Select the correct answer.
A diagram of angles 1, 2, and 3 Is shown.
Given: Angles 1 and 2 are complementary
m/1=36°
21 and 22 are
complementary
given
m21-36
given
36⁰+ m2 = 90°
definition of
complementary
angles
22 and 23 are
a linear pair
m22+ m23 = 180°
given
linear pairs theorem
What is most likely being shown by the proof?
OA m/1 + m/3 = 90°
OB. m/3 144°
OC m/1 + m/3= 180°
OD. m/3= 126°
m22=54"
subtraction
property of
equality
54+ m23=180"
substitution
property of
equality
Answers
Analyzing the given data, it cab be concluded that Option D, that is, mL3 = 126° is most likely being shown by the proof.
It can be observed from the given diagram, angle 1 and angle 2 are complementary. By the definition of complementary angles, we get the sum of angle 1 and angle 2 equal to 90°.
=> mL1 + mL2 = 90°
The value of angle 1 is given as 36.
=> mL1 = 36⁰
Using the first observed condition and the value of angle 1, we can obtain the value of angle 2.
=> 36⁰ + mL2 = 90°
=> mL2 = 90 - 36 = 54°
Therefore, the value of angle 2 is obtained as 54°.
From the diagram given in the question, it can also be inferred that angle 2 and angle 3 form a linear pair. Using the linear pair theorem, we get the sum of angle 2 and angle 3 as 180°.
=> mL2 + mL3 = 180°
Previously, we have obtained the value of angle 2 as 54°.
Hence, by substituting the value of angle 2 in the above equation, we get,
54° + mL3 = 180°
=> mL3 = 180 - 54 = 126°
Therefore, By researching all the data and the results, we can conclude that all other options are discarded and the correct option is option D.
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Related Questions
i hope someone can help me here, please don't answer nonsense!
Answers
Answer:
f(6) = 5f(a) = 15/(a -3)Step-by-step explanation:
You want to find f(6) and f(a) when f(x) = 15/(x -3).
SubstitutionTo evaluate a function, put the argument where the variable is and simplify as needed.
F(6)Put 6 where x is:
f(6) = 15/(6 -3) = 15/3
f(6) = 5
F(a)Put 'a' where x is:
f(a) = 15/(a -3) . . . . . . cannot be simplified
15. You have a part-time job after school. You work three hours after
school on Monday, Wednesday, and Friday. On Saturday you babysit and
earn an additional fifteen dollars and are given your weekly allowance of
twenty dollars on Sunday. You made a total of $100.25 this week, how
much money are you paid per hour at your part-time job?
Answers
Answer:
$100.25 total
100.25-15-20= $65.25 total for three days
For three Dayan three hours so 3*3 = 9 hrs total
65.25/9=7.25
Hence per hour $7.25
Step-by-step explanation:
Find the quotient of 4 4/5 divided 4/5. Explain how you can use the GCF to write your answer I. Simplest form.
Answers
Answer:
5/4 Quotient[24/5] and 6
Step-by-step explanation:
5/4 Quotient[24/5]
Simplify the following:
(4 + 4/5)/(4/5)
Multiply the numerator of (4 + 4/5)/(4/5) by the reciprocal of the denominator. (4 + 4/5)/(4/5) = ((4 + 4/5)×5)/4:
((4 + 4/5)×5)/4
Put 4 + 4/5 over the common denominator 5. 4 + 4/5 = (5×4)/5 + 4/5:
(((5×4)/5 + 4/5) 5)/4
5×4 = 20:
((20/5 + 4/5)×5)/4
20/5 + 4/5 = (20 + 4)/5:
(((20 + 4)/5)×5)/4
20 + 4 = 24:
(24/5×5)/4
24/5×5 = (24×5)/5:
((24×5)/5)/4
((24×5)/5)/4 = (24×5)/(5×4):
(24×5)/(5×4)
(24×5)/(5×4) = 5/5×24/4 = 24/4:
24/4
The gcd of 24 and 4 is 4, so 24/4 = (4×6)/(4×1) = 4/4×6 = 6:
Answer: 6
I cant find my answer please help!
Answers
Step-by-step explanation:
we are calculating miles.
when we have speed, which is mph or miles/hour. what do we have to multiply it with to get miles ? hours !
miles/hour × hour = miles
so, in the function D(x) the speed 60 mph has to be multiplied by the hours spent driving to get the driven miles.
x = hours spent driving
the domain is the interval or set of all valid x (input) values. the range is the interval or set of all valid y (function result) values.
so what are valid x (number of driving hours) values ?
it starts with 0, if course (before actually driving). and it goes up to 4 (after 4 hours the 240 miles are "done").
the domain is
0 <= x <= 4
and the range ? that is all the function result values for the valid x values.
for x = 0 this starts at 240.
and goes down for x = 4 to 0.
the range is
0 <= y (= D(x)) <= 240
statistical power is influenced by all of the following except . a. significance error b. critical value level
Answers
Statistical power is influenced by all of the following except observed test value.
What is statistical power?
If there is a real effect present to detect, the statistical power of a hypothesis test is the likelihood of finding it. When an experiment is complete, power may be calculated and presented to make comments about how confident one could be in the conclusions taken from the study's results. It may also be employed as a tool to calculate the sample size or the number of observations needed to detect an effect in an experiment. You will learn the significance of a hypothesis test's statistical power in this lesson, and you'll learn how to compute power analyses and power curves as part of an experimental design.
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Mary will rent a car for the weekend she can choose one or two plans the first plane has it in initial fee of $55 and cost an additional $0.12 per mile driven the second plan has an initial fee of $50 in cost an additional $0.17 per mile driven
Answers
By using the concept of linear equations, amount of driving when two of these plans cost the same will be at x = 100.
The cost when two plans cost the same is $67.
What is Linear Equation in one variable?The linear equation in one variable is written as ax + b = 0, where a and b are two integers and x is a variable. This equation has only one solution.
Given data:
First plan has it in initial fee of $55 and cost an additional $0.12 per mile.
Second plan has an initial fee of $50 in cost an additional $0.17 per mile.
Linear Equation for first plan: f(x) = 55+0.12x
Linear Equation for second plan: s(x) = 50+0.17x
Here, x is a variable.
To find out the distance when the two plans cost the same, we'll need to solve:
55 + 0.12x = 50 + 0.17x
55 - 50 = 0.17x- 0.12x
5 = 0.05x
x = 5/0.05
x = 100
The cost when the two plans cost the same :
f(100) = 55 + 0.12(100)
f(100) = $67
s(100) = 50 + 0.17(100)
s(100) = $67
Hence, two of the plans will cost the same at x=100 and cost will be $67.
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Jillion exercise 5 times a week. She runs 3 miles each morning and bikes in the evening. If she exercises a total of 30 miles for the week, how many miles does she bike each evening?
Answers
If she runs 3 miles each morning, that is 15 miles of running per week. So you subtract that 15 from 30, which means she bikes 15 miles per week. Now divide 15 by 5 and the answer is she bikes 3 miles per evening.
Answer: 3 miles
Step-by-step explanation:
Total = 30 miles per week
Weekly runs in the morning= 3*5 = 15 miles per week
Bikes= 30-15 = 15 miles per week
Bikes each day= 15/5 = 3 miles
One number is a lot more than another one.
Both numbers are greater than 100.
What could the two numbers be?
