Find the zeros of the following functions algebraically.
CAN SOMONE HELP ME ASAP

Answer:

68 acres per day

Step-by-step explanation:

34 acres per day × 2 days = x

34 × 2 = x

x = 68 acres per day

Hope this helps!

Answer:

68 acres

Step-by-step explanation:

34 acres= 1 day

x=2 days

x=68 acres

they can plant 68 in 2 days

A mean is the average of set of values such that the values hold different levels of importance.

Mean can be defined as the mathematical average of a group or set of numbers.

It is also the most common value in a collection of numbers.

The formula for determining the mean of a group of data is;

Mean = sum of terms/number of terms

An important and distinct property of the mean is the inclusion of every value in a given set of data of the calculation.

Also, both discrete and continuous data are used in determining the mean.

Thus, a mean is the average of set of values such that the values hold different levels of importance.

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Answer:

C. 4.83

Step-by-step explanation:

60/72 = 0.83333333

so the answer is 4.8333333

Answer: -32+5√6

Step-by-step explanation:

(3√3 - 5√2) (2√3 + 5√2)=

(3√3 * 2√3) + (3√3 * 5√2) - (5√2 * 2√3) - (5√2 * 5√2) =

(3*2*√3*√3) + (3*5*√3*√2) - (5*2*√2*√3) - (5*5*√2*√2)=

6*3 + 15*√(3*2) - 10*√(2*3) - 25*2=

18+15√6-10√6-50=

18-50+(15-10)*√6=-32+5√6

Check the picture below.

Answer:

g

Step-by-step explanation:

Given the total spent on buying favors = 2.03 $

Let the number of favors she bought = x

let the amount of each favor = y

She bought favors for less than 10 be

x < 10

The amount she spent can be written as  

x * y = 2.03

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Answer:

Fruit Juice = 24 litres

Lemonade = 16 litres

Step-by-step explanation:

So, the ratio: [tex]3:2[/tex] really just means: "for every every 3 litres of fruit punch, there is 2 litres of lemonade.

Or in other words, every 3 litres of fruit punch, the entire mixture of both fruit punch and lemonade will be 5 litres, since there is 3 litres and 2 litres.

So dividing the 40 litres, by this 5 litres, we get 8. So we know there will be "8" of 3 litres of fruit punch, and "8" of 2 litres of lemonade.

Thus there will be 24 litres of fruit punch, and 16 litres of lemonade.

Answer:

48x^2 - 48x + 38

Step-by-step explanation:

To get the composite function first understand the process of which a function inside another operates.

First solve one step at a time by trying to evaluate the inside before evaluating the outside using substitution.

For instance, h(g(f(x))) is the h function of g function of f.

Since f(x) is the inner component of the composite function, replace the x of g with the value of f(x).

Such that g(x) = 3x^2 + 5 → 3(f(x))^2 + 5 →

3(2x - 1)^2 + 5 → 3(2x - 1)(2x - 1) + 5 [foil] → 3(4x^2 - 4x + 1) + 5 → 12x^2 - 12x + 3 + 5 →

12x^2 - 12x + 8

Thus g(f(x)) = 3(f(x))^2 + 5 = 12x^2 - 12x + 8.

Finally to compute h(g(f(x))), using the process from the first composite function, same can be applied here:

Since h(x) = 4x + 6 →

h(g(f(x))) =

h(12x^2 - 12x + 8) =

4(12x^2 - 12x + 8) + 6 [distribute] →

48x^2 - 48x + 32 + 6 [combine like terms] →

48x^2 - 48x + 38

Hi there!

