3 years ago

Maya is M years old which expression shows how old she will be in four years from now

Mathematics

2 answers:

FrozenT [24]3 years ago

6 0

Your answer would be x=m×4

lozanna [386]3 years ago

5 0

If MAYA is M years, and you want to see how old she is in four. You would do M + 4. For example lets say you knew MAYA was 8. How old is she in 4 years? M + 4. Replace it ( 8 + 4 ), she would be 12 in 4 years. M could be any number age and it would be true. Her age + 4 = her age in 4 years. Hope this helped :)

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The average height of corn stalks in a field is 71 inches with a standard deviation of 4.3 inches. Sketch a normal curve labelin

kvasek [131]

Answer:

The answer is below

Step-by-step explanation:

The empirical rules states that for a normal distribution, 68% of the data falls within one standard deviation from the mean, 95% falls within two standard deviation from the mean and 99.7% falls within three standard deviations from the mean.

Given that:

mean (μ) = 71 inches, standard deviation (σ) = 4.3 inches

One standard deviation = μ ± σ = 71 ± 4.3 = (66.7, 75.3)

Two standard deviation = μ ± 2σ = 71 ± 2*4.3 = (62.4, 79.6)

Three standard deviation = μ ± 3σ = 71 ± 3*4.3 = (58.1, 83.9)

The graph is attached