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ddd [48]
4 years ago
14

Factor the trinomial below.

Mathematics
2 answers:
-Dominant- [34]4 years ago
8 0

Answer:

( x+6) ( x-3)

Step-by-step explanation:

x^2 + 3x - 18

What 2 numbers multiply to -18 and add to 3

6*-3 = -18

6+-3 = 3

( x+6) ( x-3)

Sliva [168]4 years ago
7 0

Answer:

A

Step-by-step explanation:

Given

x² + 3x - 18

Consider the factors of the constant term (- 18) which sum to give the coefficient of the x- term (+ 3)

The factors are + 6 and - 3, since

6 × - 3 = - 18 and 6 - 3 = + 3, thus

x² + 3x - 18 = (x + 6)(x - 3) → A

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What number produces a rational number when added to 0.53
Naddik [55]

Answer:

Hi,

anything bewteen .01-.46 becuase rational is a number that is not a whole.

Answered by Britton :)


8 0
3 years ago
Read 2 more answers
5. The average weight of a blue whale is 4 x 105 pounds. The average weight of an elephant is 1 x 10 pounds. How many more times
solong [7]

Answer:

42 more times

Step-by-step explanation:

1) 4×105=420 (pounds)-blue whale

2) 1×10=10 (pounds)- elephant

3) 420:10=42

7 0
3 years ago
What is the solution to the equation 1/6x=2?
iris [78.8K]

Answer:

x = 12

Step-by-step explanation:

Multiplying (1/6) by 6 will isolate the variable x.  That's what we want.

6(1/6)x = 6(2) leads to x = 12

7 0
3 years ago
Find a third degree polynomial that passes through the points (−3, 0),(−2, −3),(0, 3) and (2, −15). Using the form p(x) = ax3+bx
LekaFEV [45]

Answer:

f(x)=3/16x^3-9/4x+3

7 0
3 years ago
Find the length of the third side of a right triangle with a hypotenuse of 17 and a leg of 10. 13.7 100 289 19.7
mojhsa [17]

Answer:

≈ 13.7

Step-by-step explanation:

Using Pythagoras' identity on the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

let x be the length of the third side, then

x² + 10² = 17², that is

x² + 100 = 289 ( subtract 100 from both sides )

x² = 189 ( take the square root of both sides )

x = \sqrt{189} ≈ 13.7

3 0
3 years ago
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