Given
n, find the value of x.

I think the answer is 109 but I’m not sure

Answer:Your answer would be -8 x - 17 y

Step-by-step explanation: x - 9 x would be - 8 x

                                               You would have to distribute the negative in the problem -(9 x- 8 y) which would make it -9 x +8 y and 9 y + 8 y is 17 y so there fore the answer is -8 x - 17 y

Answer:

342 ÷ 23 = 14.869565217 or 14 r 20

Check step-by-step explanation below for 2 methods to solve.

14.869565217 method right below

14 r 20 method at the bottom in bold and underlined

Hope this helps :)

Step-by-step explanation:

divisor

↓ ? <------ quotient

23 | 342 <------ dividend

remainder = r (the number that the divisor can't go into.

1) 23 goes into 34 one time, so we write the one on top.

1

23 | 342

2) 23 • 1 = 23 so then we subtract 23 from 34 and get 11.

1

23 | 342

- 23

1 1

3) Now we carry down the 2 and get 112.

1

23 | 342

- 23 ↓

1 1 2

4) 23 goes into 112 four times, so we write the four on top.

1 4

23 | 342

- 23 ↓

1 1 2

5) 23 • 14 = 92 so we subtract 92 from 112 and get 20.

1 4

23 | 342

- 23 ↓

1 1 2

- 92

20

6) 23 can't go into 20 so we add a decinal and a zero to 342 (dividend) and add a decimal to 14 too.

1 4.

23 | 342.0

- 23 ↓

1 1 2

- 92

20

7) Repeat the same steps again (Take the first digit of the dividend from the left. Check if this digit is greater than or equal to the divisor (if greater use it if less than take the next number). Then divide it by the divisor and write the answer on top as the quotient. Subtract the result from the digit and write the difference below. Bring down the next digit of the dividend (if present). Repeat the same process.)

1 4.8

23 | 342.0

- 23 ↓↓

1 1 2

- 92

200

- 1 84

16

8) Keep repeating and then we get 14.8695652174

*However, if the directions say to not continue and add the decimal and zero then we must put a remainer (r).*

1 4 r 20

23 | 342

- 23 ↓

1 1 2

- 92

20

Equation has no solution  is |4x-2|=-6

checking option A

|4x-2|=-6  . . . .1

if 4x-2≥0

  4x≥2

  x≥1/2

then |4x-2| = 4x-2

So , .. . . 1 becomes

4x-2=-6

4x=-4

x=-1

But x≥1/2

So x=-1 is not a solution.

if   4x-2≤0

  4x≤2

  x≤1/2

then |4x-2| = -(4x-2)

So , .. . . 1 becomes

-4x+2=-6

4x=8

x=2

but x≤1/2

So x=2 is not a solution.

checking option B

|-2-x| = 9  . . . 2

if -2-x ≥ 0

   x≤-2

then

|-2-x| = -2-x

So,  . . .. . 2 becomes

-2-x=9

x=-11

so it has a solution .

checking option C

|3x+61| = 6 . . . . . 3

if 3x+61≥0

x≥-61/3

then

|3x+61| = 3x+61

So, . . .3 becomes

3x+61=6

x=-55/3

So it has a solution.

checking option D

|-2x+8|=0 . . . . .4

if -2x+8≥0

x≤4

then  |-2x+8| = -2x+8

So , .. . . . .4 becomes

-2x+8=0

x=4

So it has a solution.

Hence option A |4x-2|=-6

has not a solution.

Sometimes equations have no solution. This means that no matter what value is plugged in for the variable, you will ALWAYS get a contradiction.

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Answer:

-2, S, U, V. that was a good question.

Step-by-step explanation:

Thanks. You are known.

Answer:

768

Step-by-step explanation:

The numbers are multiplying by 4 each time, Therefore the next number will be 768.

The measure of the length PQ is 7.2

Figures are known to be similar if the ratio of the sides is equal to a constant "k".

