Answers
Total gallons of water used in the park after the ride is installed
= 9.51 * 10^5 GALLONS.
What is exponent addition?Exponent addition is the process of multiplying a number by its exponents or powers, whether or not the base is the same. Exponents, which show how many times a number can be multiplied by itself, are also known as the power of numbers. As an illustration, 3^2 = 3*3, where 3 is the base and 2 the exponent.
How to add exponents?When the base and exponents are the same, exponents can be added. Sometimes the base and exponent will differ, but adding can still be done for certain formulas. Let's examine the procedures for adding exponents.
Step 1: Verify that the expression's terms all have the same base and exponents. 22 + 22, as an illustration. As can be seen, the exponent and base are both 2.
Step 2: Calculate the expression using individual terms if the base and exponent are different. for instance, 53 plus 42. Exponents and bases are different.
Step 3: Add the results together.
As per the question:water used in the park initially = 8.6*10^5 gallons
water used by the additional ride added = 9.1 *10^4 gallons
=0.91*10^5 gallons
Total gallons of water used in the park after the new ride is installed
= (8.6*10^5 + 0.91*10^5) gallons
= (8.6+0.91) *10^5 gallons
= 9.51* 10^5 gallons
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Related Questions
g(x)=26÷x-7 how do I find the domain
Answers
The domain of a function, are the values for which the function is defined on the x-axis,
Let the function:
[tex]\frac{26}{x\text{ - 7}}[/tex]denominator can't be
Complete the proof below that utilizes the Triangle Inequality Theorom.
Answers
1. Firstly, statement 1 is given in the question.
[tex]\bar{PL}\left|\right|\bar{MT}\text{ }\rightarrow\text{ 1. Given}[/tex]2. When two lines cut through two parallel lines, the alternate interior angles are congruent(equal)
So;
[tex]\measuredangle P\cong\measuredangle T\text{ }\rightarrow\text{ Alternate interior angles are equal}[/tex]3. Given
4. PK = KT
Since K is the mid point of PT as stated in the question, then PK will be of equal length as KT.
[tex]PK=KT\text{ }\rightarrow\text{ Since K is the midpoint of }\bar{PT}[/tex]5. Vertically opposite angles are equal.
So;
[tex]\measuredangle PKL=\measuredangle TKM\text{ }\rightarrow\text{ Vertical angles Theorem}[/tex]6. when two corresponding angles and the included side are respectively equal, a triangle is said to be congruent.
[tex]\Delta PKL\cong\Delta TKM\text{ }\rightarrow\text{ Congruent triangles (SAS- two sides and one including side are equal)}[/tex]7. The Triangle Inequality theorem states that the sum of two sides of a triangle is greater than the third side.
[tex]PK+KL>PL\text{ }\rightarrow\text{ Triangle Inequality Theorem}[/tex]8. CPCTC means that Corresponding Parts of Congruent Triangles are Congruent.
The corresponding sides of the two congruent triangles are;
[tex]\begin{gathered} \bar{KL}=\bar{KM} \\ \bar{PK}=\bar{KT} \\ \bar{PL}=\bar{MT} \end{gathered}[/tex]So;
[tex]\begin{gathered} \bar{KL}=\bar{KM}\text{ .} \\ \bar{PK}=\bar{KT}\text{ }\rightarrow\text{ CPCTC} \\ \bar{PL}=\bar{MT}\text{ .} \end{gathered}[/tex]9. The final one is a conbination of CPCTC and Triangle Inequality theorem
[tex]\bar{PK}+\bar{KM}>\bar{PL}\text{ }\rightarrow\text{ since }PK+KL>PL\text{ and }\bar{KL}=\bar{KM}[/tex]Matt has five times as many stickers as David. How many stickers must Matt give David so that they will each have 180 stickers?
