On Tuesday Jill bought eight posters. On
Wednesday half of all the posters that she
had were destroyed. On Thursday there
were only 22 left. How many did she
have on Monday? Write an equation using
"p" for posters. Then solve the equation
and check your answer.

Answers

Answer 1

The number of posters Jill had on Monday are 18.

The equation is p + 8 - 4 = 22.

Given that:-

Number of posters bought by Jill on Tuesday = 8

Number of posters left on Thursday = 22

We can write,

Number of posters destroyed on Wednesday = (1/2)*8 = 4

Let the number of posters Jill had on Monday be p.

Hence, the equation for the posters is given by:-

Posters on Monday + Posters bought on Tuesday - Posters destroyed on Wednesday = Total posters on Thursday

It can be written as:-

p + 8 - 4 = 22

Solving the equation, we get

p + 4 = 22

p = 22 - 4

p = 18

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Related Questions

What is the y-intercept of the given graph?

A) -4
B) 3
C) 4
D) None of these choices are correct.

Answers

Answer:

Answer should be 3

Step-by-step explanation:

prove me wrong

Ela enjoys scuba diving. On one particular trip she was diving at a rate of 5 ½ ft per
minute. If Ela started at the surface, how far below the surface was she after 6 minutes?
(Hint: below sea level is a negative value)

Answers

Answer:

30 1/2

Step-by-step explanation:

Need help with this !!!!

Answers

The equation of the line in slope intercept form is y = -7x/2 - 5.

What is termed as the slope intercept form?A straight line's slope-intercept form is y = mx + b. In the equation y = mx + b for a straight line, m is known as the slope and b is known as the y-intercept. where y = mx+by = how much further up or down the line is,x = how far along the line is it,b = value of y when x equals 0 andm = indicates how steep this same line is.This is calculated using m = (distinction in y coordinates)/ (difference in x coordinates).

For the given question,

The graph of the straight line is given.

Select two points which lies on the line.

(x₁, y₁) = (0, -5)

(x₂, y₂) = (-2, 2)

Find the slope using the formula.

m = (y₂ - y₁)/(x₂ - x₁)

m = (2 + 5)/(-2 - 0)

m = -7/2

The equation of the line in slope intercept form is given as;

y - y₁ = m(x - x₁)

Put the values.

y + 5 = (-7/2)(x - 0)

y = -7x/2 - 5

Thus the equation of the line in slope intercept form is y = -7x/2 - 5.

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Which of these strategies would eliminate a variable in the system of equations?
2x + 3y = -5
2x - 3y = 10
Choose all answers that apply:

Answers

Answer:

jhhuibhhhiihhuuuuuuuuuuuuuuuuuuuuuuuu

Line 1: m = 4/5
Line 2: m = -5/4
Are the lines parallel, perpendicular, or neither?
neither
perpendicular
parallel

Answers

perpendicular. the slopes of perpendicular lines are opposite reciprocals

Write your answer as a fraction or mixed number in simplest form. 4 6/7 ÷ 9

Answers

The value of the given expression in simplest form is  34/63.

Mixed fraction

It is a form of a fraction which is defined as the ones having a fraction and a whole number.

Example: 2(1/7), where 2 is a whole number and 1/7 is a fraction.

To convert 2(1/7) into improper fraction , we will multiply 7 and 2 and then add 1 to it to get the numerator part and 7 will be the denominator of the fraction that is 15/7.

Given expression:

4(6/7) ÷ 9

We have to find the value of the given expression in simplest form.

We can write the mixed fraction 4(6/7) as 34/7

(34/7)  ÷ 9

(34/7)*(1/9) = (34*1)/(7*9) = 34/63

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The point (-13, 24) is on the graph of y = f(x). Find the corresponding point on the graph of y= g(x), where g(x) = 1/4f(x)

Answers

Answer:

(−12,2)

Step-by-step explanation:

1:

Dividing the function by 2 divides all the y-values by 2 as well. So to get the new point, we will take the y-value

(4) and divide it by 2 to get 2

.

