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Gre4nikov [31]
3 years ago
8

Help needed with right triangle trig!​

Mathematics
1 answer:
gregori [183]3 years ago
4 0

10^2 +7^2=x^2

100 +49=x^2

149=x^2

Square root of 149 =12.2

X=12.2

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I was just wondering this is one of my questions in my math books and i needed help (Its really long i did all the work i just w
slava [35]

Answer:

no not that wuch

Step-by-step explanation:

4 0
3 years ago
Are all functions linear or exponential? Or does it go like, “all linear or exponentials are functions”?
Alex_Xolod [135]
The second one is correct
3 0
3 years ago
Write the equation of a line in slope-intercept form parallel to the line y = -2x + 7 and contains (-1, 3).
JulsSmile [24]

Answer:

The answer is

<h2>y = - 2x + 1</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

From the question the original line is

y = - 2x + 7

Comparing with the general equation above

Slope = - 2

Since the lines are parallel their slope are also the same

Slope of parallel line = - 2

The equation of the line using point (-1, 3) and slope - 2 is

y - 3  =  - 2(x + 1) \\ y - 3 =  - 2x - 2 \\ y =  - 2x - 2 + 3

We have the final answer as

y =  - 2x + 1 \\

Hope this helps you

7 0
3 years ago
What is the solution for this system of equations y = x - 4 Y = -x + 6
lana66690 [7]

Our system of equations is:

y = x - 4

y = -x + 6


We can solve this system of equations by substitution. We already have one equation solved for the variable y in terms of x, so we can substitute in this equivalent value for y into the second equation as follows:


y = -x + 6

x - 4 = -x + 6


To simplify this equation, we first are going to add x to both sides of the equation.


2x - 4 = 6


Next, we are going to add 4 to both sides of the equation to separate the variable and constant terms.


2x = 10


Finally, we must divide both sides by 2, to get the variable x completely alone.


x = 5


To solve for the variable y, we can plug in our solved value for x into one of the original equations and simplify.


y = x - 4

y = 5 - 4

y = 1


Therefore, your final answer is x = 5 and y = 1, or as an ordered pair (5,1).


Hope this helps!

3 0
4 years ago
Determine for which interval(s) the function is increasing and decreasing for questions 3-5.
Solnce55 [7]
Option D would be the correct answer.
7 0
4 years ago
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