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Blizzard [7]
3 years ago
13

Factor the trinomial x^2 + 6x - 27

Mathematics
2 answers:
krek1111 [17]3 years ago
5 0
If you factor the trinomial using the AC method the answer would be 

(x-3)(x+9)
IceJOKER [234]3 years ago
5 0

Answer: (x + 9)(x - 3)

Step-by-step explanation: Since the constant term is negative, it can be factored as a positive times a negative. The factors of -27 that add to +6 are +9 and -3. The answer therefore is (x + 9)(x - 3).

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iren2701 [21]

Answer:

Statement D. is true

Step-by-step explanation:

7 0
3 years ago
Alex drew a scale drawing of an auditorium. He used the scale 3 inches = 2 feet. If the stage is 30 inches in the drawing, how w
White raven [17]

Answer:

20 feet

Step-by-step explanation:

The scale is 3 inches is to 2 feet

As a ratio, it would be:

\dfrac{3}{2}

The question is what is the actual length of the stage if the drawing is 30 inches. All we need to do is find a ratio proportional to the scale ratio:

\dfrac{3inches}{2feet} = \dfrac{30inches}{xfeet}

Now to find the missing number, cross multiply the fractions first:

\dfrac{3}{2}=\dfrac{30}{x}

(3)(x)=(2)(30)

3x=60

Then solve for x:

3x=60

x=\dfrac{60}{3}

x=20

The answer is 20 feet

8 0
3 years ago
The points H, I, J and K all lie on the same line segment, in that order, such that the
tresset_1 [31]

Answer:

IJ = 12

Step-by-step explanation:

sum the parts of the ratios, 3 + 3 + 4 = 10 parts

Divide HK by 10 to find the value of one part of the ratio.

40 ÷ 10 = 4 ← value of 1 part of ratio , then

IJ = 3 parts = 3 × 4 = 12

6 0
3 years ago
what are the coordinates of the midpoint of the line segment with endpoints B(9, -8) C(2, -5) ANSWER BY TODAY PLEASE
qwelly [4]
Y2-y1    -5-(-8)      3
____ = _____ = ___ =  -3/7
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4 0
3 years ago
Which expressions are equivalent to 7•7•7•7•7?
mojhsa [17]

It's just AAAAA, no other answers. So just check A

8 0
3 years ago
Read 2 more answers
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