Write a situation to describe the equation below: C=50+16x
1 answer:
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The factored form of the considered polynomial is
If the given quadratic expression is of the form
then its factored form is obtained by two numbers alpha( α ) and beta( β) such that:
Then writing b in terms of alpha and beta would help us getting common factors out.
For the considered polynomial, we've got the quadratic expression as:
Comparing this with , we get:
- a = 1 (since
)
- b = 11
- c= 24
Therefore, we have : ac = c = 24
Two numbers whose multiplication gives 24 and and whose addition gives 11.
24 =
If we take first three 2s, and 3, then:
Thus, we need to write 11 in the middle in terms of 8 and 3:
Thus, the factored form of the considered polynomial is
Learn more about factors of a quadratic equations here:
Answer:
The percent of students in the sample who were male is 48%.
Step-by-step explanation:
The complete question is:
Researchers once surveyed 100 students on which superpower they would most like to have. The following two-way table displays data for the sample of students who responded to the survey.
Superpower Male Female TOTAL
Fly 26 12 38
Invisibility 12 32 44
Other 10 8 18
TOTAL 48 52 100
What percent of students in the sample were male?
Solution:
The probability of an event <em>E</em> is the ratio of the number of favorable outcomes to the total number of outcomes.
The number of males in the sample is, <em>n</em> (M) = 48.
Total number of students, <em>N</em> = 100.
Compute the probability of selecting a male student as follows:
Then the percent of students in the sample who were male is:
Thus, the percent of students in the sample who were male is 48%.