Answer:
A. 61 degrees
Step-by-step explanation:
tan x = 9/5

x≈60.9
Answer:
1/2 or .5
Step-by-step explanation:
solve for x in the bottom equation
x = 4 - 8y
substitute the equation for x back into the top equation
4(4- 8y) - y = 3y + 7
solve for y
36y = 9
y = 1/4
substitute y back into the equation solving x
x = 4 - 8(1/4)
solve for x
x = 4 - 2
x = 2
xy = 1/4 * 2
xy = 1/2
Answer:
Harper is 200 yards away from her home if the map shows 3 inches
Step-by-step explanation:
50 yards = 3/4 inch
3 inches = 3/1
3/1 x 4/4 = 12/4
12/4 = 3 inches
50 x 4 = 200
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Answer:
5 inches
Step-by-step explanation:
23 - 10 - 8 = 5 inches
state the y-intercept and the slope of the following linear equations.
Answer:
think of y=mx+b
m is the slope
b is the y-intercept
1) y=3/4x-2
slope= 3/4
y-intercept= -2
2) y= -x+3
slope= -x
y-intercept= 3
3) y=3x+5
slope=3
y-intercept=5
4) y=1/2x-5
slope= 1/2
y-intercept= -5
5) y= -2x-4
slope= -2
y-intercept= -4
6) y= -1/5x-1
slope= -1/5
y-intercept= -1
7) y=3/2x+4
slope=3/2
y-intercept=4
8) y=x+1
slope=x
y-intercept=1
9) y=2x+5
slope=2
y-intercept=5
10) y=8/5x+3
slope=8/5
y-intercept=3
11) y= -3x-4
slope= -3
y-intercept= -4
12) y= -2x-2
slope= -2
y-intercept= -2