Answers
Matt must give David 120 stickers
Explanation:Let the number of stickers that Matt has be m
Let the number of stickers that David has be d
If each of them ends up with 180 stickers each:
the total number of stickers available = 2(180)
the total number of stickers available = 360
Matt has 5 times has many stickers has David
m = 5d
Note that:
Matt's stickers + David's stickers = 360
m + d = 360
5d + d = 360
6d = 360
d = 360/6
d = 60
David has 60 stickers
m = 5d
m = 5(60)
m = 300
Matt has 300 stickers
The number of stickers Matt must give David so that they will each have 180 stickers = 300 - 180 = 120
Matt must give David 120 stickers so that they will each have 180 stickers
hola me puede ayudar
Answers
La expresión dada es
[tex](a+b)+(-c+e)^2[/tex]Primero, desarollamos el producto notable a la derecha
[tex](a+b)+(e-c)^2=(a+b)+e^2-2ec+c^2[/tex]Por tanto, la expresión final es
[tex]e^2+a+b-2ec+c^2[/tex]Usando los valores a = 2, b = -1, c = 3, d = 1, y e = 5, tenemos
[tex]\begin{gathered} 5^2+2-1-2\cdot5\cdot3+3^2 \\ 25+1-30+9 \\ 35-30=5 \end{gathered}[/tex]Por tanto, la respuesta es 5.
I need the answer for x
Answers
Answer:
x=-1
Step-by-step explanation:
make equation
-2x-3=x
-3=3x
-1=x
Answer:
x=-1
Step-by-step explanation:
-x+-x-1-1-1 = x
-2x-3=x
3x=-3
x=-1
Dina pours 16-ounce containers juice into a dispenser with a capacity of 960 ounces. The function y = 16x modeled this situation. What is the range of the function ?
Answers
The range of the function, y = 16x, is 60, where y is 960.
What is the range of a function?The range of the function, y = 16x, are the possible values that x can assume to meet the value of y.
Usually, the range of a function is the output value.
Since the value of y = 960, the range of the function will be 60 (960/16).
The capacity of the dispenser = 960 ounces
The capacity of the juice containers = 16 ounces
The function that models the situation is y = 16x
Where y = 960
x = 60 (960/16)
Thus, the implication is that the range of the function or the number of 16-ounce containers that can fill the dispenser with a capacity of 960 ounces is 60.
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A demand function for a certain product is given by the equation q = 1200 - 5p, where p is the price in
dollars, and q is the quantity demanded. Find a function to represent the revenue generated by producing
and selling q items. Use this function to determine the quantity that maximizes revenue. What price
should be charged in order to maximize revenue?
Answers
A function to represent the relation is f = q × p, the quantity that maximizes value could only be when q = p, therefore p = 200 so, q = 200 too according to demand function q = 1200 - 5p.
What is demand function?In mathematics, the relationship between demand and its factors is represented by a demand function. The function demonstrates how elements like a product's own price, buyer income, and the cost of related products affect demand for a given good (substitutes and complements).
We can deduce from the equation how they influence a product's demand, whether positively or negatively, and how much.
A function for generated revenue is simply f = q × p
where f is the generated revenue and
q is the quantity and
p is the price.
The quantity that maximizes value could only be when q = p
Lets substitute the value of q in q = 1200 - 5p,
q + 5p = 1200
But q = p so
p + 5p = 1200
6p = 1200
p = 1200/6
p = 200
So when price is 200 the revenue will be maximized as the quantity is equal to as price.
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Adults ate 3 1/2 pizzas and kids ate 7 1/8 pizzas. How many pizza eaten in total?
Answers
Answer:
10 5/8
Step-by-step explanation:
First, we want to convert the mixed fraction to an improper fraction.
3 1/2 = 7/2
7 1/8 = 57/8
Now, we have to find the Least Common Denominator (LCD).
The LCD is 8.
We multiply the top and bottom by 4 because the denominator is 2, which multiplied by 4 is 8.
7 x 4 = 28
_ _
2 x 4 = 8
Now we have 28/8.
We add.
28/8 + 57/8 = 85/8.
85/8 simplified is 10 5/8.
Answer = 10 5/8
Hope this helps!
Btw, if this is correct, can I have Brainliest?
Thanks!
Consider the function f(x) = 4 - 2x ^ 2 on the interval \ -6,6] Find the average or mean slope of the function on this interval , i.e. (f(6) - f(- 6))/(6 - (- 6)) =
Answers
f(x) = 4 -2x^2
First we need to find f(6)
f(6) = 4 - 2( 6) ^2 = 4 - 2(36) = 4 - 72 = -68
Then we need to find
f(-6) = 4 - 2( -6) ^2 = 4 -2( 36) = 4 - 72 = -68
Now we find the average or mean slope
The mean slope is zero
Now f'(c) must equal 0
The derivative is -4x and evaluated at c
-4c
This must be equal to 0
-4c =0
Solving for c
c=0
Walmart buys shoes from a factory in China for $8.50. Walmart then marks up the price of the shoes by 65% to sell to their customers. If the shoes aremarked up 65%, how much do they cost at Walmart? *
Answers
Answer
The shoes cost $14.03 at Walmart.
