how many Robin eggs, laid end to end, would be about equal in length to two raven eggs? justify your answer.​

Answers

Answer 1

Answer:

Step-by-step explanation:

The average length of two raven eggs is about 0.1 m.

Since the average length of a robin egg is about 0.02 m, 5 eggs laid end to end would measure about 0.1 m.


Related Questions

Add the proper constant to the binomial so that the resulting trinomial is a perfect square. Then factor the trinomial.
n-18n+

Answers

We need to add 81 as the constant term to the binomial (n² - 18n) so that the resulting trinomial is a perfect square, and factorization of that resulting trinomial will be (n - 9).

As per the question statement, we are provided with a binomial (n² - 18n),

And we are required to add a proper constant to the above mentioned binomial so that the resulting trinomial is a perfect square, and then factorise the resulting trinomial.

To answer question, first we need to know the standard form of expanding a perfect square into a trinomial, which goes as,

[(a - b)² = {(a)² + (b)² - (2 * a * b)]

Here, if we compare our concerned binomial (n² - 18n), or, [(n)² - (2 * n * 9)], with the above mentioned standard expansion of a perfect square into a trinomial, we get, (a = n) and (b = 9), and the (b²) term is missing.

Adding [(b²) = (9²) = 81] which is a constant term, to our concerned binomial (n² - 18n), we get, (n² - 18n + 81),

Or, [(n)² + (9)² + (2 * n * 9)],

Which is a trinomial and matches with the standard expansion of a perfect square into a trinomial, and hence,

[(n² - 18n + 81) = (n - 9)²]

That is, we need to add 81 as the constant term to the binomial (n² - 18n) so that the resulting trinomial is a perfect square, and factorization of that resulting trinomial will be (n - 9).

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Pls. Help. Lots of points plus Brainliest!

What is 12*12/2+13?

Answers

85

Step-by-step explanation:

[tex]\sf 12 \times \cfrac{12}{2} + 13[/tex]

First, let's divide 12 by 2:-

[tex]\sf 12 \times 6 + 13[/tex]

Multiply 12 × 6 :-

[tex]\sf 72 + 13[/tex]

Add 72 + 13:-

[tex]\sf 85[/tex]

Therefore, your answer is 85!!

____________________

Hope this helps!

Have a great day!!

Answer = 85
12*12=144
144/2=72
72+13=85
(Using BIDMAS)

The mass of 1cm³. of copper is 8.5 grams. Correct to 1.d.p. Complete statement about total mass, T, grams of 12cm³. of copper.

Answers

There are 102 grams of copper in 12 cm³ of copper.

What are unit rate?

A unit rate means a rate for one of something.

Given that 1 cm³ of copper have mass of 8.5 grams

Therefore, 12 cm³ = 12*8.5 = 102 grams

Hence, There are 102 grams of copper in 12 cm³ of copper.

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Please help thank u! I would appreciate it ASAP

Answers

Answer:

Step-by-step explanation:

can’t be determined

Decide if each question is statistical or nonstatistical.

How many hours did Rahul sleep last night?


What is your favorite sport?


What is Noya’s favorite book?


How far away do you live from your school?

Answers

Based on the information illustrated, the analysis implies the following:

a. nonstatistical.

b. statistical.

c. nonstatistical

d. statistical

What is a statistical question?

A statistical question is one that can be answered by collecting varying amounts of data. A statistical question is one that does not have a single answer. Instead, you should expect a range of responses.

Identifying a statistical question necessitates knowledge of statistics. Statistics is a mathematical study that involves the collection, analysis, and interpretation of changing data. A statistical question will ask a question with a variable answer; data must be collected and analyzed, and the answer will provide an explanation of the information.

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nonstatistical.

statistical.

nonstatistical

statistical

How did we figure out this?

statistical or nonstatistical  What's the difference? is that statistical is of or pertaining to statistics while nonstatistical is not statistical.

Statistical sampling is more objective and uses probability to determine the appropriate sample size. While it is does not eliminate sampling risk, statistical sampling allows the auditor to measure sampling risk and take steps to control it. Nonstatistical sampling relies more on the auditor's judgment.

