3-2/a divided by 5+ 3/a

Step-by-step explanation:

The slope is described by the the initial and final value of one quantity over the difference between the initial and final of the other

Rate: for points on a Cartesian plane,(x1, y1) and (x2, y2)

the slope, m= (y2 - y1)/(x2 - x1)

The rate of change on the other hand is mostly refers to how much a quantity is changing with time i.e the rate of change of y from y1 to y2 can be expressed as

rate = (y2 - y1)/(t2 - t1)...where t1 and t2 are the various time in y1 and y2 respectively...

Using the associative property of addition, two equivalent expressions to find the total cost are: (1) ($12 + $24) + $6 and (2) $12 + ($24 + $6). Both expressions will yield the same result due to the associative property.

The question involves using the associative property of addition to find equivalent expressions for the total cost of items bought for Anita's mother's party. The total costs given are for three items: cake ($12), hot dogs and hamburgers ($24), and drinks ($6). To demonstrate the associative property, we can group the costs in different ways before adding them.

Both expressions will yield the same total cost when calculated, which shows the associative property of addition in action.

This is an equation representing the ellipse

Explanation:

Answer:

x=5 y=9

Step-by-step explanation:

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Mikes repair shop $100 service charge plus $65 per hour Amys auto repair $40 service charge plus $80 per hour write an equation for each repair shop to represent the total cost of a car repair as a function of the number of hours worked let C = total cost to you let h = number of hours worked. Suppose you need to get the dent in your car repaired you see the ads above in the newspaper your father who knows a bit about cars said it would take no more than 3 hours for the repair person to fix your car how do you determine where you should take your car to get it repaired

-Mike Cost:: M(3) = 100 +65*3 = $295

-Amy Cost:: A(3) = 40 + 80*3 = $280

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

-Mike charges 100 dollars service charge plus 65 dollars per hour.

-Amy charges 40 dollars service charge plus 80 dollars per hour.

-The cost to repair from mike is 100 + 65 * x.

-The cost to repair from amy is 40 + 80 * x.

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

Let x = 3 and you get:

The cost to repair from mike is 100 + 65 * 3 = 295 dollars.

The cost to repaid from amy is 40 + 80 * 3 = 280 dollars.

As long as the time to repair is 3 hours or less, the cost to repair will be cheaper from Amy.

Answer:

The n th of the given sequence is [tex]t_{n} = 26-6 n[/tex]

Step-by-step explanation:

Step 1 :-

Given sequence is 20,14,8,2,.......this sequence in arithmetic progression but this sequence is decreasing sequence.

given first term is 20 and difference is[tex]d = second term- first term = 14-20=-6[/tex]

now the nth term of given sequence is

by using formula [tex]t_{n}=a+(n-1)d[/tex]

[tex]t_{n}= 20+(n-1)(-6)[/tex]

[tex]t_{n}= 20-6 n+6[/tex]

final answer:-

[tex]t_{n} = 26-6 n[/tex]

verification:-

[tex]t_{n} = 26-6 n[/tex]

put n=1 we get first term is 20

put n=2 we get second term is 14

put n=3 we get third term is 8

put n=4 we get fourth term is 2

so the n th term of sequence is

[tex]t_{n} = 26-6 n[/tex]

Answer:

Therefore the change in water level over the course of 9 months is a drop in level of 3.4 cm (=  -3.4 cm)

Step-by-step explanation:

i) change in water level over the course of 9 months =

   [tex]- \frac{5}{8} - 0.4 - 0.4 - 6 - 2.9 + 3.2 + 6\frac{5}{8} - 3.2 + 0.3[/tex]

 = [tex]-0.625 - 0.4 - 0.4 - 6 - 2.9 + 3.2 + 6.625 - 3.2 + 0.3[/tex]

= -3.4

Therefore the change in water level over the course of 9 months is a drop in level of 3.4 cm (= - 3.4 cm)

Answer:

Step-by-step explanation:

6 1/2 + 2 3/4=M

M=9 1/4

Answer:

Step-by-step explanation:

F(x) = 2x + 6

G(x) = - 5x - 9

product of F and G .....the product is the result of multiplication

(2x + 6)(-5x - 9) =

-10x^2 - 18x - 30x - 54 =

-10x^2 - 48x - 54 <====

Answer: -2

Step-by-step explanation:

Let the number be x , then twice the number is 2x.

