I thought of a number, added 4 5/7 to it, and got the number 12 times as big as my original what was my number

Answers

Answer 1
Let's call the number you thought of n. Then what the two steps you took can be written as an equation:
[tex]n+4\frac{5}{7}=12n[/tex]

Subtract n to get all of your variables to one side:
[tex]4\frac{5}{7}=11n[/tex]

At this point, I recommend turning your mixed number into an improper fraction. It will make things easier later on:
[tex]\frac{33}{7}=11n[/tex]

Now divide both sides by 11 to get the value of n:
[tex]\frac{3}{7}=n[/tex]
Answer 2

Answer:

3/7

Step-by-step explanation:


Related Questions

Which lines must be parallel if angle 10 is supplementary to angle 11?

Answers

lines x and z must be parallel with line c as its transversal for angle 10 and angle 11 to be supplementary

Analyze the function’s graph to determine which statement is true.
Over the interval [–2.5, 0.5], the local maximum is 2.
As the x-values go to positive infinity, the function’s values go to negative infinity. The function is decreasing over the interval (–1, 0.75).
The function is negative for the interval [–2, 0]

Answers

Let us examine the given statements:

1. Over the interval [-2.5, 0.5], the local maximum is 2.
    TRUE

2. As the x-values go to positive infinity, the function's values go to
    negative infinity.
    The opposite happens.
    FALSE

3. The function is decreasing over the interval (-1, 0.75).
    The function decreases in (-1, 0), but it increases in (0, 0.75).
    FALSE

4. The function is negative for the interval [-2, 0].
    The function is positive in [-2, -1). It is negative only in (-1, 0].
    FALSE

    
Final answer:

The truth of the statements in the question can be verified by analyzing the function's graph over the stipulated intervals. Understanding concepts such as local maxima, the behavior of functions at infinity, an interval of decrease, and intervals where a function remains negative or positive are essential in this process.

Explanation:

To determine which statement in the question is true, we need to analyze the function's graph. The statements included talk about specific behaviors of the function in different intervals of the x-axis.

The first statement mentions a local maximum of 2 over the interval [–2.5, 0.5]. You will need to locate this interval on the x-axis and see if 2 is indeed the highest y-value within this range. If there is a point on the function where the y-value is 2 and it is higher than all neighboring points, then this statement is true.

The second statement states that as the x-values go to positive infinity, the function's values go to negative infinity. This implies that as the function continues towards the positive direction on the x-axis, the y-values continuously decrease towards negative infinity. If the graph shows this, then this statement is true.

The third statement says the function is decreasing over the interval (–1, 0.75). This would mean that as x goes from –1 to 0.75, the y-values decrease. If you observe this on the graph, this statement is true.

The last statement asserts the function is negative for the interval [–2, 0]. If, for all x-values from –2 to 0, the corresponding y-values are below the x-axis (negative), then this statement is valid.

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Whether or not a measurement gives the same results when it is repeated under the same conditions is an indication of the measurement’s _____

Answers

Reliability. Reliable results are dependable since its outcomes are same. It is the conistency or repeatablity of measurements. In a reliable measurement the errors are not found. Errors degrade the reliability in measurements. It is proven by true score theory of mesurement.

Evaluate 4x^3 + 2 for x

Answers

Work:4x^3+2
X=-1
Plug in x
4 (-1)^3+2
4 (-1)+2
-4+2
-2
Answer: -2 (D)
Check your work: -2=4x^3+2
-2 both sides
-4=4x^3
÷4 both sides
-1=x^3
(Square root by 3) both sides
X=-1

Answer is correct
4(-1)^3 + 2 = 4(-1) + 2
= -4 + 2
= -2

The expression 53 ( 1 − x) gives the discounted price of a pair of shoes, where x is the percent of the discount written in decimal form.

What does 1 − x represent in the expression?

A. percent of original price being paid

B. discount price of the shoe

C. percent of discount

D. original price of shoe

Answers

i think its A. sorry if i got it wrong

Find the point-slope form of the equation of the line passing through the points (–1, –3) and (4, 1).

Answers

the answer is given above
Remember that point slope form is y-y1=m(x-x1)
Your y1 value is -3 and your x1 value is -1.
Before we can solve the equation, we need the slope first. To find the slope of a line, we need to use the equation y2-y1/x2-x1.
That would be 1-(-3)/4-(-1) which translates to 4/5. Your slope is 4/5.
Now we can plug this into the point slope form.
y-(-3)=4/5(x-(1))
That would be y+3=4/5x+4/5. You must then subtract 3 from 4/5. 
This would mean that y=4/5x-2.2
Hope this helps.

