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Pani-rosa [81]
3 years ago
6

Solve by factorising x2+8x+15=0

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
6 0

Answer:

Hi! The correct answer is x= -3 ,-5!

Step-by-step explanation:

<em>~Factor and set each factor equal to 0~</em>

nlexa [21]3 years ago
6 0

Answer:

(X+2) (X+6)=0

Step-by-step explanation:

X2+8x+12=0

or, X2+(2+6)X+12=0

or, X2+2x+6x+12=0

or, X(X+2) +6(X+2) =0

or, (X+2)(X+6)=0

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3 years ago
Tutoring ABC charges $50 sign up fee plus $12 an hour . HW helps charge a $38 sign up fee plus $15 an hour . After how many hour
tamaranim1 [39]

Answer:

Step-by-step explanation:

Tutoring ABC - $50 sign up and $12 an hour

HW helps- $38 sign up and $15 an hour

 50                                    38

<u>+12</u>                                    <u>+15</u>

62                                     53

<u>+12</u>                                   <u> +15</u>

74                                     68                        Four months

<u>+12</u>                                  <u>+ 15</u>

86                                     83

<u>+12</u>                                   <u>+15</u>

98                                    98

5 0
3 years ago
A car costs 25, 750.00 and depreciates in value by 20% per year. How much will the car be worth after 5 years
Virty [35]
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3 0
3 years ago
Write each of the following sets of numbers in order of size, smallest first.
34kurt

Answer:0.09 < 0.6 < 0.7 < 0.8 < 0.99 < 1

Step-by-step explanation:

8 0
3 years ago
3(8 - 4x) = 12<br><br> Please help. You have to use distributive property to solve.
____ [38]

Answer:

x=1

Step-by-step explanation:

First, we distribute the 3 to the 8 and the 4x.

Now we have 24-12x=12

Then, we subtract 24 from 12

Now we have -12x=-12

Finally, we devide -12 by -12

Now we have x=1

Hope that helps!

8 0
3 years ago
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