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LiRa [457]
3 years ago
12

X^2+8x=9_________=0___ ___=0solution set: ___​

Mathematics
1 answer:
pogonyaev3 years ago
8 0

Answer:

Use the formula

(

b

2

)

2

in order to create a new term. Solve for

x

by using this term to complete the square.

x

=

1

,

−

9

Step-by-step explanation:

Use the formula

(

b

2

)

2

in order to create a new term. Solve for

x

by using this term to complete the square.

x

=

1

,

−

9

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Arithmetic sequence
HACTEHA [7]

Answer:18

Step-by-step explanation:

Note: Mathematicians start counting at 1, so by convention, n=1 is the first term. So we must define what the first term is. Then we have to figure out and include the common difference.

Taking a look at the examples again,

Sequence: 1, 2, 3, 4, … | Formula: a(n) = n + 1 | Recursive formula: a(n) = a(n-1) + 1, a(1) = 1

Sequence: 3, 8, 13, 18, … |Formula: b(n) = 5n - 2 | Recursive formula: b(n) = b(n-1) + 5, b(1) = 3

8 0
3 years ago
A number minus one is at the most nine, or two times the number is at least twenty-four.
maksim [4K]
<span>x − 1 ≤ 9 or 2x ≥ 24</span>
7 0
2 years ago
Find the midpoint between A and B, given that A=(-1,5) and B=(-3,-7)
Kamila [148]
Hello here is a solution :
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C( (-1-3)/2;(5-7)/2)
C(-2 ; -1)</span>
6 0
3 years ago
3(0.3x +1.3) = 2(0.4x -0.85)
Verdich [7]

Answer:

Step-by-step explanation:

3(0.3x + 1.3) = 2(0.4x - 0.85)

0.9x + 3.9 = 0.8x - 1.70

0.9x - 0.8x = - 1.70 - 3.9

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x = - 5.6 / 0.1

x = - 56

5 0
3 years ago
The tables below show four sets of data:
artcher [175]

Answer:

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3 years ago
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