Can you pease help me find all the zeroes of the polynomial function f(x)=x^3-5x^2+6x-30 using synthetic devision?
thank you!

Answers

Answer 1
        x^3    - 5x^2 +    6x  -  30

    |   1        - 5            6      - 30
    |
    |
 5 |              5             0        30
----------------------------------------------
    |   1         0             6         0  <------ the resiude is 0.

Resiude 0 means that the polynomial is divisible by x - 5, and that means the root is x = 5.

That is the only rooto because the quotient is x^2 + 6, which does not have real roots.

Answer: x = 5



Related Questions

The sum of the squares of two consecutive even integers is 452. find the two integers.

Answers

Hii

I m here to help u!!!


Let the two consecutive even integers are:-
x and x+2

according to the question ,we have
x^2 + (x+2)^2 =452
2x^2 + 4 + 4x =452
x^2 +2x -224=0

Now splitting the middle terms
x^2 + 16x -14x -224=0
we get
x=14
So the integers are 14 and 16.

I Hope it helps you!
Hi there! We can create a number equation to find your solution. Already, we know that two consecutive integers can be represented by [tex]x+x+1[/tex]. All we have to do is square that expression and make it equal to 452. This gives us:
[tex](x)^{2} +(x+1)^{2} =452[/tex]
We can simplify that down to [tex]2x^{2}+4x+4 =452[/tex]. Now, we can subtract 452 from both sides to make the whole left side equation equal to zero. Doing that gives us [tex]2x^{2}+4x-448=0[/tex]. We see that 2 can be factored out of the whole equation, giving us [tex] 2(x^{2}+2x-224)=0[/tex]. Next, we can factor the equation to get [tex](x-16)(x+14)=0[/tex]. We can use the Zero Product Property to find the x values of -16 and 14. Therefore, the two integers are -16 and 14. Hope this helped!

If you used 765 KWH and the power company charges 0.06354/KWH and a customer charge of $3.75, how much will you pay?

Answers

$52.36

THIS IS THE ANSWER

What is the difference between slope and unit rate?

Answers

Slope is for a average rate and unit rate is what you get for just one thing

A bag of grass seed weight 1/7 of a gram. That was enough to cover 1/6 of the lawn. How many grams of seed do they need to cover the entire lawn?

Answers

The seed covered 1/6 of the lawn. To cover the entire lawn (6/6) we need 6 times as much seed.

(1/7 gram seed) * 6 = 6/7 gram seed

How does solving absolute value inequalities relate to solving compound inequalities?

Answers

An absolute value inequality is solved by re-writing it as compound inequality. For example.

|x+1| < 5

Since the value inside the absolute value brackets: (x+1) can be positive or negative, it is re-written as a compound inequality as the example below.

x+1 < 5

x+1 > - 5

solve for the range of values x can be

-6 < x < 4


Solving absolute value inequalities yields compound inequalities. Absolute value cases create intervals, linking the processes in algebraic solutions.

Solving absolute value inequalities and compound inequalities are related concepts in algebra, both involving multiple solutions and a range of possible values. Absolute value inequalities often result in compound inequalities due to the nature of the absolute value function.

When solving an absolute value inequality, such as [tex]\(|x - a| < b\), where \(a\)[/tex]and[tex]\(b\)[/tex] are constants, it generally leads to two separate cases: [tex]\(x - a < b\)[/tex] and [tex]\(x - a > -b\).[/tex] These cases represent the intervals where the expression inside the absolute value is less than [tex]\(b\)[/tex] and greater than its negative counterpart.

This process connects with solving compound inequalities, which involve combining two or more inequalities using logical connectors like "and" or "or." The solutions to the individual inequalities are then used to determine the overall solution to the compound inequality.

For instance, in the absolute value inequality[tex]\(|x - a| < b\)[/tex], the resulting compound inequality might be [tex]\(a - b < x < a + b\)[/tex]. This demonstrates that the solutions lie within the interval \((a - b, a + b)\), illustrating the linkage between solving absolute value inequalities and dealing with compound inequalities. Both concepts require careful consideration of multiple scenarios and the integration of solutions to find the overall solution set.