Answers
Write the equation of a quadratic with the vertex at (2,-3) and passing through the point (6,4)
Answers
[tex]\displaystyle\\Answer:\ y=\frac{7}{16}x^2 -\frac{7}{4}x-\frac{5}{4}[/tex]
Step-by-step explanation:
The vertex is also the symmetry point of the parabola. The formula for finding the x-coordinate of the parabola: x = -b/2a (2,-3)
Hence,
[tex]\displaystyle\\2=\frac{-b}{2a} \\[/tex]
Multiply both parts of the equation by -2a:
[tex]\displaystyle\\-4a=b\ \ \ \ \ (1)[/tex]
[tex]y=ax^2+bx+c\ \ \ \ \ -\ \ \ \ \ the\ quadratic\ equation\\\\Thus,[/tex]
You can make a system of equations on two points belonging to the quadratic equation:
[tex]-3=a(2)^2+b(2)+c\\4=a(6)^2+b(6)+c\\\\-3=4a+2b+c\ \ \ \ (2)\\4=36a+6b+c\ \ \ \ (3)\\\\[/tex]
Substitute (1) into equations (2) and (3):
[tex]-3=4a+2(-4a)+c\\4=36a+6(-4a)+c\\\\-3=4a-8a+c\\4=36a-24a+c\\\\-3=-4a+c\ \ \ \ (4)\\4=12a+c \ \ \ \ (5)\\\\\\[/tex]
Subtract equation (4) from equation (5):
[tex]7=16a[/tex]
Divide both parts of the equation by 16:
[tex]\displaystyle\\\frac{7}{16} =a\ \ \ \ (6)[/tex]
Substitute (6) into equations (1):
[tex]\displaystyle\\-4(\frac{7}{16} )=b\\\\-\frac{4*7}{4*4}=b\\\\-\frac{7}{4}=b[/tex]
Substitute values a and b into equation (2):
[tex]\displaystyle-3=4(\frac{7}{16})+2(-\frac{7}{4})+c\\\\ -3=\frac{7}{4} -\frac{14}{4}+c\\\\ -3=-\frac{7}{4}+c \\\\-3+\frac{7}{4}=-\frac{7}{4}+c+\frac{7}{4} \\\\ \frac{-3*4+7}{4} =c\\\\\frac{-12+7}{4}=c\\\\ -\frac{5}{4}=c[/tex]
Thus,
[tex]\displaystyle\\y=\frac{7}{16}x^2 -\frac{7}{4}x-\frac{5}{4}[/tex]
fraction equivalent to 4/6 with 3 as denominator
Answers
Answer:
2/3
Step-by-step explanation:
6 divided by 3 is 2, so you have to divided 4 by 2, which is 2.
Answer:
⅔
Step-by-step explanation:
4 divide by 2 = 2
6 3
therefor 2/3 is equvelet too 4/6.
Hope this helped
{(2,-4),(3,-4),(4,-4),(5,-4),(6,-4)}
Selena says that this relation represents a function. Jose says that it is not a function who do you agree with
Answers
Selena is right. This relation represents a function.
The set of points given is {(2,-4),(3,-4),(4,-4),(5,-4),(6,-4)}.
We can consider 2, 3, 4, 5, 6 as x-values and -4 as the y-value.
Here, the values 2, 3, 4, 5, 6 are related to -4.
This relation represents a function.
Because no two same x-values are related to different y-values. In other words, different x-values can be mapped to same y-value. But two same x-values should not be related to different y-values for the map to be a function.
So here all the x-values are related to the y-value -4. So this is a many-to-one function.
Function is a relation which maps a particular set of points(Domain) to another set of values(Codomain) through which one domain value has exactly one image in the co-domain.
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All students in Ridgewood Junior High School either get their lunch in the school cafeteria or brought it from home on Tuesday. 2% of students brought their lunch. 50 students brought their lunch. How many students in total are in Ridgewood Junior High School? Multiply/scale up to solve.
Answers
The total number of students in Ridgewood Junior High School is 2500 students
It is given that all students in Ridgewood Junior High School either get lunch in the school cafeteria or brought it from home on Tuesday.
No. of students who brought their lunch on Tuesday= 2% = 50 students
Let x be the total number of students in the Ridgewood Junior High School, therefore formulating the equation we get:
2% of x = 50
2/100*x = 50
x = 2500
Total number of students in the school = 2500
Hence, the total number of students in Ridgewood Junior High School is 2500 students
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Reduce completely
[tex]1*2*3*4*5*6\\--------\\6*7*8*9*10[/tex]
Answers
the radian measure of an angle theta is the length of the arc correct: your answer is correct. that subtends the angle in a circle of radius
Answers
We know that an arc is a part of the entire perimeter of a circle.
Radian is defined as a unit of plane angular measurement that is equal to the angle subtended by the circle at the center by an arc that is of the length equal to the radius
We also know that the circle as a whole contains 2π radians
we know that s=rΘ
S=rθ represents the central angle in radians and r is the length of the radius.
Thus we can say that radian measure of an angle theta is the length of the arc.
