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Mathematics

2 answers:

4vir4ik [10]3 years ago

8 0

Answer:A zero can be found between the input values of (-1 and 0) because (zero falls between the values of f(x) for these inputs. One zero of the function is approximately (-0.9)

Step-by-step explanation:

leonid [27]3 years ago

3 0

<u>Given</u>:

Given that the table that shows the input and the output values for a cubic function.

We need to determine an approximate zero of the function.

<u>Approximate zero of the function:</u>

The zeros of the function are the x - intercepts that can be determined by equating f(x) = 0.

In other words, the zeros of the function is the value of x determined by equating f(x) = 0 in the function.

Let us determine the approximate zero of the function.

The approximate zero of the function can be determined by finding the value of f(x) that has a value which is almost equal to zero.

Thus, from the table, it is obvious that the value of f(x) that is approximately equal to zero is -0.5

Hence, the corresponding x - value is -1.

Therefore, the approximate zero of the function is -1.

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the u.s. census bureau needs to estimate the median income of males in the u.s., they collect incomes from 2500 males. state the

Shkiper50 [21]

Individual : a male in the United States

Variable : income

Population : All males in the United States

Sample : 2500 males of which the information is collected

Parameter : Median income of males in the U.S

Statistic : Median income of the 2500 males sampled

Any quality, amount, or number that can be gauged or tallied qualifies as a variable. A data item is another name for a variable.
A sample is a subset of units chosen to represent all the individuals in a population. Because just a portion of the population was counted, it is only a partial enumeration. To estimate the characteristics of the total population of interest, data from the sampled units is used.
A statistic is a numerical representation of a sample, whereas a parameter is a numerical representation of the entire population.

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4 0

2 years ago

an open box is to be made from a piece of metal 16 by 30 inches by cutting out squares of equal size from the corners and bendin

blagie [28]

Let the lengths of the bottom of the box be x and y, and let the length of the squares being cu be z, then
V = xyz . . . (1)
2z + x = 16 => x = 16 - 2z . . . (2)
2z + y = 30 => y = 30 - 2z . . . (3)

Putting (2) and (3) into (1) gives:
V = (16 - 2z)(30 - 2z)z = z(480 - 32z - 60z + 4z^2) = z(480 - 92z + 4z^2) = 480z - 92z^2 + 4z^3
For maximum volume, dV/dz = 0
dV/dz = 480 - 184z + 12z^2 = 0
3z^2 - 46z + 120 = 0
z = 3 1/3 inches

Therefore, for maximum volume, a square of length 3 1/3 (3.33) inches should be cut out from each corner of the cardboard.
The maximum volume is 725 25/27 (725.9) cubic inches.

8 0

3 years ago

Please help! Will give brainliest to correct answer

saveliy_v [14]

Answer:

Correct option is (C).

Step-by-step explanation:

Because in figure,

°.°point B is fixed at plane.

.°.Center is B.

& °.° Image is enlargement.

.°. scale factor will be greater than 1