The spread of data is A 15 to 30 years
Answer:
x = 24
Step-by-step explanation:
To find the value of x, create a proportion. A proportion is two equal ratios for similar figures. The two triangles are similar because they are the same shape but not the same size. Create ratios between corresponding sides of figures.

To solve for x, cross multiply:
44.8(35) = (x+4)(56)
1568 = 56x + 224
1344 = 56x
24 = x
Words to the wise: Please express exponentials as x^2, not x2.
x2 + y2 = 81 should be <span>x^2 + y^2 = 81 = 9^2
Comparing this to x^2 + y^2 = r^2, we see that r= radius=9. y-intercepts are where x=0, so purposely set x=0 and solve for y:
0^2 + y^2 = 9^2. Then y = 9 or y = -9.
The graph intersects the y-axis at (0,9) and (0, -9).</span>
Y = 2x - 10
2x = y + 10
x = (y + 10)/2
Therefore, f^-1(x) = (x + 10)/2
Answer:
Step-by-step explanation:
Well i has the numbers (2,4), (5,4) an (6,10) just do the one it asks for and do y=one of them with an X.
Ex: Y= (2,3)x