Answer:
Our fourth number is 52.
Step-by-step explanation:
Let our first even number be <em>x</em>.
Then the second even number must be (<em>x</em> + 2), the third (<em>x</em> + 4), fourth (<em>x</em> + 6), and the fifth (<em>x </em>+ 8).
They sum to 250. Hence:

Solve for <em>x</em>. Combine like terms:

Subtract 20 from both sides:

And divide both sides by five. Hence:

Thus, our sequence is 46, 48, 50, 52, and 54.
Hence, our fourth number is 52.
Answer:
73.5
Step-by-step explanation:
To find the mean, sum the data and divide by the amount of data
mean = 
=
= 73.5
Add the two known angles: 45° + 45° = 90°
Now we know the third angles. Which is a 90 degree angle. If a triangle has a 90 degree angle, then it is a right angle triangle.
Answer:
Coordinates of the image point → (-2, 9)
Step-by-step explanation:
If a point (x, y) is translated by 'h' units left and 'k' units up then the rule for the translation will be,
(x, y) → (x - h, y + k)
Rule for the translation of a point (2, 7) by shifting 4 units left and 2 units up will be,
(2, 7) → (2 - 4, 7 + 2)
→ (-2, 9)
Coordinates of the image point → (-2, 9)