Enter an expression that represents the following statement, and then solve the expression.

3 less than the product of 6 and −4.

The expression is .
The value of the expression is

Answer:

Step-by-step explanation: i'm not one hundred percent sure but i think its B

The correct formula for the margin of error in the interval estimation of p is Za/2 √p(1-p)/n.

Interval estimation:

Interval estimation refers the evaluation of a parameter—for example, the mean (average)—of a population by computing an interval, or range of values, within which the parameter is most likely to be located.

Given,

Here we need to find the correct formula for the margin of error in the interval estimation of p.

In order to find the correct formula for the margin of error, we have to know the definition of the margin of error,

Margin of error states that "a statistical measurement that accounts for the difference between actual and projected results in a random survey sample."

According to this definition, we have identified that the correct formula, for the margin of error in the interval estimation P is written as,

=> Za/2 √p(1-p)/n.

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The way to calculate the percentage change will be:

Step 1: Take one value and subtract it from another.

Step 2: Subtract the error from the exact or ideal value (not your experimental or measured value). This will result in a decimal number.

Step 3: Multiply the decimal number by 100 to get the percentage.

Step 4: To report your percent error value, use the percent or % symbol.

The difference between an approximate or measured value and an exact or known value is expressed as a percentage in percent error.

It is a scientific term that describes the difference between a measured or experimental value and a true or exact value.

It's important to divide the new value by the old value to get the percentage change.

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y = 7c -  34 is slop intercept form of equation .

What is an explanation of the slope-intercept form?

slop intercept form of equation

             y = mx + c

Y+6=7(c-4)

y + 6 = 7c - 28

 y = 7c - 28 - 6

  y = 7c -  34

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yes, because the midpoints (a+c) = b

Given that the line's equation is y=x.

B and C are the two points on this line.

( a+ c, b) is the midpoint of B and C.

We can see from this that using the midpoint formula

a + c = [tex]\frac{x1+x2}{2}[/tex]

b=[tex]\frac{y1+y2}{2}[/tex]

Because both points are on y=x, we get

x1=y1, x2=y2.

As a result, x1 = a+c and 2y1 = 2b or y1 =b.

Because x1=y1, we have a+c =b.

In other words, the coordinates of the midpoint satisfy the equation y=x.

Thus, the answer is

because (a+c) = b

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Jordan worked 9 hours as lifeguarding

Jordan worked 6 hours walking dog

given that

Jordan making $13 per hour lifeguarding and $10 per hour walking the dog

last week Jordan earned a total of $177

let x be the number of hours  she worked walking the dog

let y be the number of hours she  worked as a lifeguard

13y+10x=177 -------- (1)

worked 3 more hour lifeguarding than an hour walking dog

y = 3 + x --------(2)

substitute equation 2 in 1

13(3+x) +10x =177

39+13x+10x = 177

39 + 23x = 177

23x = 177 -39

23x = 138

x = 138/23

x = 6

now substitute x=6 in equation 2

y = 3 + 6

y = 9

9 number of hours he worked lifeguarding last week

6 number of hours he worked walking dog last week

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Answer:

-25/21

Step-by-step explanation:

Slope Formula:

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

m=(-10 - 15)/(6 - (-15))

m=(-(10+15)/(6+15))

m=-25/21

The correct option is A which is x=-1/2 is the position of stable equilibrium.

Given in the question,

F=2x²−3x−2

dx/dF = 4x−3<0

x<3/4 for stable equilibrium

x>3/4 for unstable equilibrium

For stable F=0

2x²−3x−2=0

2x²−4x+x−2=0

2x(x−2)+1(x−2)=0

(2x+1)(x−2)=0

x=−1/2 ,x=+2

In the event that a system in equilibrium is disturbed marginally, in the event that it is steady it will in general re-visitation or waver about its unique equilibrium state. An unsteady system will in general keep on getting away from its unique equilibrium state when moved away by it. Consequently, on account of a stable equilibrium, there is a tendency for the item to return to its old position. In an unstable equilibrium again, the balance is temperamental when a slight unsettling influence inspires further unsettling influence, with the goal that the first position is rarely reestablished.

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The equation that represents this situation while the variable s representing the amount of dough needed , for a small pizza is (5/2)S = (3/2)S + S  .

In the question ,

it is given that

amount of dough for a medium pizza is 3/2 times the amount of dough for small pizza ,

let the amount of dough required for small pizza = S

let the amount of dough required for large pizza = L

let the amount of dough required for medium pizza = M

So , M [tex]=[/tex] (3/2)S

and amount of dough for a large pizza is 5/2 times the amount of dough for small pizza ,

that is

L [tex]=[/tex] (5/2)S

amount of dough used for one large pizza is equal to the amount of dough used for one medium and one small pizza ,

that is L [tex]=[/tex] M [tex]+[/tex] S .

Substituting the value of L and S , we get

(5/2)S [tex]=[/tex] (3/2)S + S

We have a linear equation that is true for all S , there is no unique solution to this equation .

Therefore , The equation that represents this situation is (5/2)S = (3/2)S + S .

