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Arte-miy333 [17]
3 years ago
9

15 POINTS!!!!!!!!!!!!!!

Mathematics
1 answer:
ss7ja [257]3 years ago
3 0

Answer:

7.7 seconds

Step-by-step explanation:

t = √(h / 4.9)

t = √(290.57 / 4.9)

t = √59.3

t ≈ 7.7

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If A = -3n + 2 and B = 5n - 7, what is the value of A - B, in simplest form?
11Alexandr11 [23.1K]

Answer:

-8n + 9

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

A = -3n + 2

B = 5n - 7

A - B

<u>Step 2: Simplify</u>

  1. Substitute:                              -3n + 2 - (5n - 7)
  2. Distribute negative:               -3n + 2 - 5n + 7
  3. Combine like terms (n):         -8n + 2 + 7
  4. Combine like terms (Z):         -8n + 9
4 0
3 years ago
George makes two transactions today what can be the sum of 78+ (-34) mean in terms of George bank account
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Aacanding th the title a tite sic is 7R t Cz4
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regative
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8 0
2 years ago
An unfair coin with p(h) = 0.6 is flipped 3 times and the result of each toss is noted. what is the probability that there are a
mr_godi [17]
Total possible outcomes: (2)³=8 (heads or tails possibility on each toss) 

Draw out a Tree diagram to illustrate the given example, labelling the probability on each branch. 

Adding all the possible situations with P(t)≥2, we get 0.352 as the probability. 

Hope I helped :) 

4 0
4 years ago
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Step-by-step explanation:

-(7p+6)-2(-1-2p)

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4 0
3 years ago
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2X^2+4X-8-X^2+6X-4
X^2+4X-8+6X-4
X^2+10X-12
3 0
2 years ago
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