i need help with the problem

Answer:xet1234567890987654323456789

Step-by-step explanation:

87654323456789098765434567890

The correct option is (3) 5/2

The slope of a line perpendicular to m is 5/2.

The slope of a line can be find by dividing its vertical change, or the rise of line by its horizontal change or the run . No matter which two locations on the line you choose, the slope of a line is always constant (it never varies). The word "slope" is represented by the letter "m," and it describes how steep a line is.

In the given question,

from the graph take any two points on the line say point A (2,1) and point B (-3,3)

now using the slope formula,

slope = m1 = [tex]\frac{delta \ Y}{delta \ X} = \frac{y2-y1}{x2-x1}[/tex]

=> m1 = [tex]\frac{3-1}{-3-2} = - \frac{2}{5}[/tex]

Now, for perpendicular lines:

m1.m2 = -1

=> m2 = 5/2

Thus, slope of a line perpendicular to m is 5/2.

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The complete question is:

Given line m  graphed on the grid shown, which of the following would be the slope of a line perpendicular to m ?

(1) -3 /2

(2) 7/3

(3) 5/2

(4)  -3/4

Answer:

648, 108 , 18, 3

divide all with 3

216,36,6,1

which means 6³,6²,6¹,6⁰....can be written as

[tex] {6}^{4 - 1} \: \: {6}^{4 - 2} ...so \: on \\ [/tex]

[tex]so \: \: pattern = \\ n = {6}^{4 - n} \times 3[/tex]

Answer:

I cant see the picture that clearly but it looks like it'll be about $6.50

it's kinda blurry

Step-by-step explanation:

Answer:

13.

Step-by-step explanation:

1) if the required number of years is 'x', then it is possbile to make up the equation:

43+x=2(15+x);

2) finally, x=13 [years].

Answer:

Well on average if you leave the water running that's about 4 gallons the first time you brush your teeth. So brushing your teeth twice a day would be on averge 8 gallons a day.

Step-by-step explanation:

Hope this helps......if not sorry for wasting your time and may God bless you<3

Points of the triangle ABC after rotating counter-clockwise 90° and translation of [(x+2),(y-5)] will be a triangle XYZ which has points of XYZ, X(6,-7), Y(2,-4), and Z(-5,-8).

Translations are of 4 types they are rotation, dilation, translation and reflection.

We know when the rotation of 90° counter-clockwise takes place we switch the coordinates (x,y) to (y,x) and make x negative which is (y,-x).

Given a triangle ABC with points A(2, 4), B(-1, 0), and C(3, -7) rotated 90° to form another triangle XYZ.

∴ Points of triangle XYZ will be X(4,-2), Y(0,1), and C(-7,-3).

Now we translate these points by [(x+2),(y-5)].

∴ Points of triangle XYZ will be X(6,-7), Y(2,-4), and Z(-5,-8).

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Answer:

-9.5, -7, 5

Step-by-step explanation:

We need to make this a readable function. We will change it to slope-intercept form, y = mx + b. to do this, we must isolate the variable y.

-5x + 2y = -19
-5x + 2y + 19 = -19 + 19
-5x + 2y + 19 = 0
-5x + 2y - 2y + 19 = -2y
-5x + 19 = -2y
We are solving for positive y, so we will flip all signs in the equation.
5x + - 19 = 2y
5x/2 - 19/2 = 2y/2
2.5x - 9.5 = y
y = 2.5x - 9.5

There's our y = mx + b. We now need to solve for each ordered pair.

y = 2.5(0) - 9.5
y = -9.5
(0, -9.5)

y = 2.5(1) - 9.5
y = 2.5 - 9.5
y = -7
(1, -7)

2.5x - 9.5 = 3
2.5x - 9.5 + 9.5 = 3 + 9.5
2.5x = 12.5
2.5x/2.5 = 12.5/2.5
x = 5
(5, 3)

Answer:

50

Step-by-step explanation:

(6+√-64)(3-√-16)

6(3-√-16) +√-64(3-√-16)

18 - 6√-16 + 3√-64 - √1024

18 - 6(4i) + 3(8i) - 32i²

i² = -1

18 - 24i + 24i - (-1) 32

18 + 24i - 24i + 32

18 + 32 = 50

I hope this helps!

