Answers
Answer:
2000
Step-by-step explanation:
Hello,
A or C means 2 ways
and then a digit means 10 ways 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
so in total we have 2*10*10*10 = 2000 possible codes
Hope this helps
Related Questions
. A car bought for $20,000. Its value depreciates by 10% each year for 3 years. What is the car's worth after3 years?
Answers
Answer:
$14,580
Step-by-step explanation:
To start off, 10% of 20,000-one easy way to do this is to multiply 20,000 by 0.1, which is 10% in decimal form
-In doing that, you get 2,000
-Now the question says that the value is depreciated which means it goes down in value, so subtract 2,000 from 20,000 to 18,000
-the value of the car after one year is now $18,000
Now, let's move to the second year. This time find 10% of 18,000
-multiply 18,000 by 0.1 to get 1,800
-since the value is depreciating, or becoming less, we will subtract 1,800 from 18,000 to get 16,200
-the value of the car after two years is now $16,200
Finally, let's look at the value of the car after three years. Only this time, we will now find 10% of 16,200
-multiply 16,200 by 0.1 to get 1,620
-since value is being depreciated, or lessened, we will once again be subtracting. Subtract 1,620 from 16,200 to get 14,580
Therefore, the value of the car after three years is now $14,580.
Lines e and f are parallel. The mAngle9 = 80° and mAngle5 = 55°.
Parallel lines e and f are cut by transversal c and d. All angles are described clockwise, from uppercase left. Where lines e and c intersect, the angles are: 1, 2, 4, 3. Where lines f and c intersect, the angles are 5, 6, 8, 7. Where lines e and d intersect, the angles are 9, 10, 12, 11. Where lines f and d intersect, the angles are 13, 14, 16, 15.
Which angle measures are correct? Select three options.
Answers
Answer:
Fist if all u will draw ur Parallel lines e and f are cut by transversal c and d. All angles are described clockwise, from uppercase left. Secondly u will draw ur Parallel lines or angle.
Answer:
a c e
Step-by-step explanation:
juice is $1.79 for 8-4.23 ounce boxes. What is the unit price
Answers
Answer:
I believe the unit price would be 2.39 per unit
Step-by-step explanation:
What is the perimeter of the rectangle?
Answers
Answer:
32
Step-by-step explanation:
P=2(l+w)
so 2(11+5)=P
2(11+5)=32
Kelly needed to use 3 pounds 15 ounces of clay to make a bowl and twice as much to make a vase. If she had a 12-pound bag of clay available, did she have enough clay to make both items?
Answers
Answer:
yes
Step-by-step explanation:
so first you would convert pounds into ounces (It's easier for me)
and there are 16 ounces in one pound so for 3 pounds you would have 48 ounces then add the 15 ounces to get 63 ounces and if she needs twice as much to make a vase she would need 126 ounces for a vase then you would add the other 63 to that to get a total of 189 ounces of clay in order to create the bowl and vase, and in order to find out how many ounces are in a 12 pound bag you would just multiply 12 by 16 to get 192 ounces. So yes she does have enough clay to make a bowl and a vase.
Which equation describes the same line as y -3 equals -1 (x + 5)?
Answers
Answer:
y=-x-2
Step-by-step explanation:
y-3=-x-5
y=-x-2
Marked price of a camera is Rs.5000. If it
sold at 15% discount, what will be discount amount?
Answers
The discount is 15%, multiply the price y 15%:
5000 x 0.15 = 750
The discount is 750
The side lengths of a triangle are 9, 12, and 15. Is this a right triangle?
Answers
Answer:
Yes, this is a right triangle.Step-by-step explanation:
Hypotenuse always have the highest number than base and perpendicular.
Hypotenuse ( h ) = 15
Base ( b ) = 9
Perpendicular ( p ) = 12
Let's see whether the given triangle is a right triangle or not
Using Pythagoras theorem:
[tex] {h}^{2} = {p}^{2} + {b}^{2} [/tex]
Plugging the values,
[tex] {15}^{2} = {12}^{2} + {9}^{2} [/tex]
Evaluate the power
[tex]225 = 144 + 81[/tex]
Calculate the sum
[tex]225 = 225[/tex]
Hypotenuse is equal to the sum of perpendicular and base.
