Ximena decides to estimate the volume of an apple by modeling it as a sphere. She measures its diameter as 11.9 cm. Find the apple's volume in cubic centimeters. Round your answer to the nearest tenth if necessary

Answers

Answer 1

The volume of the apple is approximately 832.2 cubic centimeters.

What is volume of sphere?

The following equation determines a sphere's volume:

V = (4/3)πr³

When V denotes the sphere's volume, r denotes its radius, and denotes the mathematical constant pi (approximately 3.14). By seeing the sphere as an unlimited number of little cylinders piled on top of one another, the formula may be created. Each cylinder has a height equal to the sphere's shell thickness and a radius equal to the sphere's radius.

The volume of a sphere:

V = (4/3)πr³

Here, r = d/2 = 11.9 cm / 2 = 5.95 cm

Substituting the values we have:

V = (4/3)π(5.95 cm)³ ≈ 832.2 cm³

Therefore, the volume of the apple is approximately 832.2 cubic centimeters.

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Related Questions

I need help with this please

Answers

Step-by-step explanation:On a coordinate plane you move 9 to the right and 2 up

Given that Z does not = 0, which of the following is equivalent to Z to the 4th root?

Answers

The equivalent function is [tex]z^{1/4}[/tex].

What is a function?

Each element of X receives exactly one element of Y when a function from one set to the other is used. The sets X and Y are collectively referred to as the function's domain and codomain, respectively. Initially, functions represented the idealized relationship between two changing quantities.

Here, we have

Given: Z ≠ 0

We have to find the equivalent function to [tex]\sqrt[4]{z}[/tex].

We concluded that

[tex]\sqrt[4]{z}[/tex] = [tex]z^{1/4}[/tex]

Hence, the equivalent function is [tex]z^{1/4}[/tex].

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The running back for the Bulldogs football team carried the ball 9 times for a total loss of 15/3/4 yards. Find
the average change in field position on each run. Enter the average change as a simplified mixed number.

Answers

The average change in field position on each run was a loss of 7/4 yards.

What is mixed number?

A mixed number in mathematics is a number that combines a whole number and a fraction. The entire number and the fraction are often separated by a space or a plus sign when writing mixed numbers. As an illustration, the mixed number 2 1/3 stands for the sum of 2 and 1/3. By dividing the entire number by the fraction's denominator and adding the numerator, mixed numbers can be transformed into improper fractions. For instance, we would multiply 2 by 3 and add 1 to get 7, which is an incorrect fraction of 2 1/3. In order to obtain 7/3, we would then write the fraction using the same denominator as the original fraction.

The total change in position for a total loss of 15/3/4 yards is:

Total change in field position = - (15 + 3/4) yards

Given the, number of runs = 9

Thus:

Average change in field position = Total change in field position / Number of runs

Average change in field position = (- 15 - 3/4) yards / 9

Average change in field position = (- 63/4) yards / 9

Average change in field position = - 7/4 yards

Hence, the average change in field position on each run was a loss of 7/4 yards.

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Matthew gets paid $12 per hour. Which graph has a slope that best represents this rate? 15 POINTS!

Answers

Answer: While I cannot give an exact answer without additional context, the answer should have a slope of 12, and should look like the image below.

Answer:

12

Step-by-step explanation:

three notebook and five pencils cost N$ 30. one notebook and ten pencils also cost N$30. taking the cost of a note to be n dollars and the cost of a pencil to be p dollars, write two simultaneous equations and find the price of one notebook and one pencil. ​

Answers

Thus, the one notebook' price n = $6 and the price of one pencil is p = $2.4.

Explain about the 2 variable linear equation:

Ax+By=C is the usual form for two-variable linear equations. A standard form linear equation is, for instance, 2x+3y=5. Once an equation is given in this format, finding both intercepts is rather simple (x and y). When attempting to solve systems involving two linear equations, this form is also quite helpful.

Let cost of a notebook to be 'n' dollars

Let the cost of a pencil to be 'p' dollars,

Then, the system of equations are-

3n + 5p = 30   ..eq 1

n + 10p = 30  ....eq2

multiply eq 2 with 3

3n + 30p = 90 ...eq 3

Subtract eq 3 from eq 1

3n + 5p - 3n - 30p = 30 - 90

25p = 60

p = 2.4

n + 10(2.4) = 30

n = 30 - 24

n = 6

Thus, the price of one notebook n = $6 and the price of one pencil is p = $2.4.

