Mike observed that 75% of the students of a school liked skating. If 35 students of the school did not like skating, the number of students who liked skating was ______. (only put numeric values, no other symbols)

Answers

Answer 1

Answer:
we are given that 35 students do not like skating and that 75 % of the students like skating otherwise. This means 25 % of the students dont like skating. Hence the total number of students is 35/0.25 equal to 140 students. 75 percent of 140 students is the answer equal to 105 students

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A house cost $120,000 when it was purchased. The value of the house increases by 10% each year. Find the rate of growth each month.

Answers

FIRST MODEL:

Well the model for the value of the house is:

$V={ \left( \frac { 11 }{ 10 } \right) }^( t )\cdot 120000$

V = Value

t = Years passed {t≥0}

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When t=0, V=120000

When t=1, V=132000

When t=2, V=145200

etc... etc...

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Now, this model is actually curved so there is no constant rate of growth each month. We can only calculate what the rate of growth is at a particular time. If we want to find out the rate of growth at a particular time, we must differentiate the formula (model) above.

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$V={ \left( \frac { 11 }{ 10 } \right) }^( t )\cdot 120000\n \n \ln { V=\ln { \left( { \left( \frac { 11 }{ 10 } \right) }^( t )\cdot 120000 \right) } }$

$\n \n \ln { V=\ln { \left( { \left( \frac { 11 }{ 10 } \right) }^( t ) \right) } } +\ln { \left( 120000 \right) } \n \n \ln { V=t\ln { \left( \frac { 11 }{ 10 } \right) } } +\ln { \left( 120000 \right) }$

$\n \n \frac { 1 }{ V } \cdot \frac { dV }{ dt } =\ln { \left( \frac { 11 }{ 10 } \right) } \n \n V\cdot \frac { 1 }{ V } \cdot \frac { dV }{ dt } =\ln { \left( \frac { 11 }{ 10 } \right) } \cdot V$

$\n \n \therefore \quad \frac { dV }{ dt } =\ln { \left( \frac { 11 }{ 10 } \right) } \cdot { \left( \frac { 11 }{ 10 } \right) }^( t )\cdot 120000$

Plug any value of (t) that is greater than 0 into the formula above to find out how quickly the investment is growing. If you want to find out how quickly the investment was growing after 1 month had passed, transform t into 1/12.

The rate of growth is being measured in years, not months. So when t=1/12, the rate of growth turns out to be 11528.42 per annum.

SECOND MODEL (What you are ultimately looking for):

$V={ \left( \frac { 11 }{ 10 } \right) }^{ \frac { t }{ 12 } }\cdot 120000$

V = Value of house

t = months that have gone by {t≥0}

Formula above differentiated:

$V={ \left( \frac { 11 }{ 10 } \right) }^{ \frac { t }{ 12 } }\cdot 120000\n \n \ln { V } =\ln { \left( { \left( \frac { 11 }{ 10 } \right) }^{ \frac { t }{ 12 } }\cdot 120000 \right) }$

$\n \n \ln { V=\ln { \left( { \left( \frac { 11 }{ 10 } \right) }^{ \frac { t }{ 12 } } \right) } } +\ln { \left( 120000 \right) }$

$\n \n \ln { V=\frac { t }{ 12 } } \ln { \left( \frac { 11 }{ 10 } \right) } +\ln { \left( 120000 \right) }$

$\n \n \frac { 1 }{ V } \cdot \frac { dV }{ dt } =\frac { 1 }{ 12 } \ln { \left( \frac { 11 }{ 10 } \right) }$

$\n \n V\cdot \frac { 1 }{ V } \cdot \frac { dV }{ dt } =\frac { 1 }{ 12 } \ln { \left( \frac { 11 }{ 10 } \right) } \cdot V$

$\n \n \therefore \quad \frac { dV }{ dt } =\frac { 1 }{ 12 } \ln { \left( \frac { 11 }{ 10 } \right) } \cdot { \left( \frac { 11 }{ 10 } \right) }^{ \frac { t }{ 12 } }\cdot 120000$

When t=1, dV/dt = 960.70 (2dp)

dV/dt in this case will measure the rate of growth monthly. As more money is accumulated, this rate of growth will rise. The rate of growth is constantly increasing as the graph of V is actually a curve. You can only find out the rate at which the house value is growing monthly at a particular time.

Find the area of blah blah blah blah blah

Answers

Answer: hope this helps ♡

The area of blah blah blah blah blah is blah*blah LOL

During a sale a video game is sold for 15 dollars less than three fifths of the original price of the cell phone. Which expression represents the sale price of the cell phone if n is the original price of the cell phone

Answers

Answer:(3n/5) -15

Step-by-step explanation:

Let the original price be n

The video game is sold for 15 dollars less than three fifths of the original price of the cell phone. This means

Selling price of video game = 3n/5 -15

Expression that represents the sale price of the cell phone if n is the original price of the cell phone

=(3n/5) -15

Solution of 1/5 m = -1

Answers

Answer:

m = -5

Step-by-step explanation:

1/5 m = -1

Multiply each side by 5

5*1/5 m = -1*5

m = -5

Hi there!

»»————-　★　————-««

I believe your answer is:

$m = -5$

»»————-　★　————-««

Here’s why:

⸻⸻⸻⸻

$\boxed{\text{Solving for 'm':}}\n\n(1)/(5)m=-1\n---------\n\rightarrow ((1)/(5)m)5=-1(5)\n\n\rightarrow\boxed{m = -5}$

⸻⸻⸻⸻

»»————-　★　————-««

Hope this helps you. I apologize if it’s incorrect.

A net worth statement, financial goals, and a budget are all part of a _____. saving and investing plan savings account long-term financial goal financial plan

Answers

The correct answer is:

A financial plan.

Explanation:

A financial plan is based on financial goals. These can include college education, buying a home, starting a business, or retirement. Financial goals are set to be used as milestones of the plan.

A personal net worth statement is a listing of a person's assets and liabilities. It helps measure a person's progress towards their financial goals.

A budget helps a person decide how much to set aside for debt repayment, savings and investing each month.

A net worth statement, financial goals, and a budget are all part of a FINANCIAL PLAN.

A financial plan is defined as a comprehensive evaluation of the individual's current financial status to plan or prepare for the individual's future financial state.

The number of boxes of food that six volunteers collected for the food drive is given in the table below.Number of Boxes
32
35
20
16
28
13

What is the mean absolute deviation? Round to the nearest tenth.

Answers

Answer:

The mean absolute value is 7.7, when rounded to the nearest tenth.

Step-by-step explanation:

1.) To get the mean absolute deviation you have to find the mean first:

32 + 35 + 20 + 16 + 28 + 13 = 144 ÷ 6 = 24

2.) Then, you have to find the difference of each element in your data set that is away from the mean. Then, you have to find the absolute values of the answers:

32 - 24 = | 8 | → 8
35 - 24 = | 11 | → 11
20 - 24 = | -4 | → 4
16 - 24 = | -8 | → 8
28 - 24 = | 4 | → 4
13 - 24 = | -11 | → 11

3.) Then, you have to find the mean of the absolute values:

8 + 11 + 4 + 8 + 4 + 11 = 46 ÷ 6 = 7.6666666666666666666666666666667‬ = 7.7

Answer:

its 7.7

Step-by-step explanation:

i got it right in edg

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