In order to determine the value of k, we will use the following ratio as shown:
AB/BC = PQ/QR

Substitute the given parameters

6/2 = x/2.4

Cross multiply

2x = 2.4(6)

2x = 14.4

x = 14.4/2

x = 7.2

Hence the measure of the length PQ is 7.2

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Answer:

Step-by-step explanation:

boy just include the unit rate of mph and make the question solvable as easy as that, or you could use the example and change the mph

Answer:

it 21

Step-by-step explanation:

rr

The area of the screen to the nearest square centimeter is 0.103 m².

Given, that the length of the computer screen is = 16 inches

width of the computer screen = 10 inches

we know that 1 inch = 0.0254 m

Width = 10 inches = 10 × 0.0254 m

= 0.254 m

Length = 16 inches = 16 × 0.0254 m

= 0.4064 m

By definition,

Area =  length × width

        = 0.254 × 0.4064 m²

        = 0.103 m²

hence we get the area of the computer screen as 0.103 m²

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The lengths of the scaled copy of rectangle is 18 inches by 30 inches .

Scaled by a factor : Whenever something is scaled by a factor it means that it is multiplied by that factor .

For Example , if 3  is scaled by a factor of 2 , means 3 is multiplied by 2 that is 3*2=6.

In the given question

length of rectangle = 3inches

it is scaled by factor of 6 , that means

length of scaled copy of rectangle = 3*6= 18inches.

breadth of the rectangle = 5 inches

it is scaled by factor a factor of 6 , that means

breadth of scaled copy of rectangle = 5*6 = 30inches.

Therefore , the lengths of the scaled copy of the rectangle will be 18inches by 30inches.

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The $785 balance on Dan's credit card is currently due. The APR on his credit card is 24.42%. He has to pay the full balance that is $785.2442.

Given that,

The $785 balance on Dan's credit card is currently due.

The APR on his credit card is 24.42%.

We have to find what finance fee would he pay if he didn't pay the balance in full.

To find the balance full he has to pay.

We have to add the balance of current due and APR .

We get,

=$785+24.42%

=$785+0.2442

=$785.2442

Therefore, he has to pay the full balance that is $785.2442.

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The amount that was invested at the start of the 3 years that is the principal amount will be equal to $ 6051.098.

Let the principal amount that is invested be equal to x.

So, we get that:

P = x

Now, the time period t = 3 years.

Simple interest rate = r = 3.85 %

Amount after 3 years = A = $ 6750

A = P + ( P × r × t / 100)

6750 = x + ( x × 3.85 × 3 / 100)

6750 = x + 0.1155 x

6750 = 1.1155 x

x = 6750 / 1.1155

x = 6051.098

Therefore, we get that, the amount that was invested at the start of the 3 years that is the principal amount will be equal to $ 6051.098.

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The fraction of the sweets that are blue given the ratios is 13/40.

A fraction is a non-integer that is made up of a numerator and a denominator. An example is 2/3. 2 is the numerator and 3 is the denominator.

Ratio shows the relationship between two or more numbers. It is the number of times that one value is contained in other value(s). Ratios are used to compare two or more numbers.

We would be assuming the numbers of sweet based on the given ratios.

The number of hard sweets = 30

The number of soft sweets = 50

Number of hard sweets that are blue = (1/5) x 30 = 6

Number of soft sweets that are blue = (2/5) x 50 = 20

Total number of blue sweets =20 + 6 = 26

Total number of sweets = 30 + 50 = 80

Fraction of blue sweets = 26/80 = 13 /40

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1. The line passing through (-14,-9) and (7,9) has the equation:

y = 6/7x + 3/2

2.The line passing through (0,-3) and (0,15) has the equation:

since the slope is undefined, hence equation of the line is not formed.

3.The line passing through (-24,-16) and (-8,-6) has the equation:

y = 5/8x - 1

4.The line passing through (-8,-12) and (12,13) has the equation:

y = 5/4x - 2.

