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Irina18 [472]
2 years ago
9

How do i find the area of a triangle if the base is x and the height is 2x

Mathematics
1 answer:
yuradex [85]2 years ago
6 0

Answer:

A= (1/2)(X)(2X)

(1/2)(2X^2)

= (2X^2)/2

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Use the value of the linear correlation coefficient r to find the coefficient of determination and the percentage of the total v
adoni [48]

The coefficient of determination is the square of the correlation coefficient, and the value is 0.0151

<h3>How to determine the coefficient of determination?</h3>

The given parameter is:

Correlation coefficient, r = 0.123

Rewrite as:

r = 0.123

Take the square of both sides

r² = 0.123²

Evaluate the square

r² = 0.015129

Approximate

r² = 0.0151

The coefficient of determination is represented by r²

Hence, the coefficient of determination is 0.0151

Read more about coefficient of determination at

brainly.com/question/20263006

#SPJ1

7 0
2 years ago
Write an inequality that would include the point (3,78), (0,312), (5,10) to be part of the solution.
just olya [345]

Answer:

We want to write an inequality with the points (3, 78), (0, 312) and (5, 10) as solutions.

Then the set of the x-values is {0, 3, 5}

The set of the y-values is {10. 78. 312}

So if we wrote an inequality like:

y > 5

It would include all these solutions, because:

10 > 5

78 >  5

312 > 5

And this has no restriction on the x-variable, so all the x-value range can be a solution, meaning that the points (3, 78), (0, 312) and (5, 10) are solutions to that inequality.

Another one (also trivial) can be:

x < 9

because:

3 < 9

0 < 9

5 < 9

And we have no restriction on the y-values, then the points (3, 78), (0, 312) and (5, 10) are solutions to that inequality.

8 0
3 years ago
3 distance questions:
zhuklara [117]
This one actually made me think. I like your teacher.

2h 30min (2.5)×30mph=75m
1h 30min (1.5)x50mph=75m

1 hour longer when driving to Arkansas

______________________________


11h 12min (11.2)×300mph=3360m
4h 48min (4.8)×700mph=3360m


11h 12min from NY to Paris.
7 0
3 years ago
What is the inverse of the function f(x) = x – 12?
maxonik [38]

Answer:

f(x)^-1=x+12

Step-by-step explanation:

f(x)=x-12

y=x-12

x=y-12

y=x+12

f(x)^-1=x+12

Hope it helps.

6 0
3 years ago
Read 2 more answers
Evaluate another function please
kari74 [83]

Answer:

70, I think

Step-by-step explanation:

f(10)= -10^2- 3(10)

f(10)= 100-30

f(10) = 70

6 0
2 years ago
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