What is the value of the expression (25 + 8)^2 - (8^2 +25^2)?

2 answers:

6 0

Answer: 400

(25 + 8)^2 − (8^2 + 25^2)

= (33)^2 − (64 + 625)

= 1089 − 689

= 400

Remember:

•follow the BEDMAS or PEDMAS rule
•always go from left to right

Note: the steps could’ve been broken down further but since working on the right side won’t change the left side, in this case, it was just a faster way of showing the results.

ioda3 years ago

5 0

Step-by-step explanation:

Answer = 2(25)(8) = 400.

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The diameter of a circle is 13 cm. What is the radius of the circle?

nikklg [1K]

Answer:

The Radius is 6.5 cm.

Step-by-step explanation:

We know that the diameter of a circle is a line that begins on one point of a circle and ends on the opposite side. We also know that the radius is a point on the circle that starts from that point and ends at the center. Therefore, the radius would be half the diameter.

$13/2 = 6.5$