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s344n2d4d5 [400]
3 years ago
14

FInd the value of x/

Mathematics
1 answer:
grandymaker [24]3 years ago
3 0

Answer:

x=18

Step-by-step explanation:

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For the function f(x) = x + 9, find (f o f-1)(5) A. 14 B. 5 C. -5 D. 25
Alex Ar [27]
F-1:
y=x+9
y-9=x
x-9=f-1
f-1(14)=14-9=5 f-1(5)=5-9=-4  f-1(-5)=-5-9=-14 f-1(25)=25-9=16
f(14)=14+9=24 f(5)=5+9=14 f(-5)=9-5=4 f(25)=25+9=34
5 0
3 years ago
An education researcher collects data on how many hours students study at various local colleges. The researcher calculates an a
fgiga [73]

Answer:

Correct option is (B) descriptive statistical method

Step-by-step explanation:

Descriptive statistics branch in statistics deals with the representation of the data using distinct brief coefficients. These coefficients are used as either the representative of the sample or the population.

The descriptive statistics branch is divided into two sub branches:

  1. Measure of central tendency
  2. Measure of dispersion.

The three measures of central tendency are:

  • Mean (or Average)
  • Median
  • Mode.

The measures of dispersion are:

  • Variance
  • Standard deviation
  • Range
  • Kurtosis
  • Skewness

The education researcher computes the average number of hours student study at various local colleges.

The average of a data is the mean value which is the measure of central tendency.

Thus, the researcher is using descriptive statistical method to summarize the data.

3 0
3 years ago
4
Ede4ka [16]

Answer:

Temperature in °F = 160°F

Step-by-step explanation:

Temperature can be defined as a measure of the degree of coldness or hotness of a physical object. It is measured with a thermometer and its units are Celsius (°C), Kelvin (K) and Fahrenheit (°F).

Given the following data;

Temperature in Celsius = 25°C

To convert celsius to fahrenheit, we would use the following formula;

Temperature in °F = (5 x temperature in °C + 32°)

Substituting into the formula, we have;

Temperature in °F = (5 x 25 + 32°)

Temperature in °F = (125 + 32°)

Temperature in °F = 157

To the nearest 10°F;

Temperature in °F = 160°F

3 0
3 years ago
If there are five numbers in a data set, how many modes can there be? (Check all that apply.)
STatiana [176]

(a) 1

Explanation:

The mode of the data set is the number that occurs most frequently in the set. To easily find the mode. put the numbers in order from least to greatest and count how many times each number occurs. The number that occurs the most is the mode.

If 5 different numbers are there in a data set then, the mode would be 1 as a number is present minimum one number of times.

4 0
3 years ago
If a baseball team's ratio of wins to losses is 3 to 4, what is the ratio of wins to games played? (There are no ties).
Firlakuza [10]

Answer:

Hey can we talk if you are there please

3 0
2 years ago
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