So , we can say that the given lengths of the triangle makes a right triangle.
Hope this helps..
Best regards!!
Answer:
[tex]\boxed{Yes.}[/tex]
Step-by-step explanation:
To solve this equation, we can use the Pythagorean Theorem: [tex]a^2 + b^2 = c^2[/tex], where [tex]a[/tex] and [tex]b[/tex] are regular side lengths and [tex]c[/tex] is the hypotenuse.
The hypotenuse is the longest side of a triangle and is assigned to the [tex]c[/tex]-variable.The other two side lengths can be assigned to either [tex]a[/tex] or [tex]b[/tex] because of the commutative property: [tex]a + b = b + a[/tex].Now, just substitute the side lengths into the formula and solve!
[tex]9^2 + 12^2 = 15^2[/tex] Simplify the equation by taking each value to its power.
[tex]81 + 144 = 225[/tex] Simplify by adding like terms.
[tex]225 = 255[/tex]
Therefore, this is indeed a right triangle.
What is the value of a for the exponential function in the
graph represented in the form of f(x) = a(b)?
O -4
O -3
O 3
O 4
Answers
Answer:
Option (4)
Step-by-step explanation:
If the given exponential function is in the form of f(x) = [tex]a(b)^x[/tex]
From the graph we find that two points (0, 3) and (0.5, 6) lie on the graph.
For (0, 3),
f(0) = [tex]a(b)^0[/tex]
3 = a
For (0.5, 6),
f(0.5) = [tex]3(b)^{0.5}[/tex]
6 = [tex]3\sqrt{b}[/tex]
[tex]\sqrt{b}=2[/tex]
b = 4
Therefore, value of b in the given function 'f' is 4.
Option (4) will be the answer.
Answer:
(D) 4
Step-by-step explanation:
♥☺
Simplify each expression.
1) 3(8Z² - 52 - 7)
2) 8d(2d-4)
6) 6(5x - 4)
7) 6q- 4
Answers
Answer:
1) 24Z^2 - 177.
2) 16d^2 - 32d.
6) 30x - 24.
7) 6q - 4.
Step-by-step explanation:
1) 3(8Z^2 - 52 - 7)
= 3(8Z^2 - 59)
= 24Z^2 - 177
2) 8d(2d - 4)
= (8d * 2d) - (8d * 4)
= 16d^2 - 32d
6) 6(5x - 4)
= (6 * 5x) - (6 * 4)
= 30x - 24
7) Already simplified. 6q - 4.
Hope this helps!
There are 6 different colored pens in a box. Each pen has a unique color. In how many orders can 4 pens be chosen? In other words, what is the number of permutations of picking 4 pens from the box?
Answers
Answer:
360 different permutations.
Step-by-step explanation:
It goes 6*5*4*3 because as you pick the pens the amount of pens in the jar would obviously decrease. Picking one leaves you with 5 new options. If you repeat that 4 times then you are left with 360 options.
The number of permutations of picking 4 pens from the box is 6P4, or 6!/(6-4)! = 654×3 = 360.
We have 6 pens and we are picking 4 of them. The order in which we pick the pens matters, so we are dealing with permutations.
The number of permutations of n objects is given by n!, or n factorial. So, the number of permutations of 6 objects is 6!.
However, we need to divide by the number of permutations of the 2 pens that we are not picking. There are 2 pens that we are not picking, so the number of permutations of those pens is 2!.
Therefore, the number of permutations of picking 4 pens from the box is 6!/(6-4)! = 654×3 = 360.
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Sergei runs a bakery. He needs at least 175 kilograms of flour in total to complete the holiday orders he's received. He only has 34 kilograms of flour, so he needs to buy more. The flour he likes comes in bags that each contain 23 kilograms of flour. He wants to buy the smallest number of bags as possible and get the amount of flour he needs. Let F represent the number of bags of flour that Sergei buys.
Answers
Answer:
Step-by-step explanation:
34+23F=175
23F=175-34=141
F=141/23≈6.13
so he buys more 7 bags
Using proportions, it is found that Sergei needs to buy 7 bags.
