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The probability of at least three heads can be found by<span><span>∑<span>k=3</span>4</span><span>(<span>4k</span>)</span><span>.5k</span><span>.5<span>4−k</span></span>=<span>516</span></span></span>
How many words did she type in 5 minutes ?
65x5 - 4 = 325 - 4 = 321 words
Answer:
substituting x=5y into 2x-3y=7, Answer: y = 1 x = 5
Step-by-step explanation:
2(5y)-3y=7
10y-3y=7
7y=7
y=1
substitute y=1 into x=5y
x=5(1)
x=5
F + 0.3 < 1.7
Subtract 0.3 on both sides
F < 1.4
Your final answer is F < 1.4
