Please help! I don’t understand what I need to do!

Answer: (3x-2)(3x+2)

I knew the answer it was just hard to explain all of it. Sorry if this doesn't help

The probability of each outcome in the sample space = 1/16

The probability of getting a sum of 5 = 1/4

Step-by-step explanation:

We have been given a four-sided die is a pyramid whose four faces are labeled with the numbers 1, 2, 3 and 4

sample space = {(1,1), (1,2), (1,3), (1,4), (2,1),(2,2), (2,3), (2,4),(3,1), (3,2), (3,3), (3,4), (4,1), (4,2), (4,3), (4,4)}

Two fair 4-sided dices are rolled and all sixteen possible outcomes are equally likely.

The possible outcomes can be deduced by making combinations of different faces with a particular face.

given that each of the outcomes in the sample space is equally likely. So the probability of each outcome in the sample space is the same.

now we find the probability of each of the outcomes in the sample space

(a) when two dices are rolled, we have n(s) = 4*4=16

the chances of getting the outcome as (1,1) n(a) = 1

the probability of getting the outcome as (1,1) p(a)= n(a)/n(b)

p(a) = 1/16

so the probability of each outcome in the sample space = 1/16

(b) P(A) is the probability of getting 5 as a sum

   P(A) = Total outcomes with 5 as a sum/Total outcomes

  Total outcomes with 5 as sum= 4

  Total outcomes= 16

  P(A)=4/16=1/4

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The length of each side of the playground is 150 feet.

From the question, we are to determine the length of each side of the playground.

From the given information,

The perimeter of a square is given by the formula,

P = 4l

Where P is the perimeter of the square

and l is the length of a side of the square

"The playground at DeVille Elementary School is square-shaped, and has a perimeter of 600 feet."

That is,

P = 600 feet

Now, we will determine the value of l

Substitute the value of P into the equation

P = 4l

600 = 4l

Divide both sides by 4

600/4 = 4l/4

150 = l

Therefore,

l = 150 feet

Hence, the length is 150 feet

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Coordinate rule for the composition is w(-1,-2) → s(-1-1,-2-4) → s(-2,-4) , x(-2,0) → t(-2+0,0+2) → t(-2,2), y(1,2) → u(1+1,2+2) → u(2,4) , z(1,-1) → v(1+3,-1+1) → v(4,0).

Given:

w x y x has vertices w(-1,-2) , x(-2,0), y(1,2) and z(1,-1).

s t u v has vertices s(-2,-4) , t(-2,2) , u(2,4) and v(4,0).

The coordinate rule for transformation is:

w(-1,-2) → s(-1-1,-2-4) → s(-2,-4)

x(-2,0) → t(-2+0,0+2) → t(-2,2)

y(1,2) → u(1+1,2+2) → u(2,4)

z(1,-1) → v(1+3,-1+1) → v(4,0)

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The area of the square is (x²/2) square units.

We are given a square. The length of the diagonal of the square is x units. We have to find the area of the square in terms of "x".

Let the side of the square be denoted by the variable "s". We will use the Pythagorean theorem to find the length of the side of the square.

s² + s² = x²

2s² = x²

s² = x²/2

s = √(x²/2)

s = (x/√2)

The area of the square is given by the square of the side length. Let the area of the square be denoted by the variable "A".

A = s²

A = (x/√2)²

A = x²/2

Hence, the area of the square is (x²/2) square units.

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Given system has no solution.

The correct answer is an option (D)

In this question, we have been given the graph of system of equations.

The solution of given system is the point of intersection of all lines.

We can observe that the graph of any two lines intersected at points (2, -1), (-2, 3) and (0, 3)

But there is no common point of intersection for given system.

This means, the system has no solution.

Therefore, the given system has no solution.

The correct answer is an option (D)

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Answer:

6 video games

Step-by-step explanation:

We can solve this question with an algebraic equation.

29.95x + 5.95 = 185.65

29.95x + 5.95 - 5.95 = 185.65 - 5.95

29.95x ÷ 29.95 = 179.7 ÷ 29.95

x = 6

Answer:

though the answers are scattered but I worked them all , just patiently study it.

The value of x for the given triangle is 4.5

A triangle is a geometric figure with three edges, three angles and three vertices. It is a basic figure in geometry.

The sum of all three angles of a triangle is always 180°

In the given triangle ABC,

∠A=(9x+16)°, ∠B=(6x+15)°

And the extrior angle ∠C=(19x+3)°

Use the external angle property,

The sum of two interior angles is equal to an exterior angle.

Therefor,

∠C=∠A+∠B

(19x+3)°=(9x+16)°+(6x+5)°

19x+3=15x+21

4x=18

x=4.5

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a) An equation that models the amount of storage as a function of the number of songs is y = -0.005x + 16

b)  Slope of the equation is -0.005 and the intercept of the equation is 16

Slope intercept form

Slope intercept form presents the graph of a straight line and is represented in the form of

y = mx + c.

where

y = y coordinate

m = slope

x = x coordinate

b = y intercept

Given,

Here we have the  table shows the amount of storage y (in gigabytes) on a music-playing device when there are x songs on the device

Now, we have to find the following:

a) Equation of the table

b) Slope and intercept.

