1. In each of the following expressions, c represents the original cost of an item.
10.900
TL 0.10c
C -0.10c
a. Circle the expression(s) that represents 10% of the original cost. If more than one is
correct explain why the expressions you chose are equivalent.
represents ® D
b. Put a box around the expression(s) that represent the final item after a 10% decrease.
If more than one is correct explain why the expressions you chose are equivalent.
2. An item that was selling for $72.00 is reduced to $60.00. Find the percent decrease in
price. Round your answer to the nearest tenth.
3. A baseball team had 80 players shows up for tryouts last year and this year 96 players
show up for tryouts. Find the percent increase in players from last year to this year.
4. The price of a bag of bagels rose from $2.80 in January to $3.50 in April. What was the
percent increase of the price of a bag of bagels?
A 20%
B. 25%
C. 70%
D. 80%
5. Joe's weekly pay increased from $80 to $100. What is the percent increase in pay?
A 40%
B. 25%
C. 20%
D. 80%
Plzzzzz help

Answer:

The final selling price would be $51.20

20% of 80 gives you 16

80-16= 64

20% of the 64 which is from the coupons gives you 12.5

64-12.5 =51.20

Answer:

person above me is correct

Step-by-step explanation:

just put what they put

Answer:

2 * 3 + 4 * 5 = 26

5 * 7 + 1 * 8 = 43

Step-by-step explanation:

Given

_ * _ + _ * _ = _ _

Required

Fill in the boxes with digits 0 to 9

From the question we understand that the result must be two digits i.e. _ _

To solve this, we'll make use of trial by error method:

Fill the first two boxes wit 2 and 3: _ * _ becomes 2 * 3

Fill the next two boxes with 4 and 5: _ * _ becomes 4 * 5

So,we have

2 * 3 + 4 * 5

6 + 20

26

Hence, the first combination is 2 * 3 + 4 * 5 = 26

Another possible combination is:

Fill the first two boxes wit 5 and 7: _ * _ becomes 5 * 7

Fill the next two boxes with 1 and 8: _ * _ becomes 1 * 8

So,we have

5 * 7 + 1 * 8

35 + 8

43

Hence, another combination is 5 * 7 + 1 * 8 = 43

Note that; there are more possible combinations

The amount of Bruno's yearly pay deducted for FICA is approximately

A. $4,524.15. The closest option provided is A. $4521.15.

To calculate the amount of FICA deducted from Bruno's yearly pay, we need to consider the specific FICA tax rates for Social Security and Medicare.

As of 2021, the Social Security tax rate is 6.2% on income up to a certain threshold, and the Medicare tax rate is 1.45% on all income.

Given that Bruno's gross income per pay period is $4925 and he is paid monthly, we can calculate the yearly gross income as follows:

Yearly gross income = $4925 * 12 = $59,100

To calculate the FICA deduction, we need to find the sum of the Social Security and Medicare taxes. Using the respective tax rates mentioned earlier:

Social Security deduction = $59,100 * 6.2% = $3,667.20

Medicare deduction = $59,100 * 1.45% = $856.95

Adding these two deductions together:

FICA deduction = $3,667.20 + $856.95 = $4,524.15

Therefore, the amount of Bruno's yearly pay deducted for FICA is approximately $4,524.15.

The closest option provided is A. $4521.15.

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The least common multiple of 3z² - 75 and z + 5 is 3z² - 45.

The least common multiple of 3z² - 75 and z + 5, we first need to factor each polynomial:

3z² - 75 = 3(z² - 25)

= 3(z - 5)(z + 5)

z + 5 = 1(z + 5)

Next, we identify the common factors between the two polynomials and take the highest power of each:

3(z - 5)(z + 5) has factors of 3, (z - 5), and (z + 5)

1(z + 5) has factors of 1 and (z + 5)

The least common multiple of these two polynomials is the product of the highest powers of each factor.

The least common multiple is:

LCM = 3(z - 5)(z + 5)

= 3z² - 45

We must first factor each polynomial to get the least common multiple of 3z²  - 75 and z + 5.

Z + 5 = 1(z + 5)

= 3z²  - 75

= 3(z² - 25)

= 3(z - 5)(z + 5)

The greatest power of each polynomial is then selected after determining the elements that the two polynomials have in common:

3(z - 5) Factors of (z + 5) include 3, (z - 5), and (z + 5).

