If the radius of a circle is 7cm, then the diameter is 14cm. True or false?

True

Step-by-step explanation:

The diameter of a circle is a segment that crosses through the center of a circle and has its endpoints on the circle.

The radius is exactly half of the diameter.

The relationship between the two is: d = 2r, where d is diameter and r is radius.

Given that the radius is 7, we plug this into the formula: d = 2r = 2 * 7 = 14.

Thus, it's true that the diameter is 14 cm.

Hope this helps!

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5

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step-by-step explanation: