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worty [1.4K]
3 years ago
5

Can't figure out the answer..

Mathematics
1 answer:
gavmur [86]3 years ago
7 0

Answer:

The 4th option is the correct answer

It will take  19 hours of lesson

Step-by-step explanation:

It is given that,

Ahmets rent a piano for $35 per month.

Also he earn $25 per hour giving piano lessons.

He wants to make profit $440 per month.

<u>To calculate the hours needed for getting profit $440 </u>

Let x be the total hours spending for piano lesson

So he earn $25x in one month

But the expenditure is piano rent $35 per month.

Profit = 440

25x - 35 =440

25x = 475

x = 19

So it will take 19 hours of lesson

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Simplify 6 x 10−7 2 x 105 .
mafiozo [28]

Answer:

-49

Step-by-step explanation:

it would be this because first we would have to figure out what 6*10 is that why we know what to distribute . so once we figure it out , which is 70 . We would then subtract 14 from 70 . Since 7 is right next to 2 we would then multiply it to get to 14. Once we get that you should get 56, from there you would subtract 56 to 105 , and get your answer.

7 0
3 years ago
13 cm<br> L<br> 5 cm<br> Calculate the perimeter
aksik [14]

Answer:

36

Step-by-step explanation:

permeter is solved by doing length+length+width+width so therefore you would do 13+13+5+5 which equals 36 as your answer

5 0
3 years ago
Read 2 more answers
What is the intercept for the graph of this line? 5x -3y =11​
MatroZZZ [7]

Step-by-step explanation:

5x-3y=11\\\\x-intercept\ is\ for\ y=0\\\\5x-3(0)=11\\5x-0=11\\5x=11\qquad\text{divide both sides by 5}\\x=\dfrac{11}{5}\\\\y-intercept\ is\ for\ x=0\\\\5(0)-3y=11\\0-3y=11\\-3y=11\qquad\text{divide both sides by (-3)}\\y=-\dfrac{11}{3}

3 0
3 years ago
Need help fast thanks and god bless
Nuetrik [128]

Answer:

275.

Step-by-step explanation:

The gradient of the graph is 70/2 = 35 and it passes through the origin so we can write its equation as

y = 35x.

The gradient of the function represented by the the table is

(240-180) / (4-3) = 60

Ehen x = 3 y = 180 so when  x = 0 y = 180 - 60 - 60 - 60 = 0 and the equation of this function is

y = 60x.

For the first equation when x = 11, y = 35*11 = 385.

For the second it is 60 * 11 = 660

So our answer is  660 - 385

= 275

7 0
2 years ago
Which is the algebraic representative for a rotation 180 degrees clockwise?
neonofarm [45]

Answer:

algebraic expression for 180 degree clockwise rotation about the origin (x,y) → (-y, x) algebraic expression for 270 degree clockwise rotation about the origin equals a 270 degree counterclockwise rotation 90 degree clockwise rotation equals a 90 degree counterclockwise rotation

Step-by-step explanation:

hope this helps

have an awesome day -TJ

3 0
2 years ago
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