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Let gg be an exponential function that is changing at a rate proportional to itself, with constant of proportionality 0.60.6. (a) what's the growth factor of gg? .6 . (b) the function gg exhibits

Answers

The growth factor of g is given by [tex]A = e^{0.6t}.[/tex]

The function exhibits exponential growth.

We have,

(a)

Let's denote the growth factor as A(t), where t is the independent variable representing time.

The rate of change of g at any time t is proportional to g itself, with a constant of proportionality of 0.6.

This can be expressed as:

dA/dt = 0.6A

This is a separable differential equation, which we can solve by separating the variables and integrating them:

1/A dA = 0.6 dt

Integrating both sides,

ln|A| = 0.6t + C

Here, C is the constant of integration.

Exponentiating both sides:

[tex]|A| = e^{0.6t + C}[/tex]

Since the growth factor A is always positive, we can drop the absolute value:

[tex]A = e^{0.6t + C}[/tex]

We can do this by considering the initial condition.

Let's assume that at t = 0, the growth factor A is 1 (no growth). Substituting these values into the equation:

[tex]1 = e^{0.6(0) + C}\\1 = e^C[/tex]

Taking the natural logarithm of both sides:

[tex]ln(1) = ln{e^C}[/tex]

0 = C

So,

[tex]A = e^{0.6t}[/tex]

(b)

The function g exhibits exponential growth, as the value of g increases exponentially with time.

Thus,

The growth factor of g is given by [tex]A = e^{0.6t}.[/tex]

The function exhibits exponential growth.

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Final answer:

The growth factor of gg is 0.6. The function exhibits exponential growth.

Explanation:

(a) The growth factor of an exponential function is the base of the exponent. In this case, the growth factor is 0.6.

(b) The function gg exhibits exponential growth, meaning that as the input increases, the output increases at a proportional rate.

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Factor this expression completely and then place the factors in the proper location on the grid. Note: Place factors alphabetically in the grid! mr + ns - nr - ms

Answers

Greetings!

Find the GCF by Grouping.
[tex]mr+ns-nr-ms[/tex]
[tex]mr-ms-nr+ns[/tex]
[tex]m(r-s)-n(r-s)[/tex]
Find the GCF.
[tex](r-s)(m-n)[/tex]
This is the furthest you can factor.

Hope this helps.
-Benjamin

Answer:

(m-n)(r-s)

Step-by-step explanation:

We will factor this by grouping.  First we rearrange the terms so the m's are together and the n's are together:

mr-ms+ns-nr

Next we group the first two and the last two:

(mr-ms)+(ns-nr)

The GCF of the first group is m; factor this out:

m(r-s)+(ns-nr)

The GCF of the second group is n; factor this out:

m(r-s)+n(s-r)

We want to have the same thing in both sets of parentheses; to do this, we will multiply the second factor by -1:

m(r-s)+-n(r-s)

Factoring out the term now in common, r-s, we have

(r-s)(m-n) = (m-n)(r-s)

What is Fourteen less than five times a number is three times the number and what is Twelve more than seven times a number equals the number less six?

Answers

Your first equation:
  5x - 14 = 3x
  5x (- 5x) - 14 = 3x (- 5x)
   - 14 = - 2x
   - 14 (/ - 2) = - 2x (/ - 2)
   7 = x

Your second equation:
    7x + 12 = x - 6
    7x + 12 (+ 6) = x - 6 (+ 6)
    7x + 18 = x
    7x (- 7x) + 18 = x (- 7x)
    18 = - 6x
    18 (/ - 6) = - 6x (/ - 6)
    - 3 = x

I hope this helps :)

The solution to the first algebraic equation is x = 7, and the solution to the second equation is x = -3. Both problems involve setting up and solving algebraic equations to find the value of the unknown number.

To solve the problems stated, we need to set up algebraic equations and solve for the unknown number x.

For the first one:

Fourteen less than five times a number is three times the number: 5x - 14 = 3x.

After simplifying, we get 2x = 14.

Divide both sides by 2 to find x = 7.

For the second one:

Twelve more than seven times a number equals the number less six: 7x + 12 = x - 6.

