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Oduvanchick [21]
2 years ago
6

Solve the problem below.

Mathematics
1 answer:
maxonik [38]2 years ago
6 0

Answer:

Please post one by one answer

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Write an equation of the line that passes through (1,-3) and is perpendicular to the line <img src="https://tex.z-dn.net/?f=y%3D
Lubov Fominskaja [6]

Answer:

y = 3x

Step-by-step explanation:

Given line slope = m = -1/3

   perpendicular line slope = - 1/m = 3

Point slope form through point 1, - 3

(y+3) = 3 ( x-1)       expand and rearrange

y -3 = 3x- 3

  y = 3x - 6  

3 0
2 years ago
Find f(-3) if f(x)=x^2+2x-1
valkas [14]
Here is the answer with my work !!

4 0
1 year ago
Problem 6
Leno4ka [110]

Answer:

8 rabbits

22 chickens

Step-by-step explanation:

c = chickens

r = rabbits

heads - c + r = 30

legs - 2c + 4r = 76

We can now use these two equations to create one by isolating the variable (c) in the first equation.

c = 30 - r

2c + 4r = 76

2(30 - r) + 4r = 76

60 - 2r + 4r = 76

2r = 16

r = 8

Now we know that there are 8 rabbits, which means that there has to be 22 chickens in order to have 30 heads.

3 0
3 years ago
A rectangular picture frame measures 27 cm by 48 cm. What is the perimeter or distance around the picture frame in meters
Firlakuza [10]
150, you just add the numbers 
7 0
3 years ago
Guys help me pls I need it immediately
julsineya [31]

Answer:

Hey there!

First, we want to find the side length of the large triangle.

1/2bh=y cm^2

bh=2y cm^2

Since b and h are the same here, we have b^2= 2y, b=\sqrt{2y}.

And we have FC=\frac{\sqrt{2y} }{2}.

Area of shaded triangle: \frac{1}{2} (\frac{\sqrt{2y} }{2})(\frac{\sqrt{2y} }{2}).

This is equal to: \frac{1}{2}(\frac{2y}{4}), or y/4.

Let me know if this helps :)

6 0
3 years ago
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