-----------
This question is solved by proportions, using a rule of three.He has 34 kilograms of flour.He needs 175 kilograms.Thus, he needs to buy 175 - 34 = 141 kilograms.Each bag contains 23 kilograms. How many bags are needed for 141 kilograms?1 bag - 23 kilograms
x bags - 141 kilograms
Applying cross multiplication:
[tex]23x = 141[/tex]
[tex]x = \frac{141}{23}[/tex]
[tex]x = 6.1[/tex]
Rounding up, he needs to buy 7 bags.
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Triangles ABC and EDC are outlined on a bridge. The triangles share vertex C and angles D and B are right angles. A new bridge structure requires triangles that are in a ratio of 1:1. If AC = 5x − 5 and EC = 3x + 9, find the distance between the top and bottom of the bridge, in feet.
Answers
CHECK THE ATTACHED FIQURE FOR THE BRIDGE
Answer:
60 ft
Step-by-step explanation:
From the question we know that triangles ABC and EDC are in a 1:1 with this given ratio it implies that
triangles ABC and EDC are congruent then we can say
side EC = side AC
3x + 9 = 5x - 5
Then we can simplify to know value of x
3x + 14= 5x
2x = 14
x = 7
But we know that AC= 5x - 5 , then substitute value of x into it
AC = 5x + 5 = 5(7) - 5
= 35 - 5
AC= 30 ft
Also EC= 3x + 9 then substitute value of x into it
EC = 3x + 9 = 3(7) + 9
= 21 + 9
EC= 30 ft
Then the the distance between the top and bottom of the bridge, in feet, = EC+AC
= 30 + 30 = 60 ft
Answer:
60 ft
Step-by-step explanation:
i did the test
A sequence is defined by the formula f(n+1)=f(n)-3. If f(4)=22, what is f(1)?
o 10
013
0 31
O 34
Answers
Answer:c.31
Step-by-step explanation:
The value of function f (1) is,
⇒ f (1) = 31
What is mean by Function?A relation between a set of inputs having one output each is called a function. and an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
We have to given that;
A sequence is defined by the formula,
⇒ f (n+1) = f(n) - 3
Now, We can find the value of f (1) as;
Here, f (4) = 22
Put n = 3;
⇒ f (n+1) = f(n) - 3
⇒ f (3+1) = f(3) - 3
⇒ f (4) = f (3) - 3
⇒ 22 = f (3) - 3
⇒ 22 + 3 = f(3)
⇒ f(3) = 25
Put n = 2;
⇒ f (2+1) = f(2) - 3
⇒ f (2+1) = f(2) - 3
⇒ f (3) = f (2) - 3
⇒ 25 = f (2) - 3
⇒ 25 + 3 = f(2)
⇒ f(2) = 28
Put n = 1;
⇒ f (n+1) = f(n) - 3
⇒ f (1+1) = f(1) - 3
⇒ f (2) = f (1) - 3
⇒ 28 = f (1) - 3
⇒ 28 + 3 = f(1)
⇒ f(1) = 31
Thus, The value of function f (1) is,
⇒ f (1) = 31
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Two 6-sided dice are rolled. What is the probability the sum of the two numbers on the die will be 3?
Answers
Answer as a fraction = 1/18
Answer in decimal form (approximate) = 0.0556
Answer in percent form (approximate) = 5.56%
========================================================
Explanation:
We have 6*6 = 36 ways to roll out two dice. I recommend making a chart to show all the possible outcomes. You can search online for a "dice chart" or "sum of dice chart" and one will be made for you. The chart is a handy reference to see all the outcomes.
Of those 36 total outcomes, only 2 outcomes have the dice add to 3. Those two outcomes are 1+2 and 2+1.
So the number of events we want is 2 out of 36 total, meaning 2/36 = 1/18 is the probability.
Using your calculator, you should find that 1/18 = 0.0556 approximately, which converts over to 5.56% roughly.
The probability the sum of the two numbers on the die will be 3 is 5.56% roughly.
What is the probability?Probability refers to a possibility that deals with the occurrence of random events.
The probability of all the events occurring need to be 1.
Two 6-sided dice are rolled. We need to find the probability the sum of the two numbers on the die will be 3.
We have 6 x 6 = 36 ways to roll out two dice.
