The roots of the polynomial equation are x = −1, 1/3, and 3.
Finding Roots of a polynomial equationA polynomial equation is a mathematical equation in which the polynomial is set to zero. The equation is made up of variables, non-negative integer exponents, coefficients, arithmetic operations, and an equal sign.
Finding the value(s) of 'x' that satisfy the polynomial equation p(x) = 0 is all that is required to solve the problem. A number "a" is a polynomial p(x) "zero" if and only when p(a) = 0.
Given that:
3x³- 7x² - 7x + 3 = 0
Factor the left side of the equation.
(x + 1) (3x − 1)(x − 3) = 0
If any individual factor on the left side of the equation is equal to 0, the entire expression will be equal to 0.
x + 1 = 0
3x − 1 = 0
x − 3 = 0
Set x + 1 equal to 0 and solve for x; x = - 1
Set 3 x − 1 equal to 0 and solve for x; x = 1/3
Set x − 3 equal to 0 and solve for x; x = 3
The final solution is all the values that make (x + 1)(3 x − 1)( x − 3) = 0 true is x = −1, 1/3, 3.
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Jim
3
8
Cans of food collected
Cooper
58
If the friends collected 80 cans in total, how many more cans were collected by Cooper than by Jim?
Answer: 20
Step-by-step explanation:
58-38=20
She has to be at the airport at least 100 minutes before the flight. By what time must she arrive at the airport?
She has to be at the airport at least 100 minutes before the flight. She must arrive at the airport at least two hours and 120 minutes before the flight.
Which ensures that she has time to check in, go through security and passport control, and board the flight. the amount f time a passenger needs to arrive before the flight can vary depending on the airline and airport. Generally, most airlines recommend that passengers arrive at the airport at least two hours before domestic flights and three hours before international flights.
In order it gives the passenger enough time to get to the airport depending on the location and traffic, check in and drop off any luggage, go through security and passport control, then at last board the flight
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Hi can someone please help this is due tonight.
a. It is not specified in the given information what the total number of seniors at Lewis High is, so it is not possible to directly compare the number of seniors who apply for college to the number of seniors at Lewis High.
How to explain the informationb. The same issue applies to this question as well. It is not specified what the total number of seniors at Lewis High is, so it is not possible to directly compare the number of seniors who apply for college with those who don't.
c. If two out of every three seniors at Lewis High apply for college, then one out of every three seniors does not. Therefore, the fraction of graduating seniors at Lewis High who do not apply to college is 1/3.
d. If three out of every five seniors at Lewis High who apply for college are female students, then two out of every five are male students. Therefore, the fraction of seniors who are males who apply for college is 2/5. Again, without knowing the total number of graduating seniors at Lewis High, it is not possible to directly compare the number of males who apply for college with the number of graduating seniors.
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Two of every 3 seniors at Lewis High apply for college. Three of every 5 seniors at Lewis High who apply for college are female students.yout
a. How does the number of seniors who apply for college compare to the number of seniors at Lewis High?
b. How does the number of seniors who apply for college compare to those who don't?
c. What fraction of the graduating seniors at Lewis High do not apply to college?
d. What fraction of the seniors are males who apply for college? How does the number of males who apply for college compare with the number of graduating seniors?
URGENT
Translate into an equation. (Use x to represent the smaller number. Translate the second sentence to write your equation.)
The sum of two numbers is fourteen. The total of three times the smaller and twice the larger is thirty-one.
Answer:
small number=3 while Big number is, 13
Step-by-step explanation:
X+y=14
3x+2y=31
3(x+y=14)
3x+3y=42 + 3x+2y=31
X=3,y=11
Need help with geometry please help
Answer:31.42 sq.
Step-by-step explanation:
A=2πrh+2πr2The degree of the term with the greatest degree is called?
The degree of the term with the greatest degree is called the degree of the polynomial.
Here, it is necessary to remember that, by the definition, we can find the "Degree of a polynomial" by identifying the greatest degree of its terms.
The "Leading term" of a polynomial is defined mostly as the term with the highest power of the variable of the polynomial.
The numbers located in front to the variable (those numbers that multiply the variable) are called "Coefficients". The coefficient of the Leading term is known as the "Leading coefficient."
For example, given the following polynomial:
18x² + 2x - 6
You can identify that, in this case:
degree of the polynomial: 2
leading term: 18x²
leading coefficient: 18
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−3 + 5 + 6g = 11 − 3g
TYSM YALL
[tex] \: [/tex]
[tex]\frak{2 + 6g = 11 - 3g} [/tex][tex] \: [/tex]
[tex] \frak{6g + 3g = 11 - 2} [/tex][tex] \: [/tex]
[tex] \frak{9g = 9} [/tex][tex] \: [/tex]
[tex]\frak{ \: g = \frac{9}{9} } [/tex][tex] \: [/tex]
[tex] \frak{ \: g = \cancel\frac{9}{9} } [/tex][tex] \: [/tex]
[tex] \underline{ \boxed{\bold{ \red{\frak{g = 1}}}}}[/tex][tex] \: [/tex]
hope it helps!:)
What is the area of this compound figure?
Answer:
98 km
Step-by-step explanation:
To find the area of the figure;
Total Area = Area A + Area B + Area C
Area A = 14 * 2 = 28 km2
Area B = 11 * 2 = 22 km2
Area C = 12 * 4 = 48 km2
Total Area = 98 km2
The brass section of a middle school jazz band has 4 trumpets and 3 trombones.
What is the ratio of trombones to all the brass section members?
A. 7/3, 7:3, or 7 to 3
B. 4/7, 4:7, or 4 to 7
C. 4/3, 4:3, or 4 to 3
D. 3/7 , 3:7, or 3 to 7
Answer:
D. 3/7, 3:7, or 3 to 7
Step-by-step explanation:
CAN I PLEASE HAVE SOME HELP???? I AM TIMMED!!!
Question
A net of a triangular prism is shown below.
What is the surface area, in square meters, of the triangular prism?
can someone please help me(10 points will give brainliest!!!)
The value of the function f(a + 1) - f(a) is 2a - 2
What is a functionfunction, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
In the given problem;
f(x) = x² - 3x
f(a + 1) - f(a) = ?
f(a + 1) = a² - a - 2
f(a) = a² - 3a
f(a + 1) - f(a) = a² - a - 2 -(a² - 3a)
f(a + 1) - f(a) = 2a - 2
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brad was hang gliding at a constant velocity. he moved 395 meters Southeast in 31.6 seconds. what was his velocity
Answer: To calculate Brad's velocity, we can use the formula:
velocity = distance / time
where:
distance = 395 meters (the distance traveled)
time = 31.6 seconds (the time it took to travel that distance)
Plugging in the values into the formula, we get:
velocity = 395 meters / 31.6 seconds
velocity = 12.5 meters per second
So Brad's velocity was 12.5 meters per second in a southeast direction.
Step-by-step explanation:
The science club and the math club each bought plain pizzas for their end of the year
parties from the same pizza parlor.
The science club paid $79.00 for 5 large pizzas and 2 medium pizzas.
The math club paid $86.00 for 4 large pizzas and 4 medium pizzas.
What is the price, in dollars, of a medium pizza? Enter your answer as $0.00
The price of medium pizza paid by both the science and maths clubs found using linear equations is $9.50.
What is meant by equation?
A formula known as an equation uses the equals sign (=) to express how two expressions are equal.
Given,
Cost of 5 large pizzas and 2 medium pizzas paid by the science club = $79.00
Cost of 4 large pizzas and 4 medium pizzas paid by the math club = $86.00
Let the cost of medium pizza = x
Cost of large pizza = y
Now using the above equation we can write two linear equations.
2x + 5y = 79
4x + 4y = 86
Solving the above system of linear equations.
We are making the coefficient of the x variable the same.
Multiplying the first equation by 2.
4x + 10y = 158
4x + 4y = 86
Subtracting the equations.
6y = 72
y = 12
Now substituting in any one equation, we get the value of x.
2x + 5 * 12 = 79
2x = 19
x = 9.5
Therefore the price of medium pizza found using linear equations is $9.50.
