tk1264
03.11.2020 •
Mathematics
Kelly flips a coin 10 times. The coin lands on tails 6 times. Which of the following statements are true? (More than one statement may be correct!)
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Ответ:
Even though you dont have the statements, she flipped the coin and 60% of the time the result of the coin flip was tails, 40% of the flips were heads.
Even though she got tails 20% more than heads, she still has a 50-50% probability of getting heads or tails.
Heads to tails rate was 4:6
Ответ:
$176
Step-by-step explanation:
Janelle and her best friend Carmen go shopping. the function p(t) = 5x^4 - 3x^3 + 2x^2 + 24 represents how much money each girl spent based on the number of hours they were shopping. If Janelle and Carmen each go shopping for 2 hours how much money did they spend together.
$58
$62
$176
$124
p(t) = 5x^4 - 3x^3 + 2x^2 + 24
Solve when x = 2 hours
p(t) = 5x^4 - 3x^3 + 2x^2 + 24
= 5(2)^4 - 3(2)^3 + 2(2)^2 + 24
= 5(16) - 3(8) + 2(4) + 24
= 80 - 24 + 8 + 24
= $88
how much money did they spent together?
= $88 × 2
= $176
They both spent $176 altogether