Find the equation of the line that is parallel to the line y = -3x + 2 and passes through the point (-8 , 1). Write the equation in the point slope form.

Please help !!
(College Algebra)

Answers

Answer 1

Answer:

y - 1 = - 3(x + 8)

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 3x + 2 ← is in slope- intercept form

with slope m = - 3

• Parallel lines have equal slopes

the equation ofa line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b ) a point on the line

here m = - 3 and (a, b ) = (- 8, 1 ) , then

y - 1 = - 3( x - (- 8) ) , that is

y - 1 = - 3(x + 8)


Related Questions

(Scientific Notation in the Real World MC)

A TV show had 5.6 x 105 viewers in the first week and 4.1 x 105 viewers in the second week. Determine the average number of viewers over the two weeks and write the final answer in scientific notation.

9.7 x 1010
9.7 x 105
4.85 x 1010
4.85 x 105

Answers

The average number of viewers over the two week is D. 4.85 x 10^5.

How to calculate the value?

It should be noted that the scientific notation simply has to do with writing of numbers that are either too large or too small. This will be illustrated thus:

In this case, the TV show had 5.6 x 10^5 viewers in the first week and 4.1 x 10^5 viewers in the second week.

Therefore, the average number of viewers over the two weeks will be:

= (5.6 × 10^5) + (4.1 × 10^5) / 2

= 4.85 × 10^5

Note that we had to divide by 2 since it's average.

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how do I find the correct answer for the blank?

Answers

[tex]\begin{gathered} 2\cdot k=6 \\ \text{Where:} \\ k=\text{scale factor} \\ \text{solve for k:} \\ k=\frac{6}{2} \\ k=3 \end{gathered}[/tex]

B.10 Midpoint formula: find the midpoint 2YG
A line segment has the endpoints U(19, 6) and V(17, -3). Find the coordinates of its midpoint
M.
Write the coordinates as decimals or integers.
M =
Submit
Work it out

Please help

Answers

Answer:

Midpoint formula is given as [(x1+x2)÷2, (y1+y2)÷2], where x and y are coordinates of the points.

Midpoint = [(19+17)÷2, (6+(-3))÷2]

= (36÷2, 3÷2)

= (18, 1.5)

Supergym is a national chain of gyms. This year, its employees sold 10,412 gym memberships, which turns out to be 52% more than they sold last year. How many memberships did they sell last year?

Answers

The supergym sold 15,826.24 membership last year

How to calculate the number of membership sold ?

This year it's employees sold 10,412

This number is 52% more that they sold last year

The first step is to calculate 52% of 10,412

52/100 × 10,412

= 0.52 × 10412

= 5,414.24

The number of membership sold this year can be calculated as follows

= 5414.24 + 10,412

= 15,826.24

Hence the number of membership they sold last year is  15,826.24

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Multiply. 1. (5.2x)(1.9x)​

Answers

Answer:

9.88x

Step-by-step explanation:

multiply both numbers together

What are the rules for the order of calculations/operations in an expression?

Answers

Answer:

Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

PEMDAS

multiplication and division are on the same level, when you see both work from left to right

addition and subtraction are also on the same leve, work from left to Right

P > E > M = D > A = S

Answer:

p e m d a s

Step-by-step explanation:

I hope it's helpful for you


How many square feet of outdoor carpet will
we need for this hole?

Answers

Hey you man what are you doing here go to there

what percent of 30 is 36

Answers

Answer:

10.8

Step-by-step explanation:

30% of 36

= 30/100 * 36

= 3/10 * 36

= 108/10

= 54/5

= 10.8

Hope this helps and feel free to mark this as brainliest :)

Complete the table with ordered pairs that give coordinates of points that lie on the line shown in the graph

Answers

Yotambién te quiero muchísimo y te quiero mucho mucho te amo te extraño te amo te quiero mucho mi vida y que me voy de tu vida a tu tu mamá Yiyi y te amo con todo.

