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atroni [7]
2 years ago
15

Which ordered pair would be a solution to the equation y = 2x -9?

Mathematics
2 answers:
netineya [11]2 years ago
6 0

Answer:4,5

Step-by-step explanation: i think this is the answer that or (4.5,0)

Nesterboy [21]2 years ago
4 0

Answer:

(0,−9)

Step-by-step explanation:

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For each function, do the following: a) state the name of the function, b) identify the independent and dependent variable, c) i
user100 [1]
<h2>Hello</h2>

The answers are:

a) The name of the function is y, and it's a Square Root Function.

b) Independent variable : x , dependent variable : y

c) The rule that assigns exactly one output to the very input is called "function".

d) y=\sqrt{25}=5

<h2>Why?</h2>

The name of a function can be also given as a single letter (y). For this exercise,  the name of the function is "y", and it's a Square Root Function.

The independent variable of a function is the variable we assign the different values. For this exercise, the independent variable is designated with the letter "x".

The dependent variable is the function itself (y),  and it's called "dependent" variable because its values will always depend on the "independent variable".

A function is the rule that states that there is exactly one output (range value) to the very input (domain value).  A function only exists when there is exactly one output value (range) for each given input (domain), if there is more than one output for each input, the function does not exist.

To evaluate a function we assign values to the independent variable(x), hence:

y=\sqrt{25}=5

Have a nice day!

5 0
3 years ago
Bob is building a wooden cabin. The cabin is 30 meters wide. He obtained a bunch of 17 meters long wooden beams for the roof of
qaws [65]
The roof will be in the shape of an isosceles triangle with a base length of 30 m and two sides that are 17 m. The two 17 m beams will have the same angle of elevation since they have to might in the middle.

So to find the angle of elevation, we can split the roof in half vertically to create a right triangle. The base will now be 15 m, and the hypotenuse will be 17. Now we can use a trigonometry function to solve for the angle. We know the hypotenuse and the side adjacent to the angle, so we can use cosine.

cos(\theta) =  \frac{adjacent}{hypotenuse}

cos(\theta)= \frac{15}{17}

cos^{-1}( \frac{15}{17})=\theta

\theta = 28.1^{\circ}

The answer  is 28.1 degrees
3 0
2 years ago
PLEASE ANSWER CORRECTLY:
KATRIN_1 [288]

Answer:

%45

Step-by-step explanation:

=  

22 - 40

40

=  

-18

40

=-45%

= 45% error

3 0
2 years ago
Which statement explains how the lines x + y = 2 and y = x + 4 are related?
zysi [14]
Answer: X = -1 and Y = 3
—————————————
X + Y = 2
X = 2 - Y
————————
Y = x + 4
Y = 2 - Y + 4
2Y = 2 + 4
2Y = 6
Y = 3
————————
X + Y = 2
X + 3 = 2
X = -1
8 0
2 years ago
42×4/7 how do this problem
vlada-n [284]
Convert to:

42        4         168
----  x  ----  =   ------
 1         7           7
5 0
3 years ago
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