Thus, the correct answer is nonstatistical statistical nonstatistical statistical

A movie store had four hundred ninety-five movies they were putting on six shelves. If the owner wanted to make sure each shelf

had the same number of movies how many more movies would he need?

Answers

He may keep 82 movies on each shelf, using up to 492 movies and leaving 3 movies to retain.

What is arithmetic operation?

Arithmetic operations is a field of mathematics that studies numbers and the operations on numbers that are helpful in all other disciplines of mathematics. It consists mostly of operations like addition, subtraction, multiplication, and division. Arithmetic Operator is used to conduct mathematical operations on the supplied operands such as addition, subtraction, multiplication, division, modulus, and so on. Arithmetic operators carry out operations on numbers. Variables are assigned values using assignment operators. Logical operators compare two values and return either "true" or "false" depending on whether the comparison is true (or false).

Here,

Movies that movie store has=495 movies

Number of shelves=6

If the owner wanted to make sure each shelf had the same number of movies,

=495/6

=82.5

He can keep 82 movies in each shelf that will use up to 492 movies and 3 movies will be left to keep.

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parameters are group of answer choices numerical characteristics of a sample. numerical characteristics of a population. the averages taken from a sample. numerical characteristics of either a sample or a population.

Answers

The correct answer is Option B. Parameters are defined as a group of numerical characteristics of a population.

Parameters are generally the numbers or values that represent the whole population's numerical characteristics. There is a difference between Statistics and Parameters.

Statistics is generally defined as the numerical characteristics of a sample. For example, a sample of standard mean or a sample of standard deviation is an example of statistics.

Parameters are the numerical representation of the characteristics of a population. For example, Population mean or Population standard deviation are examples of Parameters. These represent the data or the characteristics of the population in numerical.

Hence, the correct answer is Option B.

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The correct answer is Parameters are described as a group of numerical characteristics of a population.

In general, Parameters are the numerical values that represent the entire population's numerical characteristics. There is a variation between Statistics and Parameters. Statistics are defined as the numerical characteristics of a sample. A sample of standard mean deviation or a sample of standard deviation are examples of statistics.

               Parameters are the numerical portrayal of the characteristics of a population.  Population mean deviation or Population standard deviation are examples of Parameters. These depict the information or the characteristics of the population in a numerical way.

Hence, the correct answer is Parameters are described as a group of numerical characteristics of a population.

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Use the information given to enter an equation in standard form.
Slope is 6, and (1, 8) is on the line.

Answers

Answer:

y=6x+2

Step-by-step explanation:

y=mx+c

8=6(1)+c

8=6+c

c=2

y=6x+2

the rabbit population in a certain area is 200%of last years population. There are 700 rabbits this year how many were there last year

Answers

Answer:

the answer is 350

Step-by-step explanation:

if it increased by 200% that means it doubled

so when x is doubled we get 700

so: 2x=700

       x=700/2

       x=350

Given p=q=0
, what is the equation of the line that passes through the points (–p, –q) and (p, q)?
y = –x
y = q
y = 2x + (2p – q)

Answers

Equation of the line which passes through the given points (-p ,-q) and

(p, q) where p ≠ q ≠ 0 is given by y = (q/p)x.

As given in the question,

Given condition is :

p ≠ q ≠ 0

Equation of the line which passes through the given points (-p ,-q) and

(p, q) is given by:

(x₁ , y₁) = (-p ,-q)

(x₂ , y₂) = (p, q)

(y -y₁)/ (x -x₁) = (y₂ -y₁)/ (x₂ -x₁)

⇒(y +q)/(x+ p) = (q +q)/(p +p)

⇒(y +q)/ (x +p) = 2q /2p

⇒p(y+ q) =q( x +p)

⇒yp + pq = qx +pq

⇒yp = xq

⇒y = (q /p)x

Therefore, equation of the line which passes through the given points (-p ,-q) and (p, q) where p ≠ q ≠ 0 is given by y = (q/p)x.

The complete question is :

Given p ≠ q ≠ 0, what is the equation of the line that passes through the points (–p, –q) and (p, q)?