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Need help
40 points!!!

Answers

1. The diagonal of the base of the box is shorter than the length of the wind chime. 2. The interior diagonal of the box shorter than the length of the wind chime. 3.  The wind chime will not fit in the box.

What is diagonal?

A diagonal is a line segment that connects two polygonal corners (vertexes), although it is not an edge (side). In other words, it connects any two polygonal vertices that are not neighboring. So, when we directly link any two vertices that are not connected by any sides, we may draw the diagonals in a polygon. A diagonal is a line that runs straight across the vertices of a polygon and joins its opposing corners. In other terms, a line segment connecting any two non-adjacent corners is a polygon's diagonal. Depending on how many sides a polygon has, distinct polygons may have a variable number of diagonals.

Given that the length of the wind chime is 16 inches thus,

1.  diagonal of base of the box = √10²+8² = √164 = 12.8

Hence, the diagonal of the base of the box is shorter than the length of the wind chime.

2.  interior diagonal of the box = √6²+8²+10² = √200 = 14.14

The interior diagonal of the box shorter than the length of the wind chime

3.  The wind chime will not fit in the box

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what is the value of X6.75+3/8 X equals 13 1/4

Answers

Answer:

[tex]x = 1 \frac{49}{57} [/tex]

Step-by-step explanation:

[tex]6.75x + \frac{3}{8} x = 13 \frac{1}{4} [/tex]

Multiply the whole equation by 8, to eliminate the fractions:

[tex]54x + 3x = 106[/tex]

[tex]57x = 106[/tex]

Divide both parts of the equation by 57:

[tex]x = \frac{106}{57} = 1 \frac{49}{57} [/tex]

A submarine is 1,275.5 feet below sea level. It dives down 215.5 feet and then rises 125.5 feet. Finally, the sub dives down another 122.4 feet. Assume sea level is at an elevation of 0 feet.

Answers

After diving dοwn 215.5 feet, rising 125.5 feet, and diving dοwn anοther 122.4 feet, the submarine is at a depth οf 1,063.1 feet belοw sea level.

What is the arithmetic οperatiοn?

The fοur fundamental οperatiοns οf arithmetic are additiοn, subtractiοn, multiplicatiοn, and divisiοn οf twο οr mοre quantities. Included in them is the study οf numbers, especially the οrder οf οperatiοns, which is impοrtant fοr all οther areas οf mathematics, including algebra, data management, and geοmetry. The rules οf arithmetic οperatiοns are required in οrder tο answer the prοblem.

Starting at a depth οf 1,275.5 feet belοw sea level, the submarine dives dοwn an additiοnal 215.5 feet:

1,275.5 - 215.5 = 1,060 feet belοw sea level

Then the submarine rises 125.5 feet:

1,060 + 125.5 = 1,185.5 feet belοw sea level

Finally, the submarine dives dοwn anοther 122.4 feet:

1,185.5 - 122.4 = 1,063.1 feet belοw sea level

Therefοre, after diving dοwn 215.5 feet, rising 125.5 feet, and diving dοwn anοther 122.4 feet, the submarine is at a depth οf 1,063.1 feet belοw sea level.

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68. The product of a nonzero integer and -1 has the same value as the square of the integer. What is the integer?
(F) -2
(G) -1
(H) 0
(J) 1
(K) 2

Answers

Answer:

(G) -1

Step-by-step explanation:

Let the integer be [tex]x[/tex].

Then, it folloes that [tex]-x=x^2[/tex].

Because [tex]x \neq 0[/tex], dividing both sides by [tex]x>/tex] yields [tex]x=-1[/tex].

URGENT!! ILL GIVE
BRAINLIEST! AND 100 POINTS

Answers

The correct answer is (B) Function A is decreasing, while function B is also decreasing AND Function A is steeper.

need done asap only have 2 min

Answers

Answer 6

Step-by-step explanation:  A = 1/2 bh, 6 x 2 is 12 and 1/2 of 12 is 6

sandra tossed a coin 3 times.wich tree diagram shows al the possible outcomes of the coin landing heads up or tails up

Answers

8 possible sequences in total. Thus, A tree with 8 outcomes, option 1 is correct.

What is a tree diagram?

A diagram with a structure of branching connecting lines, representing different processes and relationships.

