What is the constant of proportionality?


y = 11x

Please I need help I have to turn this in today!

Answer:

You have $360.

Step-by-step explanation:

Answer:

$13 + $10 +$30 +($100 x 3) + $7 = $360

Step-by-step explanation:

i hope this helps! Have a nice day!

The equivalent of the expression, 35 (8 – 3)  is (35 × 8 ) - (35 × 3). The answer is C.(35 × 8) – (35 × 3)

An expression in math is a sentence with a minimum of two numbers or variables and at least one math operation.

Therefore, let's simplify the expression to the its' equivalent as follows:

Hence,

35 (8 – 3) = 35(5) = 175

Therefore,  the equivalent is as follows:

35 (8 – 3)

Open the bracket by multiplying as follows;

35 (8 – 3)  = (35 × 8 ) - (35 × 3)

The correct option is C. (35 × 8) – (35 × 3)

learn more on expression here: https://brainly.com/question/111385

#SPJ6

Given :

A graph of Total Meals Packed vs Time( in hours ).

To Find :

How many meals would be packed in 20 hours.

Solution :

First we will find the equation of line.

Now, the line passes through ( 0, 0 ) and ( 4, 500 ).

So, equation of line passing through ( 0, 0 ) and ( 4, 500 ) is :

[tex]y - 0 = \dfrac{500-0}{4-0}( x - 0 )\\\\y = 125x[/tex]

Now, putting the value of x = 20 hours in above equation, we get :

y = 125 × 20 meals

y = 2500 meals

Therefore, number of meals packed in 20 hours is 2500 meals.

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

Explanation:

The variable n is a placeholder for a number. Specifically some positive number. Let's say that n = 50. This means Eric biked 50 miles last year.

That would mean in total he biked 50+457 = 507 miles overall over the two years.

Since we don't know what n is, we don't replace it with 50. So we just keep n as it is. We would keep it as n+457

Once, or if, we find out the value of n, then we can replace that letter with that number.

Answer:

16min

Step-by-step explanation:

80%*20min=4/5*20min=16min

Answer:

16 minutes

Step-by-step explanation:

If it takes 20 minutes and it takes Andre 80% as long, then you multiply 20 by %80

Answer:

[tex]180^{\circ}[/tex]

Step-by-step explanation:

Given that,

Total pies that sold = 700

Pumpkin pies = 350

We need to represent the degrees in the circle. It can be calculated as follows :

[tex]x=\dfrac{350}{700}\times 360\\\\x=180^{\circ}[/tex]

So, the pumpkin pies are represented by [tex]180^{\circ}[/tex].

Answer:

Step-by-step explanation:

Let the speed in the morning be s, then in the evening it is s - 4

The distance is equal both directions:

Time in hours:

Multiply all terms by 12 to clear fraction:

The distance is:

Answer:

the answer is 8.4

Step-by-step explanation:

hope it helps. even I'm stuck so I went on brainly and the guy who helped you is a god ls mark the other person brainliest he deserves it with all the clean work and all

Answer:

8/25

Step-by-step explanation:

To change 32% to a fraction:

Divide 32% by 100%, obtaining 0.32

This 0.32 is equivalent to 32/100, which in turn is equivalent to 8/25.

Answer:

I think its C

Step-by-step explanation:

Step-by-step explanation:

8x-3y

Answer:

The jacket increase by 25% in price.

Step-by-step explanation:

Given that:

Sale price of jacket = $210

New cost of jacket = $262.50

Change = New cost - Sale price

Change = 262.50 - 210 = $52.50

Percent increase = [tex]\frac{Change}{Sale\ price}*100[/tex]

Percent increase = [tex]\frac{52.50}{210}*100[/tex]

Percent increase = 0.25 * 100

Percent increase = 25%

Hence,

The jacket increase by 25% in price.

Answer:

Step-by-step explanation:

Answer:

it would be C

Step-by-step explanation:

because she had a 50/100 percent chance to get potato chips rather than pretzels.

(-2, -4.5)

Second answer down

Answer:

Step-by-step explanation:

STEP

1

:

           10

Simplify   ——

           x

Equation at the end of step

1

:

                       10

 ((((x4)-(5•(x2)))-6x)-——)-3

                       x

STEP

2

:

Equation at the end of step

2

:

                           10    

 ((((x4) -  5x2) -  6x) -  ——) -  3

                           x      

STEP

3

:

Rewriting the whole as an Equivalent Fraction

3.1   Subtracting a fraction from a whole

Rewrite the whole as a fraction using  x  as the denominator :

                     x4 - 5x2 - 6x     (x4 - 5x2 - 6x) • x

    x4 - 5x2 - 6x =  —————————————  =  ———————————————————

                           1                    x        

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

STEP

4

:

Pulling out like terms

4.1     Pull out like factors :

  x4 - 5x2 - 6x  =   x • (x3 - 5x - 6)

Polynomial Roots Calculator :

4.2    Find roots (zeroes) of :       F(x) = x3 - 5x - 6

Polynomial Roots Calculator is a set of methods aimed at finding values of  x  for which   F(x)=0  

Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers  x  which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number  P/Q   then  P  is a factor of the Trailing Constant and  Q  is a factor of the Leading Coefficient

In this case, the Leading Coefficient is  1  and the Trailing Constant is  -6.