Twelve decreased by twice the number = 12 - ( 2x )

8 times the sum of the number and 4 = 8 ( x + 4 )

combining the two , we have

12 - 2x = 8 ( x + 4 )

12 - 2x = 8x + 32

12 - 32 = 8x + 2x

-20 = 10x

x = -20/10

x = -2

Answer:

x = 111

Step-by-step explanation:

Sum of interior angles= (n-2)*180= (7-2)*180 = 5*180 = 900

x + 139 + 121 + 125 + 126 + 158 + 120 = 900

x + 789 = 900

x = 900 - 789 = 111

x = 111

Answer:

m=-7

Step-by-step explanation:

The slope intercept form is y=mx+b.

So, the variable that represents slope is x.

If your plug your equation in, -7 would be the slope.

Answer:

[tex]x = \frac{1}{4} y + \frac{1}{2} [/tex]

Step-by-step explanation:

[tex]y = 4x - 2[/tex]

first flip

[tex]4x - 2 = y[/tex]

now add 2 to each side

[tex]4x + 2 = y + 2[/tex]

now

[tex]4x = y + 2[/tex]

divide by 4

[tex]4x \div 4 = 4 + 2 \div 4[/tex]

so

[tex]x = \frac{1}{4} y + \frac{1}{2} [/tex]

The value of k that makes the polynomial k^2x^3 - 6kz + 9 divisible by x-1 is 3. This is found using the Remainder Theorem and substituting x=1 into the polynomial and solving the resulting equation.

The question asks for the value of k such that the polynomial k2x3 - 6kz + 9 is divisible by x-1. To find the value of k, we use the Remainder Theorem, which states: if a polynomial f(x) is divisible by x-c, then f(c) = 0.

Applying this theorem, we set x=1 and solve for k:

Therefore, the value of k that makes the polynomial divisible by x-1 is 3.

Answer:

Option A: 12.5

Step-by-step explanation:

We use trigonometric ratios on this right angled triangle.

[tex]$ cos \hspace{1mm} \theta = \frac{adj}{hyp} $[/tex]

we get:

[tex]$ cos \hspace{1mm} 28^{\circ} = \frac{11}{x} $[/tex]

Also cos 28° = 0.88

Therefore, x = [tex]$ \frac{11}{0.88} $[/tex]

[tex]$ = \frac{100}{8} =\textbf{12.5} $[/tex]

OPTION A is the answer.

The value of the variable number x will be 1.25.

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

Let x be the number. Then the Five times a number is written as 5x. Then the expression will be

⇒ 10 - 5x

The triple number is written as 3x. Then the equation is given below.

10 - 5x = 3x

Simplify the equation, then we have

10 = 3x + 5x

10 = 8x

x = 10 / 8

x = 1.25

The value of the variable number x will be 1.25.

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Final answer:

The algebraic equation set up from the problem 10 - 5x = 3x leads us to find that x = 1.25. Thus, the number in question is 1.25.

Explanation:

The question describes an algebraic problem where we are trying to find a particular number. According to the problem, five times this number, when subtracted from ten, equals three times the number. To find the number, we set up the equation based on the given information:

10 - 5x = 3x

Where x is the number we are trying to find. Now, we will solve for x:

Add 5x to both sides of the equation to get all x terms on one side:

10 = 3x + 5x

Combine like terms on the right side:

10 = 8x

Divide both sides by 8 to solve for x:

x = 10/8

Simplify the fraction:

x = 1.25

So, the number we were seeking is 1.25.

Answer:

[tex]\large\boxed{x=\dfrac{5}{4},\ y=\dfrac{15}{16}}[/tex]

Step-by-step explanation:

[tex]\left\{\begin{array}{ccc}y=\dfrac{3}{4}x&(1)\\\dfrac{5}{2}x+2y=5&(2)\end{array}\right\\\\\text{Substitute}\ (1)\ \text{to}\ (2):\\\\\dfrac{5}{2}x+2\left(\dfrac{3}{4}x\right)=5\\\\\dfrac{5}{2}x+\dfrac{3}{2}x=5\\\\\dfrac{5+3}{2}x=5\\\\\dfrac{8}{2}x=5\\\\4x=5\qquad\text{divide both sides by 4}\\\\x=\dfrac{5}{4}[/tex]

[tex]\text{Put the value of}\ x\ \text{to (1)}\\\\y=\dfrac{3}{4}\cdot\dfrac{5}{4}\\\\y=\dfrac{15}{16}[/tex]

Answer:

Step-by-step explanation:

y = 3x/4 .........(1)

5x/2 + 2y = 5 .......(2)

Putting (1) into (2)

5x/2 + 2(3x/4) = 5

5x/2 + 3x/2 = 5

Multiply each term by 2

5x + 3x = 10

8x = 10

x = 10/8

x = 5/4

x = 1 1/4

And y = 3x/4

y = 3(5/4) ÷ 4

y = 15/4 ÷ 4

y = 15/(4×4)

y = 15/16

Answer:

LN = 13 units.

