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Musya8 [376]
3 years ago
12

Please help!

Mathematics
1 answer:
dedylja [7]3 years ago
7 0
This may help :))

She worked 9 hours on store and gave piano lessons for 6 hours


Let x be the no. of hours she worked on store
Cost of 1 hour on shop = $8.47
Cost of x hours on shop = $8.47x
Let y be the no. of hours she gave piano lessons
Cost of 1 hour for piano lessons = $17
Cost of y hours on shop = $17y
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The sum of two consecutive even integers is 122. What are the two numbers?
irakobra [83]

Answer:

  1. Let the first number = x
  2. Therefore, the other number = x + 2 (x+2 is so as in two consecutive even numbers there is 1 odd number)
  3. Now, According to question
  4. x + x + 2 = 122
  5. 2x + 2 = 122
  6. 2x = 122-2
  7. 2x = 120
  8. x = 120/2
  9. x = 60
  10. Now, first no. = x = 60
  11. Therefore, second no. = x + 2 = 60 + 2 = 62
  12. Equation 60 + 62 = 122

Step-by-step explanation:

If you like my answer than please mark me brainliest

7 0
2 years ago
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Consider the function represented by 9x + 3y = 12 with x as the independent variable. How can this function be written using fun
aivan3 [116]
"-3f(x) means ""the function of x"" and is another way of writing y when the variable x is an independent variable. To get f(x) on one side of the equation, do the following:9x + 3y - 9x = 12 - 9x3y = 12 - 9x3y / 3 = (12 - 9x) / 3y = 12/3 - 9x/3y = 4 - 3xy = f(x) = -3x + 4"
7 0
3 years ago
Stuck on these questions. any help? <br><br>(last word missing is degree)​
nignag [31]

Answer: x^3 - 3x^2 + 2x

Step-by-step explanation:

Zeros 0, 1, 2

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

= x (x^2 - 3x + 2)

= x^3 - 3x^2 + 2x

4 0
3 years ago
many credit card companies charge a compound interest of 1.8% per month on a credit card balance. Miriam owes 750 on a credit ca
nadya68 [22]

Answer:

Most credit card companies also apply a late payment penalty if you owe a balance and do not make a payment. Ignoring that fee, Miriam's balance will increase as:  

B(n) = 750(1.018)^n  

where B(n) is Miriam's balance after n months. The progression will be:  

$750.00  

$763.50  

$777.24  

$791.23  

$805.48

Step-by-step explanation:


6 0
4 years ago
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5
patriot [66]

Answer:

idk but i need points sorry mane

Step-by-step explanation:

:(

7 0
3 years ago
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