Answer:
x = 8
Step-by-step explanation:
complementary angles sum to 90°
sum the 2 angles and equate to 90
5x + 50 = 90 ( subtract 50 from both sides )
5x = 40 ( divide both sides by 5 )
x = 8
None of the answer matches the correct ans
(3.4×10-14)(1.8×10^28)
20(1.8×10^28)
3.6×10^29
The given details follow the product rule. The different model of the car available are 756.
Given that:
The different possibility is calculated using the following product rule:
So, we have:
Hence, there are 756 different models available.
Read more about product rules at:
brainly.com/question/3944602
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Answer:
Step-by-step explanation:
The equation for the total number of cases is ...
x + y = 20
The equation for the total cost of the cases is ...
20x +30y = 450
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<em>Additional comment</em>
The solution to these equations is (x, y) = (15, 5).