Answer:
The percentage of the number of marching band members increased by 16% this year.
Step-by-step explanation:
x 100% = 16%
56 is 16% of 350
Answer:
B. y = -4x + 15
C. 16x + 4y = 9
D. y=-4X
Step-by-step explanation:
Two lines are parallel if they have the same slope. The equation of a line is:
y = mx + b
Where m is the slope and b is a constant.
So, the slope of the first equation can be calculated solving the equation for y as:
8x + 2y = 7
2y = - 8x + 7
y = -4x + 7/2
So, the slope is -4.
It means that all the equations that could represent lines that could also be drawn for his art project are the equation with a slope equal to -4.
Then, for every option, we get:
A. y-1 = 4(X + 8)
y = 4x +32 +1
The slope is 4
B. y = -4x + 15
The slope is -4
C. 16x + 4y = 9
4y = -16x + 9
y = -4x + 9/4
The slope is -4
D. y=-4X
The slope is -4
E. 4x + 2y = 3
2y = -4x + 3
y = -2x + 3/2
The slope is -2
Finally, the equations that are parallel to the line 8x + 2y = 7 are equations B, C and D
Answer:
3 tons
Step-by-step explanation:
There is 2000lbs in 1 ton.
Answer:
a) 4*x + 50 ≤ 100
b) Domain x (0 ; 12 ) Range f(x) ( 50 ; 98 )
Step-by-step explanation:
The constraint is:
4*x + 50 ≤ 100 where "x" is the number of persons
b) Domain for x
x = 0 up to x = 12 x (0 ; 12 )
c) Range for f(x)
f(x) = 4*x + 50
f(0) = 4*0 + 50 f(0) = 50
f(12) = 4*12 + 50 f (12) = 98
f(x) ( 50 ; 98 )
Answer:
k = -1/5
Step-by-step explanation:
3k +2k +1 = 0
5k +1 = 0
5k = 0 -1
5k = -1
k = -1/5