Answer:
40 girls
Step-by-step explanation:
50/5=10
10*4=40
40 girls
Make the equations equal and solve for x
- 2x²+6x+1=-4x²+1
- 6x²+6x=0
- 6x(x+1)=0
- 6x=0 or x+1=0
- x=0 or x=-1
For x=0
For x=-1
The solutions are
Graph attached
Answer:
24/225
Simplified: 8/75
Step-by-step explanation:
8 + 4 + 3 = 15
Since there are no replacements the denominator will get lower every time a marble is pulled.
First is blue which means,
3/15
The second is white,
8/15
If I'm not wrong you would multiply 3/15 and 8/15 and you get 24/225.
Simplified: 8/75
Answer:
Step-by-step explanation:
All the angles in a triangle have to add up to 180 degrees.
#17.)
45+50=95
180-95=85
x=85
#18.)
This one is a little different. The furthest two angles are complimentary which means that they add up to 180 degrees (a straight line.) Once you find the missing angle to that one, you can do the same thing as you did in #17.
180-118=62.
25+62=87
180-87=93
x=93
#21.)
For this one a slightly larger equation is needed. Since we don't have a definite number for the bottom left angle, we have to use x+2 as our number. We first have to find the bottom right angle though.
180-108=72
x+x+2+72=180
2x+74=180
2x=106
x=53
Answer:
median= 73
Step-by-step explanation: