Write an equation, in slope-intercept form using the given info. (5, 4) m= -2/3
1 answer:
Answer:
y = -2/3x + 22/3
Step-by-step explanation:
An equation is written in slope-intercept form when it is written as:
y = mx + b, where m is the slope of the line and b is the y-intercept.
Therefore, because we are given m and a coordinate pair of the line, we can use the point-slope formula to make the equation.
The point-slope formula is .
Because we are given only one coordinate pair, it is labeled as .
Now, just plug in this information and solve the equation.
y - 4 = -2/3(x - 5) Distribute the -2/3 throughout the terms.
y - 4 = -2/3x + 10/3 Add 4 to both sides of the equation.
y = -2/3x + 22/3
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The shape is missing, so i have attached it.
Answer:
2.6
Step-by-step explanation:
From the image attached, the diameter of the inner semi - circle is 0.5 yards while the length of each side of the pillow is 0.2 yards.
Thus, for us to find the length of the seam which is along the edges of the pillow, we will calculate the perimeter of the outer semicircle, then add the perimeter of the inner semicircle and also add the sides too.
Now, due to the fact that the length of the sides of the pillow are 0.2 yards each, the diameter of the outer circle would be;
0.5 + 0.2 + 0.2 = 0.9 yards. So, the perimeter of the outer semicircle is,
P0 = πd/2 = π × 0.9/2 =0.45π yds
The perimeter of the inner semicircle would be given as;
PI = πd/2 = π × 0.5/2 =0.25π yds.
Thus, we can calculate the total perimeter of the pillow as;
PT = P0 + PI + 0.2 + 0.2
PT = 0.45π + 0.25π + 0.2 + 0.2
PT ≈ 2.6 yards
Alex will need 2.6 yds