John and Mary Billings own a condominium with an acid value of 110000 if the tax rate is 25 meals per dollar off the valuation how much tax do they pay

Answers

So the tax rate is 25 mills per dollar.
A mills is equal to 0.001

This means that the tax they pay is 25 x 0.001 = 0.025 per dollar of valuation.
Since the acid value is 110,000, therefore the amount of tax they pay can be calculated as follows:
amount of tax = 110,000 x 0.025 = $2,750 tax paid

A 10-pound weight in a 2-pound weight are dropped from the same height at the same time which weight will hit the ground first

Answers

they would drop at the same time

Answer:

explained below

Step-by-step explanation:

when two object one of 10 pound weight and another of 2 pound is dropped from same height

condition 1 : when body fall In vaccum

When body fall in vaccum then there will be no effect of weight.

Both the body will hit the ground at the same time.

Condition 2 : when body falls in normal condition

When body falls in normal condition then in this condition the heavy weight object will fall first as the light weight object will have more air resistance than the heavy one.

Loretta invested $1000 in a simple interest account yielding 5% paid annually. In 2 years, she will have $1100 in her account. From this example, we can conclude that 5% represents the:

Answers

Final answer:

The 5% represents the annual interest rate on Loretta's investment in a simple interest account.

Explanation:

The 5% represents the annual interest rate on Loretta's investment. In simple interest, the interest is calculated as a percentage of the initial investment. So, if Loretta invested $1000, and after 2 years her account has grown to $1100, the interest earned would be $100 (1100 - 1000).

To find the interest rate, we can use the formula:

Interest = Principal * Rate * Time

Using the given information, we can plug in the values and solve for the rate:

100 = 1000 * Rate * 2

Simplifying the equation, we get:

Rate = 100 / (1000 * 2) = 0.05 or 5%

Therefore, the 5% represents the annual interest rate in this scenario.

The information below represents the cost of Cody's home ownership. What is his average monthly expenditure related to his home?
mortgage $1,255 per month
● taxes $2,881 per year
● insurance $156 per month
● HOA fees $320 per year
● utilities $475 per month

Answers

Let's calculate all expenses per month

a) Mortgage $1,255 →→→→→→→→→ =  $1,255 per month
b)Taxes $2,881 per year →→  $2,881/12 = $240.083  per month
c) insurance $156 →→→→→→→→→→  =$156 per month 
d) HOA fees $320 per year→→→=$320/12 = $ 26.66 per month 
e)utilities $475→→→→→→→→→→→→→=$475

Average monthly expenditure: a) + b) + c) + d) = $2,152.75 

Answer:

Cody's average monthly expenditure related to his home is $2,152.75        

Step-by-step explanation:

Since the question is asked for monthly expenditure. Thus our first work is to convert all given expenditure for per monthly.

Mortgage = $1,255

Taxes = $240.08

Insurance = $156

HOA fees = $26.67

Utilities = $475

Thus, Cody's average monthly expenditure related to his home is: 1,255 + 240.08 + 156 + 26.67 + 475 = $2,152.75

This diagram of airport runway intersections shows two parallel runways. A taxi way crosses both runways. How are 6 and 2 related?
a)corresponding angles
b) alternate interior angles
c)same side interior angles
d) none of these

Answers

Answer: A) Corresponding Angles

Refer to the diagram below.
Two angles are corresponding to each other when they are on the same line that crosses two parallel lines, one angle is inside the parallel lines, the other is on the outside.

Curt just drank a cup of coffee to help him stay awake. The coffee had 130 milligrams of caffeine in it. If his body processes 7% of the caffeine every hour, how much will be left in 4 hours?

93
94
98
91

Answers

Since we have to multiply it by 0.07 4 times (for each hour), we have 130 * 7^4

Answer:

After 4 hours, there will 91.31 miligrams of caffeine within his body.

Step-by-step explanation:

Givens

Curt drank 130 miligrams of caffeine.His body processes 7% of caffeine everyhour.

If Curt's body processes 7% every hour, we just need to that 7% after each hour. Also, we know that 7% equals 0.07.

First hour.