Explanation
The markup, the selling price and the cost price are all related through the relation
[tex]\text{Markup percent = }\frac{(Selling\text{ Price) - (Cost Price)}}{(Cost\text{ Price)}}\times100[/tex]For this question,
Markup percent = 65%
Selling Price = x = ?
Cost Price = $8.50
[tex]\begin{gathered} \text{Markup percent = }\frac{(Selling\text{ Price) - (Cost Price)}}{(Cost\text{ Price)}}\times100 \\ 65=\frac{x-8.5}{8.5}\times100 \\ \text{Divide both sides by 100} \\ 0.65=\frac{x-8.5}{8.5} \\ \text{Cross multiply} \end{gathered}[/tex]x - 8.5 = (0.65) (8.5)
x - 8.5 = 5.525
x = 8.5 + 5.525
x = $14.025
x = $14.03
Hope this Helps!!!
A square has a side of length 1.6 yards. What is the area of the square inches? Round to the nearest tenth
Answers
Given that the side of the square is 1.6 yards.
The area of the square is
[tex]A=a^2[/tex]Substitute a=1.6, we get
[tex]A=1.6^2=2.56yards^2[/tex]We need to convert yards to inches.
We know that
[tex]1\text{ yard =36 inches}[/tex]Taking square on both sides, we get
[tex]1^2yard^2=36^2inches^2[/tex][tex]1yard^2=1296inches^2[/tex]Multiplying by 2.56 on both sides, we get
[tex]1\times2.56yard^2=1296\times2.56inches^2[/tex][tex]2.56yards^2=3317.76inches^2[/tex]Rounding to the nearest tenth, we get
[tex]2.56yards^2=3317.8inches^2[/tex]Hence the area of the given square is 3317.8 square inches.
a jar contains 100 tickets for a drawing. Among those tickets are 7 winning tickets. what are the odds in favor of winning 7:937:10093:793:100
Answers
From the statement, we know that:
• a jar contains 100 tickets for a drawing,
,• among those tickets are 7 winning tickets.
We must find the odds in favour of winning.
The odds in favour of winning are:
Odds in favour = Number of successes : Number of failures
In this case, we have:
• Number of successes = 7,
,• Number of failures = 100 - 7 = 93.
So we have:
[tex]\text{ Odds in favour }=7:93.[/tex]Answer7:93
All changes saved 5. Harry is purchasing bananas at the grocery store. The table below shows how many he can purchase and the cost. What is Harry's total cost if he wishes to purchase 7 bananas? Note: The table represents a proportional relationship of bananas per dollar. Number of Bananas
Answers
Let's determine the cost of each banana based on the given data.
Number of Bananas Total Cost Price per Banana
4 $2.48 $0.62
8 $4.96 $0.62
12 $7.44 $0.62
lt appears that each banana cost $0.62.
Thus, buying 7 bananas, it'll cost:
7 x 0.62 = $4.34
The answer is letter C.
How many ways can twelve jurors be assigned seats in the courtroom?
Answers
The number of ways to arrange 12 jurors willbe given as,
[tex]\begin{gathered} n!=(n-1)(n-2)! \\ W\text{here n is the number of jurors } \\ n=12 \end{gathered}[/tex]Therefore,
For 12 jurors we will have the number of ways as
[tex]\begin{gathered} 12!=12\times11\times10\times9\times8\times7\times6\times5\times4\times3\times2\times1 \\ =479,001,600\text{ ways} \end{gathered}[/tex]Therefore,
12 jurors can be assigned seats in a courtroom in 479,001,600 ways
The number of tiles needed for a bathroom floor is proportional to the area of the bathroom floor. Five tiles cover an area of 90 square inches. The bathroom floor has a total area of 3,024 square inches. Let n be equal to the total number of tiles needed for the floor. Set up and solve a proportion to find the value of n.( Show your work)
Answers
Given:
5 tiels cover the area 90square inch.
bathroom floor area is 3024
[tex]\begin{gathered} 5\text{ tiles covers the area = 90} \\ 1\text{ tiles cover the area = }\frac{90}{5} \\ \text{ =18} \end{gathered}[/tex]1 tiles cover the area is 18 square inch.
