What is the missing angle

Mathematics

1 answer:

OLga [1]3 years ago

7 0

The original angle id 90 degrees so subtract the 45 degrees.
Answer: 45 degrees

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A recent report stated "Based on a sample of 170 truck drivers, there is evidence to indicate that, on average, independent truc

Aliun [14]

Answer:

The given statement describe inferential statistics.

Step-by-step explanation:

Descriptive Statistic:

It helps us to summarize a given data set.
It could describe the entire population or a sample from the population.
There are two types of descriptive measures: measures of central tendency and measures of variability
Central Tendency: Mean, mode, Median
Measure of Viability: Standard Deviation, Variance, Range, Interquartile range

Inferential Statistic:

It s the process of estimating population parameter with the help of a sample from the population.
A random sample from the population is used to describe the population with the help of sample statistic.

Given Scenario:

"Based on a sample of 170 truck drivers, there is evidence to indicate that, on average, independent truck drivers earn more than company-hired truck drivers."

Thus, this is an example of a inferential statistics as a sample was used to estimate the population.

Here,

Sample:

Sample of 170 truck drivers

Population:

All truck drivers.

With the help of a sample, we approximated the population, thus, this statement describe inferential statistics.

8 0

3 years ago

Write an equation in slope-intercept form of the line that passes through the point (-2,1) and is perpendicular to the equation

blondinia [14]

Let's convert the equation into slope-intercept form.

3x + 18y = 4
Subtract 3x from both sides.
18y= -3x + 4
Divide both sides by 18.
y = -3/18x + 4/18
Simplify.
y = -1/6x + 2/9

To make a line perpendicular, we need the slope to be the reciprocal of the other. Flip the denominator and numerator, and change the sign. We also have to change the b to make the line go through (-2, 1)

-1/6 to +6/1, or 6.

y = 6x + b

Input the x and y values and solve for b.

1 = 6(-2) + b
1 = -12 + b
Add 12 to both sides.
13 = b

y = 6x + 13

5 0

3 years ago

How would I find the difference of 7/8 - 1/3 ?

Lemur [1.5K]

Answer:

$\frac{13}{24}$

Step-by-step explanation:

We have two fractions and are being asked to subtract them.

7/8 and 1/3 don't have the same denominator, so to do as so, we need to find the LCM of both denominators, multiply them to that, and do the same for the numerators.

So what is the LCM (Least Common Multiple) of 8 and 3?

24.

Therefore :

$\frac{7 * 3}{8 * 3} - \frac{1*8}{3*8}$