Given we have the pair of points, through which we need to determine the equation of the line:

1.  (-14,-9) and (7,9)

first we need to find the slope

(-14,-9) = (x₁,y₁)

(7,9) = (x₂,y₂)

m= y₂₋y₁/x₂₋x₁

= 9-(-9)/7-(-14)

= 18/21

m= 6/7

Use the slope and one of the points to find the y-intercept b:

(7,9) and m= 6/7

substitute in y=mx+b

9=6/7(7) + b

b = 9/6

b= 3/2

now substitute m=6/7 and b= 3/2 in slope intercept form.

y = 6/7x + 3/2

2. (0,-3) and (0,15)

first we need to find the slope

(0,-3) = (x₁,y₁)

(0,15) = (x₂,y₂)

m= y₂₋y₁/x₂₋x₁

= 15-(-3)/0-0

= undefined

hence  we can't frame the equation of the line.

3.  (-24,-16) and (-8,-6)

first we need to find the slope

(-24,-16) = (x₁,y₁)

(-8,-6) = (x₂,y₂)

m= y₂₋y₁/x₂₋x₁

= -6-(-16)/-8-(-24)

= -6+16/-8+24

= 10/16

m= 5/8

Use the slope and one of the points to find the y-intercept b:

(-8,-6) and m= 5/8

substitute in y=mx+b

-6=5/8(-8) + b

b = -1

now substitute m=5/8 and b= -1 in slope intercept form.

y = 5/8x - 1

4. (-8,-12) and (12,13)

first we need to find the slope

(-8,-12) = (x₁,y₁)

(12,13) = (x₂,y₂)

m= y₂₋y₁/x₂₋x₁

= 13-(-12)/12-(-8)

= 25/12+8

= 25/20

m= 5/4

Use the slope and one of the points to find the y-intercept b:

(12,13) and m= 5/4

substitute in y=mx+b

13=5/4(12) + b

b = -2

now substitute m=5/4 and b= -2 in slope intercept form.

y = 5/4x - 2.

hence we get the acquired results.

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H = S/2πr + r or (S + 2πr²)/2πr simplified and solved for the value  S = 2πr² + 2πrh

Here given that S = 2πr² + 2πrh

Lets simply the equation

⇒ S = 2πr² + 2πrh

⇒ S = 2πr(r + h)

⇒ S/2πr = r + h

⇒ h = S/2πr + r or (S + 2πr²)/2πr

In mathematics, an equation is a formula that indicates the equality of two expressions by connecting them with the equals sign =.

The word equation and its cognates in various languages may have somewhat different definitions; for example, in French, an équation is defined as including one or more variables, whereas in English, an equation is any well-formed formula consisting of two expressions coupled with an equals sign.

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Answer:

34

Step-by-step explanation:

Answer:

  x = 21

Step-by-step explanation:

You are given expressions (x+63)° and (4x)° for alternate interior angles at a transversal crossing parallel lines. You want to know the value of x.

Where a transversal crosses parallel lines, alternate interior angles are congruent. That means ...

  (4x)° = (x +63)°

  3x = 63 . . . . . . . . divide by °, subtract x

  x = 21 . . . . . . . . . divide by the coefficient of x

An absolute value inequality for given graph is |x| ≤ 6

In this question, we have been given a graph of a number line.

We need to write an absolute value inequality for given graph.

From the given graph, we can observe that the value of x lies between -6 to 6.

i.e., -6 ≤ x ≤ 6

We know that, for a real number 'm', the absolute value function for m would be,

|±m| = m

So, -6 ≤ x ≤ 6

|x| ≤ 6, which is required inequality.

