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masha68 [24]
2 years ago
12

What does 1) x2 – 5x – 14 = 0 equals?​

Mathematics
1 answer:
LuckyWell [14K]2 years ago
7 0

Answer:

<h3>x = -2 and 7</h3>

Step-by-step explanation:

  • x^2 - 5x - 14 = 0
  • x^2 - ( 7 - 2 )x - 14 = 0
  • x^2 - 7x + 2x - 14 = 0
  • x ( x - 7 ) + 2(x - 7) = 0
  • (x + 2) (x - 7) = 0
  • x = -2 and 7

<h3>Hope it helps !!</h3>
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Carly buys a gold ring priced at $273.00 if the sale tax is 10 % , how much will carly pay
Damm [24]

Hello!

<h2>Answer:</h2>

Carla will pay $300.30 for the gold ring.

<h2>Explanation:</h2>

Sales tax is added on to the total cost of the item. We need to figure out how much tax is on the ring.

To do that, we must calculate 10% (or 0.10) of $273.00.

273 × 0.10 = 27.3

Now, add the tax to the cost of the ring.

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3 years ago
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4 0
3 years ago
∆DEF≈~ STU. If TU-=8, SU = 10, and ST= 4, what is the length of -DE-?
Morgarella [4.7K]

Answer:

if that statement is true, then DE=ST, and ST=4 so your answer should be <u>DE=4</u>

Explanation:

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When a third of a number is subtracted from a half of the same number, 60 is the result. Find the number
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3 years ago
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