The factor(s) are:

of the Leading Coefficient :  1

of the Trailing Constant :  1 ,2 ,3 ,6

Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        -2.00    

     -2       1        -2.00        -4.00    

     -3       1        -3.00        -18.00    

     -6       1        -6.00        -192.00    

     1       1        1.00        -10.00    

     2       1        2.00        -8.00    

     3       1        3.00        6.00    

     6       1        6.00        180.00    

Polynomial Roots Calculator found no rational roots

Adding fractions that have a common denominator :

4.3       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

x • (x3-5x-6) • x - (10)     x5 - 5x3 - 6x2 - 10

————————————————————————  =  ———————————————————

           x                          x        

Equation at the end of step

4

:

 (x5 - 5x3 - 6x2 - 10)    

 ————————————————————— -  3

           x              

STEP

5

:

Rewriting the whole as an Equivalent Fraction

5.1   Subtracting a whole from a fraction

Rewrite the whole as a fraction using  x  as the denominator :

        3     3 • x

   3 =  —  =  —————

        1       x  

Checking for a perfect cube :

5.2    x5 - 5x3 - 6x2 - 10  is not a perfect cube

Trying to factor by pulling out :

5.3      Factoring:  x5 - 5x3 - 6x2 - 10

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1:  -6x2 - 10

Group 2:  x5 - 5x3

Pull out from each group separately :

Group 1:   (3x2 + 5) • (-2)

Group 2:   (x2 - 5) • (x3)

Bad news !! Factoring by pulling out fails :

The groups have no common factor and can not be added up to form a multiplication.

Polynomial Roots Calculator :

5.4    Find roots (zeroes) of :       F(x) = x5 - 5x3 - 6x2 - 10

    See theory in step 4.2

In this case, the Leading Coefficient is  1  and the Trailing Constant is  -10.

The factor(s) are:

of the Leading Coefficient :  1

of the Trailing Constant :  1 ,2 ,5 ,10

Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        -12.00    

     -2       1        -2.00        -26.00    

     -5       1        -5.00       -2660.00    

     -10       1       -10.00       -95610.00    

     1       1        1.00        -20.00    

     2       1        2.00        -42.00    

     5       1        5.00        2340.00    

     10       1        10.00       94390.00    

Polynomial Roots Calculator found no rational roots

Adding fractions that have a common denominator :

5.5       Adding up the two equivalent fractions

(x5-5x3-6x2-10) - (3 • x)      x5 - 5x3 - 6x2 - 3x - 10

—————————————————————————  =  ————————————————————————

            x                            x            

Polynomial Roots Calculator :

5.6    Find roots (zeroes) of :       F(x) = x5 - 5x3 - 6x2 - 3x - 10

    See theory in step 4.2

In this case, the Leading Coefficient is  1  and the Trailing Constant is  -10.

The factor(s) are:

of the Leading Coefficient :  1

of the Trailing Constant :  1 ,2 ,5 ,10

Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        -9.00    

     -2       1        -2.00        -20.00    

     -5       1        -5.00       -2645.00    

     -10       1       -10.00       -95580.00    

     1       1        1.00        -23.00    

     2       1        2.00        -48.00    

     5       1        5.00        2325.00    

     10       1        10.00       94360.00    

Polynomial Roots Calculator found no rational roots

Final result :

 x5 - 5x3 - 6x2 - 3x - 10

 ————————————————————————

            x            

Answer:

Step-by-step explanation:

You have  to do total ratio

that will give you 20/15

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

HAHAHAHAHA! NOT IN THE MOOD!

The price of the movie itself is $19.99.

19.99 x 6% = 1.1994

19.99 + 1.1994 = 21.1894

Answer: $21.19

Answer:4<n<5

Step-by-step explanation: 13<5n-7<18

20<5n<25

4<n<5

Inequalities help us to compare two unequal expressions.The compound inequality that shows the range of numbers that Dewayne might be thinking of is 8<(5n-7)<13.

Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed. It is mostly denoted by the symbol <, >, ≤, and ≥.

The given clue by Dewayne can be written in the form of inequality as shown below. Therefore, we can write,

Hence, the compound inequality that shows the range of numbers that Dewayne might be thinking of is 8<(5n-7)<13.