[tex]0.07(130)=9.1ml[/tex]

The first hour, his body processed 9.1 miligrams, so it remains

[tex]130-9.1=120.9ml[/tex]

There's still 120.9 miligrams in his body.

Second hour.

[tex]0.07(120.9)=8.46ml[/tex]

[tex]120.9-8.46=112.44ml[/tex]

Third hour.

[tex]0.07(112.44)=7.87ml[/tex]

[tex]112.44-7.81=104.63ml[/tex]

Fourth hout.

[tex]0.07(104.63)=7.32ml[/tex]

[tex]104.63-7.32=97.31ml[/tex]

Therefore, after 4 hours, there will 91.31 miligrams of caffeine within his body.

|2y+10|=-4 solve for y

Answers

l2y+10l=-4
2y+10=-4
2y=-14
y=-7

The answer is no solution.
The absolute value of something can never be negative.

Jorge is 1 year younger than his brother. The sum of their ages is no less than 25 years. Enter the youngest age Jorge's brother can be. Question 10 options:

12

13

14

15

Answers

Jorge's brother would be 13 years old
Final answer:

The youngest age Jorge's brother can be is 13. This is derived from the given condition that the sum of their ages is no less than 25, by assigning Jorge's brother's age as an unknown 'x' and using algebraic principles.

Explanation:

The subject question is a simple algebraic problem. Let's denote Jorge's brother's age as x, so Jorge's age would be x-1. The problem states that the sum of their ages is no less than 25, which would translate algebraically into x + (x-1) ≥ 25.

Then we simplify the equation by combining like terms, it turns into 2x - 1 ≥ 25. To isolate x, you first add 1 to both sides of the equation, which gives you 2x ≥ 26, and then divide both sides by 2, resulting in x ≥ 13.

Therefore, the youngest age Jorge's brother can be is 13.

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5x + 2y = 8
x + y = 4

If you want to solve the system of equations by addition, which of the following could you do?

(A.) Multiply the second equation by 5 and add.
(B.) Multiply the second equation by 2 and add.
(C.) Multiply the second equation by -2 and add.

Answers

Answer: C. Multiply the second equation by -2 and add

Step-by-step explanation:

Answer:

Step-by-step explanation:

The solution is C

5x + 2y = 8

-2x -2y= -8

3x = 0

x = 0

2y = 8

y = 4

(0,4)

the base of a pyramid has n sides write an expression for the number of faces of the pyramid

Answers

A pyramid always have a number of slant triangles equal to the number of the sides of the base.

This means that a pyramid always have the number of face which is one more than the number of sides of the base.

Therefore, given that a pyramid has n number of sides of the base, the expression for the number of faces of the pyramid is given by

number of faces = n + 1.

 Need Answer ASAP!!!!!!!Solve the equation using the zero product property. -n(5n-4)=0

Answers

-n(5n-4)=0
-5n^2+4n=0
n(-5n+4)=0
n=0
-5n+4=0
-5n=-4
n=4/5

Answer:

[tex]n=0\text{ or }n=\frac{4}{5}[/tex]

Step-by-step explanation:

We have been given an equation [tex]-n(5n-4)=0[/tex]. We are asked to solve our given equation using zero product property.

Zero product property states that the product of two expressions are zero, if and only if, one of them is zero.

Using zero product property, we will set each factor of our equation to zero as:

[tex]-n=0\text{ or }(5n-4)=0[/tex]

[tex]n=0\text{ or }5n-4=0[/tex]

[tex]n=0\text{ or }5n-4+4=0+4[/tex]

[tex]n=0\text{ or }5n=4[/tex]

[tex]n=0\text{ or }\frac{5n}{5}=\frac{4}{5}[/tex]

[tex]n=0\text{ or }n=\frac{4}{5}[/tex]

Therefore, the solutions for our given equation are [tex]n=0\text{ or }n=\frac{4}{5}[/tex].

Find the Domain and Range (show work)

Answers

see attached picture for solutions:


Domain: {x| x ≠ -4, x ∈ R} or (-∞,-4)∪(-4,∞)
Solving: your denominator cannot equal zero so solve this x + 4 ≠ 0 

Range: (f(x) | f(x) ≥ 0} or [0, ∞)
Solving you can get zero because x = 0 gives you zero
but when you test other numbers in your domain like x = -2 and x = 2 you only get positive results. Therefore your range is all real non-negative numbers.

The perimeter of a rectangle is 42 inches, and its area is 110 square inches. find the length and width of the rectangle.

Answers

[tex]p = 2w + 2l[/tex]              [tex]p = 42[/tex] 
[tex]a = l * w[/tex]                   [tex]a = 108[/tex]

You want to make either the length or width variable (I chose the width variable to be by itself. It doesn't matter) by itself by:

Divide both sides by 2.
(p) ÷ 2 = (2w + 2l) ÷ 2 
               [tex]2's[/tex]  [tex]cancel[/tex]  [tex]out[/tex]
[tex] \frac{p}{2} = w + l[/tex]

Subtract both sides by either length or width depending on what variable you chose to make by itself (in this case I subtracted the length variable because I wanted the width variable by itself).
[tex]\frac{p}{2} - l = w + l - l[/tex]
                 [tex]l's[/tex]  [tex]cancel[/tex]  [tex]out[/tex] 
p/2 - l = w

[tex]a = l * w[/tex]

You replace w with the equation above p/2 - l = w 
[tex]a = l( \frac{p}{2} - l)[/tex]

Multiply out the L.
[tex]a = \frac{p}{2}l - l^{2}[/tex]

Plug in all your numbers a = 110 and p = 42
[tex]110 = \frac{42}{2}l - l^{2}[/tex]
[tex]110 = 21l - l^{2[/tex]

Move everything to the left side so [tex] l^{2} [/tex] would be positive (makes the equation easier when [tex] l^{2} [/tex] is positive).
[tex]l^{2} - 21l + 110 = 0[/tex]

Factor.
[tex](l -10)(l-11) = 0[/tex]

Make each parenthesis set equal to 0.
[tex]l-11=0[/tex]     [tex]l-10=0[/tex]

Add.
[tex]l = 11[/tex]  [tex]l = 10[/tex]

By doing this you solve for both the width and length so the answer is:
w = 11    L = 10

define a variable and write an inequality to model each situation. The school auditorium can seat at most 1200 people.

Answers

The picture is the answer

Shaylee is determining if 6 is the solution to the equation.
    42 ÷ w = 7 for w = 6
First, Shaylee must substitute ( ) for ( ).
To simplify, Shaylee must divide ( ) by ( ) .

Answers


First, Shaylee must substitute (6) for (w)

To simplify,Shaylee must divide (42) by(6)

:)

6 is the solution of the equation 42 ÷ w = 7.

What is Division?

A division is a process of splitting a specific amount into equal parts.

Given that Shaylee is determining if 6 is the solution to the equation

42 ÷ w = 7 for w = 6

Forty two divided by w equal to seven for w equal to six.

First, Shaylee must substitute 6 for w.

To simplify, Shaylee must divide 42 by 6

42/6=7

So 6 is the solution of the equation.

Hence, 6 is the solution of the equation 42 ÷ w = 7.

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Dustin has only nickels and quarters in his piggy bank. He has 49 coins total for a combined value of $8.85. How many of each does he have

Answers

Answer:

Dustin has 17 nickels and 32 quarters.

Explanation:

Let's denote the number of nickels as [tex]\(n\)[/tex] and the number of quarters as [tex]\(q\).[/tex]

We can set up a system of equations based on the given information:

1. The total number of coins: [tex]\(n + q = 49\)[/tex]

2. The total value of the coins: [tex]\(0.05n + 0.25q = 8.85\)[/tex]

We can solve this system of equations to find the values of [tex]\(n\) and \(q\).[/tex]

From equation (1), we can express [tex]\(n\)[/tex] in terms of [tex]\(q\):[/tex]

[tex]\[n = 49 - q\][/tex]

Now, substitute this expression for [tex]\(n\)[/tex] into equation (2):

[tex]\[0.05(49 - q) + 0.25q = 8.85\][/tex]

[tex]\[2.45 - 0.05q + 0.25q = 8.85\][/tex]

Combine like terms:

[tex]\[0.20q + 2.45 = 8.85\][/tex]

Subtract 2.45 from both sides:

[tex]\[0.20q = 6.40\][/tex]

Now, divide both sides by 0.20:

[tex]\[q = \frac{6.40}{0.20} = 32\][/tex]

So, Dustin has 32 quarters.

To find the number of nickels, we can substitute the value of \(q\) into the equation [tex]\(n + q = 49\):[/tex]

[tex]\[n + 32 = 49\][/tex]

[tex]\[n = 49 - 32\][/tex]

[tex]\[n = 17\][/tex]

So, Dustin has 17 nickels.