Here is a tree diagram showing all the possible outcomes of Sandra tossing a coin three times:

In the diagram, each branch represents the outcome of one toss of the coin. The letters "H" and "T" represent "heads" and "tails," respectively. Each path from the top of the tree to a bottom node represents a possible sequence of coin tosses, and there are 2³ = 8 possible sequences in total.

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Complete question:

Sandra tossed a coin 3 times. Which tree diagram shows al the possible outcomes of the coin landing heads up or tails up.

A tree with 8 outcomes

A tree with 12 outcomes

A tree with 9 outcomes

A tree with 6 outcomes

A quick quiz consists of a true/false question followed by a multiple-choice question with 4 possible answers. If both questions are answered with random guesses, find the probability that both responses are correct.

Answers

For given Sample Space, the probability that both responses are correct is 12.5%.

What exactly is a sample space?

A sample space is the collection of all potential results of an experiment or random process in probability theory. It is a key idea that allows us to define and assess event probability.

Consider the following experiment: rolling a six-sided die. This experiment's sample space is the set of all potential results of rolling the dice, which are 1, 2, 3, 4, 5, 6. Each member of the sample space indicates a possible experiment outcome.

Now,

The probability of answering the true/false question correctly by random guess is 1/2, since there are two possible choices.

The probability of answering the multiple-choice question correctly by random guess is 1/4, since there are four possible choices.

The probability of both events happening together = product of individual probabilities:

P(correct on both) = P(true/false correct) × P(multiple-choice correct)

= (1/2) × (1/4)

= 1/8

= 0.125

Therefore, the probability that both responses are correct is 0.125 or 12.5%.

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A rectangular prism and a cylinder both have a height of 8 m, and their cross-sectional areas are equal at every level parallel to their respective bases.

A rectangular prism and a cylinder both have a height of 8 meters. The rectangle has base dimensions of 5 meters by x. The cylinder has a radius of 3 meters.

Complete the steps to find the width of the prism.

Find the volume of the prism.
V =
m3
Find the volume of the cylinder.
V =
m3
Set the volumes equal to each other and solve for x. Round to the nearest tenth.
x =
m

Answers

First, we need to find the cross-sectional area of each figure:

Cross-sectional area of the rectangular prism: 5x square metersCross-sectional area of the cylinder: π(3^2) = 9π square meters

Since the cross-sectional areas are equal at every level, we can set up the following equation:

5x = 9π

Solving for x, we get:

x = 9π/5

Now, we can find the volume of the rectangular prism:

V = 5x * 8 = 72π cubic meters

And the volume of the cylinder:

V = π(3^2) * 8 = 72π cubic meters

Since the volumes are equal, we can set up the following equation:

72π = 72π

Simplifying, we get:

9πx = 40π

Solving for x, we get:

x = 40/9

Rounding to the nearest tenth, we get:

x ≈ 4.4 meters

Therefore, the width of the rectangular prism is approximately 4.4 meters.

You are in a soapbox racing competition. In each heat, 10 cars race and the positions of the cars are randomly assigned. What is the probability that you are chosen to be in the first or second position of the heat in which you are racing. Explain

Answers

The probability of being in the first or second position in a heat with 10 cars can be calculated by finding the total number of ways that the cars can be arranged in the heat and then dividing by the number of ways that result in being in the first or second position.

There are 10 cars in the heat, so there are 10 possible positions for the first car, and once that car has been assigned a position, there are 9 possible positions remaining for the second car, and so on. Therefore, the total number of ways that the cars can be arranged is:

10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

This is equivalent to 10! (read as "10 factorial"), which is the product of all the positive integers from 1 to 10.

To be in the first or second position, there are 2 possible positions out of the 10 total positions in the heat. So, the number of ways to be in the first or second position is:

2 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

which is equivalent to 2 x 9!, since we only need to consider the arrangements of the remaining 9 cars after we have assigned ourselves to one of the first two positions.

Therefore, the probability of being in the first or second position is:

(2 x 9!) / 10!

Simplifying this expression, we get:

(2 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1) / (10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1)

which simplifies further to:

2 / 10

or:

1 / 5

So, the probability of being in the first or second position is 1/5 or 0.2, which means that there is a 20% chance of being in one of those positions in any given heat.

A hand of 10 cards is dealt from a well-shuffled standard 52-card deck of cards. What is the probability that the hand contains 3 Jacks?
a) 0.048617
b) 0.018617
c) 0.038617
d) 0.068617
e) 0.028617

Answers

A hand of 10 cards is dealt from a well-shuffled standard 52-card deck of cards. The probability that the hand contains 3 Jacks is 0.018617. So correct option is b.