Learn more about Inequality here:

https://brainly.com/question/19491153

#SPJ2

The equation of a circle with center at  [tex]C(-2, 7)[/tex]  and Point [tex]P(1, 11)[/tex] will be   [tex](x+2)^2+(y-7)^2=25[/tex] .

What is equation of a circle ?

Equation of a circle is written in the form [tex](x-h)^2+(y-k)^2=r^2[/tex] where [tex](h,k)[/tex]   is the center and  [tex]r[/tex]  is the radius.

We have,

Center at  [tex]C(-2, 7)[/tex]

i.e. [tex]h=-2[/tex], [tex]k=7[/tex],

And

Point [tex]P(1, 11)[/tex]

i.e. [tex]x=1[/tex], [tex]y=11[/tex]

Now,

To determine Radius of the circle;

[tex]r^2=(x-h)^2+(y-k)^2[/tex]

[tex]r^2=(1-(-2))^2+(11-7)^2[/tex]

[tex]r=\sqrt{3^2+4^2} =\sqrt{25}[/tex]

[tex]r=5[/tex]

So, radius of the circle is [tex]5[/tex] .

Now,

Equation of a circle ;

[tex](x-h)^2+(y-k)^2=r^2[/tex]

[tex](x-(-2))^2+(y-7)^2=5^2[/tex]

[tex](x+2)^2+(y-7)^2=25[/tex]

So, the Equation of a circle is  [tex](x+2)^2+(y-7)^2=25[/tex] .

Hence, we can say that the equation of a circle with center at  [tex]C(-2, 7)[/tex]  and Point [tex]P(1, 11)[/tex]  is   [tex](x+2)^2+(y-7)^2=25[/tex] .

To know more about Equation of a circle click here

https://brainly.com/question/23519482

#SPJ3

[tex]\text{Hello there!}[/tex]

To find a percentage, you will need to divide both numbers by each other. In this case, it would look similar to this:

[tex]\text{23 / 25 = ???}[/tex]

Once you divide the two numbers, you should end up with a result of [tex]0.92[/tex]

Now, we are going to move the decimal two spaces to the right to end up with the result:

[tex]\text{092.}[/tex]

Now, we are going to remove the [tex]0[/tex] as it is no longer required. Next, add a percentage symbol to the last number, and remove the decimal from the number.

Now, you should end up with something like this:

[tex]92\%[/tex]

[tex]\fbox{So your final answer is going to be 92\%}[/tex]

[tex]\rule{299}{1.5}[/tex]

Answer:

yes

Step-by-step explanation:

Answer:

4.1469 x 10^5

Step-by-step explanation:

multiply the coefficients and add the exponents

1.202 x 3.45 = 4.1469

10³ x 10² = 10^5

Answer: True.

Step-by-step explanation:

Here we have the number:

26,59,360

To find the place value of the 5, we first need to count the number of decimals at the right of the 5 (until we reach the decimal point)

For this case, at the left of the 5 we have 4 decimals (9, 3, 6 and 0)

Then the place value of the 5 in that number will be 10^4

this is equal to:

10^4 = (10)*(10)*(10)*(10) = 10,000

This means that the place value of the 5 is then thousand.

Then the statement is true.

Answer:

It would be option A.

Step-by-step explanation:

1/4h + 3

Answer:

[tex]Q(t) = 50e^{-0.0527t}[/tex]

Step-by-step explanation:

A certain radioactive material is known to decay at a rate proportional to the amount present.

This means that the situation can be described by the following differential equation:

[tex]\frac{dQ}{dt} = -rQ[/tex]

In which r is the decay rate.

Solving the differential equation by separation of variables, we have that:

[tex]\frac{dQ}{Q} = -r dt[/tex]

Integrating both sides:

[tex]\ln{Q} = -rt + K[/tex]

In which K is the integrative constant.

Applying the exponential to both sides, to remove the ln, we get:

[tex]Q(t) = Ke^{-rt}[/tex]

In which K is the initial amount present.

Initially there is 50 mg/L

This means that [tex]K = 50[/tex].

After 2 hours it is observed that the material has lost 10 percent of its original concentration

This means that [tex]Q(2) = 0.9K[/tex]. So

[tex]0.9K = Ke^{-2r}[/tex]

[tex]e^{-2r} = 0.9[/tex]

[tex]\ln{e^{-2r}} = \ln{0.9}[/tex]

[tex]-2r = \ln{0.9}[/tex]

[tex]r = -\frac{\ln{0.9}}{2}[/tex]

[tex]r = 0.0527[/tex]

So

[tex]Q(t) = Ke^{-rt}[/tex]

[tex]Q(t) = 50e^{-0.0527t}[/tex]