Answer:
Step-by-step explanation:
<u>Value of functions</u>
To evaluate a function for a given value of x, we replace the x for the value and perform the resulting operations.
The given function is (corrected):
We need to find f(-4), so we use x=-4:
WHOEVER ANSWERS FIRST GETS BRAINLIEST (SCIENCE)
2 answers:
Answer:
Questoin:
1. Ecosystems contain producers, consumers, and decomposers. Which list below includes an example of each?
fungus, chipmunk, fox
dandelion, squirrel, bacteria
cricket, beetle, woodpecker
maple tree, blue jay, hawk
2. Which list below shows the correct path of energy flow through a food chain?
carnivore>herbivore>decomposer>producer
herbivore>producer>decomposer>carnivore
producer>herbivore>carnivore>decomposer
producer>carnivore>decomposer>herbivore
3. Consider the energy pyramid. Which statement best summarizes what happens to energy as it flows through the food chain?
The amount of energy transferred between trophic levels decreases up the food chain
The amount of energy transferred between trophic levels increases up the food chain.
The amount of energy transferred between any two trophic levels of a food chain is the same.
The amount of energy at each trophic level of a food chain is independent of the other levels
Step-by-step explanation:
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So.. let's say ∡AGB and ∡BGC are say "a" units wide, and ∡CGD and ∡DGE are "b" units wide
notice the picture below
all angles added up together, will make up just a flat line, or 180°
now, notice in the picture, the ∡BGD is really just " a + b " wide, notice the green angle in the picture of ∡BGD, well, we know what a + b is
notice the picture below
all angles added up together, will make up just a flat line, or 180°
now, notice in the picture, the ∡BGD is really just " a + b " wide, notice the green angle in the picture of ∡BGD, well, we know what a + b is
Answer:
22.86% probability that the persons IQ is between 110 and 130
Step-by-step explanation:
Problems of normally distributed samples are solved using the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by:
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 pvalue, we get the probability that the value of the measure is greater than X.
In this problem, we have that:
If one person is randomly selected what is the probability that the persons IQ is between 110 and 130
This is the pvalue of Z when X = 130 subtracted by the pvalue of Z when X = 110.
X = 130
has a pvalue of 0.9772
X = 110
has a pvalue of 0.7486
0.9772 - 0.7486 = 0.2286
22.86% probability that the persons IQ is between 110 and 130