Describe combinations?

In mathematics, combinations refer to the ways of selecting a group of items from a larger set without considering the order of the items. Combinations are used to count the number of possible outcomes in situations where order does not matter, such as selecting a group of people to form a committee, or selecting a subset of items from a larger collection.

The number of possible combinations of r items selected from a set of n items is given by the formula:

C(n, r) = n! / (r! * (n - r)!)

where n! represents the factorial of n, which is the product of all positive integers up to n, and r! represents the factorial of r.

To solve this problem, we need to find the probability of selecting exactly 3 jacks out of 10 cards from the 52-card deck.

The probability of selecting a jack from the deck is 4/52, since there are four jacks in the deck. The probability of not selecting a jack is 48/52, since there are 48 non-jack cards in the deck.

Using the formula for the probability of a specific combination of events occurring (nCr), where n is the total number of cards in the deck, and r is the number of jacks we want to select:

P(3 jacks) = (4/52)³(48/52)⁷ × 10C3

10C3 is the combination of 10 cards taken 3 at a time, which is equal to 10!/(3!7!) = 120.

Therefore, P(3 jacks) = (4/52)³(48/52)⁷ × 120 ≈ 0.018617

So, the answer is b) 0.018617.

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Please help ASAP!! and show step by step pls worth 35 points! and brainliest :)


After talking back to Grandma Sinko, Grandson Rinko is tasked with organizing Grandma Sinko's huge collection of silverware. He begins by sorting the forks. If he puts them in groups of 4, there are three forks left over. If he puts them in groups of 6, there are still three forks left over. If he puts them in groups of 12, how many forks will be left over?

Answers

if Grandson Sinko puts the forks in groups of 12, there will be no forks left over

Define least common multiple

The least common multiple (LCM) of two or more integers is the smallest positive integer that is a multiple of each of the given integers. In other words, the LCM is the smallest number that is divisible by all the numbers in a given set.

the least common multiple of 4 and 6, is 12. So if Grandson Sinko puts the forks in groups of 12, there will be no forks left over.

To find the number of forks, we can use the fact that the number of forks is three more than a multiple of both 4 and 6. Let's call the number of forks x. Then we have:

x ≡ 3 (mod 4)

x ≡ 3 (mod 6)

Using the Chinese remainder theorem, we can combine these congruences to get:

x ≡ 3 (mod 12)

This means that the number of forks is three more than a multiple of 12. So we can write:

x = 12n + 3

where n is an integer. To find the value of n, we can plug in the values of x from the first two congruences:

x ≡ 3 (mod 4) => x = 4m + 3

x ≡ 3 (mod 6) => x = 6k + 3

Setting these two expressions for x equal to each other, we get:

4m + 3 = 6k + 3

Simplifying, we get:

2m = 3k

Since 2 and 3 are relatively prime, this means that m must be a multiple of 3 and k must be a multiple of 2. So we can write:

m = 3p

k = 2q

where p and q are integers. Plugging these into the expressions for x, we get:

x = 4m + 3 = 4(3p) + 3 = 12p + 3

x = 6k + 3 = 6(2q) + 3 = 12q + 3

Since x is the same in both expressions, we can set them equal to each other:

12p + 3 = 12q + 3

Simplifying, we get:

p = q

So we can write:

x = 12p + 3

where p is an integer. Therefore, if Grandson Sinko puts the forks in groups of 12, there will be no forks left over.

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3
5
6
ft = 3
5
6
× 1 ft = 3
5
6
× 12 in Write 3
5
6
feet as a single fraction greater than one. Then, complete the expression PLEASE HELP ASAP

Answers

The complete expression of given question is :

3 5/6 feet = 23/6 feet = 46 inches.

What do you mean by term Mixed Fraction ?

A mixed fraction is a type of fraction that consists of a whole number and a proper fraction. For example, 3 1/2, 2 2/3, and 5 3/8 are all mixed fractions. The whole number part represents a number of whole units, while the fraction part represents a part of a unit.

To write 3 5/6 feet as a single fraction greater than one, we can convert the mixed number to an improper fraction. To do this, we multiply the whole number (3) by the denominator of the fraction (6), and add the numerator (5), then put the result over the denominator. Like this:

3 5/6 = (3 x 6 + 5)/6 = 23/6

Therefore, 3 5/6 feet can be written as the improper fraction 23/6 feet.

