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lord [1]
3 years ago
12

Pick the correct equation for the line below:

Mathematics
1 answer:
Roman55 [17]3 years ago
6 0

Answer:

none of above because the correct equation is y= -3x+90

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Evaluate the expression when x = 3.<br><br> x² + 6x - 3
Black_prince [1.1K]

Answer:

X=3

{3}^{2}  + 6(3) - 3 \\ 9 + 18 - 3 \\ 27 - 3 \\  = 24

3 0
2 years ago
What is an equivalent expression for 3(x-12)? *<br> O<br> 3x-12<br> 3x+12<br> O<br> 3x-36<br> 3x+36
Doss [256]
The correct answer is
3x - 36
7 0
2 years ago
Read 2 more answers
If you get both of these questions right I will give you 50 points
Stella [2.4K]

Answer:

1) c 226

2)

1. E

2. D

3. B

4. A

5. C

Step-by-step explanation:

6^3=216

5x(4-2)

5x2=10

216+10=226

8 0
2 years ago
10 points
oee [108]

Answer:

x = 240 feet

Step-by-step explanation:

It is given that,

The angle of depression is 30 degrees from the bottom of the boat to a  deep sea diver at the depth of 120 ft.

We need to find the distance x the diver must  swim up to the boat. It can be calculate by applying trigonometry as follows :

\sin30=\dfrac{120}{x}\\\\x=\dfrac{120}{\sin30}\\\\x=240\ \text{feet}

So, the distance the diver must swim up to the boat is 240 feet.

6 0
3 years ago
How to solve linear equations using graphs
Artemon [7]

Explanation:

We usually use graphs to solve two linear equations in two unknowns.

The basic idea is that a graph of an equation is the pictorial representation of all of the points that satisfy the equation. So, where the graph of one equation crosses the graph of another, the point where they cross will satisfy both equations.

Finding a solution means finding values of the variables that satisfy all of the equations. Hence, the point of intersection is the solution of the equations.

__

To solve linear equations by graphing, graph each of the equations. Then find the coordinates of the point where the lines intersect. Those coordinates are the solution to the equations.

If the solution is not at a grid point on the graph, determining its exact value may not be easy. This can often be aided by a graphing calculator, which can often tell you the point of intersection to calculator accuracy.

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If the lines don't intersect, there are no solutions. If they are the same line (intersect everywhere), then there are an infinite number of solutions.

3 0
3 years ago
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