From the given conditions:

[tex]1→1 ⟹1 \times 1 = 1[/tex]

[tex]5→7⟹ 5 \times 7 = 35[/tex]

[tex]8→11 ⟹8 \times 11 = 88[/tex]

[tex]9→4 ⟹9 \times 4 = 36[/tex]

[tex]10 →2 ⟹10 \times 2 = 20[/tex]

Sum = 180, no. of customers = 25

[tex]average = \frac{sum}{no.ofcustomers} [/tex]

[tex] ⟹ \frac{180}{25} = 7.2[/tex]

Therefore, on average, the satisfaction rating of the landscape company was 7.2

The yard is 6 meters wide by use of Pythagoras crossing the diagonal to create a rectangular triangle.

The formula for the Pythagoras theorem is written as c2 = a2 + b2, where c is the hypotenuse of the right triangle and a and b are its other two legs. As a result, to generate a Pythagoras triangle, the Pythagoras equation can be used to any triangle with one angle that is precisely 90 degrees.

d² = l² + w²

d = 10

l = 8

Solving for w, the width is

w² = d² - l²

So, we can replace the values with d = 10 and l = 8, to get

w² = 10² - 8²

w² = 100 - 64

w² = 36

w = 6

Hence the width of the yard is 6.

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The chicken will weigh 3 pounds when it is 10,000 miles from the earth's center.

There are two types of proportions.

1) Direct Proportion - shows the direct relationship between two quantities. It can be represented by the equation y = kx. As one quantity increases, the other quantity also increase.

2) Inverse Proportion - describes the indirect relationship between two quantities.  It can be represented by the equation y = k/x. As one quantity increases, the other quantity decreases.

According to the problem, a body’s weight varies inversely with the square of its distance from the center of the earth.

y = k/x

let y = a body's weight

x = square of its distance from the center of the earth

Solving for the proportionality constant, k.

y = k/x

12 = k / (5000^2)

k = 12 x 25, 000, 000

k = 300, 000, 000

The equation for the relationship in the problem can now be represented by:

y = 300,000,000/x

where

y = a body's weight

x = square of its distance from the center of the earth

Evaluating the new equation where x = square of 10,000:

y = 300,000,000/x

y = 300,000,00/(100,000,000)

y = 3

Hence, the chicken will weigh 3 pounds when it is 10,000 miles from the earth's center.

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The expression is [tex](x - \sqrt{6} )^{n}[/tex] , n = 1, 2, 3....

Polynomial expression:

A polynomial expression is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables.

It is given that

x = √6

x - √6 = 0

[tex](x - \sqrt{6} )^{n}[/tex] where n = 1,2,3.....

Therefore the expression of the polynomial given roots is [tex](x - \sqrt{6} )^{n}[/tex] .

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the range of possible profits, in dollars, is given by the inequality:

-13 < y < 86

We know that the linear equation:

y = 11*x - 200

Shows the profit for selling x pokemon cards.

We know that he sells more than 17 and less than 26, then:

17 < x < 26

Then the minimum profit is:

y = 11*17 - 200 = -13

The maximum profit is:

y = 11*26 - 200 = 86

We conclude that the range of possible profits, in dollars, is:

-13 < y < 86

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Answer: Explanation

Step-by-step explanation:

For #1 first we have to convert all of the fractions to have the same denominator by finding the LCM(Least Common Multiple), which is 60. 1/4=15/60, 1/5=12/60, and 1/3=20/60. Then you add them up and get 47/60. You take that fraction and multiply it by 850 to get about 665.83, which is the estimate.

As for #2, I don't know sorry, I think you can just draw different lengthed lines to show the different distances traveled.

For #3 its 850/9 which is about 94.44

#4 I would recommend stopping through the night because they have about 184 miles to go and since they would only complete about 94 of those miles and would still have to drive tomorrow, they might as well do it all tomorrow.