10^-3 x 10^6

please write in the form of powers/ index notation (for example, 7^5 or 10^-4)

Answers

It should be noted that 10^-3 × 10^6 in scientific notation is 10³.

How to illustrate the information?

It should be noted that scientific notation is simply used in Mathematics to express the numbers that are either too small or too large.

This will be illustrated based on the information given. In this case, we want to multiply 10^-3 × 10^6. This will be illustrated thus:

= 10^-3 × 10^6.

It should be noted that since the question is about multiplication, the powers will be added.

= 10^-3 × 10^6.

= 10³

The answer is 10³.

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what is the value of 7 in the number 345.79​

Answers

Answer: 345.79 - The value of the digit 7 is 7 thousandths, or 0.007.

sorry if this doesn't help..

omg im so sorry but i need help again guys:(

Answers

The expression for the side length of the bulletin board is √n (option B).

What is the expression for the side length?

A square is an object with four sides that are of equal length. The sum of angles in a square is 360 degrees. A square has two diagonals that are of equal length that bisect each other at a right angle.

The area of a square can be determined by calculating the square of a side length.

The area of a square = length x length

= length²

If the area of a square is given, to determine its side length, find the square root of the area.

Length of a side = √area

√n

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Use the parabola tool to graph the quadratic function f (X) =x2 - 12x +27

Answers

Answer:

Step-by-step explanation:

[tex]f(x)=x^2-12x^2+27\\f(x)=x^2-2(x)(6)+6^2-6^2+27\\f(x)=x^2-2(x)(6)+6^2-36+27\\f(x)=(x-6)^2-9[/tex]

This is the graph of the function f(x)=x² shifted right about the x-axis

by 6 units and dropped down about the y-axis by 9 units

How do you fully factorise 15p^2+24p

Answers

answer: 3p(5p+8)
explanation: find common factor between 15 and 24 which is 3
make the brackets ()
since you know 3 is the common factor then to factorise 15 and 24p you use 3p so now it should be 3p()
15/3 = 5 and since its 15p^2 put 5p so its now 3p(5p)
24/3 = 8 so 3p(5p+8)

PLEASE, PLEASE HELP WILL GIVE BRAIBNLIEST PLEASE HELP!!! QUESTION IN THE IMAGE BELOW.

Answers

Answer:

25/6

Step-by-step explanation:

We determine the scale factor by comparing the lengths of corresponding sides of the square. 
The length of O’N’=15 and the length of ¯¯¯¯¯¯¯¯¯¯¯ON=9

The equation for the scale factor, k is then given by:

O’N’=kON

15=9k

K= 15/9= 5/3.

The scale factor is k= 5/3

Use the tangent identity to
find tan x.
sin x =
44
45
tan x =
COS X =
[?]√]
√89
4

Answers

Answer:

[tex]tan(x)=\frac{44\sqrt{89}}{89}[/tex]

Step-by-step explanation:

tan is defined as: [tex]tan(x)=\frac{opposite}{adjacent}[/tex]

sin is defined as: [tex]sin(x)=\frac{opposite}{hypotenuse}[/tex]

cos is defined as: [tex]cos(x)=\frac{adjacent}{hypotenuse}[/tex]

We can also define tan as: [tex]tan(x)=\frac{sin(x)}{cos(x)}[/tex]

because plugging in the definitions of sin and cos in we get: [tex]tan(x)=\frac{(\frac{opposite}{hypotenuse})}{(\frac{adjacent}{hypotenuse})}\\\\tan(x)=\frac{opposite}{hypotenuse}*\frac{hypotenuse}{adjacent}\\\\tan(x)=\frac{opposite}{adjacent}[/tex]

which you'll notice is the original definition of tan(x)

So using this definition of tan(x) we can use the givens sin(x) and cos(x) to find tan(x)

[tex]sin(x)=\frac{44}{45}\\\\cos(x)=\frac{\sqrt{89}}{45}\\\\tan(x)=\frac{sin(x)}{cos(x)}[/tex]

plugging in sin(x) and cos(x) we get:

[tex]tan(x)=\frac{\frac{44}{45}}{\frac{\sqrt{89}}{45}}\\\\tan(x)=\frac{44}{45}*\frac{45}{\sqrt{89}}\\\\tan(x)=\frac{44}{\sqrt{89}}[/tex]

We usually don't like square roots in the denominator, and from here we want to rationalize the denominator which we do by removing the square root from the denominator.

