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kherson [118]
3 years ago
5

Simplify the following expression. (65x+50y)-(16x-21y)

Mathematics
2 answers:
GarryVolchara [31]3 years ago
5 0
Your going to want to first distribute the negative out to the second equation
65x+50y-16x+21y
49x+71y
Rzqust [24]3 years ago
5 0
81x-29y because you do 65x plus 16x because they both have the variable x at the end. now do 50y plus -21y and since it is a negetive (and it is a negetive it is not just a subtraction sign trust me i have done this many times before and been correct) you get 29 y because they both have the variable y in it. and you can't do anything with a two different variables.
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on her first day of work, mia sold one straw hat. on day two, she sold three straw hats. on day three, she sold five straw hats,
garri49 [273]

If Mia sold 2 more hats on each suceeding day, after working 40 days it is expected Mia had sold a total of 1523 hats.

<h3>How many hats will Mia sell everyday?</h3>

Day: Hats

  • 1 = 1
  • 2=3
  • 3 = 5
  • 4=7
  • 5= 9
  • 6=11
  • 7= 13
  • 8= 15
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  • 11= 21
  • 12=23
  • 13= 25
  • among others

You can notice the number of hats she will sell follow a pattern as there are only sequential odd numbers.

<h3>How many hats will Mia sell in total?</h3>

By following the sequence let's add the hats she will sell everyday:

  • 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29 + 31 + 33 + 35 + 37 + 39 + 41 + 43 + 45 + 47 + 49 + 51 + 53 + 55 + 57 + 59 + 61 + 63 + 65 + 67 + 69 + 71 + 73 + 75 + 79 = 1523

Learn more about sums in: brainly.com/question/13013054

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2 years ago
PLEASE HELP ME I REALLY NEED IT
topjm [15]

Answer: 170

Step-by-step explanation: Angle G and Angle H are consecutive angles, meaning they both add up to 180 degrees. Thus, if 10 is the value of Angle G, Angle H must be 170.

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skad [1K]

Answer:

for example, if f(x)= x^2 + 3

and they gave write f(5)= 5^2 +3

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At which root does the graph of f(x) = (x + 4)(x + 7,5) cross the x-axis?<br> -7<br> -4<br> 4<br> 7
Alona [7]

Answer:

Answer: -7

Step-by-step explanation:

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