A. y = –x

B. y = q/px

C. y = q

D. y = 2x + (2p – q)

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Answer:

b

Step-by-step explanation:

just did it

using the formula for calculating the number of communication channels, how many channels would five people require?

Answers

The number of communication channels, 10 channels would five people require.

To find number of communication channels, we use;

On the other hand, it might be a sign of the scope and intensity of the project communication management needed in huge projects and so-called megaprojects. This could, for example, entail allocating specific resources to project communication responsibilities in accordance to the number of available channels for communication. These factors may be especially important for teams working on sensitive projects and projects where information flow may be unclear or even fraudulent.

Number of potential communication channels = n x (n-1)/2

Given n = 5;

→ x = 5*(5 - 1)/2

     = 5*2

     = 10

The number of communication channels, 10 channels would five people require.

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9x + 7y = 3
x - 7y=-8

Answers

Answer:

The point at which these lines intersect is (-0.50, 1.07).  We can solve this in two ways:  mathematically or graphically.   Both are described.

Step-by-step explanation:

We have 2 equations, so we'll assume that the question is to find if they intersect, and if they do, where is the point of intersection.

Let's rewite the equations in slope-intercept format of y=mx+b, where m is the slope and b is the y-intercept (the value of y when x=0).

  1)  9x + 7y = 3

   7y = -9x + 3

y = -(9/7)x + (3/7)  This line has a slope of -(9/7) and a y-intercept of +(3/7).

   2) x - 7y=-8

-7y = -x - 8

y = (1/7)x + (8/7)  This line has a slope of (1/7) and an intercept of (8/7)

The line have different slopes, so they will intersect.  We can find the intersection point by either graphing or by substitution.  We'll do both:

Substitution

We'll rearrange one equation in terms of x and then use that value of x in the second equation.  Thuis has the effect of eliminating one of the variables (x or y) so that we can solve for the remaining value of x or y,

We've rearranged both equations so that they have y equal to an expression involving x.  If the lines intersect, we know that y in both equations will be the same at that point, so set the equations equal to each other and solve for x:

y = -(9/7)x + (3/7)

y = (1/7)x + (8/7)

Therefore:   -(9/7)x + (3/7) = (1/7)x + (8/7)

-(9/7)x -(1/7)x = + (8/7) - (3/7)

-(10/7)x = +(5/7)

x = (5/7)*(-7/10)

x = (-35/70)

x = -0.50

Now we can use this value of x to find y:

9x + 7y = 3

9(-0.50) + 7y = 3

-4.5 + 7y = 3

7y = 3+4.5

y = (7.5/7)

y = 1.07

The point at which these lines intersect is (-0.50, 1.07)

Graphing:

We can also graph the two equations and then look for the intersection.  See the attached graph.  The lines intersect at (-0.50, 1.07)

The mathematical approach has more certainty, since it does not require interpreting the intersection point on a graph.  Use the graphing approach to check the conclusion from the substitution approach.

pls send the correct answer

Answers

Centriod!

A centroid is also known as the centre of gravity.

Hope this answers your question!

Answer: centroid

Step-by-step explanation:

The function shown models the depth d (in inches) of snow on the ground during the first 9 hours of a snowstorm, where t is the time (in hours) after the snowstorm begins

d(t)=1/2t+6

What is the domain
What is the range

Answers

The domain of the function d(t)=1/2t+6 is (-∞, ∞) and the range of the function is (-∞, ∞).

What are Domain and Range?

Similar to how we input different numbers into functions, we also receive new numbers as the outcome. The two main characteristics of functions are domain and range.

A function's domain and range are its constituent parts. A function's range is its potential output, whereas its domain is the set of all possible input values. Range, Domain, and Function. A is the domain and B is the co-domain if a function f: A  → B exists that maps every element of A to an element in B. 'b', where (a,b) R, provides the representation of an element 'a' under a relation R. The set of images is the function's range.

The domain of the function d(t)=1/2t+6 is given by

Domain: (-∞, ∞), {x|x ∈ R}

The range of the function is given by

Domain: (-∞, ∞) , {y|y ∈ R}

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Miguel's class just held a class election. 70% of the 30 students in the class voted. How many students voted?

