Answer:
No, the answer is (-3/7, -33/7)
Step-by-step explanation:
y=-3x-6 can be rewritten as y+3x=-6
so, our two equations are:
1. y+3x=-6
2. 3y+2x=-15
we can multiply the first equation by 3.
1-1.3y+9x=-18
Now we can subtract the second equation from equation 1-1.
3y+9x=-18
<u>-(3y+2x=-15)</u>
7x=-3
x=-3/7
Now that we have x, let's plug it into an equation. I will plug it into the first equation.
y=-3(-3/7) - 6
y=9/7 - 6
y=-33/7
so the points are (-3/7, -33/7)
Answer:
no
Step-by-step explanation:
perpendicular means to create a right angle. since it doesn't show there are 2 right angles its not perpendicular. it is however a median from point c.
Answer:
A. 9/2 × 3/8
Step-by-step explanation:
______________
Answer:
300 bags of 20 kg of premixed are required.
Step-by-step explanation:
Given:
diameter of pond 'd'= 7 m (given)
radius of inner border of pond 'r'= d/2= 7/2 m
The radius of outer circular border 'R'= r+2= 7/2+2= 11/2m
Area of concrete border around the circular pond= area of outer circle- area of inner circle
So, 
=> 22/7 x ((11/2)²-(7/2)²)
=> 22/7 x (121/4-49/4)
=>
=> 56.57 m²
volume of concrete needed= area x height= 56.57 x 0.05= 2.8285 cubic meter
Since 1 cube meter requires 106 x 20 kg bags,
2.8285 cubic meters require bags= 2.8285x106x20 kg
20 kg bags of premixed concrete required= 2.8285x106x20/20
=> 2.8285x106
=> 299.821 or 300 approximately
Answer:
no.
Step-by-step explanation:
The ratio is 1/2. That means that if there is one boy, there are 2 girls. Altogether, there are 3 people.
<em>The answer is no. Boys would be one-third and girls are two-thirds.</em>
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