The number of hours of comedy shows that Devon records is 1 1/2  hours or 1.5 hours.

What is the straightforward meaning of time?

Devon records reality shows on her dvr for the time of = 4 hours

She records comedy shows 3/8 of the amount of time.

The time of recording comedy shows = 3/8 of 4 hours

                                                                = 3/8 × 4

                                                                = 12/8

                                                                = 3/2                      

                                                                 = [tex]1\frac{1}{2}[/tex]

The number of hours of comedy shows that Devon records is 1 1/2  hours or 1.5 hours.

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Answer:

it's true because

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

Help below. Enjoy!

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

"Twice the sum of a number and four"- that's a bit to take in. Let's break it up.

Twice the sum of a number - that's double the sum of an unannounced number, so let's call it "n"

2(n +)

and four - Add four.

2(n + 4)

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

This should work. If not, please leave a comment and I'll try my best to help!

(Please consider leaving a Brainly, as it will be greatly appreciated!)

~pinetreee

the equation of the line that is parallel to the line - x + 2 y = 7 is - x - y + 7 = 0.

We know that, if the lines are parallel, then their slopes are equal.

We have the line:

- x + 2 y = 7

Slope = - 1

Now, we have the point ( 4, 3)

So, the equation of the line will be:

y - y₁ = m ( x - x₁ )

Substituting the values, we get that:

y - 3 = - 1 ( x - 4 )

y - 3 = - x + 4

x + y - 3 - 4 = 0

x + y - 7 = 0

- x - y + 7 = 0

Therefore, the equation of the line that is parallel to the line - x + 2 y = 7 is - x - y + 7 = 0.

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[tex]\frac{16000}{218282}[/tex] minutes take to travel

According to the question,

Given that,

Traveling 64 feet at rate of 14.5454 feet per second

[tex]\frac{64}{14.5454 * 60}[/tex]

convert decimal into fraction

 [tex]\frac{64}{\frac{145454}{10000} * 60}[/tex]

 [tex]\frac{64}{\frac{145454}{500} * 3}[/tex]

 [tex]\frac{64}{\frac{72727}{250} * 3}[/tex]

[tex]64 *\frac{250}{72727 * 3}[/tex]

[tex]\frac{16000}{218282}[/tex]   ≈ 7.3333361 %

There’s a simple formula which governs the three, and it can be expressed with either variable as the subject of the equation:

Distance = speed * time

Time = distance/speed

Speed = distance/time

So, as long as we have a couple of those, we can plug them into one of the equations.

Time = distance/speed. So, a nice easy one would be how many hours does it take to cover 30km when you are travelling at 120km/h.

Time = 30km/120km/h = 0.25 hours.

If you need to figure out how many minutes that is, simply multiply it by 60, which gives you 15 minutes.

You’re going to drive at an average of 70km/h for 4 hours.

Distance is speed multiplied by time, so:

70km/h * 4 hours = 280km.

Easy so far, but what about if you’re going to be driving for 4 hours and 15 minutes? Now you either need to figure out how much 15 minutes is as a decimal number of hours, or you need to convert the hours figure into minutes and, at the end, convert it back.

The first option is fairly simple: take the 15 minutes and divide it by 60 minutes so that we know what proportion of an hour 15 minutes is.

15 minutes / 60 minutes = 0.25 hours

Add that onto the 4 hours you already have and it’s 4.25 hours. Plug it into the same equation:

70km/h * 4.25 hours = 297.5km

The other way around of doing this is converting the time into minutes. Four hours in minutes is 4 * 60 = 240 minutes.