Answers

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{70\% of 30}}{\left( \cfrac{70}{100} \right)30}\implies 21[/tex]

Answer: 21

Step-by-step explanation:

70% of 30 students is 21

Hope this helped :)

Question content area top

Part 1

The dot plot shows predictions for the winning time in the​ 200-meter sprint. The winner finished the race in 22.4 seconds. What is the greatest percent error among the​ predictions?

Answers

The greatest percent error among the predictions is of:

2.23%.

How to obtain the percent error of a measure?

The percent error of a measure is obtained by the division of the difference between the actual value and the estimated value by the actual value, and multiplied by 100%, hence the equation is:

Percent error = |Actual - Estimate|/Actual x 100%.

From the given dot plot, we have that the farthest measure from 22.4 seconds is of 22.9 seconds.

The difference between the actual time and the estimate time is of:

22.9 seconds - 22.4 seconds = 0.5 seconds.

Applying the presented division, the percent error is given as follows:

Percent error = 0.5/22.4 x 100% = 2.23%.

Missing Information

The dot plot is given by the image at the end of the answer.

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what does it mean for a sample to have a standard deviation of zero? describe the scores in such a sample. when standard deviation is zero, no two scores are exactly the same. when standard deviation is zero, you cannot measure variability. when standard deviation is zero, the scores have no variability. when standard deviation is zero, there are no data points in the sample.

Answers

A sample to have a standard deviation of zero means the score has no variability.

When the score has no variability it points towards the standard deviation being zero, This is the case where all the scores in the sample have the exact same value. This means there is no spread in the data set at all. The data set is combined in a single clumped value. Since there is only one value it would be the mean of the data set. The standard deviation measures the spread of a quantitative data set. This number cannot be a non-negative real number.

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seven new employees, two of whom are married to each other, are to be assigned seven desks that are lined up in a row. if the assignment of employees to desks is made randomly, what is the probability that the married couple will have adjacent desks? (round your answer to the nearest tenth of a percent.) the probability that the couple has adjacent desks is %. what is the probability that the married couple will have nonadjacent desks? (round your answer to the nearest tenth of a percent.) the probability that the couple has nonadjacent desks is

Answers

The probability that the married couple will have adjacent desks is 0.2857and the probability that the married couple will have non-adjacent desks is 0.7143.

Probability is synonymous with potential. It is a branch of mathematics that studies the occurrence of a random event. The number ranges from 0 to 1. In mathematics, probability has been introduced to predict how likely events are to occur.

Given that

Of 7 new employees, 2 employees are married to each other; these 7 employees are to be assigned 7 desks that are lined up in a row.

If the assignment of the employees to the desks is made randomly, we have to find the probability that the married couple will have adjacent desks and will have non-adjacent desks.

Now, the event that the couple has non-adjacent desks is the complement of the event that they have adjacent desks.

Now, first, let us determine in how many ways can the couple have adjacent desks.

Let us consider the married couple as a single entity, that always stays together.

Then, in total, there are 6 entities; 5 non-related employees and 1 married couple.

Now, these 6 can be arranged among themselves in 6! number of ways.

The married couple can have adjacent desks in 2! ways.

So, the favorable number of cases, in which the couple has adjacent desks, is 6!*2!.

Again, 7 employees can be assigned desks in 7! number of possible ways.

That is, the number of all possible cases is 7!.

This means that

P(The couple has adjacent desks)

=6!*2!/7!

=0.2857.

Now,

P(The couple will have non-adjacent desks)

=1-P(The couple will have adjacent desks)

=1-0.2857

=0.7143

Therefore the probability that the married couple will have adjacent desks is 0.2857and the probability that the married couple will have non-adjacent desks is 0.7143.

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solve for x: 4x-3=2x+7

Answers

Answer:

x=5

Step-by-step explanation:

Follow the steps in the image.

-Hope this helped

Four out of nine dogs weigh less than 20 pounds what is the decimal equivalent for number of dogs weighing under 20 pounds

Answers

Answer:

.444....