In order to find the equation, we have to identify the slope an intercept of the table.

So, to find that we have to take two points from the table.

Then the selected points are

(0, 16), (242, 14.8)

By using these point we have to calculate the slope as,

m = (14.8 - 16) / (242 - 0)

m = -1.2/242

m = -0.005

Now, the intercept is calculated by using the point (0, 16) and the slope -0.005, then we get,

16 = -0.005(0) + c

c = 16

Therefore, the equation is y = -0.005x + 16.

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The following are the answers:

a) 7 / (2a)³

b) 1/(4m)³ + 10³

c) (5a)³ - (4b)³

d) 1/(3x)³ + 1/(5y)³

e) (0.5x - 0.6y)²

f) (-a - 0.3)²

g) ((3/4)²a² + (2/3)²a)²

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

a)

(8 - 1) / 8a^3

= 7 / (2a)³

b)

1/64m^3 + 1000

= 1/(4m)³ + 10³

c)

125a^3 - 64b^3

= (5a)³ - (4b)³

d)

1/27x^3 + 1/125y^3

= 1/(3x)³ + 1/(5y)³

Now,

Polynomial is an expression of writing with more than one term.

We will write it in the form of:

(a + b)² = a² + 2ab + b²

(a - b)² = a² - 2ab + b²

e)

0.25x^2 - 0.6xy + 0.36y^2

= (0.5x)² - 2 x 0.5 x 0.6 + (0.6y)²

= (0.5x - 0.6y)²

f)

-a^2 + 0.6a - 0.09

-a² - 2 x (-a) x 0.3 - (0.3)²

= (-a - 0.3)²

g)

9/16a^4 + a^3 + 4/9a^2

((3/4)²a²)² + 2 x (3/4)²a² x (2/3)²a + ((2/3)²a)²

= ((3/4)²a² + (2/3)²a)²

Thus,

The following are the answers:

a) 7 / (2a)³

b) 1/(4m)³ + 10³

c) (5a)³ - (4b)³

d) 1/(3x)³ + 1/(5y)³

e) (0.5x - 0.6y)²

f) (-a - 0.3)²

g) ((3/4)²a² + (2/3)²a)²

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The equation of the line in point slope form is as follows:

Linear equation can be represented in different form such as point slope form, slope intercept form, standard form and general form.

Therefore, equation in point slope form can be represented as follows:

y - y₁ = m(x - x₁)

where

Therefore, let's find the point slope form of the lines.

1) through: (5, 4) and (-2, 5)

m = 5 - 4 / -2 - 5

m = 1 /- 7 = - 1 / 7

Therefore,

y - 4 = - 1 / 7(x - 5)

2) through: (4, -5) and (0, 2)

m = 2 + 5 / 0 - 4

m = 7 / -4 = - 7 / 4

Therefore,

y + 5 = - 7 / 4(x - 4)

3) through: (0, 4) and (2, 1)

m = 1 - 4 / 2 - 0

m = - 3/ 2

Therefore,

y - 4 = - 3 / 2(x - 0)

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The expression equivalent to the expression -90 - 60w is -30(3 + 2w),  (-9 - 6w)10 and  -20(4.5 + 3w)

We need to find the expressions that are equivalent to given expression

We solve the expression and check,

A) -30(3 + 2w)

-90 - 60w

Yes it is equivalent.

B) (-9 - 6w)10

-90 - 60w

Yes it is equivalent.

C) -3(30 - 20w)

-90 + 60w

No it is not equivalent.

D)(6 + 4w)15

90 + 60w

No it is not equivalent.

E) -20(4.5 + 3w)

-90 - 60w

Yes it is equivalent.

Therefore, The expression equivalent to the expression -90 - 60w is -30(3 + 2w),  (-9 - 6w)10 and  -20(4.5 + 3w)

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The amount of money that would be in the account after 9 years, giving the interest rate and the amount invested is $23, 777.52

The amount in the account after 9 years is called the future value of the amount that Serenity invested.

To find this future value, you use the future value formula which is:

= Amount invested x ( 1 + interest rate) ^ number of years

The amount in the account after 9 years would therefore be:

= 16, 000 x ( 1 + 4.5%) ⁹

= $23777.52224662808994653125

= $23, 777.52

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If R and S are parallel lines and ∠1= 4x-3 and ∠7= 3x+4, The measure of ∠2 will be 179.

When two lines or rays converge at the same point, the measurement between them is called an "Angle."

It is given that, R and S are parallel lines and <1= 4x-3 and <7= 3x+4,

From the given figure it is obtained that R and S are parallel lines,

∠1=∠7

4x-3=3x+4

4x-3x=4+3

7x=7

x=1

If the ∠1 and ∠2 are supplementary,

∠1+∠2=180

4x-3+∠2=180

∠2=180-4x+3

Substitute the value of x,

∠2=180-4(1)+3

∠2=179

Thus, if R and S are parallel lines and ∠1= 4x-3 and ∠7= 3x+4, The measure of ∠2 will be 179.

