√48 match with E.
The given fourth expression is [tex]\frac{\sqrt{54}-\sqrt{24}}{\sqrt{18}-\sqrt{8}}[/tex].
We firstly simplifying the expression.
We can write it as
[tex]\frac{\sqrt{54}-\sqrt{24}}{\sqrt{18}-\sqrt{8}}=\frac{\sqrt{9\times6}-\sqrt{4\times6}}{\sqrt{2\times9}-\sqrt{2\times4}}[/tex]
[tex]\frac{\sqrt{54}-\sqrt{24}}{\sqrt{18}-\sqrt{8}}=\frac{3\sqrt{6}-2\sqrt{6}}{3\sqrt{2}-2\sqrt{2}}[/tex]
[tex]\frac{\sqrt{54}-\sqrt{24}}{\sqrt{18}-\sqrt{8}}=\frac{\sqrt{6}(3-2)}{\sqrt{2}(3-2)}[/tex]
[tex]\frac{\sqrt{54}-\sqrt{24}}{\sqrt{18}-\sqrt{8}}=\sqrt\frac{6}{2}[/tex]
[tex]\frac{\sqrt{54}-\sqrt{24}}{\sqrt{18}-\sqrt{8}}[/tex] =√3
[tex]\frac{\sqrt{54}-\sqrt{24}}{\sqrt{18}-\sqrt{8}}[/tex] = 1.71
From the number line [tex]\frac{\sqrt{54}-\sqrt{24}}{\sqrt{18}-\sqrt{8}}[/tex] match with A.
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Answer: d,c,e,
ur welcomee!