Rearrange to find 6x = -18.

Divide both sides by 6 to find x = -3.

We have found that the unknown number in the first equation is 7 and in the second equation, it is -3.

during the 2009-2010 basketball season, the number of points scored in each game by the boston celtics was approximately normally distributed with a mean of 99.2 points and a standard deviation of 10.5 pthe mean number of points scored by los angeles lakers was 101.7. in what proportion of their games did the celtics score more than the lakers' mean score?

Answers

To solve this problem, we use the z statistic.  The z formula is:

z = (x – u) / s

where x is lakers score = 101.7, u is Celtics score = 99.2, s is standard dev = 10.5

z = (101.7 – 99.2) / 10.5 = 0.24

 

using the normal distribution table at z = 0.24, the P value is:

P (z = 0.24) = 0.5984 = 59.84% 

Final answer:

To find the proportion of games in which the Boston Celtics scored more than the Los Angeles Lakers' mean score, we need to standardize the Lakers' mean score, find the z-score, and then find the proportion from the standard normal distribution table.

Explanation:

To find the proportion of games in which the Boston Celtics scored more than the Los Angeles Lakers' mean score, we need to find the area under the normal distribution curve to the right of the Lakers' mean. First, we need to standardize the Lakers' mean score by finding the z-score using the formula:

z = (x - μ) / σ

where x is the mean score, μ is the mean of the Celtics' scores, and σ is the standard deviation of the Celtics' scores. Substituting the given values, we have:

z = (101.7 - 99.2) / 10.5 = 0.2381

Next, we find the proportion of scores greater than the Lakers' mean in the standard normal distribution table or using a calculator. Looking up the z-score of 0.2381 in the table, we find the proportion to be approximately 0.4069, or 40.69%.

what is 21 1/4% expressed as a fraction

Answers

[tex] p\%=\dfrac{p}{100}=p:100\\\\21\dfrac{1}{4}\%=\dfrac{21\cdot4+1}{4}=\dfrac{85}{4}\%=\dfrac{85}{4}:100=\dfrac{85}{4}\cdot\dfrac{1}{100}=\dfrac{85}{400}=\dfrac{85:5}{400:5}=\dfrac{17}{80} [/tex]

Answer:

the answer is 17/80 hope this helps

You exercised 24 hours each month for a year. How many hours did you exercise by the end of the year? You may be able to do the math mentally thanks to expanded notation and the Distributive Property.

Answers

Answer:

288 hours.

Step-by-step explanation:

You exercise 24 hours in 1 month.

There are 12 months in one year.

24 * 12 = 288

Therefore, you exercised 288 hours in one year.

Answer:

Calculation with Distribution

24 (1+1+1+1+1+1+1+1+1+1+1+1)

24*1+24*1+24*1+24*1+24*1+24*1+24*1+24*1+24*1+24*1+24*1+24*1

24+24+24+24+24+24+24+24+24+24+24+24

288 hours

You did 288 hours of exercise.

Calculation without Distribution

24(1+1+1+1+1+1+1+1+1+1+1+1)

24(12)

288 hours

You did 288 hours of exercise.

Step-by-step explanation:

The line which passes through the point (-1,2) and whose slope is undefined. Write it in slope intercept form

Answers

The only lines that have a slope that is undefined are vertical ones.

We can write this equation, which passes through (-1, 2) and has a slope of undefined.

x = -1 + 0
Or when simplified,
x = -1

Solve the equation -2.6b + 4 = 0.9b - 17

Answers

If you are solving for b:
-2.6b+4=0.9b-17 <subtract 4 from both sides
-4 -4
-2.6b =0.9b-21 <subtract 0.9b from both sides
-0.9b -0.9b
-3.5b = -21 <divide by -3.5
--------- ------
-3.5 -3.5

b=6

Sarah needs 11 bottles of water from the store. sarah can only carry three at a time. what's the minimum number of trips sarah needs to make to the store?

Answers

11/3 = 3 2/3....so the minimum number of trips would be 4

While hiding behind a bush, Chamara sees an ice cream truck and yelps in joy. Kevin, Justin, and Jason come running over to buy ice cream upon hearing Chamara yelp. The four of them each want an ice cream cone. Each ice cream cone is $4. The cones are each buy one get one half off. If they decide to split the cost evenly, how much do each of the boys pay?