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The cost to carpet the bedroom of size 11 feet × 11 feet will be equal to $1332.90.

What is area of rectangle ?

Area of rectangle is the region occupied by a rectangle within its four sides or boundaries.

It is given that size of bedroom is 11 feet by 11 feet.

Carpet costs $33.05 per square yard.

Firstly, we need to find out the the area of bedroom in feet. The room has the shape of a rectangle.

We know that , the area of rectangle is given by :

A = Length x Width.  

So ,

Area of room will be :

= 11 x 11

= 121 square feet

Convert this area of the room in square feet to square yards.

We know that , 1 feet = 1/3 yards

So , 121 square feet will be :

= 121 /3

= 40.33 square yards

So , the cost to carpet the bedroom will be :

= 40.33 x $33.05

= $1332.90

Therefore , the cost to carpet the bedroom of size 11 feet × 11 feet will be equal to $1332.90.

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The simple interest rate being charged by Maite is 39.04%

As we are provided with the information that principal amount is  $3,500.00 and the interest amount Maite has to pay is $1,025.00 which has to be paid after 9 months and we need to calculate the simple interest rate she is being charged

The formula for calculation of simple interest =  P R T / 100

where P is the principal amount, R is the rate of interest and T is the time for which the loan is taken

                  1025 = 3500 × R × (9/12) / 100

                  1025×100 = 3500×R×9/12

                  102500 ×12/3500= 9R

                  351.4 =9R

                  R= 39.04%

Hence the simple interest rate being charged by Maite is 3.90%

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The expression which represents the perimeter, in centimetres of the rectangle as described in the task content is;

According to the task content, the expression which represents the perimeter, in centimetres of the rectangle as described in the task content is to be determined.

Since the perimeter of a rectangle is given by the formula;

Perimeter = 2(l +w).

where; l = (10v +10) and w = (9v -3)

Therefore, the expression which represents the perimeter is;

P = 2(10v +10 + 9v -3)

P = 2 (19v +7)

P = 38v +14.

Ultimately, the expression which represents the perimeter, in centimetres of the rectangle as described in the task content is; 38v +14.

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Finding the equation of the parabola, it is found that the height of the diving board is of 24 feet.

The equation of a quadratic function, of vertex (h,k), is given by:

y = a(x - h)² + k

In which a is the leading coefficient.

From the maximum height, it is found that the vertex is at (1,25), hence:

h = 1, k = 25.

Hence:

y = a(x - 1)² + 25.

You hit the water 6 feet from the diving board, hence y(6) = 0, meaning that we use it to find a as follows:

0 = a(6 - 1)² + 25

25a = -25.

a = -1.

Hence:

y = -(x - 1)² + 25.

The height of the diving board is y(0), hence:

y = -(0 - 1)² + 25 = -1 + 25 = 24 feet.

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Let

[tex]\displaystyle f(x) = \sum_{n=1}^\infty (-1)^{n-1} \frac{x^{2n-1}}{(2n-1)! (2n+1)}[/tex]

The exponent is indeed [tex]2n-1[/tex] - not a typo!

Take the antiderivative of [tex]f[/tex], denoted by [tex]F[/tex]. This recovers a factor of [tex]2n[/tex] in the denominator, which lets us condense it to a single factorial.

[tex]\displaystyle F(x) = \int f(x) \, dx = C + \sum_{n=1}^\infty (-1)^{n-1} \frac{x^{2n}}{(2n+1)!}[/tex]

Recall the series expansion of sine,

[tex]\displaystyle \sin(x) = \sum_{n=0}^\infty (-1)^n \frac{x^{2n+1}}{(2n+1)!}[/tex]

Then with a little algebraic manipulation, we get

[tex]\displaystyle F(x) = \int f(x) \, dx = C + 1 - \frac{\sin(x)}x[/tex]

Differentiate to recover [tex]f[/tex].