Let n tiles cover 3,024 square inch then:
[tex]\begin{gathered} n\times18=3024 \\ n=\frac{3024}{18} \\ n=168 \end{gathered}[/tex]So 168 tiels required for cover the bathroom floor.
The tallest man living is Sultan Kosen from Turkey. He measures 2510 mm. How many meters tall is he?
Answers
Given:
The height of tallest man is 2510 mm.
Explanation:
The conversion unit for mm to meter is,
[tex]1\text{ mm=}\frac{1}{1000}\text{ meter}[/tex]Determine the height in meters.
[tex]\begin{gathered} 2510\text{ mm=2510 mm}\cdot\frac{1\text{ m}}{1000\text{ mm}} \\ =2.510\text{ m} \end{gathered}[/tex]So height of tallest man Sultan Kosen is 2.510 meters.
Answer: 2.510 meters
Determine whether the graph represents a function.
Answers
Simplify the expression.2.7 - 5.2n - 4n + 6= ? Help me solve this
Answers
To simplify the expression, we need to operate the like terms, then:
[tex]2.7-5.2n-4n+6[/tex][tex]2.7+6-5.2n-4n[/tex]Therefore:
[tex]8.7-9.2n[/tex]I would really appreciate if you helped me on all of these
Answers
33. For this problem you have to sole the following system of equations.
x+y=531
5.75x+1.25y=2013.75
After you solve the system of equations you get that
x=300, y=231
Therefore 300 full-price tickets were sold.
34. Since water is not acid, you have to solve the following equation
0*Water + 0.40*50 = 0.30*(Water+50)
After you solve the equation you get
Water = 16.67
So, you have to add 16.67 ML of water.
and that's the solution for 34.
35.
The next problem is very easy, notice that 12/6 = 2 and 4/6 = 0.666666=0.67 , therefore the scale factor would be 6. And that would be it.
Consider the system of equations.x + 2y = 8-3x – 2y = 12How do you solve the system of equations with Cramer's rule? Drag a value or determinant expression into each box to correctly solve the system using Cramer's rule.
Answers
The solution to the system of equations using Cramer's rule is given by the image at the end of the answer.
How to solve a system of equations using Cramer's rule?The solution of a system of equations using Cramer's rule is based on the use of determinants of matrices.
In the context of this problem, the system is:
x + 2y = 8.-3x - 2y = 12.The matrix for the system is:
M =
[1 2]
[-3 - 2]
The determinant of the matrix M of the system is given as follows:
|M| = -2 + 6 = 4.
(using the standard procedure to obtain the determinant of a 2 x 2 matrix).
To find the matrix for x, the x-coefficients are replaced by the right-side coefficients, that is, the results of the operations, hence:
Mx =
[8 2]
[12 - 2]
Then the determinant is:
|Mx| = 8(-2) - 2(12) = -16 - 24 = -40.
The solution for x is:
x = -40/4 = -10.
To find the matrix for y, the y-coefficients are replaced by the right-side coefficients, that is, the results of the operations, hence:
My =
[1 8]
[-3 12]
The determinant is:
|My| = 12 - (-3)(8) = 12 + 24 = 36.
Hence the solution is:
y = 36/4 = 9.
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Find the value of x in each case.
Answers
The variable x has a value of 22.5 degrees
What are angles?Angles are the measure of space when two or more lines intersect.