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Mother, who went to the market with Rs 500 in hand, spent Rs 300 to buy vegetables and Rs 150 to buy fruits. (i) What fraction of the money in hand did she spend on vegetables?
Answers
Answer:
3/5
Step-by-step explanation:
500 is the money she started with if you put that over the money she spent on vegetables it would be 300/500 when simplified it's 3/5
The table below shows how much Joe earns, y, after working x hours.
Joe’s Earnings
Hours worked
Money earned
4
$30
10
$75
12
$90
22
$165
The relationship between money earned and hours worked is linear. Joe computes the slope between (4, 30) and (12, 90), then computes the slope between (4, 30) and (10, 75). How do the two slopes compare?
The slope between (4, 30) and (12, 90) is greater because the ordered pairs are farther apart on the x-axis.
The slope between (4, 30) and (12, 90) is greater because the ordered pairs are farther apart on the y-axis.
The slope between (4, 30) and (12, 90) and between (4, 30) and (10, 75) is the same.
The slope between (4, 30) and (12, 90) is less because 4 is a factor of 12 and 30 is a factor of 90.
Answers
The slope between (4, 30) and (12, 90) and between (4, 30) and (10, 75) is the same.
What is slope?Slope is the 'steepness' of the line, also commonly known as rise over run. slope is dividing the change in the y-value between two points over the change in the x-value.
given co-ordinates:
(4, 30), (10, 75), (12, 90), (22, 165)
Now, the slope between (4, 30) and (12, 90)
m= ( 90-30)/ (12-4)
m= 60 / 8
m = 7.5
and, the slope between (4, 30) and (10, 75)
m= ( 75-30)/ (10-4)
m=45 / 6
m= 7.5
Hence, The slope between (4, 30) and (12, 90) and between (4, 30) and (10, 75) is the same.
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The ratio of dogs to cats are at the kennel is 3:2. there are 20 total dogs and cats at the kennel. how many dogs are at the kennel?
Answers
Answer:
12 dogs
Step-by-step explanation:
Ratios are scaleable, so let's look at all of the equivalent ratios of 3:2. However it needs to add up to 20 (the sum will be in parenthesis)
3:2 (Sum of 5)
6:4 (Sum of 10)
9:6 (Sum of 15)
12:8 (Sum of 20) ----> Correct Answer
flip 98 fair coins and 1 hh coin and 1 tt coin. given that you see an h, what is the probability that it was the hh coin? explain in layman’s terms.
Answers
The probability that it was an HH coin is [tex]\frac{1}{50}[/tex]
Conditional Probability P(B/A) is defined as probability of occurrence of B given that A has already occurred .
Baye's Theorem describes the probability of an event based on conditions that might be related to event .
P(A/B)={P(B/A)*P(A)}/P(B)
Total number of coins =100
Total number of HH coins = 1
P(HH) =Probability of getting HH=1/100
P(H/HH)=Probability of H knowing that HH has already occurred=1
Next to find Probability Of H
We need to find two thing
(i) Probability H appears and is a fair coin= [tex]\frac{1}{2} *\frac{98}{100} =\frac{98}{200}[/tex]
(ii)Probability H appears and is a HH coin = [tex]\frac{1}{100}[/tex]
P(H)= (i)+(ii) =100/200=1/2
BY Baye's Theorem
P(HH|H)={P(H|HH)∗P(HH)}/P(H)
[tex]=\frac{1*\frac{1}{100} }{\frac{100}{200} }[/tex]
[tex]=\frac{2}{100}[/tex]
[tex]=\frac{1}{50}[/tex]
Therefore , The probability that it was an HH coin is [tex]\frac{1}{50}[/tex]
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What is the correct form of the partial fraction decomposition for the expression 7x+18/x^2+9x
a StartFraction A Over x squared + StartFraction B Over 9 x EndFraction
b StartFraction A Over x EndFraction + StartFraction B Over x + 9 EndFraction
c StartFraction A x + B Over x squared EndFraction + StartFraction C Over 9 x EndFraction
d StartFraction A x + B Over x EndFraction + StartFraction C Over x + 9 EndFraction
Answers
The correct form of the partial fraction decomposition for given expression 7x+18/x^2+9x is A/x + B/(x + 9)
The correct answer is an option(B)
In this question, we have been given an expression x² + 9x = x (x + 9),
We need to write the correct form of the partial fraction decomposition for given expression.
