In a shipment of 400 parts, 14 are found to be defective. how many defective parts should be expected in a shipment of 1000?

I would say 35 defective parts.

Step-by-step explanation:

Defective parts in a shipment of 200 parts = 14/2=7

Defective parts in a shipment of 1000 parts = 7×5=35

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1. 180°. the sum of the interior angles of a triangle is 180°, for the equilateral triangle that it has three equals side is 60°+60°+60°=180°.

2. 60°. each interior angle of a equilateral triangle is 60°

3. 120°. the measure of ∠m is 120°, the sum of the angles ∠m and ∠n is equal to 180°. so, in order to find the measure of ∠m, we have ∠m+∠n=180° > ∠m=180°-∠n > ∠m=180°-60°=120°.

4. 360°. the sum of the exterior angles of an equilateral triangle is ∠m+∠r+∠x=120°+120°+120°=360°. the exterior angles of any triangle always add 360°.