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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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\\\\\\
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3 years ago
Item 8 Solve for x. Use the quadratic formula. 2x2−5x−9=0 Enter the solutions, in simplified radical form, in the boxes.
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Answer:

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Also 5-√97/4

Step-by-step explanation:

The Quadratic formula is x=-b+-√b^2-4ac/2a

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Once we have put these into the formula we get

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Also 5-√97/4 (all over 4) aka -1.21

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Step-by-step explanation:

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Step-by-step explanation:

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