Suppose, (7x + 18) / (x² + 9x) = A/x + B/(x + 9)
where A and B are some constants.
To find them, multiply both sides by x² + 9x :
7x + 18 = A (x + 9) + Bx
and then we solve for A and B.
Therefore, the correct form of the partial fraction decomposition for given expression 7x+18/x^2+9x is A/x + B/(x + 9)
The correct answer is an option(B)
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Answer:
The correct answer is option B
Step-by-step explanation:
5 plus 5 equals what?
Answers
Answer: 10
Step-by-step explanation: 1 1 1 1 1+ 1 1 1 1 1= 1 1 1 1 1 1 1 1 1 1 or 10
8x + 5 (2x+3) = 195 find x
Answers
Answer:
x = 10
Step-by-step explanation:
We are given the following equation:
[tex]8x + 5(2x+3) = 195[/tex],
and told to find [tex]x[/tex].
In order to calculate the value of [tex]x[/tex], we have to rearrange the equation to make [tex]x[/tex] the subject:
[tex]8x + 5(2x+3) = 195[/tex]
⇒ [tex]8x + (5 \times 2x) + (5 \times 3) = 195[/tex] [Distributing 5 into the brackets]
⇒ [tex]8x + 10x + 15 = 195[/tex]
⇒ [tex]18x + 15 = 195[/tex]
⇒ [tex]18x + 15 - 15 = 195 - 15[/tex] [Subtracting 15 from both sides of equation]
⇒ [tex]18x = 180[/tex]
⇒ [tex]\frac{18}{18}x = \frac{180}{18}[/tex] [Dividing both sides of equation by 18]
⇒ [tex]x = \bf 10[/tex]
Therefore, the value of x is 10.
(2am³n) (-3am⁴)
pa sagot. thanks
Answers
Answer:
if you just want to simplify, -6a^2 m^7 n
Step-by-step explanation:
Given the equation -12x+4y=12
a) solve for y if x=1
b) solve for y in general
Answers
Answer:
a) y = 6
b) y = 3x + 3
Step-by-step explanation:
a.)
plug 1 into x in the equation:
[tex]-12+4y=12[/tex]
add 12 to both sides to isolate 4y:
[tex]4y=24[/tex]
divide both sides by 4 to simplify x:
[tex]y=6[/tex] [24/4=6]
b.)
add 12x to both sides to isolate 4y:
[tex]4y=12x+12[/tex]
divide both sides by 4x to simplify x:
[tex]y=3x+3[/tex]
need help asap!
What will be the location of the x value of R' after using the translation rule (x + 4, y - 7), if the pre-image R is located at ( 24, -13)
Answers
Point R' is located at (28, -20)
=========================================================
Reason:
The translation rule is [tex](\text{x},\text{y})\to (\text{x}+4,\text{y}-7)[/tex]
It says to add 4 to the x coordinate, and subtract 7 from the y coordinate.
If we apply the rule to point R(24, -13), then we have...
[tex](\text{x},\text{y})\to (\text{x}+4,\text{y}-7)\\\\(24,-13)\to (24+4,-13-7)\\\\(24,-13)\to (28,-20)\\\\[/tex]
This rule shifts the point 4 units to the right and 7 units down.
I’m so confused can anyone help me?
Answers
Answer:
Following is the answer for your question your question can be done in this manner.