To complete the expression, we can use the fact that 1 foot is equal to 12 inches. Therefore, we can convert 23/6 feet to inches by multiplying it by 12:

23/6 feet × 12 inches/1 foot = 23/6 × 12 inches

Simplifying the fraction, we get:

23/6 × 12 inches = 276/6 inches = 46 inches

Therefore, the expression is:

3 5/6 feet = 23/6 feet = 46 inches.

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What is the volume of this sphere?
Use 3.14 and round your answer to the nearest hundredth.
Submit
99 ft
cubic feet

Answers

Answer:

[tex]v≈41033.52 \: {ft}^{3} [/tex]

Step-by-step explanation:

Given:

A sphere

r (radius) = 99 ft

π 3,14

Find: V (volume) - ?

[tex]v = \frac{4}{3} \pi {r}^{2} [/tex]

[tex]v = \frac{4}{3} \times 3.14 \times {99}^{2} ≈41033.52 \: {ft}^{3} [/tex]

HELP ASAP
A net of a rectangular prism is shown.


A net of a rectangular prism with dimensions 5 and three-fourths centimeters by 4 centimeters by 11 and three-fourths centimeters.


What is the surface area of the prism?


five hundred fifty and one-fourth cm2

four hundred twelve and three-fourths cm2

two hundred seventy-five and one-eighth cm2

one hundred thirty-seven and nine-sixteenths

Answers

Thus, the surface area of the rectangular prism is found as : S = 275 ¹/₈ cm².

Explain about the rectangular prism:

A rectangular prism is one of the more usual shapes for prisms. One definition of a rectangular prism is a prism with rectangle-shaped bases. An other faces also were rectangles because the bases are rectangles. These are a rectangular prism's characteristics:

two parallel rectangular basesCongruent as well as parallel rectangles on three facestotal of six rectangular faces

Given dimensions for the rectangular prism :

Length l = 11 ³/₄ cm = 47/4 cm = 11.75 cmwidth w = 5 ³/₄ cm = 23/4 cm = 5.75 cmheight h = 4 cm

Then ,

surface area of the prism S = 2(lw + wh + hl)

Put the values:

S = 2(11.75*5.75 + 5.75*4 + 4*11.75)

S = 2*137.5625

S = 275.125

S = 275 ¹/₈ cm²

Thus, the surface area of the rectangular prism is found as : S = 275 ¹/₈ cm².

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You are the casting director for a local production of the play Rent. There are six distinct parts available, but you have tventy-three volunteers. In how many different ways can this play be cast?

Answers

Hamilton had a 21-man company in its first (currently only ongoing) production. There are 720 ways that can play as cast.

Hamilton had a 21-man company in its first (currently only ongoing) production, so we really know a little about our army of volunteers (all of which I think are good enough to hold the show to a high standard), but that's not necessarily the case. The problem - Thomas Kail and Andy Blanken buehler use their team of 11 in their Broadway productions to great effect, but a team of the same size. It's an art choice.

When it comes to the main body, there are actually 14 named locations, with a lot of work through singing and/or dialogue, in addition to the many things the members use from Kail products. This prevents all volunteers from being an essential part because that leaves us only 3 people in total which seems a bit lackluster in some big productions.

One solution is to have some minor roles played by the band members - for example James Madison, King George III, Peggy Schuyler and Maria Reynolds - so now we have 9 key characters and 8 groups that we need to succeed. compact performance.

My preference is to follow a Broadway production, so we have 10 main actors, so the ensemble is 7 people. If necessary, with the help of a small part of the main cast, we can expand the group in many performances.

Therefore, there are 10!/7! = 720 ways .

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The half life of a drug in the body is 5 hours. By what factor b is the amount ofdrug in the body multiplied by for each passing hour

Answers

Answer:

The factor by which the amount of drug in the body is multiplied by each passing hour can be found using the formula:

b = 1/2^(t/h)

where:

t = time elapsed (in hours)

h = half-life of the drug

In this case, the half-life of the drug is 5 hours, so we have:

h = 5 hours

For each passing hour, the time elapsed increases by 1 hour, so we can calculate the factor b after 1 hour as:

b = 1/2^1/5

b = 0.63

This means that after 1 hour, the amount of drug in the body is multiplied by 0.63. After 2 hours, it is multiplied by 0.63 again, and so on.

last five different math vocabulary that can be used to describe each given expression 6(t+2)-8

Answers

The  five different math vocabulary that can be used to describe each given expression 6(t+2)-8

CoefficientConstantDistributive propertyLinear expressionSimplify

Expression: A combination of numbers, variables, and operators that can be evaluated or simplified.