A segment has an endpoint (14,-8) and (4,12) what are the coordinates of its midpoint

Answers

I believe it's (9,2)

The coordinates of the midpoint of the segment that has endpoints as (14,-8) and (4,12) are (9,2).

What are the coordinates of the midpoint of the line segment AB?

Midpoint, as the word suggests, means the point which lies in the middle of something. The midpoint of a line segment means a point which lies in the mid of the given line segment.

Suppose we've two endpoints of a line segment:

A(p,q), and B(m,n)

Then let the midpoint be M(x,y) on that line segment. Then, its coordinates are:

x = (p+m) / 2

and

y = (q+n) / 2

Given that a segment has an endpoint (14,-8) and (4,12). Therefore, The coordinates of the midpoint of the segment can be written as,

X- coordinate = (14+ 4)/2

                      = 18/2

                      = 9

Y- coordinate = (-8+12)/2

                      = 4/2

                      = 2

Hence, the coordinate of the midpoint of the segment that has endpoints as (14,-8) and (4,12) is (9,2).

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Chords AC and BD intersect at the center of circle ABCD. If the length of CP = 8, which is the length of PB?

Answers

Given that the chords intersect at the center, you conclude that they both are diameters.

Now, you have that the point p is the intersection point, so it is the center of the circle.

Then, the length of CP is the radius of the circle, and also the lenght of PB is the radius.

So, the length of CP is equal to the length of PB, and it is 8.

Answer: 8.

Solve 4/5m = -15 show you’re work please ;)

Answers

4/5m = -15
m = -15 (5/4)
m = -75/4
m = -18.75
simplify 4/5m to 4m/5

(4m/5 = -15)


Multiply both sides by 5

(4m = -15 x 5)


simplify 15 x 5 to 75

4m = -75

divide both sides by 4

(m = 75/-4)

Answer: m = 75/-4

*The work in the parenthesis box is the work shown

* The words above the parenthesis box are the steps in order

* The text in bold is the answer.

Which expression is the factored form of 2/3x+4 ?

A 2/3(x+6)

B 2/3(x+12)

C 2/3(x+4)

D 1/3(2x+6)

Answers

the answer is A. (2/3)(x+6)
2/3x+4
4/(2/3)=6
2/3(x+6)

If 6 cats can kill 6 rats in 6 minutes, how many cats will it take to kill 100 rats in 50 minutes? previous next

Answers

6 cats-6 rats-6mins = 200 cats-100 rats-50 minutes.

200



How to find an equation in slope intercept form given two points?

Answers

Example :

(1,2)(3,4)

first we find the slope by using the slope formula
slope = (y2 - y1) / (x2 - x1)
now we label our points..
(1,2)...x1 = 1 and y1 = 2
(3,4)...x2 = 3 and y2 = 4
now we sub and find the slope
slope = (4 - 2) / (3 - 1) = 2/2 = 1....so we have a slope of 1

now we use y = mx + b
slope(m) = 1
use either of ur points...(1,2)...x = 1 and y = 2
now we sub into the formula and find b, the y int
2 = 1(1) + b
2 = 1 + b
2 - 1 = b
-1 = b ....this is ur y int

and in y = mx + b form, the slope will be in the m position and the y intercept will be in the b position

y = mx + b
slope(m) = 1
y int (b) = -1

so ur equation in slope intercept form is : y = 1x + (-1) which can be written as : y = x - 1




Find four consecutive even integers such that if the sum of the first and the third is multiplied by 5 the result is 12 less than 9 times the fourth

Answers

4 consecutive even integers....x, x + 2, x + 4, x + 6

5(x + x + 4) = 9(x + 6) - 12
5(2x + 4) = 9x + 54 - 12
10x + 20 = 9x + 42
10x - 9x = 42 - 20
x = 22

x + 2 = 22 + 2 = 24
x + 4 = 22 + 4 = 26
x + 6 = 22 + 6 = 28

so ur numbers are : 22,24,26, and 28

Compare 4:10 and 12:20 using fractions. Which ratio is smaller? How do you know?

Answers

4:10 is smaller because it will take less to make it whole.

Answer:

4:10 is smaller because when put into fraction form and making the denominators even, 12:20 comes out to be 6/10

Step-by-step explanation:

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