The components of 1(z + 5) are 1 and (z + 5).

The sum of the greatest powers of each factor produces the least frequent multiple of these two polynomials.

This is the least frequent multiple:

LCM is equal to 3(z - 5)(z + 5) = 3z² - 45.

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To achieve a comparable rate of return, Hank would need to earn an interest rate of approximately 0.86% per month, compounded monthly on his ordinary annuity.

To find the interest rate, compounded monthly, that Hank would need to earn on an ordinary annuity for a comparable rate of return, we can use the present value formula for an ordinary annuity.

First, let's calculate the present value of Hank's payments. He made payments of $219 per month for 30 years, so the total payments amount to $219 * 12 * 30 = $78840.

Now, we need to find the interest rate that would make this present value equal to the selling price of the property, which is $195,258.

Using the formula for the present value of an ordinary annuity, we have:

PV = P * (1 - (1+r)\(^{(-n)})\)/r,
where PV is the present value, P is the payment per period, r is the interest rate per period, and n is the number of periods.

Plugging in the values we have, we get:
$78840 = $219 * (1 - (1+r)\({(-360)}\))/r.

Solving this equation for r, we find that Hank would need to earn an interest rate of approximately 0.86% per month, compounded monthly, in order to have a comparable rate of return.

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Answer:

22.7

Step-by-step explanation:

ok so, First we need to find new values:

       96( 1 + 0.25) =120

       85( 1+0.2)=  102

Boys last year        girls last year      total this year

   96                             85                        181

Boys this year        girls this year        total this year

  120                         102                           222

   Find the overall increase:

181( 1+r)= 1.226519

THEN U SUBTRACT 1

r=0.226519

Multiply by 100 and round to nearest 10th

22.7%

Final Answer: 22.7%

HOPED IT HELPED:)

Answer:

30.7

Step-by-step explanation:

30.725 to one decimal place is 30.7.  To round/correct to one decimal place, it would be the tenths.  So, look at the hundredths place number (2), and if its greater than 5, add 1 to the tenths place (7 changes to 8), and if its less than 5, don't do anything (7 stays as 7).

Hope this helps! :)

Answer:

The value corrected to one decimal place is 30.7

Step-by-step explanation:

The value 30.725 has three decimal places. The number 7 is in the one's place, the number 2 is in the tenth place, and the number 5 is in the hundredth place.

To round off, if the value in a place is equal to or above 5, the previous place number is increased by one; else it remains the same. In this case, the hundredth place is 5, so we add 1 to the tenth place. This gives us 2 + 1 = 3. Therefore, the number is expressed with two decimal places as 30.73.

To express it as one decimal place, we look at the value in the tenth place, which is 3. As 3 is less than 5, the one's place remains the same.

Thus, the value is 30.7 when expressed with one decimal place.

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Answer:

5 games

Step-by-step explanation:

Answer:

6 games.

Step-by-step explanation:

    25 - 5 = 20 {We subtract 5 from 25 because craig has 25$ to spend, and are renting shoes for 5$. The rest of the money is going towards the cost PER game, shown in step 2.}

    20 divided by 4 = 6. {4$ is the cost of each game. Therefore, divide 20 by 4.}

hope this helped! Have a great day/night!! :')

Answer:

2x - 19 + x + 4

Step-by-step explanation:

2x - 19 + x + 4

Answer:

f(x)= (1/2)x-3

Step-by-step explanation:

Answer:

17

Step-by-step explanation:

18, 19, 20, 21, 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

The expression represented by the model is 4. 6/13 - 2/7.

Expression in math is a combination of numbers, symbols, and operators, such as variables and constants, used to represent a mathematical relationship. It can be used to represent the solution of a problem or the evaluation of a function. Expressions are used in algebra, calculus, and other branches of mathematics to describe the relationships between different elements.

This expression can be seen by looking at the model; the shaded portion represents the fraction 6/13 and the portion that was subtracted from it is 2/7. Thus, the expression represented by the model is 6/13 - 2/7.