Step-by-step explanation:

4 out of 9 is   4/9      or   4 ÷ 9 = .444...

represent the following expressions as a power of the number a (a≠0) (a^-1xa^-2)^-3

Answers

The solution of the exponential expression will be a⁹.

What is an exponential expression?

Powers can simply be expressed in concise form using exponential expressions. The exponent shows how many times the base has been multiplied.

Given exponential expression is (a⁻¹ x a⁻²)⁻³. The expression will be solved as below,

E = (a⁻¹ x a⁻²)⁻³

The base is the same and the variables are in multiplication with powers then the powers will be added,

E = (a⁻³)⁻³

E = a⁹

Therefore, the solution of the exponential expression will be a⁹.

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Elliot makes and sells key chains. His profit depends on what price he charges for a
key chain.
He writes the expression (x - 10) (60 - 3x) to represent his profit based on the
price per key chain, x.
Enter Elliot's average change in profit for two different sections of the graph.

Answers

When charging $15 for a key chain, it is discovered that his maximum profit is $75 using the vertex of the quadratic function.

The vertex of a quadratic equation,

A quadratic equation is given by, [tex]ax^{2} +bx +c[/tex]

The vertex is given by [tex]A (x_{1} ,y_{1} )[/tex]

[tex]x_{1} = \frac{-b}{2a}\\ \\y_{1} = \frac{-b^{2} +4ac }{4a}[/tex]

Considering the coefficient a, we have that:

If a < 0, the vertex is a maximum point.

If a > 0, it will be a minimum point.

The function given is (x -10 ) (60 -3x)

f(x) = (x -10 ) (60 -3x)  = 60x -3[tex]x^{2}[/tex] -600 +30x = -3[tex]x^{2}[/tex] +90x -600

So, here a = -3, b = 90 and c = -600

So,

[tex]x_{1} = \frac{-b}{2a}\\ \\x_{1} = \frac{-90}{2*(-3)} = 15[/tex]

[tex]y_{1} = \frac{-b^{2} +4ac }{4a} = \frac{(-90)^{2} + 4*(-3)*(-600) }{4*(-3)} = 75[/tex]

Hence, He can make up to $75 in profit when he charges $15 for a key chain.

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Mrs. Ferrell spent 40 minutes grading tests. That was 80% of the total number of minutes she
spent grading.
How many minutes did she spend grading?

Answers

Answer:

50 mins

Step-by-step explanation:

80 percent=40 mins

100 percent=50 mins

Select the correct answer. A game involves rolling a fair six-sided die. If the number facing upward on the die is a whole number multiple of three, the player wins an amount equal to the number on the die times $20. If the number is not a multiple of three, the player gets nothing. What is the expected value of a player's winnings on each roll?

Answers

The expected value of a player's winnings on each roll is equal to: D. $30.00

How to determine expected value of a player's winnings on each roll?

In order to determine the expected value of a player's winnings on each roll, we would list all of the outcomes that are associated with rolling a fair six-sided die.

By rolling a fair six-sided die, we would obtain the following outcomes:

Outcomes = 1, 2, 3, 4, 5, and 6.

Generally speaking, there are only two (2) numbers that are multiples of three (3) in a fair six-sided die and these include the following:

Multiples of three (3) = 3 and 6

When a player rolls a three (3), the player's possible winning is giving by:

Player's winning = 3 × 20 = $60

When a player rolls a three (3), the player's possible winning is giving by:

Player's winning = 6 × 20 = $120

Total winnings = $60 + $120

Total winnings = $180

Now, we can determine the expected value of a player's winnings on each roll:

Expected value = 1/6 × 180

Expected value = $30.

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Complete Question:

A game involves rolling a fair six-sided die. If the number facing upward on the die is a whole number multiple of three, the player wins an amount equal to the number on the die times $20. If the number is not a multiple of three, the player gets nothing. What is the expected value of a player's winnings on each roll?

A. $3.33

B. $6.66

C. $8.50

D. $30.00

E. $40.00

an experimenter flips a coin 100 times and gets 56 heads. find the 96.5% confidence interval for the probability of flipping a head with this coin. a) [0.355, 0.615] b) [0.375, 0.665] c) [0.455, 0.665] d) [0.505, 0.510] e) [0.455, 0.465] f) none of the above

Answers

The probability of the experiment is = 0.375, 0.665.

