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Alecsey [184]
3 years ago
12

PLEASE HELP 100 POINTS

Mathematics
1 answer:
Reil [10]3 years ago
3 0

Answer:

1-2

3-1

4-3

2-4

brainiest if I'm right

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I need to find the least common denominator of x+2/x^2+2x-3 , x-7/x^2+5x+6
grin007 [14]

Answer:

(x + 3)(x - 1)(x + 2)  

Step-by-step explanation:

The fractions are:  

\dfrac{x + 2}{x^{2} + 2x - 3} \text{ and } \dfrac{x - 7}{x^{2} + 5x + 6}

Factor each denominator  

x^{2} + 2x - 3 = (x + 3)(x - 1)\\x^{2} + 5x + 6 = (x + 3)(x + 2)

We must find the least common multiple of the denominators.  We take the maximum power of each separate factor.

      Factors of first fraction = (x + 3) × (x - 1)

Factors of second fraction = (x + 3)             × (x + 2)

                                   LCM = (x + 3)(x - 1)(x + 2)

The lowest common denominator of the two fractions is (x + 3)(x - 1) (x + 2).

4 0
3 years ago
9. Ben drinks tea at a relatively quick rate. He drinks 1/2 liter of tea every 2/3 of an
AURORKA [14]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
Order the temperatures from greatest to least.
ch4aika [34]

Answer:

90

60

5

-10

-25

-45

Step-by-step explanation:

Do the biggest number. Then count down. When you get to negative number the smallest negative is the biggest number because it is closer to zero.

4 0
3 years ago
Only answer if you actually want to help me please
mamaluj [8]

the answer is circle idk if it's right but it could be I'm in high school I've been through algebra 1 now in geometry

5 0
3 years ago
Could someone explain how they get the answer for this?
jarptica [38.1K]

Answer:

40°

Step-by-step explanation:

The reference angle is the positive acute angle created by the terminal arm and the x-axis.

The highlighted red in the picture below shows what we're looking for.

The arm rotated 220° (but 'backwards' so the value given is negative).

|-220°| - 2(90°)          <= Subtract two right angles for two quadrants

= 220° - 2(90°)

= 220° - 180°

= 40°

Therefore, the reference angle is 40°.

If you got 50°, you probably calculated the angle with the terminal arm and the y-axis. Remember to always use the nearest side of the x-axis!

4 0
3 years ago
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