Out of those 36 total outcomes, only 2 outcomes have the dice add to 3.
Those two outcomes are 1+2 and 2+1.
Thus, the number of events we want is 2 out of 36 total,
2/36 = 1/18 is the probability.
1/18 = 0.0556 approximately, which converts over to 5.56% roughly.
Therefore, the probability the sum of the two numbers on the die will be 3 is 5.56% roughly.
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A moving van’s cargo area has a maximum volume of 480 cubic feet. Allie is transporting boxes of two sizes: 12 cubic feet and 5 cubic feet. If she wants to carry more than 3 times as many of the smaller boxes, what is the maximum number of larger boxes that she can fit in the van? A) 15 B) 16 C) 17 D) 18
Answers
Answer: C) 17
Step-by-step explanation:
Let x be the number of large boxes
As per given,
Number of small boxes= 3 × (number of large boxes)
i.e. Number of small boxes= 3x
Allie is transporting boxes of two sizes: 12 cubic feet and 5 cubic feet.
Total volume = 12 (number of large boxes) + 5(Number of small boxes)
= 12 x+ 5 (3x)
= 12x+15x
= 27x
A moving van’s cargo area has a maximum volume of 480 cubic feet.
[tex]\Rightarrow\ 27x \leq480[/tex]
Divide both sides by 27 , we get
[tex]x\leq17.78[/tex]
i.e. maximum value x can take = 17
So, the maximum number of larger boxes that she can fit in the van = 17.
Hence, the correct option is C) 17 .
The confidence interval for the water consumption of a certain plant is 5 gallons to 13 gallons per year. The level of confidence is 95%. What is the average consumption and the margin of error?
Answers
Answer:
Average consumption ( mean ) = 9
MOE = 4
Step-by-step explanation:
We know that
CI ( 5 ; 13 )
and CI [ μ - MOE ; μ + MOE ]
From the above relations we get
μ - MOE = 5
μ + MOE = 13
Adding member to member these two equations we get
2*μ = 18
μ = 9 and MOE = 13 - 9
MOE = 4
The area of a rectangle is given by the expression 2x^3+5x^2-2x+3 . If the length of the rectangle is given by the expression x + 3, find the expression that represents the width
Answers
Answer:
2x^2 - x + 1
Step-by-step explanation:
This is polynomial long division:
Divide x + 3 into 2x^3 + 5X^2 - 2x + 3:
Divide 2x^3 by x = 2x^2
Multiple 2x^2 by (x + 3) = 2x^3 + 6x^2
Subtract that from 2x^3 + 5X^2 - 2x + 3 = -x^2 -2x + 3
Divide -x^2 by x = -x
Multiple -x by (x + 3) = -x^2 - 3x
Subtract that from -x^2 - 2x + 3 = x + 3
Divide x by x = 1
Multiple 1 by (x + 3) = x + 3
Subtract from x + 3 = 0
The table below shows the distribution of students who speak some Ghanaian languages.
Language Number of students .
Nzema 5
Ga 20
Twi 30
Ewe 25
Fante 10
i. Draw a pie chart to illustrate the data.
ii. What percentage of the students speaks Ewe?
iii. What is the modal language?
iv. What fractions of the students speak either Ga or Fante
Answers
Answer:27.78% ; Twi; 1/3
Step-by-step explanation:
Given the data :
Language - - - - - - - Number of students
Nzema - - - - - - - - - - - 5
Ga - - - - - - - - - - - - - - - 20
Twi - - - - - - - - - - - - - - - 30
Ewe - - - - - - - - - - - - - - - 25
Fante - - - - - - - - - - - - - - 10
1.) To prepare pie chart:
Total number of students :
(5 + 20 + 30 + 25 + 10) = 90 students
Nzema: (5/90) × 360 = 20
Ga : (20/90) × 360 = 79.99 = 80
Twi : (30/90) × 360 = 119.99 = 120
Ewe : (25/90) × 360 = 79.99 = 100
Fante : (10/90) × 360 = 39.99 = 40
Total = 360
Pie chart is attached in the picture below
2)Percentage students that speak Ewe = (25/90) * 100 = 27.78%
Or (100/360) * 100 = 27.78%
3.) Modal language : This is the language spoken by majority of the students = Twi
4.) Fraction of student that speak either GA or Fante :
(GA or Fante) = (20 + 10) / 90 = 30/90 = 1/3
The school play has two leading roles. The play's director decides to choose the leading actors by drawing two names from a hat that contains the names of four students who want the lead parts. You and your best friend both want to be leads. What is the probability that you will be selected first, and then your best friend will also be selected for a leading role? A. 1/4 B. 1/8 C. 1/12 D. 1/16
Answers
Answer:
1/12
Step-by-step explanation:
Answer:
The answer is: C. 1/12
Step-by-step explanation:
I know this is correct because I have the same question on my assignment and it was right.