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Evaluated expression of the given mathematical expression is (9+2gh+5g)/g.

Given the mathematical expression is 9/g + 2h + 5.

So, now the LCM (g,1,1) = g

So evaluating the given expression we get,

9/g + 2h + 5 = (9+2gh+5g)/g

Hence the evaluated expression is (9+2gh+5g)/g .

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Answer:

38 songs in each group.

Step-by-step explanation:

Alexander has 418 songs on his MP3 player. he divides the songs into 11 equal groups. About how many songs are in each group. (round the numbers)

418/11 = 38 songs in each group.

The account balance after 10 years is $7200.

It should be noted that simple interest is calculated as:

= (Principal × Rate × Time) / 100

= ($3000 × 1.4 × 10) / 100

= $4200

The total amount that will be in the account will be:

= Principal + Interest

= $3000 + $4200

= $7200

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3x(2x+1)-8(2x+1)

6x²+3x-16x+16

6x²+13+16

Answer: 7.6

Step-by-step explanation:

19÷100×40 which will give you 7.6

Richard earned a cumulative GPA of 2.5 in all four semesters.

Here, we know that the cumulative GPA for the first 3 semesters is 2.0

He had earned 42 credits in total in all three semesters.

Cumulative GPA = Total points earned/credits rewarded

Hence,

Total points earned in 3 semestes= 2 X 42

= 84 points

In the fourth semester,

he had earned 14 credits with a GPA of 4.0

Hence total points earned = 4 X 14

= 56 points

Therefore, total points earned in all four semesters = 84 + 56 points

140 points

Total credits = 14 + 42

= 56

Hence, the cumulative GPA of all 4 semesters

= 140/56

= 2.5 points.

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The required graph of the given line y = -(2/3)x + 1 is shown in the attached figure.

The equation of the line is given in the question as:

y = -(2/3)x + 1

First, we have to find the intercepts of the equation y = -(2/3)x + 1

The y-intercept is the value of y when the value of x is appropriately zero.

For x = 0

y = -2/3(0)+1

y = 1

The y-intercept is the point where (0.1)

Determine the x-intercept.

The x-intercept is the value of x when the value of y equals zero.

For y = 0

0 = (-2/3)x + 1

-1 = (-2/3)x

x = 3/2 or 1.5

The y-intercept is the point (1.5,0).

To graph, the line, draw the intercepts and connect the dots as indicated in the image.

As a result, the graph for the line y = -(2/3)x + 1 is provided below.

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Answer:B

Step-by-step explanation:no points on be colide with each other on either axis

Answer:

Step-by-step explanation:

Hi,  you are studying trigonometry :P  nice  

conterminal means stopping at the same place, right?  sooo what is the same place for 659°  compared to our only once around the circle of 360°   since 720° is twice around a circle our 659° is less than that so just subtract 360° from 659° to get the co-terminal angle.

659-360=299°

299° is the co-terminal angle

270 is the line between the 3rd and 4th quadrant,  so this is definitely in the 4th quadrant.

let's just count backwards (CW) from zero degrees till we get to our 299° angle going in the forward (CCW) direction.    so 299-360= -61°

the reference angle is 61°

Does all of this make sense?  :/  

Answer:

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the question is already answerd by Yna9141

here is his text:

The average of the certain set of data can be calculated by dividing the sum of the given numbers/data by their count.

(a) In this item, we are given with: -0.05, 0.09, -0.04, -0.08

Their sum is as follows:  

                S = (-0.0.5) + (0.09) + (-0.04) + (-0.08)

                  S = -0.08

Then, divide the sum by 4.

                  M = -0.08 / 4 = -0.02

b. The answer to this question can be calculated through the equation below,

                    M₂ = (S + F) / 5

Substituting the known values,

                 -0.01 = (-0.08 + F) / 5

the value of F is equal to 0.03.

Answer:

15a: -0.02 15b: 0.03

Step-by-step explanation:

15a.

To find the mean, you need to add the values together and divide by the number of values.

(-0.05+0.09+-0.04+-0.08)/4

Simplify:

(-0.05+0.09-0.04-0.08)/4

(-0.05+0.09-0.12)/4

(0.09-0.05-0.12)/4

(0.04-0.12)/4

-0.08/4

-0.02

15b.

let's say the change for Friday is "x"

insert the numbers and add in -0.08 from earlier:

(-0.08+x)/5=-0.01

rearrange (-0.08+x):

(x-0.08)/5=-0.01

multiply both sides by 5:

x-0.08=-0.05

add 0.08 to both sides:

x=0.03

Answer:

y = - x + 4

Step-by-step explanation:

Use point-slope form: y-k = m(x-h) for point (h,k) with slope m

now just plug and chug:

y-4 = -1(x-0)

y-4 = -x

y= -x+4

not sure about what you meant by "solution." Just gonna assume that you were looking for the equation.

Answer: Both p and q are 8cm long.

Step-by-step explanation:

BE created a similar triangle that is exactly half of the larger triangle.

So if BE is 4 and AE is 8 then we know that CD is 8 and AD is 16.

However we only need segment q which is half of AD so the answer is:

p=8 and q=8

;)