1.2,3,7.5,18.75 which formula can used to describe the sequence?
1 answer:
Answer:
Step-by-step explanation:
The first step is to realize that this is a geometric sequence, where each next term in the sequence is 2.5 times larger than the previous. You can confirm this by the fact that 3=1.2*2.5, 7.5=3*2.5, and 18.75=7.5*2.5. Now, you can write the formula, where n is where the number is in the sequence, and a is the number itself. Since 1.2 is the first term in the sequence and the rate of expansion is 2.5, the formula is:
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Answer:
The expression related pounds of each kind of meat you could buy at the store with $30 is .
Step-by-step explanation:
Given:
Total Money = $30
Cost of Roast beef per pound = $4.29
Cost of Turkey per pound = $3.99
Let Number of pounds Roast beef be x
Also Let Number of pounds Turkey be y
Hence the expression related to to the pounds of each kind of meat you could buy at the store with $30 is given by.
Total Money is equal to Cost of Roast beef per pound multiplied by Number of pounds Roast beef plus Cost of Turkey per pound multiplied by Number of pounds Turkey.
The mathematical form for above statement can be written as;
Hence the expression related pounds of each kind of meat you could buy at the store with $30 is .