The given question is incomplete , the complete question is

Tony is opening a pizza restaurant and needs to determine the amounts of ingredients he will use in his pizzas. He wants the amount of dough for a medium pizza to be 3/2 times the amount of dough for a small pizza. And, he wants the amount of dough for a large pizza to be 5/2 times the amount of dough for a small pizza. Also, the amount of dough used for one large pizza should to be equal to the amount of dough used for one medium and one small pizza. So, he needs to determine how much dough to use for a small pizza. Use this information to complete the following tasks.

Write an equation to represent this situation while the variable s representing the amount of dough needed , for a small pizza .

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The following data is gotten from comparing the graph of  f(x) = 3x + 5 to graph of g(x) = 3(0.1x) + 5

Both has y intercept of 5

g(x) is a vertical compression of f(x) by a factor of 0.1

The graph of the both linear equation is plotted and attached

solving for y intercept by substituting x = 0 into f(x) = 3x + 5 shows that

f(x) =  5

solving for y intercept by substituting x = 0 into g(x) = 3(0.1x) + 5 shows that

g(x) =  5

examining the both equations, it can show that the slope of f(x) is  multiplied by a factor 0.1 this results to vertical shrink

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The rate for Printer B is greater than the rate for Printer A because the rate of 25 pages per minute is greater than the rate of 15 pages per minute for Printer A.

From the attached graph of the printing rate of Printer A, we can see that;

At 1 minute, number of pages printed = 15

At 2 minutes, number of pages printed = 30 minutes

At 3 minutes, number of pages printed = 45

Thus printing rate for printer A is; 15/1 = 30/2 = 45/3 = 15 pages per minutes

Since printer B can print 25 pages per minute, we can conclude that;

The printing rate for Printer B is 10 pages more than the rate of printer A because the rate of 25 pages per minute is 10 pages more than the rate 15 pages per minute for Block A

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Complete question is;

The graph shows the printing rate of printer A. Printer B can print at the rate of 25 pages per minute. How does the printing rate of printer B compare to the printing rate for printer A.

Answer:

0.5

Step-by-step explanation:

If 50% of £2 is £1

and 25% of £1 is 25p

we can workout that 25% of £2 is 0.5

Step-by-step explanation:

Answer: D.) g(x) = 6(3)^{-x}g(x)=6(3)

−x

Step-by-step explanation: We are given an exponential function f(x).

g(x) is an exponential function that is being reflected across y-axis.

According to rules of transformations y=f(-x).

That is variable x is being multiplied by a negative sign.

In the given options g(x) = 6(3)^{-x}g(x)=6(3)

−x

, the variable x is being multiplied by a negative sign.

Therefore, correct option is D option.

The function represents the reflection is g(x) = 6 (3[tex])^{-x[/tex].

A function is a type of rule that produces one output for a single input.

a mathematical phrase, rule, or legislation that establishes the link between an independent variable and a dependent variable (the dependent variable).

We are given an exponential function f(x).

Also, g(x) is an exponential function that is being reflected across y-axis.

Here the rule of transformations y=f(-x).

The x-coordinate and y-coordinate swap places and the signs if you deflect across the line y = -x.

Reflections: By multiplying by -1, a function can be mirrored about an axis.

So, the function after reflection is

g(x) = 6 (3[tex])^{-x[/tex]

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Answer:

Step-by-step explanation:

[tex]\pmb {sin(22)^o=\cfrac{x}{35} }[/tex]

[tex]\pmb {35sin(22)=w}[/tex]

[tex]\pmb {w=13.11}[/tex]

_________________

Hope this helps!

Have a great day! :)

Answer:

a = [tex]\frac{1}{7}[/tex]

b = .2

c= [tex]\frac{3}{9}[/tex]

Step-by-step explanation:

You could change all of the numbers to decimals and then order

[tex]\frac{1}{7}[/tex] ≈ .1428

.2 =.2

[tex]\frac{3}{9}[/tex] ≈ .3

Answer:

4y + 4

Step-by-step explanation:

Place similar together: 2y - 5y + 6y + 1y + 7 -3
Solve: (2-5+6+1)y + 4
           4y + 4

Answer:

Step-by-step explanation:

Statements:                                        Reasons:

RO bisects MP                                    Given

MO is congruent to PO                      Definition of a bisector

RO is congruent to RO                       Reflexive property

That is all i know so far and what I have learned. I'm in 9th grade so i don't know much. Sorry! Wish i could help more

The function of the resulting transformation is f(x) = -x - 3 + 6.

Given:

The graph f (x) = x is shifted down 6 and to the right 3 and reflected over the x-axis.

The  first transformation:

shifted down 6 units

f(x) = x - 6

second transformation:

x = x + 3.

f(x) = x + 3 - 6

Third transformation:

reflected over the x-axis.

f(x) = -1(x+3-6)

f(x) = -x - 3 + 6.

Therefore the function of the resulting transformation is f(x) = -x - 3 + 6.

