Answer:
(15, 36, 39)
Step-by-step explanation:
Using pythagoreas formula: A^2 * B^2 = C^2
so a=15, b=36, c=39
15^2+36^2=39^2
Answer:
tons of high steel and 
tons of low steel
Step-by-step explanation:
Let x be the number of tons of high grade steel and y be the number of tons ow low grade steel needed.
In x tons of high grade steel there are
tons of iron
tons of magnese
In y tons of low grade steel there are
tons of iron
tons of magnese
NASA orders 500 tons of steel, so
and specifies that it must be in the proportion 80% iron and 20% magnese, so
From the first equation,
Substitute it into the second equation:
Answer:
18 hours
Step-by-step explanation:
because 6 x 3 = 18!
Answer:
Step-by-step explanation:
The question is not displaying correctly.
4x·3x = 12x²
Answer:
They would recieve cents as change.
Step-by-step explanation:
They bought 2 sandwiches, 1 salad, 1 piece of fruit and 2 drinks
Total = 6 items altogether
They gave cashier cash of 20.03
Which means all items are not more 20.03
If they would receive change, it would be in cents.