Step-by-step explanation:

If LMNP is a rectangle, then LN and MP are the two diagonals of the rectangle and they are equal.

Now, given that LN = 7x - 8 and MP = 4x + 1

So, 7x - 8 = 4x + 1

⇒ 3x = 9

⇒ x = 3

Therefore, LN = 7x - 8 = 7(3) - 8 = 13 units. (Answer)

Answer:

x-20

Step-by-step explanation:

x+4=y+24

x=y+24-4

x=y+20

y=x-20

Answer:

6

Step-by-step explanation:

hold up hold up so you are saying 60 less than what quotient I'm guessing 68 divided by 12 so the answer would be 6

Answer:

Step-by-step explanation:

4x² - 8x= 0​

4x(x -2) = 0

: 4x = 0 or x - 2 = 0

4x = 0

Dividing by 4

x = 0/4

x = 0

And

x - 2 = 0

x = 2

Answer:

Step-by-step explanation:

1 liter = 1000 ml....so 2 liters and 450 ml = (2* 1000) + 450) = 2450 ml

5 liters = (5 * 1000) = 5000 ml

5000 ml - 2450 ml = 2550 ml or 2 liters and 550 ml <== this is how much is left

so he used 2450 ml in 1 month....and he has 5000 ml

5000/2450 ≈ 2.04 months <===  it will be all used up

Answer:

Step-by-step explanation:

1 litre = 1000 ml

5 liter = 5 * 1000 = 5000 ml

2 liter 450 ml = 2 liter + 450 ml = 2000 ml + 450 ml = 2450 ml

Oil left = 5000 - 2450 = 2550 ml

2550 - 2450 = 100 ml

4 liter 900ml is used in two months and 100 ml will be left over

Answer:

18 cm

Step-by-step explanation:

The circumference (C) of a circle is calculated as

C = 2πr ← r is the radius

Given

C = 36π, then

2πr = 36π ( divide both sides by 2π )

r = [tex]\frac{36\pi }{2\pi }[/tex] = 18

Answer:

Therefore the maximum number of video games that we can purchase  

is 6.

Step-by-step explanation:

i) Let us say the number of video game system we can buy that costs $185

 is x and the number of video games of cost $14.95 is y.

ii) The total amount we can spend on the purchase of the video game

   system is $280.

iii) Now with the amount of $280 mentioned in ii) we can see that the

   number  of game systems that can be bought is 1.

 Therefore x = 1.

 Therefore the equation we can write to equate the number of video

  games  and video game system is given by $185 + $14.95 × y ≤ 280

  Therefore 14.95 × y ≤ 280 - 185 = 95

  Therefore y ≤   95 ÷ 14.95 = 6.355

  Therefore the maximum number of video games that we can purchase  

   is 6.

Answer:

slope = 3

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (1, 2) and (x₂, y₂ ) = (4, 11)

m = [tex]\frac{11-2}{4-1}[/tex] = [tex]\frac{9}{3}[/tex] = 3

Answer:

3

Step-by-step explanation:

y2 - y1/ X2 - X1

11 - 2/ 4-1

9/3

= 3

Answer:

Step-by-step explanation:

Since both points have their y coordinate as -6, and this is a line,

Then your answer would be y = -6

The transformed function after reflecting f(x)=|x| across the x-axis, moving it 2 units to the right, and 7 units down is f(x)=-|x-2|-7.

The original function is f(x)=|x|.

When the graph of the function is reflected across the x-axis, it changes the sign of the output or y-coordinate.

Thus, the absolute value function becomes f(x)=-|x|.

When this function is moved 2 units to the right, it results in a shift in the coordinate of x within the function, thus becoming f(x)=-|x-2|.

Lastly, when the function is moved 7 units down, 7 is subtracted from the function, resulting in the final equation of f(x)=-|x-2|-7.

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Answer:

n = 17.6

Step-by-step explanation:

Cross-multiply and you have:

5 * n = 11 * 8

5n = 88

n = 88/5 = 17.6

Answer:

12

Step-by-step explanation:

I calbvkjy

The answer is 3 :)

Have a nice day!