We can do this by multiplying the fraction by: [tex]\frac{\sqrt{89}}{\sqrt{89}}[/tex] which doesn't change the value of the fraction since it simplifies to 1, but it gets rid of the square root in the denominator

[tex]tan(x)=\frac{44}{\sqrt{89}}*\frac{\sqrt{89}}{\sqrt{89}}\\\\tan(x)=\frac{44\sqrt{89}}{89}[/tex]

What is the slope of the line represented by the equation y = 4/5x -3?

Answers

Answer: 4/5

Step-by-step explanation:

y = mx + b

m represents the slope in this line.

Answer:

4/5

Step-by-step explanation:

Equation is in slope intercept form:

[tex]y = mx + b[/tex]

where m is the slope and b us the y-intercept

so, slope is 4/5

Consider a rectangular prism with a volume of 24 cubic centimeters. What could be the dimensions of the rectangular prism? Match each set of length and width with the correct height to complete the possible dimensions of rectangular prisms with volumes of 24 cubic centimeters. Prism M Length = 4 cm Width = 1 cm Prism W Length = 2 cm Width = 2 cm Prism Z Length = 6 cm Width = 1 cm Prism J Length = 2 cm Width = 4 cm Prism R Length = 2 cm Width = 3 cm Prism F Length = 1 cm Width = 8 cm

Answers

The dimensions of the rectangular prisms are:

Prism M: l=4 cm , w=1 cm and h=6 cm

Prism W: l=2 cm , w=2 cm and h=6 cm

Prism Z: l=6 cm , w=1 cm and h=4 cm

Prism J: l=2 cm , w=4 cm and h=3 cm

Prism R: l=2 cm , w=3 cm and h=4 cm

Prism F: l=1 cm , w=8 cm and h=3 cm

Given, a rectangular prism with a volume of 24 cm³

Dimensions of the prism if the volume is 24 cm³.

Prism M:

l=4 cm and w=1 cm

we know that volume = h×l×w

h×4×1=24

4h=24

h=24/4

h=6 cm

Prism W:

l=4 cm and w=2 cm

we know that volume = h×l×w

h×2×2=24

4h=24

h=24/4

h=6 cm

Prism Z:

l=4 cm and w=1 cm

we know that volume = h×l×w

h×6×1=24

6h=24

h=24/6

h=4 cm

Prism J:

l=2 cm and w=4 cm

we know that volume = h×l×w

h×2×4=24

8h=24

h=24/8

h=3 cm

Prism R:

l=2 cm and w=3 cm

we know that volume = h×l×w

h×2×3=24

6h=24

h=24/6

h=4 cm

Prism F:

l=1 cm and w=8 cm

we know that volume = h×l×w

h×1×8=24

8h=24

h=24/8

h=3 cm

hence we get the required dimensions.

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"I NEED HELP PLS" The following figure is made of 1 triangle and 2 rectangles.


Find the area of each part of the figure and the whole figure.

Figure Area (square units)

Rectangle A

Triangle B

Rectangle C

Whole figure

Answers

The value of the area are;

Rectangle A = 54 square units

Triangle B = 2 square units

Rectangle C = 6 square units

Whole figure = 62 square units

How to determine the area of the composite figure

The formula for determining the area of a rectangle is expressed as;

Area = lw

Where;

l is the length of the rectanglew is the width of the rectangle

From the figure shown, we have two rectangles

Area of the bigger rectangle;

Length = 9

Width = 6

Now, substitute the value

Area = 9(6)

Multiply through

Area = 54 square units

Area of the smaller rectangle

Length = 9 - 7 = 2

Width = 9 - 6 = 3

Substitute the values

Area = 2(3)

