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stira [4]
3 years ago
12

Need help with #8 & #14 PLEASE!!

Mathematics
1 answer:
juin [17]3 years ago
8 0

Answer:

8 (see work)

14. 2x^2 -4x^2 +3

Step-by-step explanation:

There's attached work for explanation

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If the relationship below are given in form (input, output), Which pairing always describes a function?
kozerog [31]

Answer:

Step-by-step explanation:

i'm not sure what the answer options are since they're not provided, but it's whichever option has a steady rate of change. (ex: money, time spent earning it; location, time spent driving; length in inches, length in meters)

3 0
2 years ago
Write the expression as a power. 3^12 * 27
11Alexandr11 [23.1K]
<h3>Answer:  3^15</h3>

Work Shown:

3^12 * 27

3^12 * 3^3

3^(12+3)

3^15

I used the rule a^b*a^c = a^(b+c) on the third step.

3 0
3 years ago
an athlete is running around a circular path that has a diameter of 250 and an arc of 120 also use 3.14 as pie
erastova [34]

Answer:

1257.14 m or 1.26 km

Step-by-step explanation: hope this helps :)

4 0
3 years ago
Rank the following methods of timekeeping from most precise to least precise. ANSWER ASAP AND GET BRAINLIEST
PtichkaEL [24]

Answer:

Most precise to least precise

  1. Finding the height of the sun in the sky
  2. Counting heartbeats
  3. A calendar
  4. A stop watch
8 0
2 years ago
2 people have calculators, one person starts at 100 and subtracts 7 each time. Another starts at zero and adds 3 each time. If t
zaharov [31]

Answer:

  Yes, after 10 key presses, both will arrive at the number 30.

Step-by-step explanation:

The difference between the numbers on the calculators is reduced by 10 with each key press. After 10 key presses, the initial difference of 100 will be zero. After 10 key presses of (-7), the calculator starting at 100 will be ...

  100 +10(-7) = 30

After 10 key presses of (+3), the calculator starting at 0 will be ...

  0 +10(+3) = 30

Both calculators will show 30 after 10 key presses.

3 0
2 years ago
Read 2 more answers
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