Factor the trinomial: 2x^2 + 11x + 14

Mathematics

1 answer:

Natalija [7]2 years ago

6 0

It’s (2x + 7) (x +2)

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can someone help me I need a quick answer. If a base of 5 has an exponent of 2 and is subtracted from a base of 4 that hs an exp

lianna [129]

Answer:

Step-by-step explanation:

4^3 equals 64, and 5^2 equals 25. 64 - 25 = 39.

3 0

2 years ago

The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 3950

nexus9112 [7]

Answer:

0.9192 = 91.92% probability that the weight will be less than 4473 grams.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean weight of 3950 grams and a standard deviation of 374 grams.

This means that $\mu = 3950, \sigma = 374$