Multiply through

Area = 6square units

The formula for area of a triangle is expressed as;

Area = 1/2 base× height

Base = 9 - 6 = 3

Height = 9 - 2 = 3

Substitute the value

Area = 1/ 2 ×2(3)

Area = 6/ 3

Area = 2

The total area = Rectangle A + rectangle B + Triangle

Total area = 54 + 6 + 2

Total area = 62 square units

Hence, the area is 62square units

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Answer:

A=54 B=3 Whole=73

Step-by-step explanation:

I know this because i did this aswell

omsomfigure2.52base a 20 cmfigure B:ta20 cm5 pmfigure.boromomsomfigure D:tasarea 2018.paretAmong these figures, gureand figurehave the same volume

Answers

We will compute the volume of each figure.

1) Figure A

We have a cone with:

• Ab = base area = 20 cm²,

,

• h = heigh = 5 cm.

The volume of the cone is:

[tex]V_A=\frac{1}{3}\cdot A_b\cdot h=\frac{1}{3}\cdot(20cm^2)\cdot5\operatorname{cm}\cong33.3cm^3\text{.}[/tex]

2) Figure B

We have a cylinder with:

• Ab = base area = 20 cm²,

,

• h = heigh = 6 cm.

The volume of the cylinder is:

[tex]V_B=A_b\cdot h=20cm^2\cdot6\operatorname{cm}=120cm^3.[/tex]

3) Figure C

We have an inclined cylinder with:

• Ab = base area = 20 cm²,

,

• h = heigh = 5 cm.

The volume of the inclined cylinder is:

[tex]V_C=A_b\cdot h=20cm^2\cdot5\operatorname{cm}=100cm^3.[/tex]

4) Figure D

We have a parallelepiped with:

• Ab = base area = 20 cm²,

,

• h = heigh = 5 cm.

The volume of the parallelepiped is:

[tex]V_D=A_b\cdot h=20cm^2\cdot5\operatorname{cm}=100cm^3.[/tex]

5) Figure E

We have an inclined square pyramid with:

• Ab = base area = 20 cm²,

,

• h = heigh = 10 cm.

The volume of the square pyramid is:

[tex]V_E=\frac{1}{3}\cdot A_b\cdot h=\frac{1}{3}\cdot(20cm^2)\cdot10\operatorname{cm}\cong66.67cm^3\text{.}[/tex]

Answer

Among these figures, figure C and figure D have the same volume.

If I have £450 and I’m going away to India and currency conversion is £1=99.40 how much would I have

Answers

Answer:

Step-by-step explanation:

450 * 99.40 =  44730

£450 multiplied by 99.40=
44,730

Whats this answer?? I need it

Answers

47.04 in^2.

Area = length x width. Substitute 11.2 in and 4.2 in for length and width.

11.2 in x 4.2 in = 47.04 in^2
the answer is 47.04 in ^2

What is the value of z in the system shown below?
x+y+z=6
x + 2y = 5
2x+z = 5

Answers

Answer:  z = 3

========================================================

Explanation:

I'll use the substitution method to solve this system of equations.

Solve the third equation for z

2x+z = 5

z = 5-2x

Then solve the second equation for y

x+2y = 5

2y = 5-x

y = (5-x)/2

y = -0.5x+2.5

Plug each of these into the first equation so we can solve for x.

x+y+z = 6

x+(-0.5x+2.5)+(5-2x) = 6

-1.5x+7.5 = 6

-1.5x = 6-7.5

-1.5x = -1.5

x = (-1.5)/(-1.5)

x = 1

Let's use this to find y and z

y = -0.5x+2.5 = -0.5*1+2.5 = 2

z = 5-2x = 5-2*1 = 3

Therefore,

x = 1

y = 2

z = 3

Or we can write it like this:  (x,y,z) = (1,2,3)

-------------------

Check:

Plug these values into equation 1 and simplify

x+y+z = 6

1+2+3 = 6

6 = 6

We get the same thing on both sides.

This confirms equation 1.