Answers

so all four went to the ice-cream lady and got first 2 ice-creams, the lady said, "ok 4 bucks for the first one, and half-off the second, or 2 bucks".

so, for the first two cones, they didn't pay 4+4 bucks, they only paid 4+2 bucks, and for the next two cones, they paid the same.

so in total for the four cones they paid 4+2  and 4+2, or 12 bucks.

how many times do 4(boys) go into 12(total)?   12/4.

An item on sale costs 95% of the original price. if the original price was $60 , what is the sale price?

Answers

60×95%
=$57
The sale price is $57.

20 POINTS TO WHOEVER ANSWERS THIS FIRST

Translate the word phrase into a math expression

12 meters longer than his throw
A.T / 12
B. 12 x T
C. T - 12
D. T + 12

Answers

D. 12+T
^^^^^^^^^^^^^
Lets say his throw = t

12 meters longer than his throw  
12 longer than t   (longer than probably means you need to add)

Answer: t + 12

WILL GIVE BRAINLIEST HELP ASAP

Answers

I think the answeris C. Because the root of 9 is 3, he shouldn't have chosed 4 to estimate 9.

What's the answer to blank plus 33 equals 5?

Answers

? + 33 = 5
-28 + 33 = 5

The attendance at a ball game was 400 people. student tickets cost $2 and adult tickets cost $3. if $1050 was collected in ticket sales, how many of each type of tickets were sold

Answers

They sold 150 student tickets and 250 adult tickets. Hope this helps!

Year (X) =2000 2001 2002 2003 2004
Cost in Dollars(Y) = 56.25 74.30 122.75 200.00 308.50

The table shows the cost of a game from 2000 to 2004, which has been increasing in a quadratic fashion. Let x = 0 in 2000, and find the best-fit quadratic equation. What will game cost in 2010?
A) $417
B) $746
C) $960
D) $1,586

Answers

Answer-

The best-fit quadratic equation is  [tex]y=14.9786x^2+3.1057x+56.2771[/tex] and the game cost in 2010 will be $1586

Solution-

Plotting a table taking year as input variable and cost as output variable.

X= year - 2000    

Y= cost in dollar.

Quadratic equation formula,

[tex]y=ax^2+bx+c[/tex]

[tex]a=\frac{(\sum x^2y\sum xx)-(\sum xy\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}[/tex]

[tex]b=\frac{(\sum xy\sum x^2x^2)-(\sum x^2y\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}[/tex]

[tex]c=\frac{\sum y}{n}-b\frac{\sum x}{n}-a\frac{\sum x^2}{n}[/tex]

Where,


[tex]\sum xx=\sum x^2-\frac{(\sum x)^2}{n}[/tex]

[tex]\sum xy=\sum xy-\frac{\sum x\sum y}{n}[/tex]

[tex]\sum xx^2=\sum x^3-\frac{\sum x\sum x^2}{n}[/tex]

[tex]\sum x^2y=\sum x^2y-\frac{\sum x^2\sum y}{n}[/tex]

[tex]\sum x^2x^2=\sum x^4-\frac{(\sum x^2)^2}{n}[/tex]

Putting the values, we get

[tex]a=14.9786,b=3.1057,c=56.2771[/tex]

Putting these in the quadratic equation,

[tex]y=14.9786x^2+3.1057x+56.2771[/tex]

In order to  get the cost of game in 2010, we can put x=10 to get the value of y or the cost of game.

[tex]y(10)=14.9786(10)^2+3.1057(10)+56.2771=1585.1941 \approx 1586[/tex]


I have another Brainliest

Answers

The answer is $596.40 
Hoped this helped 
told you I would answer the question! 

The measure of angle b is three times the measure of angle
a. the sum of the angle measures is 128°. find the value of x.

Answers

You should ask your parent/guardian
 or teacher if needed! Merry Christmas!

