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kicyunya [14]
3 years ago
10

Solve X²-5X-14=0 using quadratic formula

Mathematics
1 answer:
il63 [147K]3 years ago
6 0

Answer:

x=-2 or x=7

Step-by-step explanation:

X²-5X-14=0  find the factors of -14x² which is -7x and +2x

X² -7x + 2x - 14 = 0   factorize

x(x-7) + 2(x-7) = 0

(x+2)(x-7) =0

x+2 = 0 or x-7= 0

x=-2 or x=7

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The missing number is 29

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3 years ago
Find the slope of the line containing the pair of points.<br> ​(6​,5​) and ​(​0,​0)
GarryVolchara [31]

Answer: 5/6

Step-by-step explanation:

Use slope formula of y2-y1/x2-x1. So here it doesn’t matter which is which so I did (6,5) x1 and y1 and (0,0) x2 and y2

So plugging it in it would be 0-5/0-6 = -5/-6 which simplifies to 5/6

7 0
1 year ago
Which statement is true about the given information?
Lubov Fominskaja [6]

Answer

∴ The true statement is Answer:

The true statement is BD ≅ CE  ⇒ 3rd answer

Step-by-step explanation:

- There is a line contained points B , C , D , E

- All points are equal distance from each other

- That means the distance of BC equal the distance of CD and equal

 the distance of DE

∴ BC = CD = DE

- That means the line id divided into 3 equal parts, each part is one

  third the line

∴ BC = 1/3 BE

∴ CD = 1/3 BE

∴ DE = 1/3 BE

∵ BC = CD

∴ C is the mid-point of BD

∴ BC = 1/2 BD

∵ CD = DE

∴ D is the mid-point of DE

∴ CD = 1/2 CE

- Lets check the answers

* BD = one half BC is not true because BC = one half BD

* BC = one half BE is not true because BC = one third BE

* BD ≅ CE is true because

 BD = BC + CD

 CE = CD + DE

 BC ≅ DE and CD is common

 then BD ≅ CE

* BC ≅ BD is not true because BC is one half BD

∴ The true statement is BD ≅ CE

plz mark me brainliest

5 0
3 years ago
Please help asap!
Alexeev081 [22]

Answer:

61.12

Hope this helps :3

3 0
3 years ago
7. Use the​ compound-interest formula to find the account balance A with the given​ conditions, where P=​principal, r=interest ​
Artist 52 [7]

Answer:

<u>$173,954.01</u>

Step-by-step explanation:

Finding compound interest :

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  • A = (150,000)(1.025)⁶
  • A = (150,000)(1.15969342)
  • A = <u>$173,954.01</u>
4 0
3 years ago
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