Answer:

(x,y,z) = (1,1,4)

Step-by-step explanation:

[tex]A: -2x + 3y - z = -2\\B: 3x+y=4\\C: -2y+2z=4\\[/tex]

[tex]Solve\ B\ for\ y: y = 4-3x\\Solve\ C\ for\ z: 2z=4+2y\ \ z=2+y\\Substitute\ B_y\ into\ C_z: z = 2+4-3x\ \ z=6-3x\\Substitute\ B_{y\ in\ terms\ of\ x}\ and C_{z\ in\ terms\ of\ x} into A: \\-2x + 3(4-3x) - (6-3x) = -2\\Distribute: -2x + 12-9x-6+3x=-2\\Combine\ Like\ Terms\ on\ either\ side: -2x-9x+3x=-2-12+6\\Factor\ out\ x\ and\ perform\ arithmetic\ on\ right: x(-2-9+3) = -8\\Perform\ Arithmetic: x(-8)=-8\\Divide:x=1[/tex]

[tex]Plug\ x\ into\ B_y: y=4-3(1)\\Perform\ Arithmetic: y=1\\Plug\ y\ into\ C_z: z=2+2(1)\\Perform\ Arithmetic: z=4[/tex]

Answer:

n=-2/3

Step-by-step explanation:

2/3n + 3/2n = -13/4

Make 2/3n and 3/2n into 4/6n and 9/6n so you can add them together.

13/6n = -13/4

Divide both sides by 13/6

n=-2/3

^ i hope thats what you were asking for :)

Answer:

Step-by-step explanation:

A common monomial factor is a single-term polynomial that divides into each term of a given polynomial evenly.

The zeroes of the function f(x) = x⁴ - 3x³ - 4x² are x = -1 , 0 , 4.

The zeroes of a function are the x - intercepts (the points where the graph cuts the x - axis) of the graph of the function f(x).

Given is a function f(x) as → f(x) = x⁴ - 3x³ - 4x²

In order to find the zeroes of the function → f(x) = x⁴ - 3x³ - 4x², we will plot the graph of the function. The graph is attached at the last. We can see that the graph cuts the x - axis at three coordinates → (- 1, 0) , (0, 0) , (4, 0). The x - intercepts will be → -1, 0, 4.

Therefore, the zeroes of the function f(x) = x⁴ - 3x³ - 4x² are x = -1 , 0 , 4.

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Answer:

46 miles

Step-by-step explanation:

First, set up an equation:

(48 + 58 + 68 + 50 + x) ÷ 5 = 54

Add the miles in the parentheses:

(48 + 58 + 68 + 50 + x) ÷ 5 = 54

48 + 58 + 68 + 50 = 224

(224 + x) ÷ 5 = 54

Multiply by 5 on each side:

[(224 + x) ÷ 5] × 5 = (54) × 5

(224 + x) = 270

Subtract 224 on each side to isolate x:

(224 + x) - 224 = (270) - 224

x = 46 miles

Hope this helps! I'd appreciate brainliest but if not that's fine!

The product should have a 1 significant digit.

When multiplying Scientific notations, the significant figure of the final result must be approximated to the scientific notation that has the least decimal place.

From the question given, if we 4.5160 x 10^3, 2.09 x 107, and 5.8 x 10^3 are multiplied, the product should have 1 significant digits since the least decimal value that occur in question is 1dp

Hence the product should have a 1 significant digit.

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The probability that the 3 outcome of numbers obtained are three consecutive numbers is 1/9.

The probability of an event occurring is calculated by dividing the amount of favourable outcomes by total number of possible outcomes.

Now, as per the given question;

To address your point, if the three numbers seem to be different, there are 3! = 6 different orders in which they could have been placed.

As a result, the solution to the question;

= (2/3)×(1/6)×(1/6)×6

= (2/3)(1/6)

= 1/9.

Therefore, the probability of getting the three consecutive number is 1/9.

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The point is rotated 90° counterclockwise. The algebraic rule for rotation of 90° counterclockwise is (x, y)→(-y, x) .

Rotation of a graph is a transformation where the graph is rotated about a fixed point.

The given point is M(6,8) . The figure is rotated counterclockwise to get the image M'(-8,6).