[tex]f(x) = \dfrac{\sin(x) - x\cos(x)}{x^2}[/tex]

Finally, [tex]f(\pi) = \frac1\pi[/tex], so our sum is

[tex]\displaystyle \pi^2 f(\pi) = \sum_{n=1}^\infty (-1)^{n-1} \frac{\pi^{2n+1}}{(2n-1)! (2n+1)} = \boxed{\pi}[/tex]

1.2 gallons of water should be added to 1 gallon of antifreeze to make it a solution which have 45% of antifreeze.

Percentage is the value per hundredth.

According to the given question we have to determine how much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 45% antifreeze.

To obtain a 45% antifreeze solution we need (100-45)% = 65% water.

Let us assume that the total mix is of x gallons which contains 45% antifreeze.

∴ The total mix in gallons which contains 45% antifreeze and have 1 gallon of antifreeze is

(45/100)x =1.

0.45x = 1

x = 1/0.45

x= 2.22 gallons of total mix.

∴ Water in this mix which have 45% of antifreeze is (2.22 - 1) gallons which is = 1.22 gallons of water.

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Answer:

the first question is multipleling or division

the second one js given

the third one commutative property

the forth one is disturve property

last one is addition or sub

Answer:

Given, Distributive Property, Addition or Subtraction Property of Equality, Multiplication or Division Property of Equality, Commutative Property

I hope I helped!

Answer:

875

Step-by-step explanation:

Answer:

the answer is 875

your welcom =D

The Equivalent expressions of the given expression is a 27x -3.

According to the statement

We have to find that the equivalent expression.

So, For this purpose, we know that the

Equivalent expressions are expressions that work the same even though they look different.

In other words, Two expressions are said to be equivalent if they have the same value irrespective of the value of the variable(s) in them.

From the given information:

The given expression is a

3(5x + 7)-6(4- 2x)

To find the equivalent expression we have to solve it

Then

3(5x + 7)-6(4- 2x)

15x + 21 -24 +12x

Now combine the similar terms by applying mathematical operations

Then the equation become

27x -3.

So, The Equivalent expressions of the given expression is a 27x -3.

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Answer: See the diagram below

Explanation:

Start at -4 on the number line. Then move 6 units to the right to arrive at 2 on the number line.

This shows us that -4+6 = 2

Answer:

10 days

Step-by-step explanation:

20-0.4x=16

-20          -20

-0.4x=-4x

/0.4  /0.4

x=10

so after 10 days she'll need to purchase another bag of rice  

Answer:

Go

Step-by-step explanation:

go

The relationship c(x) = 4.5+ 0.32x it is a linear relationship.

The factor 0.32 is used to reduce the cost of the weight before adding to the fixed cost of  4.5

Given data

c(x) = 4.5+ 0.32x

The relationship c(x) = 4.5+ 0.32x it is a linear relationship.  It can be compared to the equation of a straight line which is

y = mx + c

m is the slope and c is the y intercept

The comparison shows that

y = c(x)

c = 4.5

m = 0.32

If the cost is related with the relationship c(x) = 4.5+ 0.32x.

it can be seen that even when there is no weight or no salad that is at    x = 0 the cost is c = 4.5.

This means that there is a fixed cost of 4.5 for any salad weight, in ounces bought.

The factor 0.32 is used to reduce the cost of the weight before adding to the fixed cost of  4.5.

The 0.32 is a reduction factor because the value is less than 1 and will reduce any number it multiplies.

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The bird is 1 feet below the pond relative to the surface of the water.

It is given that the bird is flying 11 feet above the pond.

So, the distance between flying bird and surface of pond = 11 Feet

Plunge steeply downward through the air or plunge head first into water.

After diving 15 feet down, it means that the bird is 4 feet under the pond as bird was flying 11 feet above the surface of pond.

So, the distance between surface of pond and the bird after diving down = 4 Feet

After that, it says that bird rises 3 feet to catch the fish,

So, after rising 3 feet above in the pond the distance between surface of pond and the bird is 1 feet.

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