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Alice is willing to spend $30 on a pair of jeans, and has a coupon for $10 off she found online. She selects and purchases a $35 pair of jeans, pre-discount. Jeff finds some steaks for $16 for which he would have been willing to pay $20. The butcher notices the meat is near the expiration Jeffs surplus: date and gives him an extra 75% off.
Alice paid $25 for her pair of jeans, and Jeff paid $4 for the steaks.
Let's calculate the final amount paid by Alice and Jeff for their purchases.
Alice:
Alice has a budget of $30 for a pair of jeans, and a coupon for $10 off.The price of the jeans she selects is $35 before the coupon.To find the final price she paid, we need to subtract the coupon discount from the original price of the jeans: $35 - $10 = $25.So Alice paid $25 for her pair of jeans.Jeff:
Jeff finds a pack of steaks for $16 and is willing to pay up to $20.This means he has a surplus of $20 - $16 = $4 that he is willing to spend on the steaks.The butcher notices the meat is near the expiration date and gives Jeff an extra 75% off.To calculate the discount, we first need to find 75% of the original price: 0.75 * $16 = $12.So Jeff gets a discount of $12, and the final price he paid is the original price minus the discount: $16 - $12 = $4.Therefore, Jeff paid $4 for the steaks.So, Alice paid $25 for her pair of jeans, and Jeff paid $4 for the steaks.
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a heavy rope, 90 ft long and weighing 72 lbs, hangs over the edge of a building 100 ft high. how much work w is done in pulling the rope up 10 ft?
The work done in pulling the rope up 10 ft is 864 ft-lbs, calculated by multiplying the rope's weight (72 lbs) by the distance (10 ft) it was lifted.
Work done = Weight x Distance
Work done = 72 lbs x 10 ft
Work done = 720 ft-lbs
Additional work done for weight of rope = Weight of rope x Distance
Additional work done for weight of rope = 90 x 10
Additional work done for weight of rope = 900 ft-lbs
Total work done in pulling the rope up 10 ft = 720 ft-lbs + 900 ft-lbs
Total work done in pulling the rope up 10 ft = 864 ft-lbs
The work done in pulling the rope up 10 ft is calculated by multiplying the weight of the rope (72 lbs) by the distance (10 ft) it was lifted. This gives us a result of 720 ft-lbs. However, since the rope is 90 ft long, we must also take into account the additional weight of the rope beyond the 10 ft that was lifted. So, we multiply the weight of the rope (90 lbs) by the distance (10 ft) to get an additional work done of 900 ft-lbs. Adding the two results together gives us 864 ft-lbs of work done in pulling the rope up 10 ft. This shows that the heavier a rope is, the more work must be done to lift it.
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Which model shows two equal expression when the value of x 2
The model that represents the two equal expression for the value x is 2 is given by :
option C. x 1 1 = 1 1 1 1
The correct model which represents the expression for the value x as 2 is given by :
A. x x x x = 1 1 1 1
On the left hand side substitute the value of x = 2 we get,
Left hand side
= 2 2 2 2
It is not equal to 1 1 1 1
Incorrect option.
B. x x x x = 1
On the left hand side substitute the value of x = 2 we get,
2 2 2 2
which is not equal to 1
Incorrect option.
C. x 1 1 = 1 1 1 1
On the left hand side substitute the value of x = 2 we get,
2 1 1
= 1 1 1 1
= Right hand side.
Correct option.
D. x x
On the left hand side substitute the value of x = 2 we get,
= 2 2
which is not equal to right hand side
Incorrect option.
Therefore, the correct model which represents the expression for the value of x = 2 is equal to option C. x 1 1 = 1 1 1 1 .
The above question is incomplete , the complete question is:
Which model shows two equal expression when the value of x is 2 ?
Attached model.
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Simplify √, where a20.
Which expression is equivalent to √√a²?