How to determine the value of x?The figure represents the given parameter
On the figure, we have the following angle measures
AED = 2x
BEF = 4x
EBC = 6x
Using the above as a guide, we have the following angle measures
BAE = AED = 2x ---- Corresponding angles
BEA = 180 - BEF ---- Angle on a straight line
BEA = 180 - 4x
ABE = 180 - EBC ---- Angle on a straight line
ABE = 180 - 6x
The sum of angles in a triangle is 180
So, we have
BAE + BEA + ABE = 180
This gives
2x + 180 - 4x + 180 - 6x = 180
Evaluate the like terms
-8x = -180
Divide both sides by -8
x = 22.5
Hence, the measure of x is 22.5
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Erica and Naomi are both pledging study hours as they prepare for theirAlgebra 1 EOC next week. Erica says that she is going to study fifteen minutesthe first night of this week and then double how much she studies every dayfor the next seven days. Naomi says she is going to study 3 hours the first daythis week and then is going to add on thirty minutes each day for the nextseven days.Part A: Write a recursive and explicit formula for each girl’s study pledge. Erica:Naomi:
Answers
we know that
Erica
The sequence in minute is
15,30,60,120,240,480,960
This is a geometric sequence
where
r=30/15=2 ----> common ratio
the recursive formula For n>1 is equal to
[tex]\begin{gathered} a_n=a_{(n-1)}*r \\ a_n=a_{(n-1)}*2 \end{gathered}[/tex]Find out the explicit formula
[tex]a_n=a_1*r^{(n-1)}[/tex]where
a1=15
r=2
[tex]a_n=15*2^{(n-1)}\text{ ----> explicit formula}[/tex]Naomi
we have the sequence in hours
3 3.5 4 4.5 5 5.5 6
This is an arithmetic sequence
where
d=3.5-3=0.5 ----> the common difference
the recursive formula For n> 1 is equal to
[tex]\begin{gathered} a_n=a_{(n-1)}+d \\ a_n=a_{(n-1)}+0.5 \end{gathered}[/tex]Find out the explicit formula
[tex]a_n=a_1+d(n-1)[/tex]where
a1=3
d=0.5
substitute
[tex]\begin{gathered} a_n=3+0.5(n-1) \\ a_n=3+0.5n-0.5 \\ a_n=0.5n+2.5\text{ ----> explicit formula} \end{gathered}[/tex]A teacher gives pens and pencils to elementary students at an equal rate.
Pencils Pens
21 63
33 A
45 135
B 153
Determine the missing value for the letter B.
Answers
The missing value for the letter B is 51.
Given,
A teacher gives pens and pencils to elementary students at an equal rate.
Pencil ; 21 33 45 B
Pen ; 63 A 135 153
We have to determine the missing value of B.
Here,
Ratio of pencil to pen for each student.
Student 1; Pencil/pen = 21/63Each student get pencil and pen in the same ratio as 1/3
Then,
Student 2 gets;33/A = 1/3
33 × 3 = A
A = 99
Ratio = 33/99 = 1/3
Student 3 gets;45/135 = 1/3
Student 4 gets;B/153 = 1/3
3B = 153
B = 153/3 = 51
Ratio = 51/153
That is,
The missing value for the letter B is 51.
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A bag of marbles contains 6 blue glass marbles, 5 yellow glass marbles, 12 blue stone marbles, and 3 yellow stone marbles. What is the probability of selecting a marble and having that marble be either a blue marble or a stone marble? Express your answer as a decimal rounded to four decimal places. Probability
Answers
The probability of selecting or having a marble to be either a blue marble or a stone marble is 0.8076.
Given, a bag contains 6 blue glass marbles, 5 yellow glass marbles,
12 blue stone marbles and 3 yellow stone marbles.
Probability of selecting a marble and having that marble to be either blue marble or a stone marble = ?
we know that,
Glass marbles:
n(B) = 6 and n(Y)= 5
Stone marbles:
n(B) = 12 and n(Y) = 3
Probability = Number of favorable outcomes/Total number of outcomes.
Probability of selecting a marble and having that marble to be either blue marble or a stone marble:
total number of blue marbles = 18
total number of stone marbles = 15
total number of marbles in the bag = 26
⇒ 18+15-12/26
⇒ 33-12/26
⇒ 21/26
= 0.8076
Hence the probability of selecting a marble and having that marble be either a blue marble or a stone marble is 0.8076.
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A die is rolled 200 times with the following results. Outcome 1 2 3 4 5 6 Frequency 32 36 44 20 30 38 What is the experimental probability of rolling the given result? a number more than 3
Answers
The experimental probability of rolling such that the number is more than 3 is 0.44.
The proportion of outcomes where a specific event occurs in all trials, not in a hypothetical sample space but in a real experiment, is known as the empirical probability, relative frequency, or experimental probability of an event.
When a dies is rolled 200 times, the results are:
Frequency Outcome
1 32
2 36
3 44
4 20
5 30
6 38
Therefore,
The experimental probability that a number is more than 3 after rolling will be:
= The sum of outcome above 3 / total outcome
= ( 20 + 30 + 38 ) / ( 32 + 36 + 44 + 20 + 30 + 38 )
= 88/ 200
= 0.44
Hence, the probability that the number is more than 3 is 0.44.
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Considering the function
H(x) = -x + 6
which statement is true?
A. The output value of the function is 4 when the input value is -2
B. The output value of the function is 7 when the input value is 1
C. The output value of the function is 6 when the input value is x
D. The output value of the function is 8 when the input value is -2
Answers
The statement which is true is Option(D) The output value of the function is 8 when the input value is -2.
What do mathematical functions mean?An expression, rule, or regulation that establishes a relationship between one variable (the independent variable) and another variable (the dependent variable) is referred to as a function in mathematics.
Given function:
H(x) = -x + 6
In Option A, the input value is -2 so the output of the function will be,
H(x) = -x + 6 = -(-2) +6 = 2+ 6 = 8 ,which is not equal to the given output value 4.
Hence, the statement is false.
Similarly in Option B and C, the input values are 1 and x.
H(x) = -x + 6 = -1 +6 = 5 ≠ 7
H(x) = -x + 6 ≠ 6
The given output values are not equal to the output values calculated.
So both statements are false.
In Option D the input value is -2 and the output value is 8 which is a correct statement as calculated in Option A.
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For the polynomial below, 2 is a zero.f(x) = x^3– 8x² + 18x – 124 –Express f (x) as a product of linear factors, F(x)=
Answers
The polynomial can be factorized in linear factors:
[tex]\begin{gathered} f(x)=x^3-8x^2+18x-12 \\ f(x)=(x-2)(\frac{x^3-8x^2+18x-12}{x-2}) \\ f(x)=(x-2)(x^2-6x+6) \end{gathered}[/tex]For (x^2) - 6x - 6 we use the general equation:
[tex]\begin{gathered} x^2-6x+6 \\ x_{1,2}=\frac{-(-6)\pm\sqrt[]{(-6)^2-4\mleft(6\mright)}}{2} \\ x_{1,2}=3\pm\frac{\sqrt[]{8}}{2}=3\pm\frac{\sqrt[]{2^3}}{2}=3\pm2^{\frac{3}{2}-1}=3\pm\sqrt[]{2}^{} \\ x_1=3+\sqrt[]{2} \\ x_2=3-\sqrt[]{2} \end{gathered}[/tex]Then, our factors are:
[tex]f(x)=(x-2)\cdot(x-(3+\sqrt[]{2}))\cdot(x-(3-\sqrt[]{2}))[/tex]x - 0.1x = 54solve for x
Answers
The equation to solve:
[tex]x-0.1x=54[/tex]We can subtract the like terms on the left hand side:
[tex]\begin{gathered} (1-0.1)x=54 \\ 0.9x=54 \end{gathered}[/tex]Now, we can divide both sides by 0.9 and solve for x. Shown below:
[tex]\begin{gathered} \frac{0.9x}{0.9}=\frac{54}{0.9} \\ x=60 \end{gathered}[/tex]The answer is
[tex]x=60[/tex]Answer: x = 60
Step-by-step explanation:
To solve for x, we will isolate the variable with simplifying and reverse operations.
Given:
x - 0.1x = 54
Subtract 0.1 from 1:
0.9x = 54
Divide both sides of the equation by 0.9:
x = 60
Jim's gas tank is 1/3 full. After he buys 9 gallons of gas it is 5/6 full. How many gallons can Jim's tank hold?
Answers
tank is 1/3 full
after he buys 9 gallons of gas it is 5/6
How many gallons can Jim's tank hold?
[tex]\frac{5}{6}-\frac{1}{3}=\frac{1}{2}[/tex]9 gallons = 1/2 tank
18 gallons is the capacity of the tank
three numbers have a sum of 180. the second number is 4 times the smallest number. the third number is 7 times the smallest number. what is the largest number?
Answers
12x=180
X=15
4x=60
7x=105
15+60+105=180
Answer:
105
Step-by-step explanation:
Let x, y and z be the 3 numbers in the order first, second and third
x + y + z = 180
Second number y is 3 times the smallest number and third number z is 7 times the smallest number. So smallest number has to be x
so y = 4x
z = 7x
x + y + z = x + 4x + 7x = 180
12x = 180
x = 15
Largest number = 7 x 15 = 105
