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Bogdan [553]
3 years ago
5

I need help graphing and answering this, please answer I really need help!

Mathematics
1 answer:
Llana [10]3 years ago
8 0
The equation is proportional and the slope is 2/7. y is 0 so you go 2 right and 7 up, keep repeating this. if you want it to go down to be a full line, start at y and go 2 left and 7 down
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What is the solution of the linear-quadratic system of equations? { y = x 2 + 5 x − 3 y − x = 2
photoshop1234 [79]

Try substituting those values, and you will see they do not fit either equation.

looking at the 2nd equation, y = x+2, so

x+2 = x^2+5x-3

x^2 + 4x - 5 = 0

(x+5)(x-1) = 0

x = -5 or 1

so, y = -3 or 3

the solutions are thus (-5,-3)(1,3)

Hope this helps

Please give me Brainliest

8 0
2 years ago
Read 2 more answers
A palm tree is supported by two guy wires as shown in the diagram below. Which trig expression can be used to find the height on
Volgvan

Answer:

D. tan(30^\circ+45^\circ) is the correct answer.

Step-by-step explanation:

The given situation can be represented as a figure attached in answer area.

B is the base of tree.

C is the base of wires.

A and D are the end of 2 wires supporting the tree.

\angle DCB =45^\circ\\\angle ACB =75^\circ\\

Here, we need to find the Height of the tree which is represented the by side AB.

and we are given that bases of wires and tree base are at a distance 4 ft.

i.e. side BC = 4 ft

If we look at the \triangle ABC, we are given the base BC and the \angle ACB, and the perpendicular is to be find out.

We can use trigonometric identity:

tan\theta =\dfrac{Perpendicular}{Base}

tan 75^\circ = \dfrac{AB}{BC}\\\bold {tan (45+30)^\circ }= \dfrac{AB}{4}\\\Rightarrow AB = \bold {tan (45+30)^\circ } \times 4 = 14.93\ ft

Hence, D. tan(30^\circ+45^\circ) is the correct answer.

5 0
3 years ago
8(3 - 2x) + 4x is an example of
Kruka [31]

Answer:

That is a Multi Step Equation

7 0
3 years ago
4.2 using similar shapes​
aksik [14]

Answer:

Nininininiji

Step-by-step explanation:

6 0
2 years ago
What is the common point between lines y = ½ x + 4 and y = x – 4?
nirvana33 [79]
1/2X+4=X-4
1/2X+8=X
8=1/2X
16=X

(Pick one of the equations )
y=1/2X+4
y=(1/2)(16)+4
y=12

point: (16,12)
7 0
2 years ago
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