O
O
O
DONE
a².aº
aª.a
a³ a
a a
The expression √a²√a² when simplified is (d) a * a
How to simplify the expressionFrom the question, we have the following parameters that can be used in our computation:
√a²√a²
Express as product expression
So, we have the following representation
√a²√a² = √a² *√a²
Evaluate the exponents
This gives
√a²√a² = a * a
Hence, the expression is (d) a * a
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Complete question
Simplify √a²√a²
Which expression is equivalent to √a²√a²
a².aº
aª.a
a³ a
a a
If the rate 1/2 ounce for 2 cups how much is it for 12 cups
PLEASE GIVE BRAINLIEST
thank you and have a good day :)
Answer:
3 ounces per 12 cups
Step-by-step explanation:
you multiply the left side by 6 on both numerator and denominator
1/2 per 2 = X per 12
1/2 * 6 = 6/2 or 3
2 * 6 = 12
3 per 12 = x per 12
the rate is 3 ounces per 12 cups
i hope this helps
Suppose that the functions and are defined for all real numbers x as follows.
s(x) = 4x
t(x) = 3x + 3
Write the expressions for
(t*s)(x)
(t - s)(x)
and evaluate (t + s)(- 2)
Answer:
-5
Step-by-step explanation:
The expression for the composition of functions t and s, (t*s)(x), is obtained by substituting the output of s(x) into t(x). So,
(t*s)(x) = t(s(x)) = t(4x) = 3(4x) + 3 = 12x + 3.
The expression for the difference of functions t and s, (t - s)(x), is obtained by subtracting the output of s(x) from t(x). So,
(t - s)(x) = t(x) - s(x) = (3x + 3) - (4x) = -x + 3.
To evaluate (t + s)(-2), we need to add the outputs of t(-2) and s(-2).
t(-2) = 3(-2) + 3 = 3
s(-2) = 4(-2) = -8
So, (t + s)(-2) = t(-2) + s(-2) = 3 + (-8) = -5.
what is the rate constant at 42.4 ∘c based on the data collected for trial e?
The rate constant at 42.4 based on trial E is Value[k = 2.68 X 10^-3] and Units[M-1 s-1]
The rate constant at 42.4 0C is [acetone] initial = 0.2 M, [H+] initial = 0.01 M, so rate= k [acetone] [H+] 5.37 X 10^-6 = k X 0.2 X 0.01, k = 2.68 X 10^-3 , and the order of the reaction is two therefore the unit of the speed constant is M-1 s-1. reaction rate constants and rate laws is a fundamental concept in chemical kinetics, which is the study of the rates and mechanisms of chemical reactions. Reaction rate constants are specific to a particular reaction and are influenced by several factors, including temperature, concentration of reactants and products, the presence of a catalyst, and the activation energy of the reaction. The rate constant is related to the activation energy through the Arrhenius equation, which is given by k = A * exp(-Ea/RT), where k is the rate constant, A is the pre-exponential factor, Ea is the activation energy, R is the gas constant, and T is the absolute temperature. The rate law of a chemical reaction describes the mathematical relationship between the rate of the reaction and the concentrations of the reactants. It is determined experimentally by measuring the initial rate of the reaction under different concentrations of the reactants. The rate law is typically expressed as Rate = k[A]^m[B]^n, where k is the rate constant, A and B are the concentrations of reactants, and m and n are the orders of the reaction with respect to A and B, respectively.
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En las elecciones del consejo estudiantil el 39% de los 80 votantes eligió a Petra ¿Cuántos votos óptico Petra ?
31 people chose Petra as leader in the student council elections.
What is percentage?Percentage is used to represent a fraction of 100.
Percent is represented by the sign "%".
Mathematically, we can write the percentage as -
A% of B
(A/100) x B
AB/100
Given is that in the student council elections, 39% of the 80 voters chose Petra.
We can find the total number people who chose Petra as leader as -
{x} = 39% of 80
{x} = (39/100) x 80
{x} = 31.2
{x} = 31
Therefore, 31 people chose Petra as leader in the student council elections.
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{Question in English -
In the student council elections, 39% of the 80 voters chose Petra. How many optical votes Petra?}
Start with the equation −5=x. Do the same thing to each side at least three times to create an equation that has the same solution as the starting equation.
10.ja box contains 24 light bulbs, of which two are de- feefive. if a person selects 10 bulbs at random, without replacement, what is the probability that both defective bulbs will be selected?
Hence, the probability that both defective bulbs will be selected is 0.1630
We are given that a box containing 24 light bulbs. 2 light bulbs are defective.