send help guys thanks
Answers
The solutions associated with each case are listed below:
3 · x + 22 - x2 · x² + 4 · x1 / 2 + 1 / x2 · x + 22 · x + 4x + 44 · x- 82How to use operations between functions and evaluate resulting expressionsAccording to the statement, we find that the two functions are f(x) = x + 2 and g(x) = 2 · x and we are asked to perform on the functions to obtain all resulting expressions and, if possible, to evaluate on each case:
Case 1
(f + g) (x) = f (x) + g (x) = (x + 2) + 2 · x = 3 · x + 2
Case 2
(f - g) (x) = f (x) - g (x) = (x + 2) - 2 · x = 2 - x
Case 3
(f · g) (x) = f (x) · g (x) = (x + 2) · (2 · x) = 2 · x² + 4 · x
Case 4
(f / g) (x) = f (x) / g (x) = (x + 2) / (2 · x) = 1 / 2 + 1 / x
Case 5
(f ° g) (x) = f [g (x)] = 2 · x + 2
Case 6
(g ° f) (x) = g [f (x)] = 2 · (x + 2) = 2 · x + 4
Case 7
(f ° f) (x) = f [f (x)] = (x + 2) + 2 = x + 4
Case 8
(g ° g) (x) = g [g (x)] = 2 · (2 · x) = 4 · x
Case 9
(g ° g) (- 2) = 4 · (- 2) = - 8
Case 10
(f ° f) (- 2) = - 2 + 4 = 2
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Select the correct answer.
An insurance data scientist is researching a certain stretch of a rural highway where drivers are never pulled over. The mile markers in the solution of the following inequality determines the conclusion of his research.
Solve and interpret the compound inequality, where x represents the mile marker along the highway.
2x − 18 ≥ 122 or 5x + 15 < 250
Drivers located below mile marker 47 or at mile marker 70 or above never get pulled over.
Drivers located between mile marker 46 and mile marker 71 never get pulled over.
Drivers located below mile marker 46 or at mile marker 71 or above never get pulled over.
Drivers located between mile marker 47 and mile marker 70 never get pulled over.
Answers
The correct interpretation regarding the solution of the compound inequality is given as follows:
Drivers located below mile marker 47 or at mile marker 70 or above never get pulled over.
How to solve a compound inequality involving the or operation?To solve a compound inequality involving the or operation, we solve each inequality, then apply the union operation to their solutions.
In this problem, the following inequalities help us find the miles x in which the drivers are never pulled over.
2x - 18 ≥ 122.5x + 15 < 250.The solutions are found as follows:
2x - 18 ≥ 122
2x ≥ 140
x ≥ 140/2
x ≥ 70.
5x + 15 < 250.
5x < 235
x < 235/5
x < 47.
Hence the correct option is given by:
Drivers located below mile marker 47 or at mile marker 70 or above never get pulled over.
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The pawpaw shown has the same mass as the total mass of 8 mangoes of the same size. An orange has 2/5 the mass of a mango. What is the mass, in kilograms, of 3 mangoes and 5 oranges together?
Answers
The mass of 3 mangoes and 5 oranges together is 5x kg.
Let the mass of mangoes be 'x'
Given the total mass that pawpaw has = a total mass of 8 mangoes
= 8x
mass of an orange = 2/5 the mass of a mango
= 2/5 * x
Now, the mass of 3 mangoes and 5 oranges together as
= 3 * mass of mangoes + 5 * mass of orange
= 3 * x + 5 * 2/5 * x
= 3x + 2x
= 5x kg
The mass of 3 mangoes and 5 oranges together is 5x kg.
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1. At 2 p.m., a car is 100 km east of Toronto, driving eastward at 80 km/h. A truck leaves Toronto at 2 p.m. and is driving eastward at 120 km/h. At what time will the truck pass the car? How far east of Toronto will they be when this occurs?
Answers
The time at which the truck will pass the car is 2.5 hours and the distance at which the car and truck meet is 200km.
What is velocity?Velocity is defined as the ratio of the distance moved by the object at a particular time. The velocity is a vector quantity so it needs both the magnitude and the direction.
Given that at 2 p.m., a car is 100 km east of Toronto, driving eastward at 80 km/h. A truck leaves Toronto at 2 p.m. and is driving eastward at 120 km/h.
The time will be calculated as:-
Relative velocity = Distance / Time
Time = Distance / Relative velocity
Time = 100 / 120 - 80
Time = 2.5 Hours
Distance of car = Speed x time = 80 x 2.5
Distance of car = 80 x 2.5
Distance of car = 200 Km
Therefore, the time at which the truck will pass the car is 2.5 hours and the distance at which the car and truck meet is 200km.
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What is the value for
y
in the equation
y
=
x
2
when
x
=
3
?
Answers
y = 2x = 6