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3 years ago

Help with all three IM CONFUSED

Mathematics

2 answers:

icang [17]3 years ago

5 0

Answer:

How does y vary with x?

This is called direct variation and to find proportionality, we use the formula y/x = K

Step-by-step explanation:

The first table's results would look like:

6:15

12:30

18:45

24:60

30:75

To do these, you divide the y values by the constant to receive x.

If you need more help, you message me :) Good luck with your work!

Maslowich3 years ago

5 0

Answer: k=x/y

Step-by-step explanation: Voila

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A photographer uses an online service to sell some of his work. The amount of money he will make from selling 10 copies of the s

VLD [36.1K]

Answer:

Step-by-step explanation:

The expression representing the amount of money that the photographer would make from selling 10 copies is given as

10(0.75p - 0.5)

where p represents the price determined for each copy. Assuming the price charged per copy is $5, then the amount made from 10 copies is

10(0.75 × 5 - 0.5) = $32.5

It could have been

10(5 - 0.5) = $45

The price is being reduced by 25%(100 - 75)

Therefore, the option that most likely describes the agreement between the online service company and the photographer is

A. The company keeps 25% of the amount paid for each copy and charges the photographer $0.50 for every copy purchased.

8 0

3 years ago

Find the equivalent expression of 3+2(2p+4t)

NISA [10]

Remember to follow PEMDAS, and to only combine terms with like variables.

First, distribute the 2 to all terms within the parenthesis:

2(2p + 4t) = 2(2p) + 2(4t) = 4p + 8t

3 + 4p + 8t, or (D), is your answer choice, for it cannot be simplified anymore.

7 0

4 years ago

What is the area of this figure?

VashaNatasha [74]

Answer:

104cm^2

Step-by-step explanation:

Area of 1st rectangle

given

l=12cm

w=6cm

A =l×w

=12cm×6cm

=72cm^2

Area of 2nd rectangle

given

l=14-6=8cm

w=4cm

A=l×w

=8cm×4cm

=32cm^2

Total area =72cm^2+32cm^2=104cm^2

8 0

3 years ago

Read 2 more answers

What is true about the slope of the function below<br> y = 4x + 3

Karo-lina-s [1.5K]

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$\blue{\textsf{\textbf{\underline{\underline{Question:-}}}}}$

Which is true about the slope of the function y=4x+3?

$\blue\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}$

The slope of the function y=4x+3 is 4; in equations like this one, the slope is simply the number before x.

The rise is 4, and the run is 1.

Remember, slope is also defined as "Rise/Run"

[Note:- You haven't listed any options here, could you kindly add them in the comments?]

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4 0

2 years ago

If 5 tractors can plow a field in 4 hours, how many hours will it take 3 tractors to plow the field?

Mrac [35]

The number of hours required for 3 tractors to plow the field is 2.4 hours

<em><u>Solution:</u></em>

Given that 5 tractors can plow a field in 4 hours

We have to find out number of hours required for 3 tractors to plow the field

5 tractors can plow a field in 4 hours, So time taken for 1 tractor

$\text{ time taken for 1 tractor } = \frac{\text{ time taken for 5 tractor}}{5}$

$\text{ time taken for 1 tractor } = \frac{4}{5} \text{ hours }$

<em><u>So time taken for 3 tractors is given as:</u></em>

time taken for 3 tractor = time taken for 1 tractor x 3

$\text{ time taken for 3 tractor} = \frac{4}{5} \times 3 = \frac{12}{5}$

$\rightarrow \frac{12}{5} = 2.4$

So number of hours required for 3 tractors to plow the field is 2.4 hours

3 0

3 years ago