Now if a person selects 10 bulbs at random, without replacement.
We are required to find the probability that both defective bulbs will be selected.
Since there are two defectives, therefore two defective can be chosen in(2,2) ways.
Also since 10 bulbs are selected, the remaining 8 bulbs can be selected in (22,8)
Also, the total number of ways 10 bulbs can be selected is:
[tex]^{22}C_8\\[/tex]
Therefore, the probability that both defective bulbs will be selected is:
[tex]=\frac{(^2c_2)(^{22}C_2)}{^{24}C_10}\\\\=1.630.[/tex]
rounded to 4 decimal places
Hence, the probability that both defective bulbs will be selected is 0.1630
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One year, the population of a city was 322,000. Several years later it was 273,700. Find the percent decrease.
The population of the city has decreased by 15%.
Percentage refers to a way of expressing a number as a fraction of 100, and is often represented by the symbol (%).
To find the percent decrease, we need to determine the difference between the original population and the new population. We can do this by subtracting the new population from the original population:
322,000 - 273,700 = 48,300
This means that the population has decreased by 48,300. To find the percentage decrease, we need to express this as a percentage of the original population. We can do this by dividing the decrease by the original population and then multiplying by 100:
(48,300 / 322,000) x 100 = 15%
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hized, accurate, and has a circled answer.
Problem #6 Kiran walks up to a tank of water that can hold up to 15 gallons. When it is active, a drain
empties water from the tank at a constant rate. When Kiran first sees the tank, it contains 12 gallons
of water. Four minutes later, the tank contains 10 gallons of water.
a.
b.
C.
At what rate is the amount of water in the tank changing? Use a signed number (positive or
negative) in your answer.
How many more minutes will it take for the tank to drain completely?
How many minutes before Kiran arrived was the water tank completely full?
(a) The rate at which the amount of water is changing is -1/2.
(b) It will take 20 more minutes to drain the water completely.
(c) The tank was completely full 3 minutes before Kiran arrive.
What is Unit Rate?Unit rate is the amount of one quantity for a unit amount of the other quantity.
(a) Given that,
When Kiran first sees the tank, it contains 12 gallons of water. Four minutes later, the tank contains 10 gallons of water.
Rate at which the amount of water is changing = (10 - 12) / 4 = -2/4 = -1/2 gallons per minute.
(b) Time taken to drain 1/2 gallon = 1 minute
There are 10 gallons of water remaining in the tank.
Time taken to drain 10 gallons of water = (1 ÷ 1/2) × 10 = 20 minutes
It will take 20 more minutes to drain the water completely.
(c) When Kiran arrived, water tank has 12 gallons of water.
Total amount of water in the tank is 15 gallons.
Tank has lost 3 gallons of water before Kiran arrived.
Time taken to drain 3 gallons = (1 ÷ 1/2) × 3 = 6 minutes
So the tank was completely full 3 minutes before Kiran arrive.
Hence the rate is -1/2 gallons per minute.
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an urn contains 3 red marbles, 4 green marbles, and 5 black marbles. three marbles are drawn at random. find the probability of getting exactly one red marble or exactly one green marble and not both at the same time.
The answer is that there is no probability for this event to happen. To find the probability of getting exactly one red marble or exactly one green marble and not both at the same time, we can use the following steps:
Step 1: Find the number of ways to draw 3 marbles out of 12.
This can be found using the combination formula, which gives:
C(12,3) = 12! / (3! * 9!) = 220
Therefore, there are 220 ways to draw 3 marbles out of 12.
Step 2: Find the number of ways to draw exactly one red marble and two non-red marbles.
There are 3 red marbles, and we need to choose one, so there are C(3,1) = 3 ways to do this. There are 9 non-red marbles, and we need to choose two of them, so there are C(9,2) = 36 ways to do this. Therefore, 3 * 36 = 108 ways to draw exactly one red marble and two non-red marbles.
Step 3: Find the number of ways to draw exactly one green marble and two non-green marbles.
There are 4 green marbles, and we need to choose one, so there are C(4,1) = 4 ways to do this. There are 8 non-green marbles, and we need to choose two of them, so there are C(8,2) = 28 ways to do this. Therefore, there are 4 * 28 = 112 ways to draw exactly one green marble and two non-green marbles.
