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Paha777 [63]
2 years ago
14

Factor the trinomial x^2 - 4x - 12

Mathematics
1 answer:
anygoal [31]2 years ago
4 0

Answer:

(x-6)(x+2)

Step-by-step explanation:

Use FOIL to check if the factors work.

x * x = x²

(x * 2) + (x * -6) = 2x - 6x = -4x

-6 * 2 = -12

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Find the value of x.<br><br> F) 6m<br> G) 7.5m<br> H) 15m<br> I) 21m
Xelga [282]

Answer:

x = 6 m

Step-by-step explanation:

The area (A) of a trapezium is calculated as

A = \frac{1}{2} h (a + b)

where h is the perpendicular height and a, b the parallel bases

Here A = 60, h = 8, a = 9 and b = x , thus

\frac{1}{2} × 8 × (9 + x) = 60, that is

4(9 + x) = 60 ( divide both sides by 4 )

9 + x = 15 ( subtract 9 from both sides )

x = 6 m

7 0
3 years ago
I need help with this as well!<br>Thank you<br>​
liberstina [14]

Answer:

X= 78

Step-by-step explanation:

180-115=65 that's one of the angles

and the other one is 360-323=37

and add the two angles together  = 102

then finally 180-102=78 and that's it  

4 0
3 years ago
Eight parentheses x plus two parentheses
jarptica [38.1K]

Answer:

10

Step-by-step explanation:

8+2=10

3 0
3 years ago
Very easy! 15 points!
Irina-Kira [14]

Answer:

taxes, borrow money, regulate commerce, uniform rule of naturalization, and regulate the value.

8 0
2 years ago
Good afternoon help me 5 questions is 50 points and answer them all
Paraphin [41]
The first one  is the last answer because you subtract 18 and when you divide you change the inequality symbol 

the second one is the last answer for the same reason 

the 3rd one is x<-1.25

the 4th one is x<8/15
5 0
2 years ago
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