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The values of the function when x = 3 are -10. -1 and -3, respectively

Function 1

The equation of the function is given as

y = -4x + 2

We have the value of x to be 3

So, we have

y = -4 x 3 + 2

Evaluate

y = -10

Function 2

The graph represents the notation of the function

On the graph, we have the value of y to be -1, when x = 3

This means that

y = -1

Function 3

The table represents the notation of the function

On the table, we have the value of y to be -3, when x = 3

This means that

y = -3

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The slope of the line y = 5x + 4 is 5.

Slope i.e. m = 5.

Given, a line of equation

y = 5x + 4

We have to find the slope of the given line,

Now, as we know the slope-intercept form of a line i.e.

y = mx + c

where, m is the slope of the line and c is the y-intercept of the line.

So, using the same form in the line, we get

y = 5x + 4

the slope of the line is 5.

Hence, the slope of the line y = 5x + 4 is 5.

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The amount remaining on her after one year is $5000  .

In the question ,

it is given that ,

amount taken by Susan from her father = $8000 ,

interest rate charged by Susan father = 0%

amount that Susan will repay her loan per month = $250 .

So , the amount that Susan will repay in 12 months = 12×250

= $3000

So , in 1 year Susan will pay $3000 ,

the amount of loan remaining after 1 year = (loan amount) - (amount paid in 1 year)

the amount of loan remaining after 1 year = 8000 - 3000

= $5000

Therefore , The amount remaining on her after one year is $5000  .

The given question is incomplete , the complete question is

Susan Asked her father for a no-interest loan of $8,000 so she could purchase a used car. She told her father that she would repay the loan at a rate of $250 per month . How much will be remaining on her loan after one year ?

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The parabola with the equation (x-4)²=-15(y+18) opens downwards.

The equation of the parabola is (x-4)²=-15(y+18)

From the equation we can infer that the parabola has the vertex at (4,-18) and the axis of symmetry is the line x = 4 .

(x-4)²=-15(y+18)

or, x² -8x + 16 = -15y -270

or, 15y = -x² + 8x - 286

The equation is of the general form : y = ax² + bx + c therefore the parabola will have two x values for every y value. So either the parabola will open upwards or downwards.

Now the general form of the parabola we find that the coefficient of the highest power of x is -1 (negative value)

Therefore the graph of the parabola opens downwards as illustrated by the graph of the parabola attached below.

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Based on the pattern in the table (see attachment), 11 truck loads of fruit would cost $27,830.

Mathematically, a direct proportion or direct variation can be represented the following mathematical expression:

y = kx

Where:

By applying direct proportion, we have the following mathematical expressions:

1 truck load of fruit = 2,530 dollars.

11 truck load of fruit = X dollars.

Cross-multiplying, we have the following:

Cost, X dollars = 11 truck load of fruit × 2,530 dollars.

Cost, X dollars = 27,830 dollars.

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If we simplify the fraction we will see that the slope is equal in the two segments of the line.

A linear equation is written as:

y = m*x + b

Where m is the slope and b is the y-intercept, both of these are constants.

In this case the student found the slope on one part to be 4, and on other part to be 8/2.

But if you solve that second quotient:

8/2 = 4

The slope is still 4, so in both segments the slope is the same, which means that the slope is equal at different parts of the line.

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Answer:

Step-by-step explanation:

53.6 oz + 4.7 oz

= 58.3 oz in total

Answer:

58.3 ounces

Step-by-step explanation:

53.6 + 4.7 = 58.3

The value of a is 5/19

The value of b is -160/19

The value of c is 960/19

Given,

The quadratic function formula;

p(t) = at² + bt + c

We have to interpret quadratic graphs;

Thus, the equation is now;

p(t) = at² + bt + 0

p(t) = at² + bt

From the graph, we see that when x = 8, y = 0. Thus;

p(8) = a(8²) + 8b + c = 0

64a + 8b + c = 0   ------(1)

From the graph, we know that the axis of symmetry is;

x = -b/2a

Thus;

16 = -b/2a

b = -32a  -----(2)

From the graph, we see that when x = 5, y = 15. Thus;

p(8) = a(5²) + 5b + c = 0

25a + 5b + c = 15   ------(3)

Put -32a for b in eq 1 and 3 to get;

64a + 8(-32a) + c = 0  

-192a + c = 0   ------(4)

25a + 5(-32a) + c = 15

-135a + c = 15   ------(5)

Subtract eq 4 from eq 5 to get;

192a - 135a = 15

57a = 15

a = 15/57

a = 5/19

Thus;

b = -32(5/19) = -160/19

-135(5/19) + c = 15

15 + (675/19) = c

c = 960/19

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The value of 12x is -60, if x = -5.

Given expression is 12x, if x = -5

To solve the expression we have to compute the x value in the given expression:

= 12x

= 12(-5)

Now we have to simplify 12(-5) by multiplying negatives

= -12*5

Multiplying an odd number of negative numbers gives a negative number.

So, Now we have to multiply the constants, that equals to

= -60

Hence the answer is the value of 12x is -60, if x = -5.

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