Step 4: Find the number of ways to draw exactly one red marble and one green marble. There are 3 red marbles and 4 green marbles, and we need to choose one of each, so there are 3 * 4 = 12 ways to do this.
Step 5: Add the results from steps 2, 3, and 4 to get the number of ways to draw marbles that satisfy the given condition.
Total number of ways = 108 + 112 + 12 = 232
Step 6: Find the probability of getting exactly one red marble or one green marble but not both at the same time.
The probability of an event is the number of ways that event can happen divided by the total number of possible outcomes. Therefore, the probability of getting exactly one red marble or exactly one green marble and not both at the same time is:
P = (number of ways to draw marbles that satisfy the given condition) / (total number of ways to draw 3 marbles out of 12 marbles)
P = 232 / 220
P = 1.0545
However, probabilities cannot be greater than 1. Therefore, the answer is that there is no probability for this event to happen.
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What is the approximate distance between point W (3, 6) and point Z (8, -2)?
Answer:
hope this helps!!! That’s the answer!
Step-by-step explanation:
Answer:
9.43 units.
Step-by-step explanation:
To find the distance between two points in a 2D plane, you can use the Pythagorean theorem. The formula for finding the distance between two points (x1, y1) and (x2, y2) is:
d = √((x2 - x1)^2 + (y2 - y1)^2)
Plugging in the values for W and Z:
d = √((8 - 3)^2 + (-2 - 6)^2)
d = √(5^2 + (-8)^2)
d = √(25 + 64)
d = √89
The distance between the points W and Z is approximately 9.43 units.
Need some help I need to finish this last problem
Answer:
NO
Step-by-step explanation:
no she cannot. you do not need to do any math for this, none of these measurements are equal to or greater than 6 feet, and i dont think lily's gonna snap her fishing pole in half 6>4, 4=the longest thing about this box, aka the length
Answer: No, she can not store the fishing pole in the box.
No, Lily can not store the fishing pole into the box. The pole is 6 feet long, while the box is 4 feet long. Even if you tried to insert the pole into the box vertically it would not fit. Therefore, no Lily cannot fit the box.
I hope this helped & Good Luck <3 !!!
An item is regularly priced at $33. Ashley bought it at a discount of 15% off the regular price.
The amount that was paid by Ashley is $ 28.05.
Calculating discount:To find the discount on a given price, multiply the discount that is given by the original price and divide the result by 100.
To find the amount that can be paid by the consumer, subtract the resultant discount from the original price.
Final price of item = Original price - Discount
Here we have
An item is regularly priced at $33.
The discount that Ashley bought it = 15% off the regular price.
The amount that Ashely paid for it = $ 33 - 15% of $ 33
=> $ 33 - $ (15/100 × 33)
=> $ 33 - $ (0.15 × 33)
=> $ 33 - $ 4.95
=> $ 28.05
Therefore,
The amount that was paid by Ashley is $ 28.05.
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Greta has two pet lizards, Draco and Lizzy. For every 11 crickets Greta feeds Draco, she always feeds Lizzy 8 crickets. Last week, Greta fed Draco 77 crickets.
The number of crickets Great fed last week to Lizzy is 56.
What are proportions?Proportion, in general, is referred to as a part, share, or number considered in comparative relation to a whole. Proportion definition says that when two ratios are equivalent, they are in proportion. It is an equation or statement used to depict that two ratios or fractions are equal.
Given that, For every 11 crickets Greta feeds Draco, she always feeds Lizzy 8 crickets.
Last week, Greta fed Draco 77 crickets.
Let the number of crickets Great fed last week be x.
Now, 11:8::77:x
11x=77×8
x=7×8
x=56
Therefore, the number of crickets Great fed last week to Lizzy is 56.
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"Your question is incomplete, probably the complete question/missing part is:"
Greta has two pet lizards, Draco and Lizzy. For every 11 crickets Greta feeds Draco, she always feeds Lizzy 8 crickets. Last week, Greta fed Draco 77 crickets. How many crickets did Greta feed Lizzy?
