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sweet-ann [11.9K]
3 years ago
5

To place and as in a newspaper, it cost $8 plus $0.75 for each line. Write and evaluate an expression to find the total cost for

an ad that has 6 lines. Then make a table showing the cost of there are 6,10,14, and 18 lines in the ad
Mathematics
1 answer:
Lelechka [254]3 years ago
4 0

.75x + 8 = y (x being the number of lines) (8 being the initial charge) Then substitute x with any of the numbers above (multiply 0.75 with any) then add 8 dollars in the end..

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Select a value: addition property of equality
Whitepunk [10]

Answer:

Addition prop of equality,    multiplication prop of equality,     multiplication prop. of equality

Step-by-step explanation:

For the first one, we know that in order to solve the equation, we need to add 3 to both sides of the equation. When you add a value to both sides of the equation, you're using the addition property of equality.

For the second one, we know that in order to solve the equation, we need to multiply both side by 1/6 (to cancel the 6 out on the left side). When you multiply something to both sides of the equation, you're using the multiplication property of equality.

For the third one, we know that in order to solve the equation, we must multiply both sides of the equation by 5. Like the second problem, this would be the multiplication property of equality (since you're multiplying both sides of the equation by the same thing).

3 0
3 years ago
Aaron invested $740 in an account paying an interest rate of 5%
vlada-n [284]

The amount of money   Justin would have in his account than Aaron, to the nearest dollar is $0

What is the future value formula for continuous compounding cash flow?

The future value, which is used to determine the worth of this investment of $740 made now in 18 years is as shown below:

FV=PV*e^(rt)

FV=the worth of the investment in 18 years=unknown

PV=the amount invested today=$740

e=mathematical exponential value=2.7182818

r=rate of interest which compounded continuously=5%

t=time of investment in years=18

FV=$740*2.7182818^(5%*18)

FV=$740*2.7182818^(0.90)

FV=$740*2.459603087981220

FV=$1,820.11

Justin:

FV=PV*(1+r/m)^(n*m)

PV=$740

r=5%

m=number of times in a year that interest is compounded=365

m=number of years=18

FV=$740*(1+5%/365)^(18*365)

FV=$1,819.99

difference=$1,820.11-$1,819.99

difference=$0.12($0 to the nearest dollar)

Find out more about continuous compounding on:brainly.com/question/23136156

#SPJ1

8 0
1 year ago
How do you simplify this problem
vampirchik [111]
Reduce the fraction with 2
\frac{2 \times x {}^{ - 2} y {}^{3}z {}^{ - 1}  }{xy}  \\  \\  \frac{3y {}^{2}z {}^{ - 1}  }{x {}^{3} }  \\  \\  \frac{3y {}^{2} }{x {}^{3}   z}
7 0
3 years ago
Given f(x) = 3x + 4. Find F-1(7)<br><br> Please help I’ll give you brainiest answer 100points!!!!!
Musya8 [376]

Answer:

f⁻¹(7) = 1

Step-by-step explanation:

Step 1: Write out function

f(x) = 3x + 4

Step 2: Find f⁻¹(x) (or known as inverse f(x))

y = 3x + 4

x = 3y + 4

-3y + x = 4

-3y = 4 - x

y = -4/3 + x/3

Step 3: Plug in 7 into inverse f(x)

f⁻¹(7) = 7/3 - 4/3

f⁻¹(7) = 3/3

f⁻¹(7) = 1

6 0
3 years ago
Four photographers are taking pictures at a school dance. Photographer A takes 25 of the pictures, Photographer B takes 4%, Phot
amm1812

Answer:

1) Photographer B (4%)

2) Photographer D (27%)

3) Photographer C (29%)

4) Photographer A (40%)

Step-by-step explanation:

<u><em>The correct question is</em></u>

Four photographers are taking pictures at a school dance. Photographer A takes 2/5 of the pictures, Photographer B takes 4% , Photographer C takes 0.29 , and Photographer D takes 27/100 . Which choice lists the photographers in order from least to greatest by the amount of pictures they take?

we know that

1) Photographer A takes 2/5 of the pictures

That means

the amount of pictures take by photographer A in percent form is equal to multiply the fraction by 100

2/5(100)=40\% ---> percentage form

2) Photographer B takes 4%

3) Photographer C takes 0.29

That means

the amount of pictures take by photographer C in percent form is equal to multiply the decimal number by 100

0.29(100)=29\% ---> percentage form

4) Photographer D takes 27/100

That means

the amount of pictures take by photographer D in percent form is equal to multiply the fraction by 100

(27/100)(100)=27\% ---> percentage form

Lists the photographers in order from least to greatest by the amount of pictures they take

1) Photographer B (4%)

2) Photographer D (27%)

3) Photographer C (29%)

4) Photographer A (40%)

4 0
3 years ago
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