Therefore, the new point is

(−12,2)

2:

Subtracting 2 from the input of the function makes all of the x-values increase by 2 (in order to compensate for the subtraction). We will need to add 2 to the x-value

(−12) to get −10

.

Therefore, the new point is

(-10,4)

3:

Making the input of the function negative will multiply every x-value by

1

. To get the new point, we will take the x-value

(−12) and multiply it by −1 to get 12.

Therefore, the new point is

(12,4)

4:

Multiplying the input of the function by 4 makes all of the x-values be divided by 4 (in order to compensate for the multiplication). We will need to divide the x-value

(−12) by 4 to get −3

.

Therefore, the new point is

(−3,4)

5:

Multiplying the whole function by

4

increases all y-values by a factor of

4

, so the new y-value will be

4

times the original value

(4), or 16.

Therefore, the new point is

(−12,16)

6:

Multiplying the whole function by

−1

also multiplies every y-value by

−1

, so the new y-value will be

−1

times the original value

(4), or −4.

Therefore, the new point is

(−12,−4)

Please help, it's due today!

Answers

Answer:

Output= -31

Step-by-step explanation:

f(x)= -3x²+8x-3

Therefore, f(-2)= -3(-2)²+8(-2)-3

                        = -3×4 -16 -3

                         = -12-16-3

                          = -31

a) What is the difference between a 90º counterclockwise rotation and a 90º clockwise rotation?

b) If you use the letter C, what letter will each of those rotations look like...
...a 90º counterclockwise rotation?
...a 90º clockwise rotation?

Answers

Answer: answer to A: Clockwise rotations clockwise, while counterclockwise rotations rotate in the opposite direction  

Answer to B: i have no idea but i hope the first one helps

Step-by-step explanation:

What is the slope of the line perpendicular to the line represented by the equation 2x+2y=-12

Answers

The slope of the line perpendicular to the line given by equation  2x+2y=-12 is found as 1.

What is the definition of line slope?The slope of a line measures its steepness as well as direction.The slope of a line is defined as the change throughout y coordinate in relation to the transitions in x coordinate.The net change in y coordinates is Δy, while the net change in x coordinates is Δx.So m represents the change in y coordinate in relation to a shift in x coordinate.

The slope can be calculated using the following formula:

m = Δy/Δx

Where, m is the slope.

The equation of the line is; 2x+2y=-12

Write the equation in slope-intercept form.

2x + 2y = -12

Divide by 2.

x + y = -6

y = -x - 6

Slope m₁ = -1 and y-intercept = -6.

As, both line are perpendicular.

Thus,

m₁ x m₂ = -1

m₂ = -1/m₁

Put the value.

m₂ = -1/(-1)

m₂ = 1

The slope of the perpendicular line is found as 1.

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Lynette is making candles for her online store the wholesale cost of the materials for one candle is $5.35 if she sells a candle for $12 what is the percent markup round to the nearest percent

Answers

The percent markup is 124.30%.

The wholesale cost of one candle is $5.35

The selling price of the candle is $12

The profit she earns = 12 - 5.35

                                  = $6.65

Here we have to find the percent markup.

The formula for the percent markup =( profit/ wholesale cost )× 100

Markup percent = 6.65 / 5.35 × 100

                          = 1.24299 × 100

                          = 124. 30%

Therefore the markup percentage is 124.30%.

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A truck rental company rents a moving truck for one day by charging $23 plus $0.09 per mile. Write a linear equation that relates the cost C, in dollars, of renting the truck to the number x of miles driven.
What is the cost of renting the truck if the truck is driven 107 miles? 419 miles?

Answers

A linear equation is an algebraic equation of the form y = mx + b. The cost of renting the truck if the truck is driven 107 miles exists $32.63.

What is meant by linear equation?

A linear equation is an algebraic equation of the form y = mx + b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation. A linear equation with one variable has the conventional form Ax + B = 0. In this case, the variables x and A are variables, while B is a constant.

Number of miles travel exists represented by "x"

cost per mile is represented by "c"

therefore we have equation,

c = 23 + 0.09 x

For 1 mile that is x = 1, cost c = $25.07

For 220 miles that is x = 220

c= 23 + 0.09 × 107

c= $32.63

For 107 miles the cost will be $32.63.

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Can someone explain how I would get the answer to this?

Answers

We are given the following values of the function to be

[tex]\begin{gathered} f(x)=7x^2-2x+5 \\ g(x)=-x+2 \end{gathered}[/tex]

To find (f.g)(x)

We will find the product of f(x) and g(x)

[tex]f(x)\times g(x)=(7x^2-2x+5)\times(-x+2)_{}[/tex]

Upon expanding, we will have

[tex]\begin{gathered} =7x^2\mleft(-x\mright)+7x^2\cdot\: 2-2x\mleft(-x\mright)-2x\cdot\: 2+5\mleft(-x\mright)+5\cdot\: 2 \\ =-7x^3+16x^2-9x+10 \end{gathered}[/tex]

Thus, the answer is:

[tex]=-7x^3+16x^2-9x+10[/tex]

A school is arranging chairs in rows for an assembly. $11$ chairs make a complete row, and right now there are $110$ chairs total. The school wants to have as few empty seats as possible, but all rows of chairs must be complete. If $70$ students will attend the assembly, how many chairs should be removed?

Answers

Answer:

40

Step-by-step explanation:

please I need to know number 2 :)​

Answers

Answer:  [tex]-4 < m \le -3[/tex]

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

Reason:

If m = -4, then f(x) = m becomes f(x) = -4. This yields the single solution x = -4

How do we get this solution? Start at -4 on the y axis. Move horizontally until reaching the curve. You should arrive at (-4,-4) which is the lowest point of this curve. Then move upward until reaching the x axis to arrive at x = -4

All of this says that the input x = -4 leads to the output y = f(x) = -4

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

We've gone over m = -4 leading to one solution, so that's out of the question since we want two solutions.

But if m = -3 for instance, then notice how tracing a horizontal line to the curve arrives at two locations instead of one. We arrive at x = -2 and x = -5 as the solutions to f(x) = -3

All of these solutions mentioned are negative which fits the criteria we're after. If m is in the interval from -4 to -3, excluding -4 but including -3, then we'll have f(x) = m with two negative solutions for x.

I want the answer for this question pls...

Simplify 72h ÷ 9h

Answers

Answer:

8

Step-by-step explanation:

[tex] \frac{72h}{9h} = 8[/tex]

The h is common in the numerator and the denominator, so it cancels out. We are left with 72/9 = 8.

Which equation represents the proportional relationship displayed in the table?

x: 4, 9, 11, 14
y: 32, 72, 88, 112

A. y = 8x
B. y = 8x + 4
C. y = 1/8x

Answers

Answer:

A. y = 8x

Step-by-step explanation:

y = 8x

From first term

32 = 8(4)

32=32

Correct

A. Y=8x

Reason: cause algebra gonna algebra

The following is the prime factorization of which composite number?
22.3².5
120
60
20
180

Answers

The prime factorization given as 2².3².5 is for the number D. 180.

What are prime numbers?

It should be noted that prime numbers are numbers that can only be divided by itself and one. This include 2, 3, 5, 7, etc

A composite number is one that can be generated by multiplying two smaller positive numbers. It is a positive integer with at least one divisor other than 1 and itself. Prime factorization is defined as the process of determining a number's prime factors so that the original number is evenly divisible by these factors.

In this case, it should be noted that we are given the expression as 2². 3². 5. It simply means that we have to multiply them to get the original number.

This will be:

= 2² × 3² × 5

= 4 × 9 × 5

= 180

Therefore, the number is 180.

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P(6 or 7 or diamond or club) =

Answers

Answer:

The answer is 17/52. Explanation: The number of diamond cards is 13, and the number of '6' cards is 4 Picking one diamond out of 13 is 13C1

Step-by-step explanation:


1. Select all the conditions for which it is possible to construct a triangle.

A 60°, 80°, and 80°
B) 4cm, 5cm, and 6CM
C)4 cm, 5 cm, and 15 cm
D)4cm, 5 cm, and 50°
E)30°, 60°, and 3 cm

Answers

The conditions for which it is possible to construct triangles are:

(D) 4cm, 5 cm, and 50°.(E) 30°, 60°, and 3 cm.

What are triangles?A triangle is a 3-sided polygon that is occasionally (though not frequently) referred to as the trigon. There are three sides and three angles in every triangle, some of which may be the same. Three straight sides and three angles make up the two-dimensional shape of a triangle. Three sides, three vertices, and three angles make up a triangle. A triangle's three interior angles are always added up to 180 degrees. A triangle's two longest sides added together are always longer than its third side. The six different kinds of triangles are right, obtuse, acute, equilateral, scalene, and isosceles.

So, the condition for which it is possible to construct a triangle:

(A) 60°, 80°, and 80°:

Not possible as the sum of angles is greater than 180°.

(B) 4cm, 5cm, and 6cm:

Not possible as the square of the 2 shorter sides is greater than the square of the longest side.

(C) 4 cm, 5 cm, and 15 cm:

Not possible as the square of the 2 shorter sides is greater than the square of the longest side.

(D) 4cm, 5 cm, and 50°:

Yes, it is possible to construct a triangle.

(E) 30°, 60°, and 3 cm:

Yes, it is possible to construct a triangle.


Therefore, the conditions for which it is possible to construct triangles are:

(D) 4cm, 5 cm, and 50°.(E) 30°, 60°, and 3 cm.

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If 3x. (6x) ≤ 9, which of the following inequalities must be true?

Answers

Answer:

if x=0than 3×0×(6×0)_< 9


The amount of a radioactive isotope present at time t is given by A(t) = 500e^ -0.028171
grams.
How many grams remain after 40 years?

Answers

According to the radioactive isotope disintegration model, the remaining mass of the radioactive isotope after 40 years is approximately equal is 129.622 grams.

What is the amount of the mass of a radioactive isotope after a period of 40 years?

The deceasing exponential expression described in the statement models the mass of the radioactive isotope (m), in grams, as a function of time (t), in years, which represents the solution of an ordinary differential equation that represents a simple disintegration.

Now, we need to evaluate the function at t = 40 to find the amount remaining after 40 years:

A(40) = 500 · exp(- 0.028171 · 40)

A(40) = 129.622

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Three times the first of two numbers decreased by the second number equals 9. Twice the first number increased by the second number equals 11. Find the two numbers

Answers

As per the given condition for the system of equation, the two numbers are equal to 4 and 3.

As given in the question,

To begin with the solution, let the two unknown numbers be x and y. Now, translating the two mathematical statements into system of equations,

When three times the first of two numbers decreased by the second number equals 9.

3 x - y = 9 ____(1)

Twice the first number increased by the second number equals 11,

2 x + y = 11   ____(2)

By solving resultant system of equations we get,

3 x - y = 9

2 x + y = 11

5x        = 20                    (by adding the two equations)

=> x = 4

Substituting the value of x in second equation,

y = 11 - 2x

 = 11 - 2(4)

  = 11 - 8 = 3

Therefore, as per given condition for the system of equation, the two numbers are equal to 4 and 3.

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Use the picture shown to solve for inequalities in two triangles

Answers

GIVEN

Two triangles ABC and ACD where two corresponding sides of the two triangles are equal.

SOLUTION

The two triangles have equal sides such that:

[tex]\begin{gathered} AB=AD \\ and \\ AC=AC \end{gathered}[/tex]

By this, the length of the remaining sides BC and DC are related such that the side opposite the greater angle has the greater length.

Since [tex]BC>DC[/tex]Substitute known values into the inequality:

[tex]\begin{gathered} DC=11x-33 \\ BC=77 \\ \therefore \\ 77>11x-33 \end{gathered}[/tex]

Solving the inequality:

[tex]\:x<10[/tex]

Recall that the side DC has to be greater than 0. Therefore:

[tex]\begin{gathered} 11x-33>0 \\ \therefore \\ x>3 \end{gathered}[/tex]

Combining both solutions:

[tex]3ANSWER

Write the domain and range of the function using interval notation.

Answers

The domain of the function using interval notation is 4 ≤ y < 8 and the range of the function using interval notation is 4 ≤ y < 6.

What is a domain?

A domain simply refers to the set of all real numbers for which a particular function is defined. This ultimately implies that, a domain is the set of all possible input numerical values (numbers) to a function and the domain of a graph comprises all the input numerical values which are shown on the x-axis.

By critically observing this graph of a function shown, we can reasonably infer and logically deduce the following:

Domain = (4, 8).Range = (4, 6).

In interval notation, the domain of this function can be rewritten as 4 ≤ y < 8. In interval notation, the range of this function can be rewritten as 4 ≤ y < 6.

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which of thr following options is an equivalent function too f(x)=2(5)2x

Answers

Although part of your question is missing, you might be referring to this full question: Which of the following options is an equivalent function to f(x) = 2(5)^2x? choices:

f(x) = 50^x

f(x) = 100^x

f(x) = 2(25)^x

f(x) = 4(25)^x

The equivalent function too expression is f(x)= 2(25)ˣ. Thus option c is correct.

The expression of function f(x) given, f(x)=2(5)²ˣ.

Functions are said to be equal if they have same domain or codomain such that f(x) = g(x). Thus, the two functions are equal functions.  

∴ The function after solving expression is,

f(x)= 2×(5²)ˣ

f(x)= 2×(25)ˣ

Hence, the correct equivalent function is f(x)= 2(25)ˣ.

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Shelby, Allen, and Denise printed their digital photos each requested the same size prints. Allen paid $3.24 for 11 prints. Denise paid $4.05 for 20 prints describe how you would write the equation for the relationship between the number of photos ordered and the amount paid

Answers

Taking x and y as the price for each photo, then the equation that represents each situation would be:

For Allen

[tex]11x=3.24[/tex]

For Denise

[tex]20y=4.05[/tex]

Which values are solutions to the inequality below? √x≤=7 check all that apply: A.48 B. 14 C. 51 D. -15 E. 2 F. NO SOLUTION

Answers

The correct options are (A) and (B).

Because

[tex]\begin{gathered} \sqrt[]{48}<7 \\ \text{and } \\ \sqrt[]{14}<7 \end{gathered}[/tex]

The price of an item has been reduced by 60%. The original price was $65. What is the price of the item now?

Answers

Answer:

$26

Step-by-step explanation:

65 x 60% = 39

65 - 39 = 26

is it a compound interest problem, a saving annuity problem, a payout annuity problem, or a loan problem ?
a. Marcy received an inheritance of 20000, and invested it at 6% interest. She is going to use it for college, withdrawing money for tuition and expenses each quarter. How much can she take out each quarter if she has 3 years of school ?

Answers

1. The scenario represents a payout annuity.

2. Marcy can withdraw $1,833.60 per quarter until after 3 years when the inheritance will be exhausted.

What is a periodic withdrawal of a sum lump?

A periodic withdrawal is the opposite of a periodic payment.

In a periodic withdrawal, the investor withdraws a constant amount from the investment that earns interest until it is exhausted.

A periodic withdrawal is the same as a payout annuity, which involves periodic receipts from the invested capital.

Using an online finance calculator, we can compute the quarterly withdrawals as follows:

N (# of periods) = 12 quarters (3 x 4)

I/Y (Interest per year) = 6%

PV (Present Value) = $20,000

FV (Future Value) = $0

Results:

Withdrawals = $-1,833.60

Sum of all periodic payments = $-22,003.20

Total Interest $2,003.20

Thus, in this payout annuity, Marcy can withdraw $1,833.60 quarterly for 3 years.

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