What is probability?The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.The likelihood that an event will occur increases with its probability.A straightforward illustration is tossing a fair (impartial) coin.The chance of both outcomes ("heads" and "tails") is equal because the coin is fair, "heads" is more likely than "tails," there are no other conceivable outcomes, and the likelihood of either outcome is half.

acc  to our question-

probability that first spin is grey = 6/8probability that second spin is blue = 2/8probability of both = 6/8 * 2/8 = 12/64 which reduces to 3/16

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Given the relation {(3,4),(-2,1),(0,6),
(5,-3)), what is the domain of the
relation? Pls help I’m stressing out about it and ik i SHOULDN’T but I can’t help it tbh

Answers

Answer:

I think that the answer is going to be 34-21+6=19

rocio is covering the curved surface of a cylindrical podium in wallpaper. the podium is 1.2 meters tall and has a diameter of 0.26 meters. about how much wallpaper does rocio need? a. b. c. d.

Answers

The area of wallpaper required is 0.98 [tex]m^{2}[/tex]

What is mensuration ?

Mensuration is a division of mathematics that studies geometric figure calculation and its parameters such as area, length, volume, lateral surface area, surface area, etc. It outlines the principles of calculation and discusses all the essential equations and properties of various geometric shapes and figures. 

Mensuration is a subject of geometry. Mensuration deals with the size, region, and density of different forms both 2D and 3D. Now, in the introduction to Mensuration, let’s think about 2D and 3D forms and the distinction between them.

Calculation

d = 0.26m

h = 1.2m

s = pi * d * h

 = 0.98 square meter

the area of wallpaper required is 0.98 [tex]m^{2}[/tex]

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Answer:

0.98 m²

Step-by-step explanation:

I got it right hope this helps.

If you are standing 23 m for a tree and the angle of elevation from where your standing is 35° what is the height of the tree?

Answers

Step-by-step explanation:

angLe of elevation= 35°distance from the tree=23mtantither= opp/adj opp=heightadj= 23mtither=35°tan 35=H/230.7002=H/23H=23×0.7002H=16.10m

What is the y-intercept of the function y = log4 (2x+64) +3?

Answers

Answer:

(0, 6)

Step-by-step explanation:

Given function:

[tex]y=\log_4(2x+64)+3[/tex]

The y-intercept of a function is the point at which the curve crosses the y-axis, so when x = 0.

Therefore, to find the y-intercept, substitute x = 0 into the function:

[tex]\implies y=\log_4(2(0)+64)+3[/tex]

[tex]\implies y=\log_4(64)+3[/tex]

Rewrite 64 as 4³:

[tex]\implies y=\log_4(4)^3+3[/tex]

[tex]\textsf{Apply the log power law}: \quad \log_ax^n=n\log_ax[/tex]

[tex]\implies y=3\log_4(4)+3[/tex]

[tex]\textsf{Apply log law}: \quad \log_aa=1[/tex]

[tex]\implies y=3(1)+3[/tex]

[tex]\implies y=3+3[/tex]

[tex]\implies y=6[/tex]

Therefore, the y-intercept of the given function is (0, 6).

help meeeeeeeeeeeeeee pleaseee

Answers

The vertex of the curve will be at (-2, -4) and the axis of symmetry is at -2

How to illustrate tye information?

From the graph, the roots of the equation are -4 and 0, therefore, (x + 4) is a factor and x is also a a factor.

The equation of the curve is the product of the factors of the curve which is y = x(x + 4)

y =  + 4x

The x coordinate of the vertex =

will be illustrated as:

-b/2a = axis of symmetry

a and b is the coefficient of x

so a = 1, b = 4

x coordinate of vertex = -4/2 = -2

Then, substitute x = -2 into y =   + 4x to find the y-coordinate of the vertex

y = (-2)² + 4(-2)

y = 4 -8

y = -4

vertex  = (-2, -4)

The axis of symmetry is -b/2a which is -2

Therefore, the vertex is at (-2, -4).

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