Now we have to calculate the degree of rotation of the point.

M(6,8) lies in the first quadrant and M'(-8,6) lies in the second quadrant.

Therefore the rotation is less than 180° .

Now from the figure attached below we can say that the figure was rotated 90°

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The number of fiction books in the library are 324, as found by unitary method.

A single unit's value can be determined from the values of multiple units, and multiple units' values can be determined from the values of single units using the unitary method.

Given: There are 5 non-fiction books for every 9 fiction books. Total 130 non-fiction books are there in the library.

To find: number of fiction books.

Finding: By unitary method, For every 5 non-fiction books, there are 9 fiction books.

For every 1 non-fiction book, there are 9/5 fiction books.

For every 130 non-fiction books, there are 9/5 × 130 = 324 fiction books.

Hence, The number of fiction books in the library are 324, as found by unitary method.

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(COMPLETE QUESTION:in a small library there are 5 nonfiction books for every 9 fiction book there are 130 nonfiction book. How many fiction books are there in the library?)

Hence , the coordinate of midpoint of line CD is (17 , 23) .

We have given two coordinate C (24, 18) and D(10, 28) .

Let M be the midpoint of line CD having coordinate (x,y) .

Using midpoint formula , we get

[tex](x,y) = ( \frac{24+10}{2} ,\frac{18+28}{2} )\\\\(x,y) =( \frac{34}{2} ,\frac{46}{2} )\\\\(x,y) =( 17 ,23 )[/tex]

On comparing , we get coordinate (17 , 23) .

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Answer:

0.10x + 0.13y = 10780

x + y = 100000

x = 74000 --------------10%

y = 26000 --------------13% (more risky)

The mean time that a certain model of light bulb will last is ​hours is 900 hours and the required percentage of bulbs is 2.5%

Here,

x is the time that a certain bulb will last.

(in houses.

μ=900 hours;

σ=1200 hours.

The standardized value for a light bulbs lasts 1100 hours, is,

z=x-μ/σ

z=1100-900/100=2

We know, for a bell-shaped distance, Approximately,

68% of the data falls within M-uσ;

By rule (ii), here,

95% of the data falls within (μ-2σ,u+2σ)

(900-2x100,900+2x100)

(700,1100)

So (100-95=5%) falls outside of (700,1100)

Since, the distance is symmetric (i.e. bell-shaped); we find the percentage of bulbs that is expected lo lase longer than 1100 hours, is

5/2% =2.5%

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(a) The equation to find x is :  (6x)°  + (x-8)°  = 90°

(b) The degree measure of the  complementary angles, m∠1 = 84° and m∠2 = 6°

Complementary angles are two angles whose sum is 90 degree.

Given are two complementary angles ∠1 and ∠2 whose measures are given m∠1 = (6x)° and m∠2 =(x-8)°

From the given figure we can see that sum of  ∠1 and ∠2 is 90°, which means they are complementary.

m∠1 + m∠2 = 90°

And  (6x)°  + (x-8)°  = 90°

Or      6x +x-8 = 90

7x = 90+8

7x= 98

x= 98/7 =14

Then m∠1 = (6x)° = (6*14)° = 84° and m∠2 = (x-8)° = (14-8)° = 6°

Therefore, The equation to find x is (6x)°  + (x-8)°  = 90° and measure of the  complementary angles, m∠1 = 84° and m∠2 = 6°

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Using a linear function, it is found that Tamara will need to order a new bag after 46 days.

A linear function is modeled according to the following rule:

y = mx + b

In which:

The slope and the intercept in the context of this problem are given as follows:

Hence the weight of the bag after d days is given by:

W(d) = 20 - 0.4d.

He needs to order a new bag when W(d) = 1.6, hence:

1.6 = 20 - 0.4d.

0.4d = 18.4

d = 18.4/0.4

d = 46 days.

Hence she needs to order the new bag in 46 days.

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