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The solution of x is x = 0, x =2 and x = -5

The equation is given as:

2x^3+6x^2-20x=0​

Factor out x

x(2x^2+6x-20)=0​

Split the equation

x = 0 or 2x^2+6x - 20=0​

Solve for x in 2x^2+6x - 20=0​

Expand the equation

2x^2 + 10x - 4x - 20 = 0

Factorize the equation

(2x - 4)(x +5) = 0

Split the equation

2x - 4 = 0 and x + 5 = 0

Solve for x

x =2 and x = -5

Hence, the solution of x is x = 0, x =2 and x = -5

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Step-by-step explanation:

√2x² + 7x +√2=0

2x + 7x + √ 2 =0

√2=9x

x = o.15713484

Answer:

C

Step-by-step explanation:

i just guessed but it was correct

Answer: 4

Step-by-step explanation:

Answer:4

2+2=4 if I have two apples and pick up two more I now have 4 total

Answer: each base angle in an isosceles right triangle measures 45 degrees.

Step-by-step explanation:

In an isosceles right triangle, two sides have equal lengths, and one angle is a right angle (90 degrees).

Since it is an isosceles triangle, the two base angles (the angles opposite the equal sides) must be congruent, meaning they have the same measure.

To find the measure of each base angle, we can use the fact that the sum of the angles in a triangle is 180 degrees.

Let's denote the measure of each base angle as "x". Then, the sum of the three angles in the triangle can be expressed as:

x + x + 90 = 180

Simplifying the equation:

2x + 90 = 180

Subtracting 90 from both sides:

2x = 90

Dividing both sides by 2:

x = 45

Answer:

the answer is b. you are basically multiplying them

Answer:

answer is 5.3 cuz I am smart I learned this so I'm here to help

Answer:f(x) = 1/4x

Step-by-step explanation:

Assuming this is a linear equation, we simply use the two points given to find the slope (or gradient depending on where you’re from), to find the equation. So just do rise over run:

Edited: I divided backwards, apologies!

-3 - (-2)/-8 - (-12) = -5/-20 = 1/4x.

Answer:

k = 28

Step-by-step explanation:

Answer: k = 28

Step-by-step explanation:

1. Add 13 to both sides -

k = 15 + 13

2. Combine like terms -

k = 28

Answer:

Answer:

10/8

Step-by-step explanation:

Answer:

3x+2y=24

Step-by-step explanation:

I made the x value be the pineapples and the y value be the watermelon. And it said in the problem that it should equal 24g so I made it equal 24. Next You would need to find the x and y intercepts in order to graph it.

2y=24 and 3x=24, so x=8 and y=12.  Now unfortunately I can't add a graph here but if you input those intercepts in an app like desmos or photomath, you'll get a graph. Hope this helps!

Answer:number one=0.4667  and two is 0.44444444444

Step-by-step explanation:

The decimal form of the fractions is written below,

7 / 15 = 0.46

8 / 18 = 0.45

-8/12 = -0.67

-6 / 7 = 0.85

Any number of equal parts is represented by a fraction, which also represents a portion of a whole. A fraction is a number that is a component of a whole. By breaking a whole into a number of parts, it is evaluated.

The given fractions in the form of decimal numbers can be written below,

Divide the number 7 by 15,

7 / 15 = 0.46

Divide the number 8 by 18,

8 / 18 = 0.45

Divide the number -8 by 12,

-8/12 = -0.67

Divide the number -6 by 7,

-6 / 7 = 0.85

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ok

under the -4 is a 16

under the 0 is a 4

under the 8 is a -20

Your Welcome

Answer:

3.3m

Step-by-step explanation:

The central angles for the categories with the numbers 40, 100, 50, and 50 are 60 degrees, 150 degrees, 75 degrees, and 75 degrees, respectively.

To calculate the central angles for each category based on the given numbers 40, 100, 50, and 50, we need to find the proportion of each value to the total sum of all the values. Let's proceed with the following steps:

Step 1: Calculate the total sum of the given numbers: 40 + 100 + 50 + 50 = 240.

Step 2: Find the proportion of each value by dividing it by the total sum and multiplying it by 360 (since a full circle has 360 degrees).

Central angle for the first category: (40/240) * 360 = 60 degrees.

Central angle for the second category: (100/240) * 360 = 150 degrees.

Central angle for the third category: (50/240) * 360 = 75 degrees.

Central angle for the fourth category: (50/240) * 360 = 75 degrees.

The central angles for each category based on the given numbers are 60 degrees, 150 degrees, 75 degrees, and 75 degrees, respectively.

These central angles represent the relative proportions of each category's spending in relation to the total spending. They can be used to create a pie chart or visualize the distribution of expenses in a circular graph.

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