74 divided by 3 times 7 equals what?
Answers
Answer:
518 / 3.
Step-by-step explanation:
(74 / 3) * 7 = (74 * 7) / 3 = 518 / 3 = 172 and 2/3 = 172.6666666667.
Hope this helps!
HELP PLEASE
Carmen received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.44 per pound. After buying the coffee, she had $37.80 left on her card. How many pounds of coffee did she buy?
Answers
Answer:
Carmen bought 5 pounds of coffee
Step-by-step explanation:
The cost of buying coffee is $8.44 per pound. Let us assume she bought x pound of coffee, this means that she spent $8.44x on coffee.
She went to the coffee store with $80 gift card and left with $37.80, this means that after spending $8.44x from the initial $80, she had $37.80. To find the number of pounds she bought, we are to use the following equation:
80 - 8.44x = 37.80
8.44x = 80 - 37.80
8.44x = 42.2
x = 42.2/ 8.44 = 5
x = 5 pounds.
Carmen bought 5 pounds of coffee
A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 40% of this population prefers the color red. If 14 buyers are randomly selected, what is the probability that exactly 2 buyers would prefer red
Answers
Answer:
The probability that exactly 2 buyers would prefer red car is 0.0317.
Step-by-step explanation:
Let the random variable X represent the number of buyers would prefer red car.
The probability of the random variable X is, p = 0.40.
A random sample of n = 14 buyers are selected.
The event of a buyer preferring a red car is independent of the other buyers.
The random variable X thus follows a Binomial distribution with parameters n = 14 and p = 0.40.
The probability mass function of X is:
[tex]P(X=x)={14\choose x}(0.40)^{x}(1-0.40)^{14-x};\ x=0,1,2,3...[/tex]
Compute the probability that exactly 2 buyers would prefer red car as follows:
[tex]P(X=2)={14\choose 2}(0.40)^{2}(1-0.40)^{14-2}[/tex]
[tex]=91\times 0.16\times 0.0021768\\=0.031694208\\\approx 0.0317[/tex]
Thus, the probability that exactly 2 buyers would prefer red car is 0.0317.
On a ski lift, the distance between chairs is inversely proportional to the number of chairs. At a
ski resort, one lift has 80 chairs spaced 16 meters apart. What is the constant of variation.
A.1280 B.5 C.1/5 D.1/1280
Answers
Constant of variation = number of chairs/ spacing.
80/16 = 5
The answer is B.5
Which statement about the function is true? The function is positive for all real values of x where x > –4. The function is negative for all real values of x where –6 –3. The function is negative for all real values of x where x < –2.
Answers
Answer:
Which statement about the function is true?
The function is positive for all real values of x where
x > –4. <<<CORRECT
The function is negative for all real values of x where
–6 < x < –2.
The function is positive for all real values of x where
x < –6 or x > –3.
The function is negative for all real values of x where
x < –2.
Step-by-step explanation:
November Edge 2021
Function f(x) is positive for the values x ≤ -6 and x ≥ -2 and negative in the interval -6 ≤ x ≤ -2.
What is parabola?A parabola is a plane curve that is mirror-symmetrical and roughly U-shaped in mathematics. It fits several seemingly disparate mathematical descriptions, all of which can be shown to define the same curves.
The graph of the function f(x) = (x + 2)(x + 6) is a downward facing parabola that intersects the x-axis at x = -6 and x = -2.
Therefore, we can conclude that the function is negative for all real values of x where x < -6 or x > -2 (outside the x-intercepts).
