Answer:
Step-by-step explanation:
The total surface area of a cone is given by :
Put r = 2r and l = 2l in the above formula
Hence, the total surface area of the cone is .
Amy bought a necklace that had an original price of $20. She used a 30% off coupon. The tax rate was 7.5% (added after the disco
2 answers:
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The answer is D, i.e. the system was solved via elimination
If you multiply the first equation by 5, the system becomes
If you sum the two equations, you get
And so if you substitute the second equation of system A with this new equation, you'll get system B.
1 basket is between 9 and 10 minutes .
<u>Step-by-step explanation:</u>
Here we have , John kept track of how many baskets were made in a basketball game. After 4 minutes, 5 baskets were made. We need to find How many baskets were made between 9 and 10 minutes . Let's find out:
In order to calculate baskets between 9 min and 10 min we will find baskets at 10 min and at at 9 min , will subtract than !
Baskets at 10 min :
At 4 min we have 5 baskets so , in 10 min
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Baskets at 9 min :
At 4 min we have 5 baskets so , in 9 min
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So , Baskets between 10 & 9 min is , which on rounding off gives 1 . Therefore , 1 basket is between 9 and 10 minutes .
