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AleksandrR [38]
3 years ago
5

2. Convert the following from standard form to vertex form: g(x) = -5t2 - 10t + 15

Mathematics
1 answer:
Naya [18.7K]3 years ago
6 0

Answer: y = -5(x+1)^2+20

Step-by-step explanation: I haven't done any math in a long time so take this with a grain of salt but they were equivalent on the calculator.

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55) A shirt that usually costs $30 is on sale for $20. Find the percent of<br> the discount.
ivanzaharov [21]

Find the amount of the discount and divide by the original price:

30-20 = 10

10/30 = 0. 333

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0.333 x 100 = 33.3333%

Round the answer as needed.

4 0
3 years ago
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Hi guys, I need help to solve this. I can’t understand how the percentage is calculated in (a) and (b) and how the rent is calcu
lana [24]

Answers :

  1. (A) 18.33%
  2. (B) 21.65%
  3. (C) about 173.33
  4. (D) i really have no way of finding the angles for you, you could try to find them yourself; or maybe just leave it blank?
<h3>OK, so judging from the bar shown : </h3>

It looks like <u>Rent</u> takes up 1/3 of the space so 33.33..%

It also looks like <u>Loan Repayment</u> + <u>Savings</u> is another 33.33..% but Savings is slightly larger than Loan Repayment so you could just estimate Savings to be 55% and LR to be 45% of the 1/3 space.

  • 55% of 33.33.. = 18.33%
  • 45% of 33.33.. = 14.99%

LR looks equal to <u>Entertainment</u> making it another <u>14.99.</u>

It also looks like Entertainment + Electricity + Groceries = the last 33.33..%

And since we know <u>Entertainment</u> = 14.99 / 45% of 33.33..

Making <u>Electricity and Water</u> <em>ABOUT</em>  35% of 33.33... which is <u>11.66</u>

And Groceries is somehow 20% of 33.33 = <u>6.66</u>

  • Rent = 33.33..%
  • Savings = 18.33%
  • Loan Repayment 14.99%
  • Entertainment 14.99%
  • Electricity and Water 11.66%
  • Groceries = 6.66%
<h3>All of these added together equal <u><em>ABOUT</em></u> 100%</h3>

4 0
3 years ago
PLEASE HELP MEH ON THIS ASAP!!!!
andrew11 [14]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
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