The function is positive for all real values of x where x lies between the x-intercepts, which means -6 < x < -2.
Therefore, the statement that is true is: "The function is negative for all real values of x where x < -6 or x > -2. The function is positive for all real values of x where -6 < x < -2."
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Your question seems incomplete, the probable complete question is:
Which statement about the function is true?
O The function is positive for all real values of x where
The function is negative for all real values of x where
-6exs-2.
O The function is positive for all real values of x where
X-6 orr-3
O The function is negative for all real values of x where
x<-2
Pls answer the 9th question...plsss fast
Answers
Answer:
i) x = 65° ii) x = 60° iii) x = 34°
y = 50° y = 80° y = 124°
Step-by-step explanation:
i) x = 180-115= 65°
y = 65+65= 130
= 180-130= 50°
ii) x = 90+30= 120
180-120= 60°
y = 60+20= 80
180-80 = 100
180-100= 80°
iii) y = 34+90= 124
x = 180-124= 56
56+90= 146
180-146= 34°
I hope this helped, mark me brainliest please :)
Find the product.
(3x2+6x-5)(-3x)
PLEASE HELP!!! ASAP!!!
Answers
Answer:
[tex]\boxed{-9x^3-18x^2 + 15x}[/tex]
Step-by-step explanation:
(3x²+6x-5)(-3x)
Apply distributive law.
-3x(3x²)-3x(6x)-3x(-5)
Simplify.
-9x³ - 18x² + 15x
Answer:
[tex] \boxed{\red{ - 9 {x}^{3} - 18 {x}^{2} + 15x}}[/tex]
Step-by-step explanation:
[tex] ( - 3x)(3 {x}^{2} + 6x - 5) \\ - 3x(3 {x}^{2} ) - 3x(6x) - 3x( - 5) \\ = - 9 {x}^{3} - 18 {x}^{2} + 15x[/tex]
Two circles are drawn below. The diameter of the smaller circle is a radius of the larger circle. What is the ratio of the smaller circle's circumference to the larger circle's circumference? Give your answer in fully simplified form. It should look like "x:y", where x and y are replaced by integers. [asy] size(4cm); pair o=(0,0); pair x=(0.9,-0.4); draw(Circle(o,sqrt(0.97))); draw(Circle((o+x)/2,sqrt(0.97)/2)); dot(o); dot(x); dot(-x); draw(-x--x); [/asy] Hint(s): Read the question carefully. Does it ask about a ratio of areas? Of radii? Of diameters? Of circumferences? Which question did you answer? Which was asked?
Answers
Answer:
1 : 2
Step-by-step explanation:
The ratio is ...
small dia : large dia = 1 : 2 = small circumference : large circumference
__
Further explanation
The diameter of the small circle is the radius of the large circle. Since the large circle's diameter is twice the length of its radius, the ratio of circle diameters is ...
small : large = 1 : 2
We multiply the diameter by π to get the circumference. Multiplying both these numbers by π will give the ratio of the circumferences. In order to reduce the ratio to lowest terms we must divide by π again:
dia ratio = circumference ratio = lowest terms ratio
1 : 2 = π : 2π = 1 : 2
Answer: 1:2
Step-by-step explanation:
ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions.
Answers
Answer:
Two complex roots
Step-by-step explanation:
A discriminant of a quadratic equation ax² + bx +c is:
D= √b²-4acFor the given function f(x)= 6x² - 5x + 3 the discriminant is:
D= √(-5)² - 4*6*3= √25- 72 = √-47= i√47Since it has i element, the roots are complex
Correct option is the first one
The length of a room is 9 metres. Its floor is tiled by using 96 square tiles of 0.75 m x 0.75 m each. What is the breadth of the room?
Answers
Answer:
The breadth of the room is 6 metres
Answer:
Step-by-step explanation:
Side of a tile= a = 0.75 m
Area of one square tile = a² = (0.75)² = 0.5625 m²
Area of 96 square tiles = 0.5625 * 96
Area of the room = area of 96 square tiles
length * breadth = 0.5625 * 96
9 * breadth = 0.5625 * 96
breadth = [tex]\frac{0.5625*96}{9}\\\\[/tex]
breadth = 6 m