Coefficient: A number that is multiplied by a variable.

Distributive Property: The property that allows you to multiply a factor by each term inside a set of parentheses.

Simplify: To reduce an expression to its simplest form.

Linear: An expression that has no exponents or other operations besides addition, subtraction, and multiplication by a constant.

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Please help solve the problem

Answers

Answer:

y = 3 cot (1x)?

Step-by-step explanation:

x 0 1 2 3 4 5 Total
P(x) .05 .34 .26 .20 .10 .05 1.00

Answers

The mean of the given data set is 2.11.

What is mean?

Mean is a statistical term which is in general meaning is average. Sum of the given data and then dividing it by the number of terms is the mean of the given data set.

In the given problem ,

x              p(x)

0              .05

1                .34

2               .26

3                 .20

4                .10

5                .05

So the mean is ∑x (p(x))

                      = (0× .05)+ (1× .34)+(2× .26)+(3× .20)+(4× .10)+(5× .05)

                    = .34 +0.52+0.6+0.4+0.25

                   = 2.11

Hence, the mean is 2.11.

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Determine the leading coefficient of the polynomial graphed below.

Answers

The leading coefficient of the polynomial is 4.

The leading coefficient of a polynomial, we first need to understand what the leading term of the polynomial is.

The leading term is the term with the highest degree in the polynomial.

For example, in the polynomial [tex]3x^4 + 2x^3 - 5x^2 + 4x - 1[tex], the leading term is 3x^4.
To determine the leading coefficient of a polynomial, we simply look at the coefficient of the leading term. For example, in the polynomial [tex]3x^4 + 2x^3 - 5x^2 + 4x - 1[/tex], the leading coefficient is 3.
Now, let's apply this concept to the polynomial graphed below. From the graph, we can see that the polynomial has a degree of 2, meaning that the highest power of x in the polynomial is 2.

Therefore, the leading term of the polynomial is [tex]ax^2[/tex], where a is the leading coefficient.
The vertex is the point on the graph where the polynomial reaches its maximum or minimum value. In this case, the vertex is located at [tex](-2, 4)[/tex]
Since the vertex is the highest point on the graph, we know that the coefficient of x^2 must be positive.

In this case, the value of y at the vertex is 4.

Therefore, the leading coefficient of the polynomial is 4.

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Find the sum of (-3x⁵- 4x + 3) and (2x⁵- x +
3)​

Answers

Answer:20

Step-by-step explanation:

Answer:

[tex]-x^{5} -5x+6[/tex]

Step-by-step explanation:

Find the sample size needed so that a 99.5% confidence interval will have margin of error of 1.5.

Answers

Keep in mind that without the population standard deviation, it is impossible to provide an exact sample size. However, this formula will give you a good starting point.

To find the sample size needed for a 99.5% confidence interval with a margin of error of 1.5, we can use the formula:

n = (Z * σ / E)^2

where n is the sample size, Z is the Z-score corresponding to the desired confidence level, σ is the population standard deviation, and E is the margin of error.

For a 99.5% confidence interval, the Z-score is approximately 2.807 (from a standard normal distribution table). Since we do not have the population standard deviation (σ), we will need to estimate it using a sample standard deviation or use a conservative approach by assuming the maximum possible value. For now, let's assume we have an estimated standard deviation.

n = (2.807 * σ / 1.5)^2

Solve for n by plugging in the estimated standard deviation (σ) and then round up to the nearest whole number, as you cannot have a fraction of a sample.
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What equation is equivalent to log₃(x+5) = 2?

Answers

Answer:

x=4

Step-by-step explanation:

We can solve for x by using the definition of logarithms.

log₃(x+5) = 2 can be rewritten in exponential form as 3² = x + 5.

Simplifying 3² gives 9, so we have:

x + 5 = 9

Subtracting 5 from both sides, we get:

x = 4

Therefore, the equivalent equation is x = 4.

What is the answer to
2/3 of 90.

Answers

Answer:

60

Step-by-step explanation:

An easy way to find the answer is when you see of that basically means to times(X) so that means 2/3 X 90 = 60

It is 60

when u express it as a single fraction

2 x 90/3
2 x 90 = 180
then it would be 180/3 which would lead you to 60. hope this helps have a good day:)
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