Therefore,  an absolute value inequality for given graph is |x| ≤ 6

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ABCD and ABEC are parallelograms becayse a parallelogram can be divided into congruent triangles of different orientations

The pre-image of the rotations are given as:

The image of the rotations are given as:

Notice that the triangles ABC and CDA have a common line segment AC, while the triangles ABC and ECB have a common line segment CB

The above is true, because the triangle is rotated by 180 degrees through its own midpoint

When the images of the rotations are viewed as a single shape, the view of the shape is a parallelogram

Because a parallelogram can be divided into congruent triangles of different orientations, then ABCD and ABEC are parallelograms

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Complete question

Triangle CDA is the image of triangle ABC after a 180º rotation around the midpoint of segment AC. Triangle ECB is the image of triangle ABC after a 180º rotation around the midpoint of segment BC.

Explain why ABCD and ABEC are parallelograms.

See attachment for image

From the data given, we have that:

1. The linear regression equation is given by:y = 0.69684x - 1.43675.

2. 21 users during the 32th week.

To find the equation, we need to insert the points (x,y), given in a scatter plot or in a table, in the calculator. We also have to identify the type of data that models the situation, such as linear, quadratic or exponential.

For this problem, the data is increasing somewhat linearly, hence linear regression is used.

The points of the function, from the table, are given as follows:

(1, 1.5), (4, 2.2), (6, 2.4), (10, 3.9), (12, 5.5), (15, 6.8), (20, 12.3), (24, 16.4), (25, 17.6).

Hence the the linear equation that models the data is:

y = 0.69684x - 1.43675

The value during the 32th week is found when x = 32, hence:

y = 0.69684(32) - 1.43675 = 21 (rounded up, as the first decimal digit is greater than 0.5).

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Answer: 54.9

Step-by-step explanation:

121 lb converted to kk is 54.885

54.885 rounded to the nearest tenth is 54.9

The component form of the given magnitude and direction is 7.4 +  6.7i.

To find the component form of  magnitude 10 and direction 42°:
component form = x + iy

Then,

Therefore, 7.4 + 6.7i is the component form of the given magnitude and direction

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Answer: 0

Step-by-step explanation: the slope intercept form is y= mx +b. The equation here is y = -19. It means that the slope, m, is 0. You can also think about it this way. y= -19 graph will show you that for every x value, the y is at -19 since there is no rise over run. it is just a straight line at y= -19

Answer:

6

Step-by-step explanation:

c is on -3 and A is on 3 -3 to 3 would be 6

The weight of the original sample from which all 14 batches in the task content is;  65.8 x 10-8 grams.

If an event can occur in m different ways and if following it, a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.

WE have been given that Eli broke a cell sample into 14 batches, each weighing 4.7 x 10-8 grams. which follows that the task content; the weight of the original sample from which the eight batches were obtained be determined.

Hence, since each of the 14 batches weighs;

[tex]4.7 \times 10^{-8}[/tex]

Therefore, the weight of the original sample can be obtained as;

[tex]4.7 \times 10^{-8} \times 14\\\\65.8 \times 10^{-8}[/tex]

However, when the weight is expressed in scientific notation, thus the weight of the original sample is;

[tex]65.8 \times 10^{-8}[/tex]

Hence, The weight of the original sample from which all 14 batches which each weighed  4.7 x 10-8 grams are obtained as required in the task content is;  65.8 x 10-8 grams.

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The difference between -4/5 and -3/5 will be -7/5.

It should be noted that the difference between 4/5 and 3/5 will be illustrated thus:

= 4/5 - 3/5

= 1/5

Subtracting -3/5 from -4/5 will be:

= -3/5 - 4/5

It should be noted that they both have negative signs.

Therefore, the value will be -7/5 or - 1 2/5.

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Answer:

8/5 or 1 3/5

Step-by-step explanation:

Answer:

Exact form: 8/5
Mixed Number form: 1 3/5

Step-by-step explanation:

First, let's cancel the common factor of 3

4/3 * 6/5
4 * (3*2/5)
4 * 2/5

Next, lets combine 4 and 2/5

4*2/5
8/5

We can finish this off by simplifying 8/5

8/5 = 1 3/5

Answer: y2-y1 and x2-x1

Step-by-step explanation:

5-9=-4

2--6=8

-4,8