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aksik [14]
3 years ago
5

Help pretty pretty please :(

Mathematics
2 answers:
Evgen [1.6K]3 years ago
8 0

Answer:

27/20

Step-by-step explanation:

The absolute value of any expression is always positive or zero

3/5 + 3/4

Add the fractions

27/20

Solution

27/20

Alternate form

1 7/20, 1.35

posledela3 years ago
6 0

Answer:

1.35

Step-by-step explanation:

  1. Simplify: 3/5 + 3/4
  2. Find the LCM for the denominators: 20
  3. Alter the numerators to fit the denominators: 3 × 4 = 12, 3 × 5 = 15
  4. Re-write the fractions and add them: \frac{12}{20} + \frac{15}{20} = \frac{27}{20}  
  5. 27/20 = 1.35

I hope this helps!

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If -1 and 2 are the two zeros of the polynomial x3-4x2-7x+10 find the third zero
rewona [7]

note that the zeroes should be x = 1 and x = - 2 not x = - 1 and x = 2

the factors are then ( x - 1 ) and (x + 2)

and x³ - 4x² - 7x + 10 = (x - 1 )(x + 2) = x² + x - 2

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5 0
3 years ago
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