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3 years ago

PLEASE ANSWER ASAP IM BEGGING YOU THANKS :)

Mathematics

1 answer:

Svetach [21]3 years ago

7 0

To find the slope, find rise (change in y) over run (change in x)
-50/1=-50
Slope=-50.
Next find the y intercept (the value of y when x is 0)
Y intercept=250
Plug these values into slope intercept form
y=-50x+250

Final answer: A

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Prove that the triangle EDF is isosceles. Give reasons for your answer.

Gekata [30.6K]

Answer:

$\triangle EDF$ is isosceles.

Step-by-step explanation:

Please have a look at the attached figure.

We are given the following things:

$\angle EDF = y$

$\text{External }\angle DFG = 90 +\dfrac{y}{2}$

Let us try to find out $\angle E$ and $\angle DFE$ . After that we will compare them.

Finding  $\angle DFE$ :

Side EG is a straight line so $\angle GFE = 180$

$\angle GFE$ is sum of internal $\angle DFE$ and external $\angle DFG$

$\angle GFE = 180 = \angle DFE + \angle DFG\\\Rightarrow 180 = \angle DFE + (90+\dfrac{y}{2})\\\Rightarrow \angle DFE = 180 - 90 - \dfrac{y}{2}\\\Rightarrow \angle DFE = 90 - \dfrac{y}{2} ....... (1)$

Finding  $\angle E$ :

Property of external angle: External angle in a triangle is equal to the sum of two opposite internal angles of a triangle.

i.e. external $\angle DFG$ = $\angle E + \angle EDF$

$\Rightarrow 90+\dfrac{y}{2} = \angle E + y\\\Rightarrow \angle E = 90+\dfrac{y}{2} -y\\\Rightarrow \angle E = 90-\dfrac{y}{2} ....... (2)$

Comparing equations (1) and (2):

It can be clearly seen that:

$\angle DFE = \angle E =90-\dfrac{y}{2}$

The two angles of $\triangle EDF$ are equal hence $\triangle EDF$ is isosceles.

8 0

3 years ago

Which absolute value function has a graph that is wider than the parent function, f(x) = |x|, and is translated to the right 2 u

RoseWind [281]

Transformation involves changing the form of a function.

The absolute value function is $f(x)=0.3|x -2|$

The parent function of the absolute value function is:

$f(x)=|x|$

When the function is translated 2 units to the right, the new function is:

$f(x)=|x -2|$

From the function to be wider than the absolute function, the function must be stretched by a factor less than 1.

The possible function from the list of given options is $f(x)=0.3|x -2|$

Read more about function transformation at:

brainly.com/question/1548871

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3 years ago

Pleaseeee help ASAP rocky!!!

Georgia [21]

Answer:E

Step-by-step explanation:

7 0

3 years ago

I will give brainliest to whoever answers this question:) help a dummy out

aliya0001 [1]

Answer:

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

How many vertical asymptotes exist for this function?

marin [14]

Remember that to find the vertical asymptotes of rational functions, we just need to set the denominator equal to zero and solve for the variable, in this case $x$ , so lets do it:
$(x-4)(x+1)=0$
$x=4,x=-1$

As you can see, our rational functions has 2 vertical asymptotes: $x=4$ and $x=-1$

5 0

3 years ago