Repeat for equation 2.

x+2y = 5

1+2*2 = 5

1+4 = 5

5 = 5

This confirms equation 2.

Lastly, plug those values into equation 3

2x+z = 5

2*1+3 = 5

2+3 = 5

5 = 5

Equation 3 is confirmed.

All three equations are true when (x,y,z) = (1,2,3). The solution is fully confirmed.

how do you know if shapes are congruent

Answers

Answer:

Congruent shapes are shapes that are exactly the same. The corresponding sides are the same and the corresponding angles are the same.

Answer: Congruent mean same/equal

Step-by-step explanation: So if the have the same height,width, radius,or even angles, they can be congruent.

The probability of rolling a six on a bias dice
is 1/5
Work out the probability of rolling exactly
one six

Answers

The probability of rolling exactly  one six = 0.04

what is probability ?

Probability is a branch of mathematics that deals with the occurrence from of a random event . the value is expressed from zero to one .Probability has been introduced in mathematics  to predict how likely events are to happen .

So , acc the question "exactly one six " means  that one roll so that probability must be doubled the probability of " not six " is 4/5 . the probability of a 6 on the roll and not on the second is 1/5 x 4/5 =4/ 25 .

The six could come on the second roll so thst probability must be doubled .

the overall probability of exactly one six 8/25 or 0.32

completing toatl probability -no sixes =4/25 x 4/25 =16/25 =0.04

two sixes =1/5x 1/5 =1/25= 0.04

Hence , the probability of rolling exactly one six = 0.04

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A rectangle with a width of x feet and height of StartFraction 7 over 2 EndFraction feet.
Jack is building a rectangular fence for his ferret. He has 20 feet of fencing and wants the short side of the fence to be 7
2
feet. How long will the other side of the fence be? Write the answer in decimal form.

The long side will be
feet.

Answers

The other side of the fence based on the information illustrated is 6.5 feet.

How to calculate the length?

It should be noted that the perimeter of a rectangle is illustrated as:

= 2(length + width)

In this case, the width is given as 7/2 = 3.5 feet.

It should be noted that the perimeter is given as 20 feet.

Therefore, the length will be:

2(length + width) = 30

2(length + 3.5) = 20

2Length + 7 = 20

2L = 20 - 7

2L = 13

L = 13/2

L = 6.5

Therefore, the length is 6.5 feet.

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Please help immediately!!

Answers

2/5 is close to 4/5 and -0.2 is close to -3/5

The Distributive Property Determine if the given expressions are equivalent
1. 3x + 12 and 3( 4 + x ) 2. 2( 3x - 30 ) and 6 - 30 3. 4 ( 5 - 4x ) and 20x - 16

Answers

The given expressions have been evaluated to be equivalent or not equivalent as follows:

3(4 + x) and 3x + 12: Equivalent.2(3x - 30) and 6 - 30: Not equivalent.4(5 - 4x) and 20x - 16: Not equivalent.

What is the distribution property?

The distributive property of multiplication states that when the sum of two (2) or more addends are multiplied by a specific number, the same output (result) would be produced as when each addend is multiplied respectively by the number, and the products are added together.

Mathematically, the distributive property of multiplication is given by this expression:

a(b + c) = ab + ac.

Next, we would determine whether or not the given expressions are equivalent:

3x + 12 and 3(4 + x):

Opening the bracket, we have:

3(4 + x) = 3x + 12 (Equivalent).

2(3x - 30) and 6 - 30;

Opening the bracket, we have:

2(3x - 30) = 6x - 60

2(3x - 30) = 6 - 30 (Not equivalent).

4(5 - 4x) and 20x - 16;

Opening the bracket, we have:

4(5 - 4x) = 20 - 16x

4(5 - 4x) = 20x - 16 (Not equivalent).

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Question 2 (10 points)

Answers

Answer:

125.

Step-by-step explanation:

5^3

= 5 * 5 * 5

= 25 * 5

= 125.

mom walks at a speed of 6 miles per hour. how long will it take her to walk 1 mile?

Answers

I think the answer is ten minutes
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