I believe that the last one is true
because the linear equations are
y=ax+b
which means that the point of y-axis is on one side and the slope, point on x-axis and y-intercept are on the other side
good luck
X-intercept: (-9,0)
y-intercept: (0,3,)
Answer:
35.2
Step-by-step explanation:
1/22=1.6/?
Cross multiply: 1.6*22=35.2
Answer:
k=95
i don't really know how to explain it! Just try matching the questions up yourself :)
multiply -.4*95 to see if the result is -38
I'm 99.99999999999% percent sure it is right
Answer:
The answer is 10%
Step-by-step explanation:
Let the length of the rectangle is x
Let the width of the rectangle is y
∵ They will increase by 10% each
∴ The new length = x × 110/100 = 1.1x
∴ The new width = y × 110/100 = 1.1y
∵ The old perimeter = 2(x + y) = (2x + 2y)
∴ The new perimeter = 2(1.1x + 1.1y) = 1.1(2x +2y)
∴ The new perimeter is greater than the old perimeter by 1.1 - 1 = 0.1
∴ The percentage of increasing in the perimeter = 0.1 × 100 = 10%
