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Aleonysh [2.5K]
2 years ago
13

Which expressions are equivalent to -0.5(4-2+8x)? Select all that apply.

Mathematics
1 answer:
ludmilkaskok [199]2 years ago
7 0

Answer:

3 4 6

Step-by-step explanation:

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Which of the following is a valid conclusion based on the given argument?
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Given that x=5, when we substitute in 5 for 2x + 3 = 13, the equation will turn out to be true.

Step-by-step explanation:

2x + 3 = 13       x=5

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Convert 80 km per hour and 120 km per hour to meters per second​
Burka [1]

hi brainly user! ૮₍ ˃ ⤙ ˂ ₎ა

⊱┈────────────────────────┈⊰

\large \bold {ANSWER}

  • \large \boxed { \large \sf \green{ 80 km/h = 22.22 m/s }}
  • \large \boxed { \large \sf \green{ 120 km/h = 33.33 m/s }}

\large \bold {SOLUTION}

The first thing we must do is convert kilometers to meters. We will do this by multiplying by 1,000, since 1 km corresponds to 1,000 meters.

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Now that we've done that, let's divide the values by 3,600, because an hour is 60 minutes, and each minute is 60 seconds, so 60*60 is 3,600.

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\frac{120.0\not0\not0}{3.6\not0\not0}=33.33

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