Which term applies to numbers that cannot be written in this form a/b

Answers

Assuming 'a' and 'b' are integers, with b as nonzero, then a/b is known as a rational number. The term "ratio" is buried in "rational". A ratio is effectively a fraction of two values so that's a good way to remember the term. Some examples of rational numbers are 2/3 or 4/9. Whole numbers are rational because something like 7 is the same as 7/1

Any numbers that cannot be written as a ratio of whole numbers, we consider them irrational (aka opposite of rational, or not rational). Something like pi = 3.14 or sqrt(2) = 1.414 are irrational as we cannot express them in the form a/b. We can get close but not exact. 

In summary, the answer is irrational

To find a baseball pitcher's earned run average (ERA), you can use the formula Ei = 9r, in which E represents ERA, i represents the number of innings pitched, and r represents the number of earned runs allowed. Solve the equation for E. What is a pitcher's ERA if he allows 57 earned runs in 63 innings pitched? If necessary, round your answer to the nearest hundredth.

Answers

Ei = 9r
E = (9r) / i

E = (9 * 57) / 63
E = 513/63
E = 8.14 <==

True or false?

this is the equation of a horizontal hyperbola (y-2)^2/16-(x+1)^2/144=1

Answers

it's going to be false my man

False, the given equation of hyperbola is vertical hyperbola.

What is hyperbola?

Hyperbola is defined as a conic section, two-branched open curve, produced by the intersection of a circular cone.

[tex]\frac{(y-2)^2}{16} -\frac{(x+1)^2}{144}=1[/tex]

Simplify each term in the equation in order to set the right side equal to 1

The standard form of an ellipse or hyperbola requires the right side of the equation be 1

This is the form of a hyperbola. Use this form to determine the values used to find vertices and asymptotes of the hyperbola.

[tex]\frac{(y-k)^2}{a^2} -\frac{(x-h)^2}{b^2}=1[/tex]

Match the values in this hyperbola to those of the standard form. The variable

h represents the x-offset from the origin,

k represents the y-offset from origin, a.

a=4

b=12

k=2

h=−1

c, the distance from the center to a focus  4√10

The foci is (−1,2+4√10),(−1,2−4√10)

Hence, the hyperbola is vertical.

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A box contains 10 cups of pancake mix. You use 23 cup each time you make pancakes. How many times can you make pancakes?

Answers

You can make pancakes twice, and you will have 3/10 of a cup of pancake mix. First, divide 23 and 10, then you will get 2.3.

Answer:

PANCKACKES

Step-by-step explanation:

How long does it take to go 20 miles at 70 mph?

Answers

Since distance = rate × time
20 miles = 70 miles per hour × time
Divide both sides by 70 miles per hour!
[tex] \frac{2}{7} hours[/tex] = time

Which is about 17 minutes...

Angle a and angle b are complementary . angle a= 5x+2 degrees find angle b

Answers

Attached the solution and work.

The graph shows the altitude of a helicopter over time.
A graph measuring altitude and time. A line runs through coordinates (0, 10,000) and (15, 4000) and shows a decrease in altitude as time increases What is the slope of the line and what does it mean in this situation?

a. The slope is –2000 . This means that the helicopter descends 2000 ft each minute.

b. The slope is –400 . This means that the helicopter descends 400 ft each minute. The slope is 400. This means that the helicopter ascends 400 ft each minute.

c. The slope is 2000. This means that the helicopter ascends 2000 ft each minute.

Answers

b. The slope is  - 400. This means that the helicopter descends 400 ft each minute. The slope is 400. This means that the helicopter ascends 400 ft each minute.

What are lines and their slopes?

We know lines have various types of equations, the general type is

Ax + By + c = 0, and equation of a line in slope-intercept form is y = mx + b.

Where slope = m and b = y-intercept.

the slope is the rate of change of the y-axis with respect to the x-axis and the y-intercept is the (0,b) where the line intersects the y-axis at x = 0.

This situation is mathematically represented as a line and slope.

Points  (0, 10,000) and (15, 4000).

We know slope(m) = (y₂ - y₁)/(x₂ - x₁).

Slope(m) = (4000 - 10000)/(15 - 0).

Slope(m) = - 6000/15.

Slope(m) = - 400.

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