Triangle ABC has sides of measure a = 4 cm, b = 9 cm, c = 7 cm.

1 answer:

Studentka2010 [4]2 years ago

3 0

Sin=opposite÷hypotenuse

cos=adjacent÷hypotenuse

tan=opposite÷adjacent

hypotenuse is the longest side, the opposite is the side that is opposite of the angle you're trying to find, and the adjacent side is the side that is not the hypotenuse or opposite.

plug it into your calculator. it is very simple :))

for future reference if you attach a photo it will be easier for people to help you.

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Use average rates of change to determine if the function in the table is Linear or Non-linear.

nevsk [136]

We have been given a table of values of a function. We are asked to determine whether the given function is linear or nonlinear.

We know that a function is linear when its rate of change (slope) is constant.

Let us find slope for each of the given points using slope formula.

$m=\frac{y_2-y_1}{x_2-x_1}$

$m=\frac{-3-0}{4-1}=\frac{-3}{3}=-1$

Similarly, we will find the slopes using other given coordinates.

$m=\frac{-6-(-3)}{7-4}=\frac{-6+3}{3}=\frac{-3}{3}=-1$

$m=\frac{-9-(-6)}{10-7}=\frac{-9+6}{3}=\frac{-3}{3}=-1$

Since the rate of change for each set of points is $-1$ , so the rate of change is constant.

Therefore, the given function is linear.

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2 years ago

A regression equation is determined that describes the relationship between average January temperature (degrees Fahrenheit) and

Musya8 [376]

Answer:

Decreases by 2 degrees

Step-by-step explanation:

The expression that describes temperature as a function of latitude is:

$T=110-2(Latitude)$

This equation represents a linear relationship between latitude and temperature in a way that an increase in latitude causes a decrease in temperature. The magnitude of this decrease is quantified by the slope of the linear equation, which is -2. Therefore, the estimated temperature decreases by 2 degrees when latitude is increased by one.

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2 years ago

THe equation of the graph line is 2x-3y=12 what is the x-intercept of the graph

katrin2010 [14]

2x-3y=12

Make y substitute 0

2x-3(0)=12

2x= 12

X= 12-2

X= 10

X-intercept is 10

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